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Cheap flights from London Heathrow Airport to Trondheim from £81

LHR — TRD
30 Sep — 7 Oct1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Heathrow to Trondheim

Enter your travel dates to find the best prices.

Cheapest flights from Heathrow to Trondheim

Tue 13/1015:35 -
1 stop5h 00m
Tue 20/1007:55 -
1 stop7h 40m
Deal found 29/8£131
Fri 16/1007:05 -
1 stop6h 05m
Sun 18/1008:30 -
1 stop7h 05m
Deal found 27/8£132
Thu 15/1007:05 -
1 stop4h 20m
Sun 18/1009:30 -
1 stop6h 05m
Deal found 31/8£140
Thu 1/1007:05 -
1 stop4h 20m
Mon 12/1010:30 -
1 stop5h 05m
Deal found 30/8£141
Tue 29/907:05 -
1 stop4h 25m
Tue 6/1016:55 -
1 stop5h 40m
Deal found 30/8£143
Mon 12/1006:40 -
1 stop4h 55m
Mon 19/1016:45 -
1 stop5h 50m
Deal found 28/8£143
Thu 24/910:35 -
1 stop5h 40m
Thu 1/1006:25 -
1 stop9h 10m
Deal found 27/8£144
Thu 15/1010:35 -
1 stop4h 45m
Thu 22/1013:05 -
1 stop4h 55m
Deal found 31/8£145

Find flight deals from Heathrow to Trondheim

Round-trip from

£131

One-way from

£81

Popular in

June

Cheapest in

September

Average price

£205
Scandinavian Airlines
  • Scandinavian Airlines
  • 13/10-20/10
  • 2 total stops
  • 12h 40m total
  • London to Trondheim
Search Deals
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/9
  • 1 total stop
  • 8h 15m total
  • London to Trondheim
Search Deals
Highest demand for flights based on searches. 22% potential increase in price (£60 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 2026
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Cheapflights Fare Finder

 
Use the filters below to find and compare flights from London Heathrow Airport to Trondheim that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Fri 16/10

07:05-17:15

1 stop9h 10m

Trondheim Vaernes

Sun 18/10

14:05-18:50

1 stop5h 45m

£134

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Wed 14/10

07:05-15:20

1 stop7h 15m

Trondheim Vaernes

Sun 18/10

09:30-14:35

1 stop6h 05m

£141

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Tue 13/10

15:35-21:35

1 stop5h 00m

Trondheim Vaernes

Tue 20/10

07:55-12:55

2 stops6h 00m

£142

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Mon 12/10

06:40-12:35

1 stop4h 55m

Trondheim Vaernes

Sun 18/10

14:05-18:50

1 stop5h 45m

£154

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Mon 18/1

08:40-16:35

1 stop6h 55m

Trondheim Vaernes

Fri 22/1

20:05-09:35

1 stop14h 30m

£155

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Thu 1/10

07:05-12:25

1 stop4h 20m

Trondheim Vaernes

Mon 12/10

07:55-12:55

2 stops6h 00m

£163

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Fri 18/9

11:45-22:50

1 stop10h 05m

Trondheim Vaernes

Mon 21/9

12:10-19:25

1 stop8h 15m

£196
Fastest return journey

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Thu 5/11

15:35-21:45

1 stop5h 10m

Trondheim Vaernes

Mon 9/11

13:00-16:25

1 stop4h 25m

£207

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Sun 11/10

21:05-10:00

2 stops11h 55m

Trondheim Vaernes

Sun 18/10

05:30-12:55

2 stops8h 25m

£222

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Thu 24/9

09:55-17:55

2 stops7h 00m

Trondheim Vaernes

Thu 1/10

06:25-16:00

2 stops10h 35m

£233

Flights are sorted by cheapest return flights first.

Deals found on 30/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

Best time to book a flight from Heathrow to Trondheim

Have a flexible travel schedule? Discover the best time to fly to Trondheim from Heathrow with our price prediction graph.
Estimated return price

Cheapflights Insights

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

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

Airfare is below average for this route at the moment.

London Heathrow Airport to Trondheim flights typically cost between £166 and £188 in October.
The cheapest return price found within the last 5 days was £131 on Scandinavian Airlines (13 Oct–20 Oct).

Reviews of airlines servicing Trondheim

Check out reviews from past customers who have flown with Scandinavian Airlines from London Heathrow Airport to Trondheim to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Scandinavian Airlines
7.4
Good
1,968 reviews
Check prices

Overall

7.4

Food

6.8

Boarding

7.7

Comfort

7.4

Crew

8.0

Entertainment

6.8

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
1,968 reviews
Scandinavian Airlines
7.4
Good
1,968 reviews
Check prices

Overall

7.4

Food

6.8

Boarding

7.7

Comfort

7.4

Crew

8.0

Entertainment

6.8

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

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

    Most people fly into Trondheim Vaernes (TRD) if they book a flight to Trondheim from London Heathrow. On average, Vaernes has 0 inbound flights from London Heathrow per day from 1 airline. Trondheim Vaernes is conveniently located just 16.4 mi from Trondheim’s city center.

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

    A quick flight from London Heathrow Airport to Trondheim can take about 9h 10m. Scandinavian Airlines provides one of the quickest options available for as low as £134. The distance between London Heathrow Airport and Trondheim is about 926 mi.

  • What is the cheapest airline to fly from London Heathrow Airport to Trondheim round-trip?

    Flying on Scandinavian Airlines is currently your cheapest option to Trondheim, with prices starting at £117. You may be able to fly from London Heathrow Airport to Trondheim for 58% less than the average price by searching for this airline.

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

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

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

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

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

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

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Heathrow to Trondheim

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London City to Tromsø flights
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Southend to Oslo Gardermoen flights
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London City to Stavanger flights
Heathrow to Longyearbyen flights
Stansted to Trondheim flights
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Stansted to Stavanger flights
Heathrow to Bodø flights
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Stansted to Bodø flights
Gatwick to Ålesund flights
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London City to Bodø flights
Gatwick to Bodø flights
Luton to Trondheim flights
London City to Ålesund flights
Luton to Ålesund flights
Stansted to Ålesund flights
Heathrow to Haugesund flights
Luton to Longyearbyen flights
Heathrow to Alta flights
Heathrow to Kristiansand flights
Luton to Alta flights
London City to Sandefjord flights
Gatwick to Alta flights

Top airline flying from Heathrow to Trondheim

AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£117Average£189FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

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