Cheap flights from London to Lisbon from $102

The month of January is, on average, the cheapest month to fly to Lisbon from London, with most prices found around $218. The month of February is another great option to travel to Lisbon, with average flight prices from London averaging around $252.

According to our data, Sunday is the cheapest day to fly to Lisbon from London. The lowest ticket price found for a Sunday departure recently was $388. 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 $627. 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 in the afternoon. Flights from London to Lisbon during this time can be as low as $357. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $605 on average. Flights to Lisbon from London in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $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 $342 on momondo.

There are 2 cabin classes available to choose from on London to Lisbon 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 5% on your flight if you consider stops on a London to Lisbon flight.

As of August 2026, prices for London to Lisbon flights are approximately 11% cheaper when compared to flights at the same time last year.

Historically, on average around 24% 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 112 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 August 2026, 32 flights take off from London and land in Lisbon each day. The most common flight departure time for this route is 19:00, with 40% of daily flights taking off at midday.

As of August 2026, 228 flights take off from London and land in Lisbon each week. The most common flight departure day for this route is Mon, with 31% of weekly flights taking off on this day.