Cheap flights from Helsinki to London from $91

The cheapest month to fly to London from Helsinki is in March. Flight prices, which tend to average around $136, 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 $147.

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 $246. If your travel schedule is flexible, try to avoid departing on a Wednesday because tickets tend to average around $456. 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 $179 when looking at flights departing in the evening. Flights to London are more costly at noon, with an average ticket price of $753. Departure times at noon fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Helsinki-Vantaa to London Gatwick 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 $327 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 $305 on momondo.

There are 4 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 September 2026, prices for Helsinki to London flights are approximately 7% cheaper when compared to flights at the same time last year.

Norwegian, airBaltic, and Finnair are the most popular carriers operating from Helsinki-Vantaa to London

Finnair, Scandinavian Airlines and Ryanair 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 48% 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 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 at night have, in the past, seen delays more frequently in comparison.

Monday is statistically the day of the week which experiences the fewest number of delays on this flight route. Sunday 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 16% of their flights experiencing any sort of delay.

As of September 2026, there are 29 flights per day flying from Helsinki to London. The most common time of day flights depart is 2:00PM, with 56% of flights taking off in the afternoon.

As of September 2026, there are 204 flights per week flying from Helsinki to London. The most common day of the week flights depart is Sun, with 17% of flights taking off on this day.