LON - BUE

£355 Find Cheap Flights from London to Buenos Aires

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from London to Buenos Aires departing on 15/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
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KAYAK searches hundreds of travel sites at once for deals on flights to Buenos Aires

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Buenos Aires.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from London to Buenos Aires.
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Cheap Flight Deals from London to Buenos Aires (LON-BUE)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from London to Buenos Aires that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.

Recent return flight deals from London to Buenos Aires

KAYAK's recommended return flight deals from the most popular airlines that fly from London to Buenos Aires.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
 Logo
15:00 - 12:50LHR-EZE
25h 50m2 stops
 Logo
23:55 - 13:45EZE-LHR
33h 50m1 stop
Thu, 5 Jun - Wed, 18 Jun
Air Europa Logo
10:00 - 07:35LGW-EZE
25h 35m1 stop
Air Europa Logo
12:15 - 09:00EZE-LGW
16h 45m1 stop
£731Air Europa
Find Deal
Mon, 26 May - Mon, 16 Jun
Lufthansa Logo
16:30 - 06:25LHR-EZE
17h 55m1 stop
Lufthansa Logo
16:40 - 15:40EZE-LHR
19h 00m1 stop
£783Lufthansa
Find Deal
Wed, 21 May - Tue, 23 Sep
Lufthansa Logo
13:45 - 06:25LHR-EZE
20h 40m2 stops
Lufthansa Logo
16:40 - 15:40EZE-LHR
19h 00m1 stop
£801Lufthansa
Find Deal
Wed, 21 May - Tue, 23 Sep
British Airways Logo
11:30 - 07:35LHR-EZE
24h 05m1 stop
British Airways Logo
18:10 - 13:35EZE-LHR
15h 25m1 stop
£855British Airways
Find Deal
Fri, 6 Jun - Fri, 20 Jun
British Airways Logo
11:35 - 07:35LGW-EZE
24h 00m1 stop
British Airways Logo
13:00 - 10:50EZE-LGW
17h 50m1 stop
£857British Airways
Find Deal
Thu, 5 Jun - Thu, 31 Jul
Iberia Logo
11:35 - 07:35LGW-EZE
24h 00m1 stop
Iberia Logo
18:10 - 20:00EZE-LGW
21h 50m1 stop
£863Iberia
Find Deal
Tue, 27 May - Sun, 15 Jun
Iberia Logo
20:40 - 16:20LGW-EZE
23h 40m1 stop
Iberia Logo
18:10 - 20:00EZE-LGW
21h 50m1 stop
£868Iberia
Find Deal
Sun, 25 May - Sun, 15 Jun
ITA Airways Logo
16:50 - 22:50LCY-EZE
34h 00m1 stop
ITA Airways Logo
00:50 - 17:10EZE-LCY
36h 20m1 stop
£1,030ITA Airways
Find Deal
Mon, 22 Sep - Fri, 24 Oct
ITA Airways Logo
16:50 - 22:50LCY-EZE
34h 00m1 stop
ITA Airways Logo
00:50 - 17:10EZE-LCY
36h 20m2 stops
£1,043ITA Airways
Find Deal
Mon, 22 Sep - Fri, 24 Oct

KAYAK's insights & trends for London to Buenos Aires flights

Get data-powered insights and trends into flights from London to Buenos Aires to help you find the cheapest flights, the best time to fly and much more.

What is the cheapest London to Buenos Aires flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from London to Buenos Aires.
Our data shows that the cheapest route for a return flight from London to Buenos Aires cost £801 and was between London Heathrow Airport (LHR) and Buenos Aires Ministro Pistarini Airport (EZE). On average, the best prices are found if you fly this route. The average price for a return flight for this route is £801.

What’s the cheapest day of the week to fly from London to Buenos Aires?

The average price of all round-trip flights from London to Buenos Aires clicked on KAYAK for each day over the last 12 months.
When flying from London to Buenos Aires, you should consider leaving on a Wednesday and avoid Fridays if you are looking for the best rates. For your return to London, you’ll find the best rates on Thursdays and the most expensive ones on Tuesdays.

What is the cheapest month to fly from London to Buenos Aires?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London to Buenos Aires, removes the top 0.1% to account for outliers, and then takes the median of all values for each month.
The cheapest month for flights from London to Buenos Aires is May, where tickets cost £810 (return) on average. On the other hand, the most expensive months are December and August, where the average cost of round-trip tickets is £1,224 and £985 respectively.

Can I save money by flying with a stopover from London to Buenos Aires?

