Cheap flights from London to Lisbon from €75

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 €134. If you don’t want to visit Lisbon in January, then you should wait until February to fly from London, when ticket prices are also cheap, with an average price of €157.

The cheapest day to depart from London to Lisbon is on a Sunday. Travellers who choose to depart for Lisbon on a Sunday will often find tickets for as low as €218. Be sure to avoid booking your departure on a Thursday as prices are generally higher than usual. According to our data, the average ticket price to Lisbon on Thursday is €372.

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 €239 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 €211 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.

As of July 2026, prices for London to Lisbon flights are approximately 1% 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.

The number of flights available between London and Lisbon is 43 per day as of July 2026. The most frequent departure time is 18:00, with 41% of daily flights leaving in the evening.

As of July 2026, there are 303 flights per week flying from London to Lisbon. The most common day of the week flights depart is Sat, with 27% of flights taking off on this day.