Cheap flights from London Heathrow Airport to Finland from £103

The cheapest month to fly to Finland from London Heathrow Airport is in October. Flight prices, which tend to average around £187, are often lower during this time because this is during the off-season. If you aren’t able to travel to Finland during the month of October, then flying in March is also cheap. Prices for this month can be found on momondo for an average of £191.

Our data shows that Friday is the least expensive day to fly to Finland. Tickets to fly out on this day can be as low as £470. On the other hand, Tuesday is the most expensive day to depart from London Heathrow Airport because it is more convenient for both business and leisure travellers. As a result, prices tend to be around £550.

In the morning is the cheapest time of day to fly from London Heathrow Airport to Finland when you can find flight prices for as low as £476. Flying to Finland in the morning is an ideal time because this is during off-peak travel hours. Try not to purchase tickets in the afternoon because they tend to be around £578. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

You are more likely to see cheaper flights to Finland from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Finland for around £244 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Finland from London Heathrow Airport for as low as £202 on momondo.

There are 4 cabin classes available to choose from on London Heathrow Airport to Finland flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Scandinavian Airlines, Finnair, and KLM are the most popular carriers operating from London Heathrow to Finland

Finnair, Scandinavian Airlines and Lufthansa are the top three most popular airlines that fly to Finland from London Heathrow Airport according to our data. Finnair is the first choice among our users, with 70% of people opting to fly with this airline when travelling to Finland. Keep in mind that there are 6 different airlines that fly to Finland on a routine basis, so you have a few additional options to choose from.

Historically, on average around 19% of flights between London and Finland have experienced a delay on any given week. The average delay length over the past 12 months has been 112 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.

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, Finnair have had the fewest delays on this route over the last 12 months, with about 19% of their flights experiencing any sort of delay.

26 flights are operational daily from London Heathrow Airport to Finland as of July 2026. The most popular departure time for this route is 10:00, with 50% of flights per day taking off at midday.

As of July 2026, there are 183 flights per week flying from London Heathrow Airport to Finland. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.