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Cheap flights from London Heathrow Airport to Tromsø from £89

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/5. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TOS
22 May — 29 May1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Tromso/Langnes are usually found in November or January, booked 80 days in advance, depart on a Tuesday or Friday and return on a Monday

Cheap flight deals from Heathrow to Tromsø

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Tromsø
Explore the most affordable flight options available from Heathrow to Tromsø. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 22 April 2026.

Fri 22/519:50
LHR
-
TOS
1 stop19h 30m
Scandinavian Airlines
Thu 28/506:00
TOS
-
LHR
1 stop9h 35m
Scandinavian Airlines
Deal found 22/4£141
Wed 7/1017:30
LHR
-
TOS
1 stop15h 50m
Scandinavian Airlines
Wed 14/1020:45
TOS
-
LHR
1 stop13h 50m
Scandinavian Airlines
Deal found 22/4£141
Tue 19/515:35
LHR
-
TOS
1 stop5h 55m
Scandinavian Airlines
Tue 26/508:40
TOS
-
LHR
1 stop8h 45m
Scandinavian Airlines
Deal found 18/4£146
Mon 24/819:50
LHR
-
TOS
1 stop16h 40m
Scandinavian Airlines
Fri 28/820:20
TOS
-
LHR
1 stop14h 15m
Scandinavian Airlines
Deal found 20/4£149
Wed 27/507:05
LHR
-
TOS
1 stop5h 25m
Scandinavian Airlines
Wed 3/616:00
TOS
-
LHR
1 stop6h 35m
Scandinavian Airlines
Deal found 18/4£155
Fri 4/1207:05
LHR
-
TOS
1 stop15h 40m
Scandinavian Airlines
Sun 6/1219:20
TOS
-
LHR
1 stop15h 15m
Scandinavian Airlines
Deal found 20/4£156
Wed 20/507:05
LHR
-
TOS
1 stop7h 25m
Scandinavian Airlines
Wed 27/510:50
TOS
-
LHR
1 stop6h 35m
Scandinavian Airlines
Deal found 22/4£158
Tue 2/619:50
LHR
-
TOS
1 stop13h 30m
Scandinavian Airlines
Sat 6/616:55
TOS
-
LHR
1 stop24h 30m
Scandinavian Airlines
Deal found 20/4£158
Mon 26/1019:50
LHR
-
TOS
1 stop13h 40m
Scandinavian Airlines
Fri 30/1020:10
TOS
-
LHR
1 stop14h 25m
Scandinavian Airlines
Deal found 22/4£159
Tue 2/607:05
LHR
-
TOS
1 stop5h 25m
Scandinavian Airlines
Tue 9/610:50
TOS
-
LHR
1 stop11h 45m
Scandinavian Airlines
Deal found 19/4£162

Find flight deals from Heathrow to Tromsø

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Tromsø (TOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 April 2026.

Round-trip from

£141

One-way from

£89

Popular in

August

Cheapest in

November

Average price

£209
Scandinavian Airlines
  • Scandinavian Airlines
  • 22/5-28/5
  • 2 total stops
  • 29h 05m total
  • London to Tromsø
Search Deals
Scandinavian Airlines
  • Scandinavian Airlines
  • 22/5
  • 1 total stop
  • 8h 00m total
  • London to Tromsø
Search Deals
Highest demand for flights based on searches. 15% potential increase in price (£28 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£6 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Tromsø that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 April 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Tromsø that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Wed 2/9

19:50-10:20

1 stop13h 30m

Tromso/Langnes

Mon 7/9

19:10-09:35

1 stop15h 25m

£186

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Thu 3/9

17:30-10:20

1 stop15h 50m

Tromso/Langnes

Sun 6/9

19:00-09:35

1 stop15h 35m

£200
Fastest return journey

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Mon 14/9

07:05-13:30

1 stop5h 25m

Tromso/Langnes

Mon 28/9

19:10-09:35

1 stop15h 25m

£201
Cheapest one-way

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Tue 15/9

19:50-10:20

1 stop13h 30m

£93

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Tue 25/8

19:50-11:50

1 stop15h 00m

£93

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Mon 1/6

07:05-15:30

1 stop7h 25m

£107
Fastest single journey

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Wed 6/5

15:35-22:30

1 stop5h 55m

£107

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Wed 6/5

08:45-21:35

2 stops11h 50m

£110

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Sat 6/6

06:40-20:45

2 stops13h 05m

£117

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Thu 1/10

07:05-18:00

2 stops9h 55m

£131

Flights are sorted by cheapest return flights first.

