Cheap flights from London to Lisbon from $137

The month of January is, on average, the cheapest month to fly to Lisbon from London, with most prices found around $208. The month of February is another great option to travel to Lisbon, with average flight prices from London averaging around $244.

According to our data, Tuesday is the cheapest day to fly to Lisbon from London. The lowest ticket price found for a Tuesday departure recently was $286. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $415. These prices are subject to change though, so be sure to set up a Price Alert for flights to Lisbon.

Our most recent data shows that the best time of day to fly to Lisbon is at midday. Flights from London to Lisbon during this time can be as low as $305. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $411 on average. Flights to Lisbon from London in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

Fly from London Heathrow to Lisbon Humberto Delgado for the best London - Lisbon Humberto Delgado flight prices

You are more likely to see cheaper flights to Lisbon from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around $382 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Lisbon from London for as low as $336 on momondo.

No. A direct flight is the cheapest option for a flight between London to Lisbon.

As of April 2026, prices for London to Lisbon flights are approximately 73% more expensive when compared to flights at the same time last year.

KLM, TAP AIR PORTUGAL, and Air Serbia are the most popular carriers operating from London to Lisbon Humberto Delgado

TAP AIR PORTUGAL, easyJet and British Airways are the top three most popular airlines that fly to Lisbon from London according to our data. TAP AIR PORTUGAL is the first choice among our users, with 49% of people opting to fly with this airline when travelling to Lisbon. Keep in mind that there are 3 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Historically, on average around 25% of flights between London and Lisbon have experienced a delay on any given week. The average delay length over the past 12 months has been 110 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Tuesday is statistically the day of the week that experiences the fewest delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways have had the fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

As of April 2026, 38 flights take off from London and land in Lisbon each day. The most common flight departure time for this route is 18:00, with 41% of daily flights taking off in the evening.

As of April 2026, 268 flights take off from London and land in Lisbon each week. The most common flight departure day for this route is Tue, with 27% of weekly flights taking off on this day.