Cheap flights from Helsinki to London from £51

The cheapest month to fly to London from Helsinki is in March. Flight prices, which tend to average around £103, are often lower during this time because this is during the off-season. The month of February is another great option to travel to London, with average flight prices from Helsinki averaging around £110.

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 £158. When flying out on a Tuesday, the most expensive travel day of the week, you can expect to see flight prices from Helsinki to London for around £291.

The cheapest time of day to fly to London is in the evening when flights can be purchased for as low as £136. Flights at midday are often more expensive, with an average ticket price of £308.

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

You are more likely to see cheaper flights to London from Helsinki when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around £249 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 Helsinki for as low as £228 on momondo.

There are 3 cabin classes available to choose from on Helsinki to London 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.

As of October 2026, prices for Helsinki to London flights are approximately 32% cheaper when compared to flights at the same time last year.

Norwegian and Ryanair are the most popular carriers operating from Helsinki-Vantaa to London

Finnair, Ryanair and Scandinavian Airlines are the top three most popular airlines that fly to London from Helsinki according to our data. Finnair is the first choice among our users, with 65% 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 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 97 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night 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 16% of their flights experiencing any sort of delay.

Stockholm (ARN) was the most common stop: 45% of momondo users choosing one-stop flights on this route connected there.

Flights via Stockholm (ARN) offer the lowest average return price of £128.

Flights connecting via Riga (RIX) have the shortest average one-way travel time: 4h 45m.

Riga (RIX) has the shortest average stopover time for this route: 1h 20m.

The number of flights available between Helsinki and London is 28 per day as of October 2026. The most frequent departure time is 08:00, with 53% of daily flights leaving in the afternoon.

As of October 2026, there are 196 flights per week flying from Helsinki to London. The most common day of the week flights depart is Thu, with 16% of flights taking off on this day.