Cheap flights from London to Lisbon

Compare London to Lisbon flight deals

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

Book the best Lisbon fare with no extra fees

Flight deals from London Airport to Lisbon Airport

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

Find the cheapest month to fly from London to Lisbon

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

London to Lisbon: Alternative routes

Compare routes from London 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 found$560
Cheapest month to flyMay

Finding cheap flights from London to Lisbon: Frequently asked questions

The best price we found for a round-trip flight from London to Lisbon is $1,143. 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.
Currently, there are no airlines that fly direct from London to Lisbon. But we found flights with one or more stops from $1,143.
There are no flights flying from London to Lisbon, as of March 2026.
The cheapest month to fly from London to Lisbon is usually June.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Airport to Lisbon Airport on Sunday, June 14, 2026.
No airlines currently offer direct flights between London Airport and Lisbon Airport. Most routes have one or more stops.
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, Air Canada offers the cheapest flight tickets to Lisbon.

Traveling from London International Airport (YXU) to Lisbon Portela Airport (LIS): what you need to know

  • Lisbon's timezone is UTC+0, making Lisbon four hours ahead of London.

  • Your YXU to LIS flight won't wait if you're running late, so be at the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.

  • During popular months like August, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for an international flight when you fly during a high season in general.

How to find the cheapest flights from London International Airport (YXU) to Lisbon Portela Airport (LIS)

  • Currently, $562 is the lowest price we've seen for a one-way London International Airport to Lisbon Portela Airport flight. The best price for a return plane ticket is $1,146. Keep in mind that fares may change due to demand at the time of booking.

  • It's often best to book early if you're hoping to get cheap tickets from YXU to LIS. That's because airlines change prices based on demand, which tends to rise closer to the date of departure.

  • The 'Whole month' tool shows you the cheapest flights from London International Airport to Lisbon Portela Airport across each month. It's a good way to snap up a bargain if your travel plans aren't set in stone.

  • Spend less time searching for cheap flights from YXU to LIS by creating a Price Alert. You'll get an email or push notification on the app when a lower fare becomes available.

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

Handy information about London International Airport (YXU)

  • 50.41% of flights that depart London International Airport land at their destination on time.

  • London International Airport is around 11 kilometers from central London. If you're ride-sharing, catching a cab or driving from the center, it'll take you 20 minutes or so to get there, depending on the traffic.

  • Taking public transport? Expect a trip time of around 55 minutes.

  • Need a convenient hotel near YXU? If you're catching an early flight from London International Airport to Lisbon Portela Airport, these stays will have you sleeping moments from check-in:

Arriving at Lisbon Portela Airport (LIS)

  • If you're landing on a late London International Airport to Lisbon Portela Airport flight, nothing tops the convenience of being close to the terminal. Pick up your bags from the carousel and then be showered and sleeping soon after at one of these hotels near LIS:

  • Travel at your own pace with a Lisbon Portela Airport rental car. Book your wheels from Klass Wagen, Goldcar or OK Mobility and venture far and wide through Lisbon and beyond.

  • To get the lowest price, reserve your ride from Lisbon Portela Airport about two weeks before your trip.

Getting from Lisbon Portela Airport (LIS) to central Lisbon

  • Lisbon Portela Airport is approximately 10 kilometers from central Lisbon. The drive time takes around 20 minutes.

  • Getting there on public transport will take you roughly 1 hour.

When to fly to Lisbon Portela Airport (LIS)

  • It's time to pick your travel dates for your flight from London International Airport to Lisbon Portela Airport. June is the most popular month to head to Lisbon. If you're after a quieter vibe, go in January.

  • The warmest month in Lisbon is August, with temperatures ranging between 16ºC (61ºF) and 29ºC (84ºF). Book your flights from London International Airport to Lisbon Portela Airport in this month if this is the type of weather you like.

  • Search for cheap tickets from YXU to LIS in January if you like traveling in cooler conditions. Temperatures are at their lowest around then, ranging between 8ºC (46ºF) and 16ºC (61ºF) on average.

Explore more of Portugal

  • Lisbon is easy to fall in love with, but there are so many other parts of Portugal waiting to be explored. Around 274 kilometers north of Lisbon, a trip to Porto will keep you on the go. Start with leading sights like Livraria Lello, Ribeira District and The Douro River.

  • Around 8 kilometers 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.