Cheap flights from Helsinki to London from £63

In general, November is the cheapest month to fly from Helsinki to London Heathrow Airport. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £219. The month of March is another great option to travel to London Heathrow Airport, with average flight prices from Helsinki averaging around £221.

On average, the least expensive day to fly to London Heathrow Airport from Helsinki is on a Saturday. momondo users have found tickets for Saturday departures for as low as £189. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Tuesday as prices are generally higher than usual. According to our data, the average ticket price to London Heathrow Airport on Tuesday is £337.

According to our data, the cheapest time of day to fly to London Heathrow Airport is in the evening. momondo users have found flights departing from Helsinki to London Heathrow Airport in the evening for as low as £156. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are £349 on average. Flights to London Heathrow Airport from Helsinki in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

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

You are more likely to see cheaper flights to London Heathrow Airport from Helsinki when booking weeks ahead of your departure date. In general, you can expect to find flights to London Heathrow Airport for around £247 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London Heathrow Airport from Helsinki for as low as £225 on momondo.

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

No. A direct flight is the cheapest option for a flight between Helsinki to London Heathrow Airport.

As of October 2026, prices for Helsinki to London Heathrow Airport flights are approximately 10% more expensive when compared to flights at the same time last year.

Historically, on average around 16% of flights between Helsinki and London have experienced a delay on any given week. The average delay length over the past 12 months has been 95 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. 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 16% of their flights experiencing any sort of delay.

Copenhagen (CPH) was the most common stop: 56% of momondo users choosing one-stop flights on this route connected there.

Flights via Stockholm (ARN) offer the lowest average return price of £187.

Flights connecting via Copenhagen (CPH) have the shortest average one-way travel time: 5h 39m.

Copenhagen (CPH) has the shortest average stopover time for this route: 1h 46m.

The number of flights available between Helsinki and London Heathrow Airport is 28 per day as of October 2026. The most frequent departure time is 08:00, with 60% of daily flights leaving in the afternoon.

As of October 2026, there are 202 flights per week flying from Helsinki to London Heathrow Airport. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.