ICN - LON

£155 Find Cheap Flights from Incheon to London

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Incheon to London departing on 20/5. 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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These are the airlines KAYAK users have selected most often from within our search results in flight searches from Incheon to London.
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Incheon to London.
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Cheap Flight Deals from Incheon to London (ICN-LON)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for return flights from Incheon to London 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 Incheon to London

KAYAK's recommended return flight deals from the most popular airlines that fly from Incheon to London.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
China Eastern Logo
14:30 - 15:00ICN-LGW
32h 30m1 stop
China Eastern Logo
18:00 - 14:50LGW-ICN
36h 50m1 stop
£337China Eastern
Find Deal
Wed, 14 May - Tue, 20 May
China Eastern Logo
16:35 - 15:00ICN-LGW
30h 25m1 stop
China Eastern Logo
18:05 - 13:30LGW-ICN
35h 25m1 stop
£337China Eastern
Find Deal
Mon, 9 Jun - Mon, 16 Jun
SWISS Logo
10:05 - 08:15ICN-LHR
30h 10m2 stops
SWISS Logo
19:15 - 08:25LHR-ICN
29h 10m2 stops
£347SWISS
Find Deal
Mon, 16 Jun - Thu, 26 Jun
Air China Logo
14:55 - 20:15ICN-LHR
37h 20m1 stop
Air China Logo
22:00 - 12:55LHR-ICN
30h 55m1 stop
£357Air China
Find Deal
Mon, 12 May - Tue, 27 May
Air China Logo
14:55 - 20:15ICN-LHR
37h 20m1 stop
Air China Logo
22:00 - 12:55LHR-ICN
30h 55m1 stop
£358Air China
Find Deal
Wed, 14 May - Tue, 20 May
China Southern Logo
16:45 - 19:00ICN-LHR
34h 15m1 stop
China Southern Logo
22:10 - 15:25LHR-ICN
33h 15m1 stop
£360China Southern
Find Deal
Tue, 20 May - Tue, 27 May
China Southern Logo
15:15 - 19:00ICN-LHR
35h 45m1 stop
China Southern Logo
22:10 - 15:25LHR-ICN
33h 15m1 stop
£362China Southern
Find Deal
Tue, 20 May - Tue, 27 May
SWISS Logo
10:05 - 18:45ICN-LCY
16h 40m1 stop
SWISS Logo
09:25 - 08:25LCY-ICN
15h 00m1 stop
£495SWISS
Find Deal
Wed, 21 May - Tue, 27 May
Lufthansa Logo
11:40 - 08:10ICN-LCY
28h 30m2 stops
Lufthansa Logo
09:40 - 09:55LCY-ICN
16h 15m1 stop
£578Lufthansa
Find Deal
Wed, 21 May - Mon, 26 May
Lufthansa Logo
12:25 - 08:20ICN-LCY
27h 55m1 stop
Lufthansa Logo
08:45 - 09:55LCY-ICN
17h 10m1 stop
£594Lufthansa
Find Deal
Thu, 19 Jun - Tue, 24 Jun

Expert advice for your flight from Incheon to London

 
Snippets provided in this section are AI-generated based on a summarisation of KAYAK-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are specific to the author and reflect their authentic experience, which may vary significantly from the experience of others.
KAYAK teamed up with top travel experts to share the best tips for your journey.
Airlines
Asiana Airlines

Asiana's A350 offers Economy Smartium with 4 inches extra legroom and priority boarding.


Asiana's Business Suite on A380 offers a first-class experience at a business-class price.

Korean Air

Korean Air's Prestige Class offers direct aisle access and high privacy partitions on select aircraft.


Enjoy a multi-course dinner and on-demand snacks in Korean Air's Prestige Class on long-haul flights.

Read more about Korean Airby Robert Schrader
Airports
ICN

Security lines at ICN can be long, so arrive early. Allow at least an hour from check-in to passport control.

Read more about ICNby Robert Schrader
LHR

Take the Heathrow Express for a quick 15-minute ride to London Paddington. Book tickets in advance for the best rates.

Read more about LHRby Kirstie Pickering
Our travel experts
John Walton

John Walton

Expert on Asiana Airlines

John Walton

John Walton

Independent aviation journalist John Walton took his first flight at eight weeks old and hasn’t stopped travelling since. A world-renowned expert in airlines and the passenger experience, he writes in depth on aviation, is a resident expert on travel in Japan and France, and offers a uniquely queer perspective on travelling the world.