The average return price for all direct flights, flights with one stopover, and flights with two stopovers for the route found by users searching on KAYAK in the last 2 weeks.
Yes, flying with a stopover may cost you more time, but you can also save money on the route, with a 1 stop stopover the cheapest option at £2,732 on average.

How far in advance should I book a flight from London to Buenos Aires?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London to Buenos Aires, removes the top 0.1% to account for outliers, and then takes the average of all the values for each week.
To get a below average price on the flight from London to Buenos Aires, you should book around 2 weeks before departure. For the absolute cheapest price, our data suggests you should book 21 weeks before departure.

Good to know - Cheap tickets from London to Buenos Aires

Low season

June

High season

December
Best time to beat the crowds (8% less expensive on average)
Most popular time to fly (36% more expensive on average)

When to book flights from London to Buenos Aires

Are your dates flexible? Find out the best times to travel from London to Buenos Aires based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated return price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or returns with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from London to Buenos Aires

  • Where to report lost luggage or valuables at Ezeiza Airport?

    You should contact the Airport Security Police (PSA) if you lose an item or document in the parking areas or terminals. The PSA service is available 24h every day, but you should check with your airline if your luggage was lost during transit.

  • Is there a luggage storage and wrapping service at Ezeiza Airport?

    Luggage lockers and storage at Ezeiza Airport are currently unavailable. However, passengers can have their luggage wrapped by Secure Bags, a luggage packing and wrapping service located in the public areas of the arrival terminals.

  • Are there resting hotels and resting zones inside Ezeiza Airport?

    There are no hotels inside Ezeiza Airport, but travellers can get accommodation at nearby facilities, including Posada Quinta Pata and Eze Inn Boutique Hotel. Ezeiza Airport has no resting zones, but travellers with VIP memberships can access several VIP lounges inside the airport. In some VIP lounges, travellers can pay at the door.

  • Where do Cabify and Uber pick passengers at Ezeiza Airport?

    Cabify and Uber users must coordinate with the driver for pick-up at the parking area. However, passengers'drop-off and pick-up areas at Ezeiza Airport are exclusive to official cabs. It costs at most 1847.13 ARS (14.52 GBP) to travel from Ezeiza Airport to downtown Buenos Aires.

  • Can you request a tax (VAT) refund at Ezeiza Airport?

    Ezeiza Airport allows foreign passengers to request VAT refunds for purchases of locally produced products. The agency responsible for this procedure is known as Ezeiza Global Blue Airport. Its offices are available on Terminal C, the public boarding area, and Terminal A.

  • Does London Heathrow have quiet areas?

    Some of the terminals at London Heathrow have quiet rooms. The airport also has quiet areas that are far away from the busy terminal areas. Quiet areas at London Heathrow aren't exclusive to travellers with special needs and can be accessed by those looking for a calm and quiet environment.

  • Where can I stay at London’s airports?

    As the flight to Buenos Aires is long, it’s a good idea to get an airport hotel the night before your flight. There is Aerotel at London Heathrow (LHR) and Courtyard by Marriott at both Luton Airport (LTN) and Gatwick Airport (LGW). At Stansted Airport (STN) and London City Airport (LCY), there is Holiday Inn Express. To ensure you aren’t late for check-in, you can use the wake-up service on offer at the hotels.

  • What cities are located near London’s airports?

    London’s airports serve many UK cities. For instance, from Norwich, you can drive to Stansted Airport in about 1h 30min. From Brighton, it’s around 40min to Gatwick Airport, whereas, from Swindon, it’s approximately 1 hour to Heathrow Airport.

  • How can I lower my carbon emissions by taking a specific flight from London to Buenos Aires?

    Find a flight that emits fewer emissions, using the KAYAK search filter. For example, KLM flights from Heathrow Airport to Ezeiza International Airport release around 47% less CO2 than the industry standard for this route.

  • Which airlines provide Wi-Fi on flights from London to Buenos Aires?

    As it’s a long-haul flight from London to Buenos Aires, you might want to opt for a flight that has Wi-Fi. For instance, Air France provides passengers with internet access on board. You can search for airlines with this offering via the KAYAK search filter.

  • What is the cheapest flight from London to Buenos Aires?

    In the last 3 days, the lowest price for a flight from London to Buenos Aires was £475 for a one-way ticket and £949 for a return.

  • Which airports will I be using when flying from London to Buenos Aires?

    On your way to Buenos Aires, you’ll fly out from one of these London airports: London City, London Heathrow, or London Stansted. You’ll be landing in one of Buenos Aires’s 2 airports: Buenos Aires Jorge Newbery or Buenos Aires Ministro Pistarini.

