£57 Find Cheap Flights from London Heathrow Airport to Portugal

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Portugal departing on 7/6. 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.
1 adult

KAYAK searches hundreds of travel sites at once for deals on flights to Portugal

Travellers love KAYAK
41,299,237 searches in the past 7 days on KAYAK

Save 26% or moreCompare multiple travel sites with one search.

Track pricesNot ready to book? Create a price alert for when prices drop.

Bundle and saveSave money when you bundle your flight + hotel.

Filter your dealsChoose cabin class, free Wi-Fi and more.

Best Portugal Flight Deals from Heathrow

Cheapest return prices found by our users on KAYAK in the last 72 hours

Lisbon
Lisbondirect£107
Faro
Faro1 stop£102
Porto
Porto1 stop£104
Funchal
Funchal1 stop£151
Ponta Delgada
Ponta Delgada1 stop£175
Porto Santo
Porto Santo1 stop£202
Lajes
Lajes1 stop£225
Horta
Horta1 stop£314
Pico Island
Pico Island1 stop£400
Vila do Porto
Vila do Porto2 stops£308

Cheap Flight Deals from Heathrow to Portugal (LHR-PT0)

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

Recommended return flight deals departing in the coming months from the most popular airlines that fly from Heathrow to Portugal.
Discover the best prices for you by selecting your travel dates on KAYAK.
Choose your dates
TAP AIR PORTUGAL Logo
06:00 - 23:50LHR-FAO
17h 50m1 stop
TAP AIR PORTUGAL Logo
06:05 - 22:00FAO-LHR
15h 55m1 stop
£102TAP AIR PORTUGAL
Find Deal
Sun, 5 Oct - Sun, 19 Oct
Vueling Logo
20:50 - 08:00LHR-OPO
11h 10m1 stop
Vueling Logo
22:00 - 09:10OPO-LHR
11h 10m1 stop
£104Vueling
Find Deal
Tue, 13 May - Wed, 14 May
British Airways Logo
07:15 - 10:10LHR-FAO
2h 55mdirect
British Airways Logo
15:50 - 18:40FAO-LHR
2h 50mdirect
£119British Airways
Find Deal
Sun, 11 May - Sat, 17 May
British Airways Logo
07:15 - 10:10LHR-FAO
2h 55mdirect
British Airways Logo
19:50 - 22:35FAO-LHR
2h 45mdirect
£123British Airways
Find Deal
Sun, 11 May - Fri, 16 May
SWISS Logo
17:10 - 23:20LHR-LIS
6h 10m1 stop
SWISS Logo
05:55 - 17:50LIS-LHR
11h 55m1 stop
£161SWISS
Find Deal
Tue, 6 May - Tue, 13 May
SWISS Logo
12:10 - 23:20LHR-LIS
11h 10m1 stop
SWISS Logo
05:55 - 07:55LIS-LHR
26h 00m1 stop
£163SWISS
Find Deal
Sat, 10 May - Thu, 19 Jun
Brussels Airlines Logo
07:45 - 18:00LHR-FAO
10h 15m1 stop
Brussels Airlines Logo
12:10 - 21:35FAO-LHR
9h 25m1 stop
£164Brussels Airlines
Find Deal
Sat, 7 Jun - Sat, 14 Jun
Brussels Airlines Logo
07:45 - 18:00LHR-FAO
10h 15m1 stop
Brussels Airlines Logo
12:10 - 21:35FAO-LHR
9h 25m1 stop
£173Brussels Airlines
Find Deal
Sat, 7 Jun - Sat, 14 Jun
Iberia Logo
20:50 - 08:00LHR-OPO
11h 10m1 stop
Iberia Logo
22:00 - 09:10OPO-LHR
11h 10m1 stop
£182Iberia
Find Deal
Mon, 12 May - Wed, 14 May
Iberia Logo
06:10 - 07:45LHR-LIS
25h 35m1 stop
Iberia Logo
22:10 - 22:35LIS-LHR
24h 25m1 stop
£187Iberia
Find Deal
Fri, 12 Sep - Mon, 15 Sep

KAYAK's insights & trends for Heathrow to Portugal flights

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

What is the cheapest London Heathrow Airport to Portugal 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 Heathrow Airport to Portugal.
The cheapest ticket to Portugal from London Heathrow Airport found in the last 72 hours was to Ponta Delgada, at £119 return. The most popular route is from London Heathrow Airport (LHR) to Lisbon (LIS), and the cheapest round-trip airline ticket found on this route in the last 72 hours was £145.

What is the cheapest time of day to fly to Portugal?

The average price for all round-trip flights from London Heathrow Airport to Portugal depending on the time of departure, clicked by users on KAYAK in the last 2 weeks.
The cheapest time of day to fly to Portugal is generally at night, when retur flights cost £376 on average. Morning departures are around 3% more expensive than evening flights, on average. The most expensive time of day to fly to Portugal is generally in the morning, which is peak travel time and where the average cost of a ticket is £509.

