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 February.

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 foundج.م.‏ 3,419
Cheapest month to flyFebruary
Average flight time2 hrs, 49 mins
Most popular airlineSingapore Airlines
Average flights per week675

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 ج.م.‏ 6,483. 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.
Singapore Airlines, TAP Air Portugal and Azul Airlines fly direct from London Heathrow to Lisbon.
As of May 2025, there are 675 flights per week flying from London Heathrow to Lisbon.
The cheapest month to fly from London Heathrow to Lisbon is usually May 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 Wednesday, 4 February 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.

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

  • The average time for a direct flight from London Heathrow Airport to Lisbon Portela Airport is 2 hours 45 minutes.

  • Lisbon's timezone is UTC+0, which is the same as London.

  • Flights from LHR to LIS start at 06:00 — the first with TAP Portugal. The latest departure is at 20:25 with British Airways. Overall, you can take your pick of 151 weekly London Heathrow Airport to Lisbon Portela Airport flights.

  • Give yourself enough time to make your LHR to LIS flight. As a general rule, turn up two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak time like July? Major public holidays and other high seasons can lead to longer lines and delays at airport checkpoints. Play it safe and get there up to four hours before an international flight and two hours before a domestic departure.

  • Flying into Lisbon (and then seeing more of Portugal!) is easy with British Airways. This popular airline offers direct flights from London Heathrow Airport to Lisbon Portela Airport.

  • The majority of travellers choose to travel with British Airways on this route.

  • The most punctual carrier that operates LHR to LIS flights is British Airways. Its services arrive without delay 73.2% of the time.

  • If you want to add a stop to your trip, just deselect 'Direct flights only' when searching for your ticket from London Heathrow Airport to Lisbon Portela Airport. Here are the top stopovers between LHR and LIS:

    • Adolfo Suarez Madrid-Barajas Airport

    • Charles de Gaulle Airport

    • Manchester Airport

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 London Heathrow Airport to Lisbon Portela Airport flight is ج.م.‏ 3,419. A round-trip fare right now is ج.م.‏ 6,483. Depending on the availability and when you book, these fares can change.

  • To get cheap tickets from LHR to LIS, book your journey two months before your departure date.

  • The cheapest month for flights from London Heathrow Airport to Lisbon Portela Airport is January. Use the 'Whole month' tool to find the lowest airfares if you have flexible travel dates.

  • Picking up cheap flights from LHR to LIS couldn't be easier with Price Alerts. Simply set up one of these automatic alerts and we'll notify you when a lower fare pops up.

  • Select your ideal departure and arrival times, airlines and number of stops with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from London Heathrow Airport to Lisbon Portela Airport.

Handy information about London Heathrow Airport (LHR)

  • 68.18% of flights leaving from London Heathrow Airport make it to their destination on schedule.

  • Central London to London Heathrow Airport is approximately 31 kilometres. Depending on traffic, it'll take about 55 minutes to get there if you're driving, catching a cab or ride-sharing.

  • You can expect a trip time of about 1 hour when using public transport.

  • Get your break off to a leisurely start by staying near LHR. Whether you have an early flight from London Heathrow Airport to Lisbon Portela Airport or just don't like being rushed, these stays are ideal:

Arriving at Lisbon Portela Airport (LIS)

  • The last thing you want is a lengthy journey to your hotel if you're arriving on a late London Heathrow Airport to Lisbon Portela Airport flight. Stay at one of these accommodation options near LIS instead:

  • Explore without limits with a Lisbon Portela Airport rental car. Pick up a set of wheels from Klass Wagen, Goldcar or OK Mobility and chase adventure across Lisbon and beyond.

  • To secure the lowest price, reserve your vehicle from Lisbon Portela Airport around two weeks before you travel.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport to the centre of Lisbon has a drive time of about 20 minutes. It's approximately 10 kilometres away.

  • It'll take around 1 hour to get there using public transport.

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 steer clear of the crowds, visit Lisbon in January.

  • When booking your flight from London Heathrow Airport to Lisbon Portela Airport, think about the kind of weather you enjoy. August is the warmest month in Lisbon, with the temperature ranging from 16ºC to 29ºC.

  • If you want to travel in cooler conditions, look for a cheap ticket from LHR to LIS in January. Average temperatures are between 8ºC and 16ºC then.

Explore more of Portugal

  • Porto is just one of the many cities in Portugal waiting to be explored once you've seen Lisbon. Around 274 kilometres away to the north, its best attractions include Livraria Lello, Ribeira District and The Douro River.

  • Around 8 kilometres north-west of Lisbon, Amadora is another essential stop in Portugal. Experience major highlights starting with Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

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