Cheap flights from London to Helsinki from €89

The month of February is, on average, the cheapest month to fly to Helsinki from London, with most prices found around €96. If you are unable to visit Helsinki during the month of February, then departing from London during the month January is also very affordable. Most momondo users find prices during this month for around €108.

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

You are more likely to see cheaper flights to Helsinki from London when booking weeks ahead of your departure date. In general, you can expect to find flights to Helsinki for around €303 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Helsinki from London for as low as €237 on momondo.

There are 2 cabin classes available to choose from on London to Helsinki 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 London to Helsinki.

As of October 2026, prices for London to Helsinki flights are approximately 44% cheaper when compared to flights at the same time last year.

Historically, on average around 18% of flights between London and Helsinki have experienced a delay on any given week. The average delay length over the past 12 months has been 110 minutes.

Generally, flights departing at night 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, Ryanair have had the fewest delays on this route over the last 12 months, with about 13% of their flights experiencing any sort of delay.

As of October 2026, 25 flights take off from London and land in Helsinki each day. The most common flight departure time for this route is 10:00, with 50% of daily flights taking off at midday.

The number of flights available between London and Helsinki is 180 per week as of October 2026. The most frequent departure day is Tue, with 16% of weekly flights leaving on this day.