Read more
Robert Schrader

Robert Schrader

Expert on Korean Air and ICN

Robert Schrader

Robert Schrader

One of the web's original travel bloggers, Robert launched his first site, Leave Your Daily Hell, in 2009. Since then, he's expanded into destination niche sites (one each for Japan, Thailand and Taiwan), in addition to having written for the inflight magazines of Singapore Airlines and Korean Air. Overall, he's visited nearly 100 countries, and flies business as often as possible.

Read more
Kirstie Pickering

Kirstie Pickering

Expert on LHR

Kirstie Pickering

Kirstie Pickering

Aviation and business journalist Kirstie didn’t leave England until she was 18 years old, but has since travelled to over 20 countries including Japan, Canada, and Iceland. Her travel expertise lies in European city breaks, including how to find the best locally-owned hotels and restaurants and how to optimise the airport experience for your needs.

Read more

KAYAK's insights & trends for Incheon to London flights

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

What is the cheapest Incheon Intl Airport to London flight route?

The cheapest price for flight routes found by users searching on KAYAK in the last 2 weeks for round-trip flights from Incheon Intl Airport to London.
Our data shows that the cheapest route for a return flight from Incheon Intl Airport to London cost £701 and was between Incheon Intl Airport (ICN) and London Heathrow Airport (LHR). On average, the best prices are found if you fly this route. The average price for a return flight for this route is £701.

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

The average price of all round-trip flights from Incheon Intl Airport to London clicked on KAYAK for each day over the last 12 months.
If you are looking for a flight deal from Incheon to London, look for departures on Wednesdays and avoid leaving on a Tuesday, as it's usually the priciest day. When flying back from London, Wednesday is the cheapest day to fly and Saturday is the most expensive.

What is the cheapest month to fly from Incheon Intl Airport to London?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from Incheon Intl Airport to London, 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 Incheon Intl Airport to London is November, where tickets cost £459 (return) on average. On the other hand, the most expensive months are September and July, where the average cost of round-trip tickets is £758 and £724 respectively.

How far in advance should I book a flight from Incheon Intl Airport to London?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from Incheon Intl Airport to London, 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 Incheon Intl Airport to London, you should book around 3 weeks before departure. For the absolute cheapest price, our data suggests you should book 8 weeks before departure.

Good to know - Cheap tickets from Incheon to London

Low season

March

High season

January

Cheapest flight

£155
Best time to beat the crowds (10% less expensive on average)
Most popular time to fly and prices are also 1% lower on average.
Flight from Seoul Incheon Airport to London Heathrow Airport

When to book flights from Incheon to London

Are your dates flexible? Find out the best times to travel from Incheon to London 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 Incheon to London flights

  • What is the cheapest flight from Incheon Intl Airport to London?

    In the last 3 days, the lowest price for a flight from Incheon Intl Airport to London was £207 for a one-way ticket and £450 for a return.

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

    On your way to London, you’ll fly out from Incheon Intl. You’ll be landing in one of London’s 4 airports: London City, London Gatwick, London Heathrow, or London Stansted.

  • Which airlines offer Wi-Fi service onboard planes from Incheon to London?

    Only Asiana Airlines offers inflight Wi-Fi service on the Incheon to London flight route.

  • Which aircraft models fly most regularly from Incheon to London?

    The Boeing 777-300ER is the aircraft model that flies most regularly on the Incheon to London flight route.

  • Which airline alliances offer flights from Incheon to London?

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

  • On which days can I fly direct from Incheon to London?

    There are direct flights from Incheon to London on a daily basis.

  • Which is the best airline for flights from Incheon to London, China Southern or China Eastern?

    The two airlines most popular with KAYAK users for flights from Incheon to London are China Southern and China Eastern. With an average price for the route of £425 and an overall rating of 7.5, China Southern is the most popular choice. China Eastern is also a great choice for the route, with an average price of £522 and an overall rating of 7.2.

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

    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 Incheon to London.

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

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

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

    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 London with an airline and back to Incheon with another airline.

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

    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 London from Incheon 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 Incheon Intl Airport to London

  • Looking for a cheap flight from London to Incheon? 25% of our users found flights on this route for £511 or less one-way and £721 or less round-trip.

Prefer to fly direct from Incheon to London?

Find which airlines fly direct from Incheon Intl Airport to London, which days they fly and book direct flights.

