Cheap flights from Porto to London from £38

The cheapest month to fly to London Gatwick Airport from Porto is in May. Flight prices, which tend to average around £111, are often lower during this time because this is during the off-season. If you don’t want to visit London Gatwick Airport in May, then you should wait until January to fly from Porto, when ticket prices are also cheap, with an average price of £113.

According to our data, Friday is the cheapest day to fly to London Gatwick Airport from Porto. The lowest ticket price found for a Friday departure recently was £115. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. Flights from Porto to London Gatwick Airport on a Sunday will generally be more expensive and average around £154. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

Our data shows that the cheapest Porto to London Gatwick Airport flights are usually those with departure times in the evening. Our users have found flights to London Gatwick Airport in the evening for as low as £120. In contrast, the most expensive time of day to depart to London Gatwick Airport is in the afternoon when prices are around £146.

Fly from Porto to London Gatwick for the best Porto - London Gatwick flight prices

You are more likely to see cheaper flights to London Gatwick Airport from Porto when booking weeks ahead of your departure date. In general, you can expect to find flights to London Gatwick Airport for around £143 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Gatwick Airport from Porto for as low as £105 on momondo.

There are 3 cabin classes available to choose from on Porto to London Gatwick Airport 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 37% on your flight if you consider stops on a Porto to London Gatwick Airport flight.

As of September 2026, prices for Porto to London Gatwick Airport flights are approximately 4% cheaper when compared to flights at the same time last year.

easyJet and Air Europa are the most popular carriers operating from Porto to London Gatwick

British Airways, TAP AIR PORTUGAL and easyJet are the top three most popular airlines that fly to London Gatwick Airport from Porto according to our data. British Airways is the first choice among our users, with 39% of people opting to fly with this airline when travelling to London Gatwick Airport. Keep in mind that there are 3 different airlines that fly to London Gatwick Airport on a routine basis, so you have a few additional options to choose from.

Historically, on average around 19% of flights between Porto and London have experienced a delay on any given week. The average delay length over the past 12 months has been 118 minutes.

Generally, flights departing in the early afternoon tend to experience fewer delays. Flights departing at night 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. Sunday 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 15% of their flights experiencing any sort of delay.

As of September 2026, there are 2 flights per day flying from Porto to London Gatwick Airport. The most common time of day flights depart is 09:00, with 52% of flights taking off at midday.

19 flights are operational weekly from Porto to London Gatwick Airport as of September 2026. The most popular departure day for this route is Mon, with 63% of flights per week taking off on this day.