What is the cheapest month to fly from London Heathrow Airport to Portugal?

To calculate monthly average prices, KAYAK takes all prices for each month over the last year for round-trip flights from London Heathrow Airport to Portugal, 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 Heathrow Airport to Portugal is January, when tickets cost £126 (return) on average. On the other hand, the most expensive months are August and July, when the average cost of return tickets is £275 and £237 respectively.

What’s the cheapest day of the week to fly from London Heathrow Airport to Portugal?

The average price of all round-trip flights from London Heathrow Airport to Portugal clicked on KAYAK for each day over the last 12 months.
If your flying dates are flexible, you should consider flying to Portugal on a Monday, as we generally find the cheapest rates on that day for this route. On the other hand, Wednesday is the most expensive day to fly from London Heathrow Airport to Portugal. For your return ticket, we recommend flying on a Sunday and avoiding Mondays for the best deals.

How far in advance should I book a flight from London Heathrow Airport to Portugal?

To calculate weekly average prices, KAYAK takes all prices for each week before departure over the last year for round-trip flights from London Heathrow Airport to Portugal, 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 Heathrow Airport to Portugal, you should book around 5 weeks before departure. For the absolute cheapest price, our data suggests you should book 25 weeks before departure.

Good to know - Cheap tickets from London Heathrow Airport to Portugal

Low season

January

High season

August

Cheapest flight

£57
Best time to beat the crowds (29% less expensive on average)
Most popular time to fly (36% more expensive on average)
Flight from London Heathrow Airport to Porto

Flights from Heathrow to Portugal: the best tips from KAYAK users

Insights shared by verified travellers who flew the route from Heathrow to Portugal 
ZakFlew with TAP AIR PORTUGALLHR-LISMar 2025
Don't bother with business if you are flying out of LHR before 06:30 as the lounges and fast track security only open at 06:00 so you will not have time to use them. For short haul European flights this is most of the benefit of going business class. Hand luggage only is better with a large rucksack (30-40L) instead of a case with wheels is possible as gate agents will usually check cases with wheels on full flights and your rucksack is less likely to be gate checked.
LiannFlew with British AirwaysLHR-LISAug 2024
Keep liquids altogether because you have to place it in a plastic bag from them
KFlew with TAP AIR PORTUGALLHR-LISApr 2024
Huge queues at Lisbon airport. Literally anywhere. Make sure you leave plenty of time for everything.

FAQs - booking Portugal flights

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Portugal?

    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 Heathrow Airport to Portugal.

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

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from London Heathrow Airport to Portugal 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 London Heathrow Airport to Portugal?

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

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

    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 from London Heathrow Airport to Portugal up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top 5 airlines serving from Heathrow to Portugal

Need help choosing which airline to fly with from Heathrow to Portugal? 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.
7.1
TAP AIR PORTUGALOverall score based on 1845 reviews
7.8Crew
6.2Food
7.0Boarding
6.3Entertainment
7.1Comfort
Airline reviews

Awful. I told them to cancel my return flight and they didn’t then charged me +$800 days before the flight for a biz class upgrade bid. When I called to confirm cancellation and get refund on buz class upgrade they said I had to go thru orbitz and it was too late. Scammers. Beware.

2.0 MediocreSuzanne, Mar 2025SVQ - LIS
Read more TAP AIR PORTUGAL reviews

Awful. I told them to cancel my return flight and they didn’t then charged me +$800 days before the flight for a biz class upgrade bid. When I called to confirm cancellation and get refund on buz class upgrade they said I had to go thru orbitz and it was too late. Scammers. Beware.

Little leg room in business. I am tall and could use more.

Was a cheap flight and it got me to Portugal on time. For economy there was ample leg room and the flight attendants were pleasant and helpful.

Flight was packed. This was a very uncomfortable experience. Boarding process could be explained better. Despite recommending a window seat when travelling with a pet in the cabin, the seat in front of me had less space than the center and aisle seats. For Premium Economy, the seats were crammed with minimal legroom. I hate to think what Regular Economy was like. The cabin crew missed me at first when handing out meals. When my meal eventually came, there were no utensils. I'd originally booked to fly Business Class; those seats didn't look that great either.

Flight was packed. This was a very uncomfortable experience. Boarding process could be explained better. Despite recommending a window seat when travelling with a pet in the cabin, the seat in front of me had less space than the center and aisle seats. For Premium Economy, the seats were crammed with minimal legroom. I hate to think what Regular Economy was like. The cabin crew missed me at first when handing out meals. When my meal eventually came, there were no utensils.

First time and I enjoyed the trip…. Will fly again soon 🔜

Delayed flight because other plane was occupying the gate for longer than expected. Once we boarded the plane had to wait 1 hour before taking off. We. Almost lost our connection flight and the baggage didn’t make it. We had to wait two days to receive our luggage. Hope they improve the timing or work with the airport to get better service.