Direct departures

Incheon Intl to London

Monday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

Tuesday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

Wednesday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

Thursday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

Friday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

Saturday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

Sunday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

See more direct flights

Direct returns

London to Incheon Intl

Monday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

Tuesday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

Wednesday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

Thursday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

Friday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

Saturday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

Sunday

Asiana Airlines, Korean Air

Asiana Airlines, Korean Air

See more direct flights
See more direct flights

Top 5 airlines serving from Incheon to London

 
See real verified KAYAK customer reviews for airlines flying from Incheon to London. 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 Incheon to London? 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.
8.4
Korean AirOverall score based on 1062 reviews
8.2Entertainment
8.1Food
8.7Crew
8.3Comfort
8.5Boarding
Airline reviews

They did an excellent job helping me with a wheelchair. I couldn’t have asked for any better help.

8.0 ExcellentAnonymous, Apr 2025ICN - BKK
Read more Korean Air reviews

They did an excellent job helping me with a wheelchair. I couldn’t have asked for any better help.

The boarding process for Korean airlines is very straightforward and easy. You've never met such helpful and friendly people. The food was great and the entertainment options were excellent too. My teenage boys found programs they wanted to watch while I had fun watching a full season of the Last Man - the Blind Investigator (Japanese), which my wife enjoyed too. My only complaint was that it takes a very long time to taxi at ICN (20 minutes) and the pilot had to hold at the gate for 10 minutes after our scheduled departure time, which meant we got to Seattle 27 minutes late. Luckily I had a long enough connection to make my next flight, but just barely.

The food on this flight from NRT to ICN was average. The staff were very friendly, but the flight took about 60 minutes longer than it should have because the pilot was only flying at 330mph instead of 500-550. Not sure what the reason is for that, but it meant for a much longer flight.

Best service I’ve ever had Flight attendants are nicely dressed and look very professional

My second flight wasn't better than the first one. And this is 14 hours trip, crew came out only to offer food and the choices was poor. This food choices are good for Asian people but not for westerners. The breakfast kind thing was a corn sausage really disgusting. The air-conditioned blower really blow high and cold, turn out on my arrival to feel seek, that makes the trip uncomfortable. The crew didn't not really come out during the trip to offer drinks or snacks. No fruits available. Very poor service

I loved everything, I was just a little confused on my bag allowance. When I checked in it said I was allowed 2 check in bags, but when I got there they said I was only allowed 1 so I had to pay an additional 200 dollars! Other then that everything was great! I would love to use your Airlines again when I fly out to Manila again in late May, however I want to be able to have 2 bags included this time lol 😆

everything was fine, would have liked better food but it was warm, great choices for movies

the water for tea could have been hot, entertainment was awful, lots of old movies and TV shows

The carry on baggage was collected before boarding without further information where the passengers can collect them . When the flight arrived at Tan son Nhat airport, it was very complicate to find the luggage

They changed aircrafts and they moved my seats that were already prepaid. I did not get the seats I paid for, so I got expensive seats that I didn't want

It was all perfect and very pleasant for such long flights

The seats felt very small. We were supplied with pillows and blankets, which was nice. Lots of noise from the bathroom, plus exterior noise. Made it hard to hear the entertainment system, even using my own noise-cancelling headphones. The food was really bad. I generally request a vegetarian meal and one was supplied, but the pasta was cold and hard and there was nothing pleasant about it. Two meals were served on this flight; one was a repeat of the meal I had had on the flight immediately preceding this one, which was bad enough I didn't even try it. Drinks were very limited. All I wanted was water, and on a 10.5 hour flight, I was given 3 cups of about 3 ounces each.

The seats felt very small. We were supplied with pillows and blankets, which was nice. Lots of noise from the bathroom, plus exterior noise. Made it hard to hear the entertainment system, even using my own noise-cancelling headphones. The food was really bad. I generally request a vegetarian meal and one was supplied, but the pasta was cold and hard and there was nothing pleasant about it. Drinks were very limited. All I wanted was water, and on a 4 hour flight, I was given 2 cups of about 3 ounces each.

We took business class, It was comfortable and I was able to sleep.

Everything was perfect. A flight attendant even brought me snacks after I declined food due to my desire to force myself to follow the destination time zone.

For the most part, it was an enjoyable experience. It's the 2nd half of the journey was a bit uncomfortable. It was on a noticable smaller plane compared to the previous one.

Only process that my luggage didn’t make it to my destination because of short connection but I understand

The boarding process was good. The toilet could be better maintained.

Great service. They could offer vegetarian food and do more to reduce waste.

I like the food, the crew and everything.!!! Except for the delay in our flight.

China Southern was not the problem. I booked my flight through Kayak and also received a booking reference and alert details regarding departure time and gate numbers… however Kayak NEVER actually booked my flight! We were stranded at the airport without a flight for a long awaited holiday!