  • Which aircraft models fly most regularly from London to Buenos Aires?

    The Boeing 777 is the aircraft model that flies most regularly on the London to Buenos Aires flight route.

  • Which airline alliances offer flights from London to Buenos Aires?

    SkyTeam, Star Alliance, and oneworld are the airline alliances operating flights between London and Buenos Aires, with Star Alliance being the most commonly used for this route.

  • What is the most popular stopover when flying to Buenos Aires from London?

    Madrid is the most popular stopover city among KAYAK users travelling from London to Buenos Aires.

  • Which is the best airline for flights from London to Buenos Aires, Finnair or LATAM Airlines?

    The two airlines most popular with KAYAK users for flights from London to Buenos Aires are Finnair and LATAM Airlines. With an average price for the route of £870 and an overall rating of 7.6, Finnair is the most popular choice. LATAM Airlines is also a great choice for the route, with an average price of £939 and an overall rating of 7.5.

  • How does KAYAK find such low prices on flights from London to Buenos Aires?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London to Buenos Aires.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London to Buenos Aires?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Buenos Aires from London is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London to Buenos Aires?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Buenos Aires with an airline and back to London with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London to Buenos Aires?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Buenos Aires from London up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

KAYAK’s top tips for finding a cheap flight from London to Buenos Aires

  • Looking for a cheap flight from London to Buenos Aires? 25% of our users found flights on this route for £754 or less one-way and £909 or less round-trip.
  • Ministro Pistarini International Airport (EZE) is the main airport in Buenos Aires, Argentina's capital city. The airport is located about 20 miles away from downtown Buenos Aires. Most long-haul flights, including flights from London airports, arrive and depart from here.
  • It takes approximately 50min to travel from EZE Airport to the city centre by car. Taxis and car rentals are some of the convenient and reliable transfer options from Ezeiza Airport. Car rental services are available at both Arrivals on Terminal A and Terminal B.
  • Most flights to Buenos Aires from London depart from London Heathrow, London city's high-functioning and central airport. There is also a one-stop flight from London Stansted to Ezeiza Airport via Iberia and Ryanair. Iberia and Air Europa also operate at least one-stop flights to Ezeiza Airport via Madrid. Travellers, including those from London, UK, can purchase a SIM card upon touching down at Ezeiza Airport. Upon migration clearance and collecting your luggage, head to the public hall and buy a SIM card at any of the airport's mobile service provider's stores.
  • Banco de LA Nacion Argentina operates a 24-hour Currency Exchange Office at Terminal A of Ezeiza Airport. Banco Nacion also has a bank at the Corporate Aeropuertos building.
  • Depending on where your final destination is, you might find it more convenient to fly to a specific Buenos Aires airport. For instance, you can drive to Zarate from Jorge Newbery Airport (AEP) in about 1h 20min, whereas you can get to Las Flores from Ezeiza International Airport (EZE) in around 2h 15min.
  • British citizens do not need a visa to enter Argentina, as you will be granted permission to stay in the country for up to 90 days. Should you need to stay longer, you should speak to the Argentina Immigration Office before the 90 days are up. Your passport also needs to be valid for the duration of your stay.
See more tips

Top 5 airlines serving from London to Buenos Aires

 
See real verified KAYAK customer reviews for airlines flying from London to Buenos Aires. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from London to Buenos Aires? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
7.0
IberiaOverall score based on 2682 reviews
6.6Entertainment
7.6Crew
6.3Food
7.1Boarding
6.7Comfort
Airline reviews

Flight from Madrid to Dakar had no onboard entertainment for a business class. Not even a single screen . That was disappointing. The WiFi only worked for the first 45 mins of the flight.

6.0 GoodAnonymous, Mar 2025LAX - MAD
Read more Iberia reviews

Flight from Madrid to Dakar had no onboard entertainment for a business class. Not even a single screen . That was disappointing. The WiFi only worked for the first 45 mins of the flight.

I paid to upgrade to Business Class. The queue to check in at the Business Class aisle was full of people without Business Class tickets, the fast-track immigration line was “closed” but the representative opened it up for his friends, regardless (there was a lot of fist-bumping), and the lounge was an absolute mess…..4 staff sitting playing with their phones while every table had dirty plates and glasses waiting to be cleared…..and the least said about the rude lady on the reception desk at the lounge , the better!

Bad business class. Staff totally not helping. Lights and chargers not working

Overall a great. However, the seating is way too narrow, for guys with any shoulder width. Luckily the crew moved the guy next to me, or it would have been miserable.

