Cheap Flights from London Heathrow to Lisbon

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Compare London Heathrow to Lisbon flight deals

Find the cheapest month or even day of the year to fly to Lisbon

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Flight deals from London Heathrow to Lisbon

Looking for a cheap last-minute deal or the best return flight from London Heathrow to Lisbon? Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from London Heathrow to Lisbon

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Heathrow to Lisbon flights are currently cheapest in January.

Direct flights from London Heathrow to Lisbon

London Heathrow to Lisbon: Alternative routes

Compare routes from London Heathrow to Lisbon below. You may find an airport to fly into that's cheaper, faster, or easier than Lisbon.

London to Lisbon: Flight information

The things to know before you go.
Cheapest flight found113 €
Cheapest month to flyJanuary
Average flight time2 hrs, 49 mins
Most popular airlineTAP Air Portugal
Average flights per week670

Finding cheap flights from London Heathrow to Lisbon: Frequently asked questions

The best price we found for a return flight from London Heathrow to Lisbon is 113 €. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 49 minutes is the average flight time from London Heathrow to Lisbon.
TAP Air Portugal, Azores Airlines and British Airways fly direct from London Heathrow to Lisbon.
As of March 2025, there are 670 flights per week flying from London Heathrow to Lisbon.
The cheapest month to fly from London Heathrow to Lisbon is usually March 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Heathrow Airport to Lisbon Airport on Monday, 5 January 2026.
Yes – the average flight time is 2 hours and 49 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Lisbon but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Lisbon is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, British Airways offers the cheapest flight tickets to Lisbon.

Flying from London Heathrow Airport (LHR) to Lisbon Portela Airport (LIS): what you need to know

  • On average, direct flights from London Heathrow Airport to Lisbon Portela Airport take 2 hours 47 minutes. Lisbon and London share the same timezone (UTC+0), so you won't have to adjust your watch once you arrive.

  • Each week, there are 151 flights from London Heathrow Airport to Lisbon Portela Airport. To jet off as early as possible, go for the 06:00 TAP Portugal flight. If you're keen to make the most of your day before flying, the latest flight from LHR to LIS is 20:25 with British Airways.

  • Travelling over a peak time such as July? Major public holidays and other popular periods can lead to longer queues and delays at check-in and security. Play it safe and arrive up to four hours before international flights and two hours before a domestic departure.

  • British Airways is your gateway to discovering Lisbon (and perhaps some other exciting corners of Portugal!). Browse the direct flights from London Heathrow Airport to Lisbon Portela Airport offered by this airline.

  • If you want to break up your flight from London Heathrow Airport to Lisbon Portela Airport, consider adding a stopover. Simply uncheck 'Direct flights only' and find a city that appeals to you. The most popular stopovers on the LHR - LIS route are:

    • Charles de Gaulle Airport

    • Manchester Airport

    • Adolfo Suarez Madrid-Barajas Airport

  • To find out if you need a visa to enter Portugal, contact your carrier and the local embassy or consulate. They'll give you the most up-to-date details, including other travel documents you may need after booking your cheap ticket from LHR to LIS.

How to find the cheapest flights from London Heathrow Airport (LHR) to Lisbon Portela Airport (LIS)

  • The lowest price we've seen for a one-way ticket from London Heathrow Airport to Lisbon Portela Airport is 59 €. For a return flight on this route, the best price is 113 €. Depending on the availability when you book, these fares can change.

  • To score cheap tickets from LHR to LIS, book your trip 5 months ahead of your departure.

  • The cheapest month for tickets from London Heathrow Airport to Lisbon Portela Airport is January. Use the 'Whole month' tool to see the lowest prices if you have flexible dates.

  • Log into your online account or use the app to set up a Price Alert. You'll get notified straight away if there's a better deal on this route. It doesn't take long, and it'll save you the hassle of checking for cheap tickets from LHR to LIS every day.

  • Tailor your trip using filters. Select your departure and arrival times, total journey duration and airlines. You can also sort the results by 'Cheapest,' 'Fastest' or 'Best' flights from London Heathrow Airport to Lisbon Portela Airport.

Handy information about London Heathrow Airport (LHR)

  • London Heathrow Airport is around 31 kilometres from central London. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 57 minutes or so to get there, depending on traffic. If you're taking public transport, expect the journey time to be approximately 1 hour and 1 minute.

  • Taking an early flight from London Heathrow Airport to Lisbon Portela Airport? Avoid the last-minute rush to the airport (and sneak in some extra precious sleep) by choosing one of these stays near LHR:

Arriving at Lisbon Portela Airport (LIS)

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport to central Lisbon takes about 22 minutes by car. It's approximately 10 kilometres away. Discover what options are available, such as cabs, car rentals or ride-sharing services.

  • Travelling by public transport takes about 59 minutes.

When to fly to Lisbon Portela Airport (LIS)

  • June is the most popular month for flights from London Heathrow Airport to Lisbon Portela Airport. To skip the crowds, go to Lisbon in February.

  • When reserving your flight from London Heathrow Airport to Lisbon Portela Airport, consider the kind of weather you like. August is the warmest month in Lisbon, with temperatures ranging from 16ºC to 29ºC.

  • January sees average temperatures of between 8ºC and 16ºC. Search for cheap tickets from LHR to LIS sometime around then if you like travelling in cooler conditions.

More about Lisbon

Complete your Lisbon trip with hotels and a car rental

  • Comparing flights is not the only thing we do. Once you've booked your cheap ticket to Lisbon Portela Airport, check out our car rental deals that'll give you the freedom and flexibility to see the sights at your own pace. Then, take a look at our exclusive rates for hotels to find your ideal Lisbon stay.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.