I’m still missing my bags. I’m soo frustrated

TAP boarding gate agents singled out Group A line to gate check all carry on bags …. Supposedly because of lack on bin space. BUT ALL OTHERS WERE PERMITTED WITH CARRY ON BAGS. Additionally so many passengers entering the plane after us were permitted carry on bags. And when the plane was fully loaded, there was a number of open spaces in the overhead bins. I WILL SEARCH OTHER OPTIONS BEFORE FLYING TAP AGAIN

Boarding went fast. Lisbon's gates are too small for the flights they serve.

I wish they could put the pre-tsa check on the tickets or global entry.

Great flight, short and good attention. Didn't took any food so can't say thing about it

Its a bus taking you on and off the plane so if you have big luggage … more muscles needed

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.

okay, will recommend from PR to Madrid, faster turn around

N/A - missed the flight because of the delay in flight to Madrid

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.

I originally chose two aisle seats for my daughter and myself in the same row. We got seated in the middle, three rows apart. Both of the men sitting in front of us reclined their seats fully leaving us NO room. A totally uncomfortable flight for eleven hours.

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.

The crew on this flight was probably the worst I have ever come across. This applies particularly to Karen and Lee (possibly Jason) - the short, overweight pompous guy - arrogant and rude are possibly too kind a description. This Lee/Jason obviously failed his exams at Charm School, and frankly, in my view, needs to be dismissed immediately. Karen was similar to the guy in attitude, but not quite as rude.

We were charged a ridiculous amount for a name spelling error on ticket which I would’ve corrected if I received pre-check info more than 1/2hr before flight. Then we were told at ticket counter that our bags were fine for boarding but then we’re charged another ridiculous amount to take in our luggage despite being told differently. Flight itself was great. Charges were unfair.

Apart from an email about re configuring passenger seating less than 24hrs before flying it was all good.

There were a lot (4 I think) of EasyJet flights leaving Agadir, we arrived two and a half ours before our flight. Very slow to get through the booking in, passport control and security!! We had booked in on line but had to Queue with others who had not to drop our bags off!,

We boarded and then sat on the tarmac for an hour….probably not E Jets fault. But the gentleman that checked us in and took our luggage was exceptionally friendly and calming for early morning/ confused passengers. As always, it’s the people that make or break an experience, right?

I was hesitant to book with a low cost airline due to previous experience but Easy Jet surpassed my expectations. I would definitely book a flight with them again! Seemless booking, upfront about baggage fees, professional, and helpful staff.

Kayak sent several notifications that the flight was late. This contradicted the information on the airport boards. This was extremely confusing and we very nearly missed the flight purely because we double checked with the info desk when the flight stays said’closed’. Kayak notifications are therefore unreliable and pointlesa

Usual issues with flight delay. Perennial problem of travel by plane.

i didnt go this was a hacker booked this flight on my debit card !

Delayed almost 2 hours sitting on plane. No updates at all from flight deck and virtually no updates from cabin crew

Long delay resulted in my being unable to catch a train home and resulted in an additional £76 cost for an Uber

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 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.

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

If my tv wasn’t broken and I wasn’t in a seat that didn’t allow for sleeping

Very long and took extra push back to BA staff to get a realistic flight after they made me miss my original direct flight. Eventually landed 9 hours late and incurred many extra costs with other missed bookings

They overbooked the flight by 3 people. It is completely unacceptable to tell 3 people, with paid tickets, that need to get home for children etc, that they need to stay another night. No compensation. No apology.

The crew at Check-in was very helpful. It’s was appreciate.

It’s a budget airline. You get what you pay for. They insisted on getting us out of the gate and into our slot on time. They got us to the destination safely. Aircraft was clean and well maintained. What more could we want

Half an hour delay. Squeezed into a small Departure Lounge with very few seats. Noisy flight with screaming unruly kids. Loud IPads and Phones. Heaven!

Were delayed in the airport for 5 hours with no explanation. Flight kept getting delayed by an hour at a time and wizz air staff were no where to be found

The flight was delayed 5 hours and I'm and invalid,I wan a refund for this

The cabin crew on that flight were super fantastic and super helpful. They were so polite and considerate that i felt i travelled with a 5star airline.

Delayed delayed delayed - always with Wizzair. Staff were friendly and well mannered but clearly the company is unorganized and the aircrafts are outdated.

It's a budget airline. Great for short flight. Smooth landing.

4 hr delay and only told less than 2hrs before. Only given water and nuts on the flight as complimentary service. Left to wait in rain before boarding.

To be honest I did not like anything. Communication to why my flight was cancelled mid air 2 and half hours into my flight. Customer service desk were not helpful with providing information or a solution on what can be done.

Everything you need to know for your flight from Heathrow to Portugal

Information on your arrival and departure airports

Not what you’re looking for? Find thousands of other hotels, flights, car hires and package deals with KAYAK.