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Cheap flights from London Heathrow Airport to Trondheim from £91

LHR — TRD
29 Oct — 5 Nov1
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

Sat 7/1114:05 -
1 stop8h 05m
Fri 13/1106:20 -
1 stop15h 30m
Deal found 26/9£143
Tue 10/1117:05 -
1 stop5h 05m
Tue 17/1113:00 -
1 stop4h 25m
Deal found 26/9£147
Fri 18/1207:05 -
1 stop6h 05m
Tue 29/1210:30 -
1 stop9h 20m
Deal found 24/9£149
Mon 9/1120:25 -
1 stop25h 45m
Mon 16/1106:20 -
1 stop5h 25m
Deal found 25/9£151
Thu 12/1106:30 -
1 stop15h 40m
Sun 15/1106:20 -
1 stop5h 25m
Deal found 28/9£152
Mon 9/1120:25 -
1 stop25h 45m
Mon 16/1116:35 -
1 stop6h 00m
Deal found 25/9£155
Wed 16/1207:05 -
1 stop4h 20m
Tue 29/1216:35 -
1 stop6h 00m
Deal found 24/9£159
Thu 17/1210:35 -
1 stop4h 25m
Tue 29/1216:35 -
1 stop6h 00m
Deal found 24/9£161
Fri 18/1206:40 -
1 stop5h 55m
Thu 31/1214:45 -
1 stop5h 05m
Deal found 24/9£162
Thu 12/1117:05 -
1 stop5h 05m
Sun 15/1111:45 -
1 stop8h 05m
Deal found 24/9£164
Thu 12/1107:05 -
1 stop9h 10m
Tue 17/1116:35 -
1 stop6h 00m
Deal found 27/9£165
Fri 13/1115:45 -
1 stop6h 25m
Fri 20/1115:55 -
1 stop6h 25m
Deal found 29/9£166

Find flight deals from Heathrow to Trondheim

Round-trip from

£143

One-way from

£91

Popular in

June

Cheapest in

September

Average price

£185
KLM
  • KLM
  • 7/11-13/11
  • 2 total stops
  • 23h 35m total
  • London to Trondheim
Search Deals
Scandinavian Airlines
  • Scandinavian Airlines
  • 18/12-31/12
  • 1 total stop
  • 7h 55m total
  • London to Trondheim
Search Deals
Highest demand for flights based on searches. 21% potential increase in price (£59 potential increase over avg. return price).
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Cheapest flight prices on average. 7% potential price decrease (£16 potential savings vs. average return price).
Search Deals
Average for round-trip flights in September 2026
Search Deals

Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Fri 18/12

07:05-16:00

1 stop7h 55m

Trondheim Vaernes

Wed 31/12

00:00-00:00

Nonstop0h 00m

£91

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Thu 11/2

07:05-16:00

1 stop7h 55m

Trondheim Vaernes

Wed 31/12

00:00-00:00

Nonstop0h 00m

£91
Fastest return journey

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Fri 16/10

15:35-22:45

1 stop6h 10m

Trondheim Vaernes

Wed 31/12

00:00-00:00

Nonstop0h 00m

£108

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Tue 20/10

21:05-16:20

2 stops18h 15m

Trondheim Vaernes

Wed 31/12

00:00-00:00

Nonstop0h 00m

£152

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Mon 12/10

19:30-09:40

1 stop13h 10m

Trondheim Vaernes

Wed 31/12

00:00-00:00

Nonstop0h 00m

£161

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Fri 13/11

15:45-23:10

1 stop6h 25m

Trondheim Vaernes

Fri 20/11

15:55-21:20

1 stop6h 25m

£166

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Sun 18/10

06:30-17:50

1 stop10h 20m

Trondheim Vaernes

Wed 31/12

00:00-00:00

Nonstop0h 00m

£170

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Sat 19/12

10:20-18:50

2 stops7h 30m

Trondheim Vaernes

Wed 31/12

00:00-00:00

Nonstop0h 00m

£170

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Fri 16/10

21:05-15:45

2 stops17h 40m

Trondheim Vaernes

Wed 31/12

00:00-00:00

Nonstop0h 00m

£176

LondonTrondheim

LHR London Heathrow - TRD Trondheim Vaernes

LHRTRD

London Heathrow

Thu 15/10

21:05-16:20

2 stops18h 15m

Trondheim Vaernes

Wed 31/12

00:00-00:00

Nonstop0h 00m

£176

Flights are sorted by cheapest return flights first.

Deals found on 24/9

Showing 1-10 of 18 resultsSorted by cheapest first
1
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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

What’s the top stopover airport for flights from London Heathrow Airport to Trondheim?

Oslo (OSL) – chosen by Cheapflights users on 95% of one-stop itineraries from London Heathrow Airport to Trondheim on Cheapflights.

What’s the cheapest stopover airport for flights from London Heathrow Airport to Trondheim?

Amsterdam (AMS) is the most affordable one-stop option, with an average return flight price of £200.

What’s the fastest stopover option from London Heathrow Airport to Trondheim?

Flights via Oslo (OSL) have the shortest average one-way travel time for one-stop routes: 4h 31m.

Which airport typically offers the quickest stopover for flights from London Heathrow Airport to Trondheim?

Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 1h 11m.

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
1,998 reviews
Check prices

Boarding

7.7

Crew

8.1

Comfort

7.4

Entertainment

6.8

Food

6.8

Overall

7.4

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
1,998 reviews
Scandinavian Airlines
7.4
Good
1,998 reviews
Check prices

Boarding

7.7

Crew

8.1

Comfort

7.4

Entertainment

6.8

Food

6.8

Overall

7.4

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 12h 15m. Scandinavian Airlines provides one of the quickest options available for as low as £195. 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 £119. 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

Top airline flying from Heathrow to Trondheim

AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£119Average£193FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

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