Cheap flights from London to Lisbon from £42

In general, January is the cheapest month to fly from London to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £90. If you are unable to visit Lisbon during the month of January, then departing from London during the month November is also very affordable. Most momondo users find prices during this month for around £106.

The cheapest day to depart on your flight to Lisbon is on a Tuesday when prices can be found for as low as £227. This is often the case because there is less demand to fly during this day of the week. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London to Lisbon for around £278.

In the evening is the cheapest time of day to fly from London to Lisbon when you can find flight prices for as low as £223. Flying to Lisbon in the evening is an ideal time because this is during off-peak travel hours. Flights to Lisbon are more costly at midday, with an average ticket price of £270. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from London Stansted 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 £207 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 £180 on momondo.

There are 3 cabin classes available to choose from on London to Lisbon Humberto Delgado flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

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

As of March 2026, prices for London to Lisbon flights are approximately 3% cheaper when compared to flights at the same time last year.

easyJet, Ryanair, and TAP AIR PORTUGAL are the most popular carriers operating from London to Lisbon Humberto Delgado

TAP AIR PORTUGAL, easyJet and Ryanair 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 54% of people opting to fly with this airline when travelling to Lisbon. Keep in mind that there are 11 different airlines that fly to Lisbon on a routine basis, so you have a few additional options to choose from.

Historically, on average around 26% 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, Ryanair have had the fewest delays on this route over the last 12 months, with about 21% of their flights experiencing any sort of delay.

Porto (OPO) was the most common stop: 25% of momondo users choosing one-stop flights on this route connected there.

Flights via Paris (CDG) offer the lowest average return price of £173.

Flights connecting via Madrid (MAD) have the shortest average one-way travel time: 5h 15m.

Frankfurt am Main (FRA) has the shortest average stopover time for this route: 1h 08m.

As of March 2026, there are 30 flights per day flying from London to Lisbon. The most common time of day flights depart is 18:00, with 37% of flights taking off at midday.

The number of flights available between London and Lisbon is 211 per week as of March 2026. The most frequent departure day is Sun, with 40% of weekly flights leaving on this day.