Cheap flights from London Gatwick Airport to Porto from $81

In general, January is the cheapest month to fly from London Gatwick Airport to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $233. If you aren’t able to travel to Porto during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $268.

Our data shows that Monday is the least expensive day to fly to Porto. Tickets to fly out on this day can be as low as $166. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from London Gatwick Airport to Porto for around $430.

Our most recent data shows that the best time of day to fly to Porto is in the afternoon. Flights from London Gatwick Airport to Porto during this time can be as low as $209. Flights in the evening are often more expensive, with an average ticket price of $430.

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

You are more likely to see cheaper flights to Porto from London Gatwick Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $344 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from London Gatwick Airport for as low as $302 on momondo.

There are 2 cabin classes available to choose from on London Gatwick Airport to Porto flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Historically, on average around 20% of flights between London and Porto have experienced a delay on any given week. The average delay length over the past 12 months has been 119 minutes.

Generally, flights departing in the evening 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. 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 17% of their flights experiencing any sort of delay.

As of October 2026, 4 flights take off from London Gatwick Airport and land in Porto each day. The most common flight departure time for this route is 12:00, with 45% of daily flights taking off in the afternoon.

The number of flights available between London Gatwick Airport and Porto is 32 per week as of October 2026. The most frequent departure day is Thu, with 41% of weekly flights leaving on this day.