Cheap flights from London to Portugal from C$ 43

If you’re not able to fly to Portugal in January, then November is your next best option. Flight prices from London to Portugal during November average around C$ 195.

The cheapest day to depart from London to Portugal is on a Wednesday. Travellers who choose to depart for Portugal on a Wednesday will often find tickets for as low as C$ 389. Flights from London to Portugal on a Thursday will generally be more expensive and average around C$ 728. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

The cheapest time of day to fly to Portugal is at noon when flights can be purchased for as low as C$ 388. Try not to purchase tickets in the afternoon because they tend to be around C$ 724. 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 - Portugal flight prices

You are more likely to see cheaper flights to Portugal from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around C$ 380 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from London for as low as C$ 332 on momondo.

There are 3 cabin classes available to choose from on London to Portugal flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Wizz Air, easyJet, and Vueling are the most popular carriers operating from London to Portugal

TAP AIR PORTUGAL, British Airways and easyJet are the top three most popular airlines that fly to Portugal from London according to our data. TAP AIR PORTUGAL is the first choice among our users, with 53% of people opting to fly with this airline when travelling to Portugal. Keep in mind that there are 3 different airlines that fly to Portugal on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between London and Portugal have experienced a delay on any given week. The average delay length over the past 12 months has been 111 minutes.

Generally, flights departing at night 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. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, British Airways has had the least delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

As of April 2026, there are 78 flights per day flying from London to Portugal. The most common time of day flights depart is 6:00p.m., with 34% of flights taking off at noon.

549 flights are operational weekly from London to Portugal as of April 2026. The most popular departure day for this route is Fri, with 21% of flights per week taking off on this day.