Cheapest airlines flights from London to Helsinki

You can pick from 5 carriers that fly from London to Helsinki including Norwegian Air Sweden, Finnair, Ryanair, with Ryanair serving cheapest ticket on this route.

Search for direct flights from London to Helsinki in the next 3 months. Based on Trip.com's latest 7-day flight data, one-way direct flights start at TWD 985, and round-trip direct flights start at TWD 1,863.

Displayed flight fares from London to Helsinki are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

London to Helsinki Flight Details

The distance between London and Helsinki is about 1,828.47 km. The average flying time from London to Helsinki is around 2 hours 54 minutes. Based on Trip.com's latest data, travel demand is highest in July. The off-season for travel is November.

Cheapest one-way flight priceTWD 985
Cheapest return ticket priceTWD 1,863
Cheapest monthNovember
Peak season for travelJuly
Flight distance1,828.47 km
Average flight time2 hours 54 minutes
Popular airlineNorwegian Air International Ltd

When is the cheapest time to book flights from London to Helsinki?

The cheapest time to fly from London to Helsinki: Jan 18 to Jan 25 — one-way prices start at TWD 984.

Cheapest flights
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  • 714
  • 1421
  • 2128
  • Jan

    284
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  • 1825
  • Feb

    251
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  • Mar

    221
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • What are the cheapest flights from London to Helsinki (LON-HEL)?

    Based on Trip.com data, Ryanair offers one-way fares as low as TWD 985 on Cheapest nonstop routes (e.g. STN to HEL on Fri, Jan 23), while Ryanair offers Cheapest nonstop round-trips from TWD 1,863 departing on Mon, Jan 26 and returning on Sat, Jan 31.
  • At the moment, you can catch a nonstop flight from London to Helsinki with the following airlines, including: Norwegian Air International Ltd Ryanair Finnair Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes about 2 hours 54 minutes to fly from London to Helsinki.
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from London to Helsinki is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 14 flight per week flying from London to Helsinki. You can check the weekly schedule for popular airlines on this route below: Finnair: S/M/T/W/T/F/S -- AY1332 (10:46)
  • To find best deals on flights from London to Helsinki, you can use various tools on Trip.com:
    · Be flexible with your travel dates to get the cheapest flight deal. Now the cheapest flight deal is on Fri, Jan 23, with one-way flights priced at just TWD 985.
    · Compare airlines strategically. Budget carriers often provide the lowest base fares, while we found the most affordable airline currently operating on this route is Ryanair.
    · Set up price alerts to easily monitor ticket prices without having to check every day.
    · Check Trip.com flight deals and promo codes frequently.
    · Avoid peak season unless you book very early. It seems the peak season for Helsinki travel is around July.
    · Get exclusive promo codes for Trip.com app users.
  • The cheapest months to fly from London to Helsinki is November, when demand for travel is lower.
  • After crunching the numbers on our December flight calendar, it's currently cheapest to fly from London to Helsinki on December 31, 2025 with Ryanair, with prices starting at TWD 1,271.
  • You can land at any one of the following hubs in Helsinki, with Heathrow Airport to Helsinki Airport (LHR-HEL) is by far the most common option on this route: Helsinki Airport (HEL).
  • The time difference between Helsinki and London is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy. However, if the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.

Read before Taking Flights from London to Helsinki

If you’re looking to book cheap flights from London to Helsinki, Trip.com has you covered. Many people travel from London to Helsinki for the city’s world-famous sights, delicious Finnish cuisine and unrivalled shopping scene. A convenient destination, you can fly from London to Helsinki in just over 2 hours 55 mins, making it the perfect place for a short city break, or even a gateway to explore the rest of Finland. With prices starting from just £22, there’s never been a better time to book tickets from London to Helsinki and experience all that this incredible city has to offer.

How to find a cheap flights from London to Helsinki

Finding cheap flights from London to Helsinki is easy with our money-saving tips. You can secure the best deals by booking in advance, flying on a weekday rather than a weekend, going incognito when browsing for flights, and choosing to fly with better-priced budget airlines.

Airlines that fly from London to Helsinki

A few airlines offer direct flights from London to Helsinki, including British Airways, Finnair

Flight time from London to Helsinki

Helsinki lies a distance of miles from London, with flights taking around 2 hours 55 mins.

Departure from a London Airport to Helsinki

Flights from London Heathrow Airprot to Helsinki You can get a tube direct from the city centre to the airport. It takes approximately 45 minutes on the Piccadilly Line with prices starting from £5.50, or 30 minutes on the Elizabeth Line for £12.80. You can also get the Heathrow Express from London Paddington in 15 minutes from £5.50, or a 35-minute coach from London Victoria from £6.Flights from London Gatwick Airport to Helsinki The Gatwick Express offers a non-stop train from London Victoria in just 30 minutes for £19.90. Southern and Thameslink also offer trains, with prices starting from £11.30. You can also get a coach from London Victoria to Gatwick from £10 which takes 1.5-2 hours.Flights from London Stansted Airport to Helsinki The Stansted Express takes 50 minutes from London Liverpool street with prices from £9.90. You can also get the Airport Bus Express from here too, which takes around 1 hour and costs £12.Flights from London Luton Airport to Helsinki The Luton Airport Express from London St Pancras takes 32 minutes with tickets from £10, or from just £5, you can get a 1.5 hour National Express Coach from London Victoria.Flights from London City Airport to Helsinki You can get the DLR to London City Airport from Bank in around 20 minutes, with prices starting from just £3.Flights from London Southend Airport to Helsinki Greater Anglia and c2c offer trains from Liverpool street station to Southend airport in 52 minutes, with tickets starting from £20.10.