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Cheap flights from London Heathrow Airport to Tromsø from £73

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 30/10. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TOS
23 Jul — 30 Jul1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from London Heathrow to Tromso/Langnes are usually found in March or November, booked 34 days in advance, depart on a Friday or Tuesday 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 23 June 2026.

Wed 9/919:50
LHR
-
TOS
1 stop13h 30m
Scandinavian Airlines
Sat 12/919:05
TOS
-
LHR
1 stop15h 30m
Scandinavian Airlines
Deal found 20/6£146
Wed 19/819:50
LHR
-
TOS
1 stop16h 40m
Scandinavian Airlines
Sun 23/820:55
TOS
-
LHR
1 stop13h 40m
Scandinavian Airlines
Deal found 22/6£150
Wed 26/807:05
LHR
-
TOS
1 stop14h 25m
Scandinavian Airlines
Mon 31/819:10
TOS
-
LHR
1 stop15h 25m
Scandinavian Airlines
Deal found 20/6£151
Sat 12/1206:30
LHR
-
TOS
1 stop7h 15m
LOT
Tue 15/1215:45
TOS
-
LHR
1 stop26h 35m
LOT
Deal found 21/6£153
Wed 9/908:45
LHR
-
TOS
2 stops11h 50m
Multiple Airlines
Sat 12/919:05
TOS
-
LHR
1 stop22h 20m
Multiple Airlines
Deal found 20/6£155
Thu 13/807:05
LHR
-
TOS
1 stop14h 25m
Scandinavian Airlines
Wed 19/812:20
TOS
-
LHR
1 stop10h 15m
Scandinavian Airlines
Deal found 18/6£156
Wed 19/819:50
LHR
-
TOS
1 stop16h 40m
Scandinavian Airlines
Fri 21/820:20
TOS
-
LHR
1 stop14h 15m
Scandinavian Airlines
Deal found 20/6£159
Tue 18/807:05
LHR
-
TOS
1 stop14h 25m
Scandinavian Airlines
Tue 25/806:00
TOS
-
LHR
1 stop13h 50m
Scandinavian Airlines
Deal found 20/6£161
Thu 19/1117:30
LHR
-
TOS
1 stop5h 20m
Scandinavian Airlines
Sun 22/1114:45
TOS
-
LHR
1 stop7h 50m
Scandinavian Airlines
Deal found 22/6£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 23 June 2026.

Round-trip from

£146

One-way from

£73

Popular in

August

Cheapest in

March

Average price

£267

Good round-trip deal

£232 or less
Scandinavian Airlines
  • Scandinavian Airlines
  • 9/9-12/9
  • 2 total stops
  • 29h 00m total
  • London to Tromsø
Search Deals
British Airways
  • British Airways
  • 30/10
  • Nonstop
  • 3h 35m total
  • London to Tromsø
Search Deals
Highest demand for flights based on searches. 17% potential increase in price (£34 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in June 2026
Search Deals
Price to beat on a round-trip flight from London Heathrow to Tromso/Langnes.
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 23 June 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
Fastest return journey

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Fri 20/11

17:30-23:50

1 stop5h 20m

Tromso/Langnes

Fri 27/11

14:25-18:50

1 stop5h 25m

£187

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Thu 5/11

07:05-13:50

1 stop5h 45m

Tromso/Langnes

Sun 8/11

13:55-21:35

1 stop8h 40m

£202

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Wed 9/12

17:30-23:50

1 stop5h 20m

Tromso/Langnes

Wed 16/12

12:35-21:35

1 stop10h 00m

£202

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Wed 19/8

07:05-18:00

2 stops9h 55m

Tromso/Langnes

Sun 23/8

20:55-09:35

1 stop13h 40m

£208

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Mon 2/11

17:30-23:50

1 stop5h 20m

Tromso/Langnes

Thu 5/11

06:00-12:55

2 stops7h 55m

£222

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Thu 3/12

13:55-23:50

2 stops8h 55m

Tromso/Langnes

Sun 6/12

13:55-21:20

2 stops8h 25m

£225

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Thu 19/11

07:05-17:20

3 stops9h 15m

Tromso/Langnes

Sun 22/11

12:10-18:50

1 stop7h 40m

£233

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Wed 2/12

07:05-17:20

3 stops9h 15m

Tromso/Langnes

Sat 5/12

06:00-14:35

1 stop9h 35m

£244
Cheapest one-way
Fastest single journey

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Thu 17/12

15:35-23:50

1 stop7h 15m

£106

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Mon 28/9

07:05-18:00

2 stops9h 55m

£114

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 18 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?

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 33 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Tromsø (average of £165). Flying from London Heathrow Airport to Tromsø in August is currently the most expensive (average of £340). 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 23 June 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
7.4
Good
1,848 reviews
Check prices

Food

6.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
6.0
Good

lisa,May 2026

ALC - OSL

Uncomfortable seats on packed flight. There was plenty of overhead bin space. Cabin crew weren't friendly but the cockpit pointed out things we were flying over, like Paris. Cup of coffee, tea or water for 3.5hrs. Good de-planing from both ends.
Scandinavian Airlines
7.4
Good
1,848 reviews
Scandinavian Airlines
7.4
Good
1,848 reviews
Check prices

Food

6.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
6.0
Good

lisa,May 2026

ALC - OSL

Uncomfortable seats on packed flight. There was plenty of overhead bin space. Cabin crew weren't friendly but the cockpit pointed out things we were flying over, like Paris. Cup of coffee, tea or water for 3.5hrs. Good de-planing from both ends.
British Airways
6.7
Okay
8,064 reviews
Scandinavian Airlines
7.4
Good
1,848 reviews
Check prices

Food

6.7

Overall

7.4

Entertainment

6.7

Crew

8.0

Comfort

7.3

Boarding

7.7

Reviews

1 / 20
6.0
Good

lisa,May 2026

ALC - OSL

Uncomfortable seats on packed flight. There was plenty of overhead bin space. Cabin crew weren't friendly but the cockpit pointed out things we were flying over, like Paris. Cup of coffee, tea or water for 3.5hrs. Good de-planing from both ends.

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 5h 20m. 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 £107. 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.

  • What are the cheapest flights from London Heathrow Airport to Tromsø?

    The cheapest flight price from London Heathrow Airport to Tromsø is £181. On average you can expect to pay £346. The most popular route, (London Heathrow - Tromso/Langnes), can usually be booked for £146.

  • 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, March is the cheapest month in which you can book a flight from London Heathrow Airport to Tromsø (average of £165). Flying from London Heathrow Airport to Tromsø in August is currently the most expensive (average of £340). 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 23 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£107Average£256FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£127Average£193FlexibilityNo 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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