The connection between LA and Atlanta was too much stress

Terrible boarding experience,,food is very poor that I I . Never going book this airline again.

The crew were kind, patient and responsive. The service was excellent, even though we travelled the cheapest economy class. We arrived at our destination 40 min early, which for a 15+ hour flight is a great bonus. The boarding seemed a bit "loose", but got us boarded on time, and the plane was off exactly @ 0:30 hrs.

The airport didn‘t give me the ticket. I called customer service to ask for a refund but they kept giving me a perfunctory response and refused to refund me.

The flight was delayed hours and most flights from CS are always delayed. Plane was efficient and got us home but not the best food and no entertainment system at all.

Not good - chair back could not move back for premium economy. Not worth the price

The back of the chair - premium economy could not move back - not worth the price

It was okay. Boarding the staff made you feel rushed like we were late or something

It was great. The staff were so nice and helpful the food was great and they always made sure I was okay. As a foreigner I was worried about the language barrier but it was absolutely no issues. I highly recommend

China eastern was fantastic. I had read so many bad reviews that had made me nervous. However, I found that the flight attendant’s, and customer service check in etc. etc. was excellent. I had no problems. I would fly with them again!

Excellent! I had read some negative reviews but I found out that it was not all was not true! The staff was courteous and helpful. The flight take off and landing was nice & easy. The food was good! I asked for a second and I got it easily and without an attitude! All was wonderful!

Excellent experience however older aeroplanes used by China Eastern Airlines.

The crew were excellent, service amazing, blankets and pillow good, cabin temperature perfect, the flight on time, food was unusual selection however plentiful, price for tickets unbeatable through Kayak. Older aeroplanes used by China Eastern was the only down side.

Delay in off-boarding due to customs at SFO... pilot announcement should have come earlier so passengers don't clog aisles.

Better good than most, if not all European airlines. If you’re stuck in an economy seat anyways, China Eastern is a good choice because of shorter flight time, being able to overfly Russia

The temperature of the plane cabin is too hot. Sweat and uncomfortable. Also my food tray was broken down drinks fall off

Reasonable. What they offer during the flight is not great, but the crew is polite and try to compensate it.

Price is the main attraction. Staff is OK but difficult to communicate with them due to general lack of English. Food is truly abysmal, the main courses (4) were barely edible. The choices for breakfast served at 5:30 am prior to landing at Gatwick airport were Spaghetti Bolognese or seafood fried rice. Choices offered for all 4 mains were either something rice or noodles. Shanghai airport layover is much too long in a very poorly serviced airport. We were unable to use WiFi; private lounges required cash only payment with no ATM or cash exchange open.

I was surprised and appreciate that they actually served a hot meal on such a short, early morning flight. The check in and boarding was hassle free and most of all my Alliance Status / Code Share was recognized and the revelant courtesy was extended; other than some needed attention to detail concerning the cleanliness of the cabin, and some unnecessary aggressive wording their safety briefing, it was an overall pleasant flight, and I would certainly fly with them again.

Communication between the captain/crew and the passengers needs to be improved.

Food and service are good. Bathroom was lack of lotions and cleaning. That should be improved.

Food & service very good next I will pick up again

Chinese flight attendants didn't speak english well. They didn't care enough to remember that I (east asian who isn't Chinese) wasn't Chinese and spoke English. Announcement in english on board was poor and I find it very difficult to understand what was announced. Also, a cabin bag allows only 5kg!

Chinese flight attendants didn't speak english well. They didn't care enough to remember that I (east asian who isn't Chinese) wasn't Chinese and spoke English. Announcement in english on board was poor and I find it very difficult to understand what was announced.

Everything was not satisfactory - the flight was delayed, staffs were ok but they didn't speak English well. I am from east Asia (not Chinese) and they didn't care enough to remember that I wasn't Chinese but persistently spoke chinese to me. The flight announcement in english wasn't clear to understand.

I wish I had been able to choose a vegetarian meal. Crew friendly and helpful. Seat was ok. All quite efficient and pleasant. Would recommend for inner China travel for sure.

The flight is not bad, but the Business Lounge is not big enough for the quantity of people they accept and there is a limited options for food and beverages.

It was simply bad and on top of that my luggage hasn't been delivered until now. They can't even localize it which is just unacceptable when they are supposed to scan the bar code they put when we check in

We bought premium Economy, thinking it would be more comfortable, but the seat is so narrow ,that my legs and feet are swollen , I can't wear shoes !

Everything you need to know for your flight from Incheon to London

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