Cheap flights from Helsinki to London from $57

The cheapest month to fly to London from Helsinki is in February. Flight prices, which tend to average around $127, are often lower during this time because this is during the off-season. The month of March is another great option to travel to London, with average flight prices from Helsinki averaging around $127.

The cheapest day to depart from Helsinki to London is on a Friday. Travelers who choose to depart for London on a Friday will often find tickets for as low as $307. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $461. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Helsinki in the evening is the least expensive time of day to depart. momondo users have found prices as low as $275 when looking at flights departing in the evening. Flights to London are more costly in the morning, with an average ticket price of $564. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $306 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Helsinki for as low as $280 on momondo.

There are 3 cabin classes available to choose from on Helsinki-Vantaa 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 March 2026, prices for Helsinki to London flights are approximately 24% cheaper when compared to flights at the same time last year.

Norwegian and Scandinavian Airlines 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 67% of people opting to fly with this airline when traveling to London. Keep in mind that there are 3 different airlines that fly to London on a routine basis, so you have a few additional options to choose from.

Historically, on average around 14% 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 99 minutes.

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

Friday is statistically the day of the week which experiences the fewest number of delays on this flight route. Saturday has historically seen more delays on average compared to the rest of the week.

According to our data, Ryanair have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.

Stockholm (ARN) was the most common stop: 38% of momondo users choosing 1-stop flights on this route connected there.

Flights via Riga (RIX) offer the lowest average round-trip price of $191.

Flights connecting via Amsterdam (AMS) have the shortest average one-way travel time: 4h 55m.

Amsterdam (AMS) has the shortest average layover time for this route: 1h 05m.

As of March 2026, there are 26 flights per day flying from Helsinki to London. The most common time of day flights depart is 7:00AM, with 55% of flights taking off in the afternoon.

As of March 2026, there are 183 flights per week flying from Helsinki to London. The most common day of the week flights depart is Sun, with 19% of flights taking off on this day.