Almost great...Need more signs around the airport, especially in Italy Marco Polo.

The plane was not well maintained. The entertainment system didn’t work properly, eg moving map. Many of the seat controls did not work. Cabin temperature fluctuated considerably during the flight. The seat allocated was poor, it was noisy and offered no privacy. The perfume in the toilet triggered severe allergies. Crew was very goid.

Worst flight in years.. is not easy to flight 11 hours without entertainment onboard and the crew was not empathetic about it or even gave an apology for the inconvenience. Poor treatment to the passengers, and some responses where roughly given.

I fly to BNA with BA often and this was the worst experience. Arriving in nashville, check in was 1.5 hrs long in the queue with 1 very slow girl at the desk. When more staff came they only catered to priority customers. When all priority were checked in, instead of filtering from the top of the line they took the people from the end, the people who had been queuing for 5 mins vs almost 2 hours. The flight was delayed, for no good reason other than the staff took forever to do anything. At the gate there was zero organisation, we asked the crew what the delay was and they confirmed it wasn't the plane and it was the ground team. One of the flight attendants was one of the rudest I have EVER encountered, that man clearly hated his job, and people...I wish I'd got his name. Food was disgusting, seating was cramped. I've no idea what's changed in the last year but I'm truly shocked.

I had assist travel booked in Denver to Manchester, but not listed in HeathRow, my daughter use a spare wheel chair herself for me , when going thro to board at Heathrow there was no help travel down for the ramp until a member of assistance stepped forward and insisted he would take me down the very steep ramp, seems he was the only person concerned with my safety.

They lost my luggage, and bring it to me after 3 days. Not happy because I spent one hour to claim my luggage. After a long trip , to spend more time with claim luggage is not fair

They should at least offer water like other airlines, which seems like a humanitarian gesture to me

They gave me an upgrade but charged me for my bag. I felt abused because this had never happened to me before with an upgrade with another airline.

Well. It is a no frills airline. Annoying is that even for the long-haul everything has to be paid for separately. Once you add up the extras the flight is getting to expensive. Then one might as well fly with a legacy carrier which provides far better comfort. Changing flight at MAD airport is a nightmare. The worst airport in the world. Poor signposting, poor passport control, poor security check and long queues. I had 2h transfer time and spend in queues almost 1.5h

All flights with Air Europa you arrive late to the connections of other flights, I missed my train, I had to pay for my train again, the crew are antisocial, you are paying for a service, it is not free, thanks to the travelers they are there, it is the last time I fly with them,

Terrible experience - we won’t be flying with Air Europa again

The crew was not kind , just doing their job but very cold people

The insanely long lines at customs were chaotic and stressful. They also created a lot of stress among passengers. Including fights and threats. The hot food I purchased was cold, barely edible. The check in staff and crew were nice and the pilot good but the overall experience was very disappointing. Passengers were still insulting each other upon arrival.

No frills airlines. Tickets were reasonably priced for a short-term booking. But comfort is a big issue.

It was just okay. They overcharged me for a checked bag because I didn’t know it wasn’t included in the airfare.

Very small dinner, NO breakfast. You have to buy an earphone.

The seats are horribly uncomfortable. We were in premium economy and paid a premium price yet, the seats were the worst! You could feel every structural bar in the seat, there was no padding, no amenities kit, and the leg rests were broken. Duct tape was holding another seat together. When we arrived at our final destination, Venice, my suitcase was ripped open, and my clothes were about to fall out of the bag. I would’ve been more comfortable if I flew a paper airplane across the Atlantic.

I don't like anything in this flight the food was bad the service was bad the flight was old and not connected to the screen no intertainments at all and it was long trip was bad intertainments the crew not helping

The company tries shamelessly to squeeze every dollar)Euro out of its passengers. During the check-in the force you to go through the seat selection, you can skip it. They will assign you the worst seat available, then show you the other available seats on the map, for a fee. But they won't show you the fee until you click on it. And once you do click, there's no way to unselect it!! You will get stuck and forced to pay for that seat. Cheaters!!

The flight was great. I don’t know about the food because I was asleep and they didn’t leave me any.

Seats weren’t comfortable. Both of our seat backs were either almost straight vertical or laying back into the laps of the people behind us, which is a weird angle to try to get some sleep even on a plane. No in between. Also, neither seat would spring forward like they should.

The flight was great, smooth and even a little ahead of time.

There wasn't a time for neither food morning entertainment in a short one hour hop over.

