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Cheap flights from London Heathrow Airport to Tromsø from £72

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 30/11. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TOS
4 Jul — 11 Jul1
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 34 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 4 June 2026.

Thu 22/1017:30
LHR
-
TOS
1 stop15h 50m
Scandinavian Airlines
Sun 25/1019:20
TOS
-
LHR
1 stop15h 15m
Scandinavian Airlines
Deal found 1/6£123
Fri 13/1117:30
LHR
-
TOS
1 stop15h 35m
Scandinavian Airlines
Tue 17/1111:10
TOS
-
LHR
1 stop8h 40m
Scandinavian Airlines
Deal found 31/5£126
Fri 18/915:35
LHR
-
TOS
1 stop5h 45m
Scandinavian Airlines
Sun 20/920:55
TOS
-
LHR
1 stop13h 40m
Scandinavian Airlines
Deal found 31/5£127
Wed 16/906:40
LHR
-
TOS
1 stop9h 25m
Scandinavian Airlines
Wed 23/912:20
TOS
-
LHR
1 stop10h 15m
Scandinavian Airlines
Deal found 1/6£127
Thu 24/1207:05
LHR
-
TOS
1 stop8h 25m
Scandinavian Airlines
Thu 7/120:15
TOS
-
LHR
1 stop14h 20m
Scandinavian Airlines
Deal found 31/5£132
Sun 8/1108:10
LHR
-
TOS
Nonstop3h 35m
Multiple Airlines
Wed 11/1112:35
TOS
-
LHR
1 stop10h 00m
Multiple Airlines
Deal found 1/6£137
Thu 24/1207:05
LHR
-
TOS
1 stop8h 25m
Scandinavian Airlines
Tue 5/120:15
TOS
-
LHR
1 stop14h 20m
Scandinavian Airlines
Deal found 31/5£138
Fri 13/1109:20
LHR
-
TOS
Nonstop3h 35m
Multiple Airlines
Tue 17/1114:25
TOS
-
LHR
1 stop8h 10m
Multiple Airlines
Deal found 31/5£140
Wed 8/707:05
LHR
-
TOS
1 stop25h 45m
Scandinavian Airlines
Fri 31/706:00
TOS
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 31/5£141
Fri 25/915:35
LHR
-
TOS
1 stop5h 45m
Scandinavian Airlines
Wed 30/918:50
TOS
-
LHR
3 stops20h 45m
Scandinavian Airlines
Deal found 1/6£147
Wed 9/1207:05
LHR
-
TOS
1 stop5h 45m
Scandinavian Airlines
Wed 16/1211:10
TOS
-
LHR
1 stop8h 40m
Scandinavian Airlines
Deal found 1/6£149

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 4 June 2026.

Round-trip from

£123

One-way from

£72

Popular in

August

Cheapest in

November

Average price

£270
Scandinavian Airlines
  • Scandinavian Airlines
  • 22/10-25/10
  • 2 total stops
  • 31h 05m total
  • London to Tromsø
Search Deals
British Airways
  • British Airways
  • 30/11
  • Nonstop
  • 3h 40m total
  • London to Tromsø
Search Deals
Highest demand for flights based on searches. 13% potential increase in price (£24 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 June 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 4 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

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Fri 20/11

10:35-23:50

1 stop12h 15m

Tromso/Langnes

Fri 27/11

20:15-09:35

1 stop14h 20m

£150

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Thu 3/9

07:05-13:30

1 stop5h 25m

Tromso/Langnes

Sun 6/9

20:55-09:35

1 stop13h 40m

£151

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Tue 1/12

17:30-10:35

1 stop16h 05m

Tromso/Langnes

Fri 4/12

20:15-09:35

1 stop14h 20m

£175

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Thu 5/11

06:40-16:30

2 stops8h 50m

Tromso/Langnes

Sun 8/11

14:45-21:35

1 stop7h 50m

£197
Fastest return journey

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Wed 8/7

06:30-14:30

1 stop7h 00m

Tromso/Langnes

Wed 15/7

14:55-22:40

1 stop8h 45m

£204

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Wed 2/9

10:35-22:30

1 stop10h 55m

Tromso/Langnes

Mon 7/9

11:55-18:50

2 stops7h 55m

£223

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Thu 19/11

13:55-23:50

2 stops8h 55m

Tromso/Langnes

Sun 22/11

07:30-16:25

1 stop9h 55m

£223
Cheapest one-way
Fastest single journey

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Fri 27/11

09:20-13:55

Nonstop3h 35m

£76

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Mon 30/11

07:45-12:25

Nonstop3h 40m

£76

LondonTromsø

LHR - TOS

LHRTOS

London Heathrow

Sun 29/11

08:10-12:45

Nonstop3h 35m

£76

Flights are sorted by cheapest return flights first.

Deals found on 2/6

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?

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, November is the cheapest month in which you can book a flight from London Heathrow Airport to Tromsø (average of £172). Flying from London Heathrow Airport to Tromsø in August is currently the most expensive (average of £296). 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 4 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
1,806 reviews
Check prices

Overall

7.4

Entertainment

6.7

Food

6.7

Crew

8.0

Boarding

7.6

Comfort

7.3

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
1,806 reviews
Scandinavian Airlines
7.4
Good
1,806 reviews
Check prices

Overall

7.4

Entertainment

6.7

Food

6.7

Crew

8.0

Boarding

7.6

Comfort

7.3

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
8,026 reviews
Scandinavian Airlines
7.4
Good
1,806 reviews
Check prices

Overall

7.4

Entertainment

6.7

Food

6.7

Crew

8.0

Boarding

7.6

Comfort

7.3

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 7h. The distance from London Heathrow Airport to Tromsø is about 1404 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 £106. Another airline that can offer you cheap pricing is Scandinavian Airlines. British Airways is currently priced 49% 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 £172). Flying from London Heathrow Airport to Tromsø in August is currently the most expensive (average of £296). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 4 June 2026.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£106Average£253FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Scandinavian AirlinesCheapest£125Average£189FlexibilityNo 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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