฿9,760 Cheap Finnair flights from London to Tromsø (LHR→TOS)

View ฿9,760 flight on Sat, 14 Feb 2026Opens in a new window
  • notification illustration

    Be in the know

    Get alerts if flight prices drop or rise*
  • deals illustration

    Book smarter

    Save up to 40% on select hotels after you book a flight*
  • trophy illustration

    Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Finnair flights from London to Tromsø (LHR→TOS)

Prices were available within the past 7 days and start at ฿9,760 for one-way flights and ฿19,195 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Finnair
Sat, 14 Feb - Mon, 16 Feb
LHR
London
TOS
Tromsø
฿19,195 Return, found 3 days ago
฿19,195
Return
found 3 days ago
Select Finnair flight, departing Sat, 14 Feb from London to Tromsø, returning Mon, 16 Feb, priced at ฿19,195 found 3 days ago
Flight from London to Tromsø route information
Origin airport
Heathrow
Destination airport
Langnes
Distance
2247 km
Average flight time
3 hours 40 mins

Frequently asked questions

How much is a Finnair flight from Heathrow Airport (LHR) to Langnes Airport (TOS)?
Set the "Price (lowest to highest)" filter on Expedia to search for cheap Finnair return flights from ฿19,195 from LHR to TOS. Affordable one-way fares from ฿9,760 are available as well.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
What is the cheapest month to fly from LHR to TOS with Finnair?
Look for return or one-way flights to Tromsø in May or April. You could find lower fares with Finnair during these off-peak months.
Does Finnair fly nonstop from Heathrow Airport (LHR) to Langnes Airport (TOS)?
Use our "Nonstop" filter when looking for direct Finnair flights from LHR to TOS. You can also compare other carriers servicing the same direct trip.
What airports does Finnair fly into in Tromsø?
Finnair flights from Heathrow Airport (LHR) to Tromsø land at Langnes Airport (TOS). This is the main gateway to this destination.
What kind of luggage can I take on a Finnair flight from Heathrow Airport (LHR) to Langnes Airport (TOS)?
Finnair lets passengers bring 1 checked-in bag weighing up to 23 kgs with dimensions not exceeding 157 centimetres on standard economy flights from LHR to TOS. You can also bring 1 cabin bag with you in the cabin. This hand luggage must not exceed 23 centimetres x 38 centimetres x 38 centimetres and weigh no more than 10 kgs. Baggage allowances can differ based on the fare type and cabin class, so double-check your booking or Finnair's website to avoid additional costs at the airport.
Can I change or cancel my Finnair flight from Heathrow Airport (LHR) to Langnes Airport (TOS)?
Depending on your fare type, a fee is typically charged if you change or cancel your booking more than 24 hours after it's been confirmed. To find plane tickets with more flexibility, select our "Changes included" and "No cancel fee" boxes when searching for flights. To learn more about cancelling or changing your reservation, visit "Trips," select your flight and tick "Manage Booking."
*Available to Expedia members.