Flight on time, flight assistants super nice, business class very comfortable. The whole experience was very good.

The gate information was never populated on the Delta app or the airport displays or the desk at the Delta lounge. We found at the last minute that we had to switch terminals and just made it to our flight. Even this we found accidentally by asking an employee at another gate. On board service was poor. Seats were very poor. All in all a poor experience. At best like a Premium Economy on other airlines

Not online or self check in, sent emails in Italian language ,not recommended.

The flight was delayed by an hour. Made the connection uncomfortably tight.

When we went to the lounge they told us to go into the main lounge and not the full business class section, later they told me that Lufthansa wont pay the full fee to alloq the business class passengers entry to the nicer sectikn where all the other airlines nusiness class passengers go into. Very poor arrangement.

Not what I expected for the last leg of a $5100 business class experience. Boarding was a nightmare. The flight was delayed and I had to keep checking my email to ensure I was at the right gate since the airline or the terminal had no clue until 15 mins prior to boarding. Food was gross, limited drink options.

Flights scheduled with impossible connections - Lufthansa apparently believes it takes 7mins to change terminals, go through passport control, re-clear security and walk 1.8kms…..and everything will work perfectly (which it never does at Frankfurt). No staff on hand to assist with transfers on delayed flights. No transfer guidance provided by app. No compensation offered for 6hr delay to connecting flight.

No Wi-Fi or food unless you pay an expensive fee.

Crew were friendly and very helpful Plane was clean and the legroom is standard. Overall a good flight, no complaints.

Amazing! The food was great! Best airline meal ever. The crew was so nice and pleasant.

The hot towels before the second meal was an unexpected surprise. The crew was attentive and personable, and that’s a lot on a nine hour flight. And the hot pretzels were a kind of “auf wiedersehn “ to Germany.

My mother is 87 years old and has knee problems. I have reserved a wheelchair indicating that she is immobile. For her it is very difficult to walk short distances. On arrival in Frankfurt, I was called via my mother's phone, by the female employee who had my mother in a wheelchair. She asked me how many and what color suitcases she has, which I explained. I was very surprised when 15 minutes later my mother walked out with her cane and balancing with great difficulties assisted by a young couple who were pushing her suitcase. Where was the wheelchair and the airport employee? I find this to be a disrespectful and abusive behavior of elderly people. It also raises the question of professional misconduct of the airport personnel in Frankfurt i.e. the female employee who abandoned an 87 year old immobile person by the luggage lane. I would like to inquire about the details i.e. name of that employee.

The connection to LYON was very tight. The flight was nearly finished boarding when we got to the gate

LCY airport is an amazing airport and I love the flight from LCY to FRA with BA. Efficient, easy, comfortable and great luggage allownace with BA. I iused to fly predominantley LH, but the service and price - benefit ratio of Lufthansa has deteriorated a lot over the last 5 years. Whereas BA keeps an excellent service level with friendly staff.

Flight Attendant Karen Lynn was an absolute delight. She assisted in every portion of the services provided throughout the flight, aided with any and all concerns expressed by passengers, and even helped comfort an upset child who was one of five of a traveling family. This quality of service is what keeps me coming back to American. Thank you!

The airplane was old. Some things didn’t work out of middle seat was broken. The rest was OK.

The worst, flight cancelled because the aircraft was not full. Heathrow ground crew totally not helpful and arrogant. Lady proposed us flight with 40min layover instead of direct and said it is our problem of course she was unable to do anything as everything was beyond her control she claimed. after calling on hotline another flight was booked. Flight was cancelled last second so we could not take direct from Zurich but we had to stay overnight in London.

Very quick boarding. I was surprised we only got a small water and small thing of cookies, everything else was for purchase. No entertainment. Crew was excellent though.

Flight delayed in terms of boarding and Kayak was great in updating but the team on the groping at British Airways were really poor

A basic tea/ coffee and a snack could be provided especially for long distance flyers.

The information in the airport, and the app was different. Be aware. Different terminals in Stuttgart, so we had to walk a lot. It's a small airport so it wasn't a big deal, but it was ludicrous to see the error in the app.

Flight was delayed and there was boarding pass and flight information errors resulting in confusion and stress

Food was terrible , crew were excellent , IFE was dire . Overall comfortable seat and cabin. Nothing special .

Everything you need to know for your flight from London to Buenos Aires

Other airlines flying from London to Buenos Aires

Flights from the other most popular airlines that fly from London to Buenos Aires according to KAYAK users. Prices are the lowest found on KAYAK over the last 7 days. Price and availability are not guaranteed.

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