Cheap flights from Finland to London from £21

The cheapest month to fly to London from Finland is in March. Flight prices, which tend to average around £88, are often lower during this time because this is during the off-season. The month of November is another great option to travel to London, with average flight prices from Finland averaging around £98.

Our data shows that Saturday is the least expensive day to fly to London. Tickets to fly out on this day can be as low as £149. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Finland to London for around £168.

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £118. Flights in the morning are often more expensive, with an average ticket price of £260.

Fly from Helsinki-Vantaa to London Stansted for the best Finland - London flight prices

You are more likely to see cheaper flights to London from Finland when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £222 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Finland for as low as £200 on momondo.

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

Ryanair, Norwegian, and Scandinavian Airlines are the most popular carriers operating from Finland to London

Finnair, Ryanair and Norwegian are the top three most popular airlines that fly to London from Finland according to our data. Finnair is the first choice among our users, with 54% of people opting to fly with this airline when travelling to London. Keep in mind that there are 4 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 15% of flights between Finland and London have experienced a delay on any given week. The average delay length over the past 12 months has been 102 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

Friday 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, Finnair have had the fewest delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

As of February 2026, there are 27 flights per day flying from Finland to London. The most common time of day flights depart is 07:00, with 57% of flights taking off in the afternoon.

194 flights are operational weekly from Finland to London as of February 2026. The most popular departure day for this route is Fri, with 18% of flights per week taking off on this day.