Cheap flights from Portugal to London from £23

The cheapest month to fly to London Luton Airport from Portugal is in December. Flight prices, which tend to average around £12, are often lower during this time because this is during the off-season. If you don’t want to visit London Luton Airport in December, then you should wait until May to fly from Portugal, when ticket prices are also cheap, with an average price of £13.

The cheapest day to depart from Portugal to London Luton Airport is on a Sunday. Travellers who choose to depart for London Luton Airport on a Sunday will often find tickets for as low as £68. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to London Luton Airport on Tuesday is £142.

Our data shows that the cheapest Portugal to London Luton Airport flights are usually those with departure times in the evening. Our users have found flights to London Luton Airport in the evening for as low as £79. Try not to purchase tickets in the afternoon because they tend to be around £148. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Faro to London Luton for the best Portugal - London Luton flight prices

You are more likely to see cheaper flights to London Luton Airport from Portugal when booking weeks ahead of your departure date. In general, you can expect to find flights to London Luton Airport for around £121 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Luton Airport from Portugal for as low as £73 on momondo.

Historically, on average around 35% of flights between Portugal and London have experienced a delay on any given week. The average delay length over the past 12 months has been 110 minutes.

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

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Thursday 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 37% of their flights experiencing any sort of delay.

6 flights are operational daily from Portugal to London Luton Airport as of May 2026. The most popular departure time for this route is 10:00, with 39% of flights per day taking off at midday.

45 flights are operational weekly from Portugal to London Luton Airport as of May 2026. The most popular departure day for this route is Mon, with 24% of flights per week taking off on this day.