Cheap Flights from Helsinki to London from $40

Frequently Asked Questions

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

  Based on Trip.com data, Ryanair offers one-way fares as low as $40 on Cheapest nonstop routes (e.g. HEL to STN on Tue, Jul 21), while Ryanair offers Cheapest nonstop round-trips from $203 departing on Wed, Aug 5 and returning on Wed, Aug 12.

• Which airlines offer direct flights from Helsinki to London?

  At the moment, you can catch a nonstop flight from Helsinki to London with the following airlines, including: Ryanair Finnair Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.

• How long does it take to fly from Helsinki (HEL) to London (LON) and what is the distance?

  It takes around 3 hours 7 minutes to fly from Helsinki (HEL) to London (LON).

• When is the best time to book flights from Helsinki to London?

  By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Helsinki to London 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.

• How many flights are there per week from Helsinki to London?

  Based on Trip.com data in the past 4 weeks, there is 4 flight per week flying from Helsinki to London. You can check the weekly schedule for popular airlines on this route below: Finnair: S/M/T/W/T/F/S -- AY1335 (14:39)

• How can I find the best deals on flights from Helsinki to London?

  To find best deals on flights from Helsinki to London, 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 Tue, Jul 21, with one-way flights priced at just $40.
  · 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 London travel is around August.
  · Get exclusive promo codes for Trip.com app users.

• When are flight tickets from Helsinki (HEL) to London (LON) the cheapest?

  The cheapest months to fly from Helsinki to London is September, when demand for travel is lower.

• Which upcoming date is cheapest to fly from Helsinki to London on?

  After crunching the numbers on our June flight calendar, it's currently cheapest to fly from Helsinki to London on June 16, 2026 with Ryanair, with prices starting at $34.

• Which airports can I fly to for London from Helsinki?

  You can land at any one of the following hubs in London, with Helsinki Airport to Heathrow Airport (HEL-LHR) is by far the most common option on this route: Heathrow Airport (LHR) London Gatwick Airport (LGW) London City Airport (LCY) London Luton Airport (LTN) London Stansted Airport (STN) London Southend Airport (SEN).

• Is there any time difference between Helsinki and London?

  The time difference between London and Helsinki is 2h.

• How do I change or cancel my ticket from Helsinki to London?

  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.