Cheap flights from London to Porto from $63

The month of January is, on average, the cheapest month to fly to Porto from London, with most prices found around $171. If you aren’t able to travel during the month of January, then book flights to Porto from London during October instead. Flights to Porto in October, while not as cheap as those in January, still average around $174.

The cheapest day to depart on your flight to Porto is on a Sunday when prices can be found for as low as $199. This is often the case because there is less demand to fly during this day of the week. If your travel schedule is flexible, try to avoid departing on a Saturday because tickets tend to average around $309. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

At noon is the cheapest time of day to fly from London to Porto when you can find flight prices for as low as $165. Flying to Porto at noon is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $281 on average. Flights to Porto from London in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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

You are more likely to see cheaper flights to Porto from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around $290 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from London for as low as $211 on momondo.

No. A direct flight is the cheapest option for a flight between London to Porto.

As of April 2026, prices for London to Porto flights are approximately 25% more expensive when compared to flights at the same time last year.

easyJet, Vueling, and KLM are the most popular carriers operating from London to Porto

TAP AIR PORTUGAL, easyJet and Ryanair are the top three most popular airlines that fly to Porto from London according to our data. TAP AIR PORTUGAL is the first choice among our users, with 31% of people opting to fly with this airline when traveling to Porto. Keep in mind that there are 4 different airlines that fly to Porto on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% 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 116 minutes.

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

Tuesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, TAP AIR PORTUGAL have had the least number of delays on this route over the last 12 months; with about 20% of their flights experiencing any sort of delay.

6 flights are operational daily from London to Porto as of April 2026. The most popular departure time for this route is 12:00PM, with 34% of flights per day taking off at noon.

As of April 2026, 42 flights take off from London and land in Porto each week. The most common flight departure day for this route is Tue, with 26% of weekly flights taking off on this day.