Cheap flights from Lisbon to London from $39

The cheapest month to fly to London from Lisbon is in January. Flight prices, which tend to average around $97, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Lisbon averaging around $123.

The cheapest day to depart from Lisbon to London is on a Wednesday. Travelers who choose to depart for London on a Wednesday will often find tickets for as low as $245. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $479. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Lisbon in the evening is the least expensive time of day to depart. momondo users have found prices as low as $214 when looking at flights departing in the evening. Flights to London are more costly in the morning, with an average ticket price of $330. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to London from Lisbon when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $246 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Lisbon for as low as $186 on momondo.

There are 4 cabin classes available to choose from on Lisbon Humberto Delgado to London 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 Lisbon to London.

As of March 2026, prices for Lisbon to London flights are approximately 16% more expensive when compared to flights at the same time last year.

easyJet, Vueling, and KLM are the most popular carriers operating from Lisbon Humberto Delgado to London

TAP AIR PORTUGAL, British Airways and easyJet are the top three most popular airlines that fly to London from Lisbon according to our data. TAP AIR PORTUGAL is the first choice among our users, with 52% of people opting to fly with this airline when traveling to London. Keep in mind that there are 4 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 31% of flights between Lisbon and London have experienced a delay on any given week. The average delay length over the past 12 months has been 113 minutes.

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

Monday is statistically the day of the week which experiences the fewest number of 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 least number of delays on this route over the last 12 months; with about 25% of their flights experiencing any sort of delay.

The number of flights available between Lisbon and London is 53 per day as of March 2026. The most frequent departure time is 6:00PM, with 36% of daily flights leaving in the afternoon.

376 flights are operational weekly from Lisbon to London as of March 2026. The most popular departure day for this route is Fri, with 25% of flights per week taking off on this day.