Cheap flights from London Gatwick Airport to Lisbon from £40

In general, February is the cheapest month to fly from London Gatwick Airport to Lisbon. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £119. If you are unable to visit Lisbon during the month of February, then departing from London Gatwick Airport during the month November is also very affordable. Most momondo users find prices during this month for around £129.

The cheapest day to depart on your flight to Lisbon is on a Tuesday when prices can be found for as low as £226. 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 Gatwick Airport to Lisbon for around £276.

In the evening is the cheapest time of day to fly from London Gatwick Airport to Lisbon when you can find flight prices for as low as £220. 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 £265. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Lisbon from London Gatwick Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Lisbon for around £174 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 Gatwick Airport for as low as £136 on momondo.

There are 3 cabin classes available to choose from on London Gatwick 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.

You could potentially save up to 4% on your flight if you consider stops on a London Gatwick Airport to Lisbon flight.

As of March 2026, prices for London Gatwick Airport to Lisbon flights are approximately 7% cheaper when compared to flights at the same time last year.

easyJet is the most popular carrier operating from London Gatwick to Lisbon Humberto Delgado

easyJet, TAP AIR PORTUGAL and easyJet are the top three most popular airlines that fly to Lisbon from London Gatwick Airport according to our data. easyJet is the first choice among our users, with 71% 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 30% 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 116 minutes.

Generally, flights departing in the evening 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, easyJet have had the fewest delays on this route over the last 12 months, with about 27% of their flights experiencing any sort of delay.

Porto (OPO) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Flights via Porto (OPO) offer the lowest average return price of £202.

Flights connecting via Barcelona (BCN) have the shortest average one-way travel time: 6h 50m.

Barcelona (BCN) has the shortest average stopover time for this route: 1h 53m.

3 flights are operational daily from London Gatwick Airport to Lisbon as of March 2026. The most popular departure time for this route is 16:00, with 41% of flights per day taking off in the afternoon.

26 flights are operational weekly from London Gatwick Airport to Lisbon as of March 2026. The most popular departure day for this route is Mon, with 38% of flights per week taking off on this day.