Cheap flights from London to Porto from C$ 85

In general, January is the cheapest month to fly from London to Porto. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 236. If you’re not able to fly to Porto in January, then October is your next best option. Flight prices from London to Porto during October average around C$ 243.

The cheapest day to depart from London to Porto is on a Wednesday. Travellers who choose to depart for Porto on a Wednesday will often find tickets for as low as C$ 170. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around C$ 858. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

In the afternoon is the cheapest time of day to fly from London to Porto when you can find flight prices for as low as C$ 209. Flying to Porto in the afternoon is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the morning because they tend to be around C$ 313. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 C$ 399 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 C$ 285 on momondo.

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

As of May 2026, prices for London to Porto flights are approximately 11% cheaper when compared to flights at the same time last year.

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 117 minutes.

Generally, flights departing at night tend to experience fewer delays. Flights departing in the evening 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. Thursday has historically seen more delays on average compared to the rest of the week.

According to our data, TAP AIR PORTUGAL has had the least delays on this route over the last 12 months, with about 21% of their flights experiencing any sort of delay.

As of May 2026, 5 flights take off from London and land in Porto each day. The most common flight departure time for this route is 12:00p.m., with 43% of daily flights taking off in the afternoon.

As of May 2026, there are 36 flights per week flying from London to Porto. The most common day of the week flights depart is Fri, with 31% of flights taking off on this day.