Deals found on 21/4

Showing 1-10 of 14 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Tromsø

Have a flexible travel schedule? Discover the best time to fly to Tromsø from Heathrow with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from London Heathrow Airport to Tromsø

How far ahead should I book a flight from London Heathrow Airport to Tromsø?

Use this chart to determine the optimal time to book a return flight from Heathrow to Tromsø. Price data was last updated on 17 April 2026.

The price you pay for your flight from London Heathrow Airport to Tromsø may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from London Heathrow Airport to Tromsø?

Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Tromsø (average of £170). Flying from London Heathrow Airport to Tromsø in August is currently the most expensive (average of £295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from London Heathrow Airport to Tromsø?

Reviews of airlines servicing Tromsø

Get insights into the airlines that provide service to Tromsø. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Tromsø. Reviews last updated 22 April 2026.
Read reviews from past customers who have flown with Scandinavian Airlines and British Airways from London Heathrow Airport to Tromsø. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.3
Good
1,751 reviews
Check prices

Comfort

7.3

Food

6.7

Entertainment

6.7

Boarding

7.6

Crew

8.0

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2026

OSL - CPH

The flight was very short. The seats were very comfortable. No television or entertainment.
Scandinavian Airlines
7.3
Good
1,751 reviews
Scandinavian Airlines
7.3
Good
1,751 reviews
Check prices

Comfort

7.3

Food

6.7

Entertainment

6.7

Boarding

7.6

Crew

8.0

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2026

OSL - CPH

The flight was very short. The seats were very comfortable. No television or entertainment.
British Airways
6.7
Okay
7,905 reviews
Scandinavian Airlines
7.3
Good
1,751 reviews
Check prices

Comfort

7.3

Food

6.7

Entertainment

6.7

Boarding

7.6

Crew

8.0

Overall

7.3

Reviews

1 / 20
8.0
Excellent

Anonymous,Mar 2026

OSL - CPH

The flight was very short. The seats were very comfortable. No television or entertainment.

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Tromsø. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Tromsø from London Heathrow?

    For a flight from London Heathrow to Tromsø, you will be flying into Tromso/Langnes. Tromso/Langnes (TOS) is just 2.5 mi from the center of the city. Tromso/Langnes is the only Tromsø airport and it handles 0 inbound flights from London Heathrow per day. 2 airlines have flights to Tromso/Langnes from London Heathrow on a regular basis.

  • How long is the flight from London Heathrow Airport to Tromsø?

    Departing from London Heathrow Airport to Tromsø will take you 13h 30m. The distance from London Heathrow Airport to Tromsø is about 1404 mi.

  • What are the cheapest airlines flying from London Heathrow Airport to Tromsø round-trip?

    Cheapflights users have booked flights from London Heathrow Airport to Tromsø round-trip from £104. Another airline that can offer you cheap pricing is Scandinavian Airlines. British Airways is currently priced 50% below the average price you’ll pay for this route.

  • Can I find deals for flights from Heathrow to Tromsø that include hotel bookings?

    Yes. In addition to deals on Heathrow to Tromsø flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Tromsø?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Tromsø.

  • Can I find deals for business class flights from Heathrow to Tromsø?

    Yes. Cheapflights offers flight deals from Heathrow to Tromsø by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from London Heathrow Airport to Tromsø?

    Currently, November is the cheapest month in which you can book a flight from London Heathrow Airport to Tromsø (average of £170). Flying from London Heathrow Airport to Tromsø in August is currently the most expensive (average of £295). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Heathrow to Tromsø

Discover the top 2 airlines that operate flights from Heathrow to Tromsø. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 22 April 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£104Average£251FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£122Average£186FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Heathrow to Tromsø?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Heathrow to Tromsø. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Heathrow to Tromsø?

Cheapflights helps you find that perfect flight to Tromsø from Heathrow by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Heathrow to Tromsø with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Heathrow to Tromsø, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Heathrow to Tromsø become cheaper?

Yes, Cheapflights offers price alerts on Heathrow to Tromsø flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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