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Cheap flights from London Heathrow Airport to Trondheim from £83

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 3/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — TRD
12 Mar — 19 Mar1
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
Explore the most affordable flight options available from Heathrow to Trondheim. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 February 2026.

Mon 30/310:35
LHR
-
TRD
1 stop6h 20m
Scandinavian Airlines
Mon 6/418:25
TRD
-
LHR
1 stop4h 10m
Scandinavian Airlines
Deal found 8/2£127
Wed 1/407:05
LHR
-
TRD
1 stop7h 15m
Scandinavian Airlines
Tue 7/416:55
TRD
-
LHR
1 stop5h 40m
Scandinavian Airlines
Deal found 9/2£132
Wed 22/407:05
LHR
-
TRD
1 stop8h 15m
Scandinavian Airlines
Sun 26/408:30
TRD
-
LHR
1 stop7h 05m
Scandinavian Airlines
Deal found 9/2£134
Fri 17/407:05
LHR
-
TRD
1 stop7h 15m
Scandinavian Airlines
Sun 19/414:05
TRD
-
LHR
1 stop5h 45m
Scandinavian Airlines
Deal found 9/2£136
Fri 1/507:05
LHR
-
TRD
1 stop7h 15m
Scandinavian Airlines
Mon 4/507:55
TRD
-
LHR
1 stop7h 40m
Scandinavian Airlines
Deal found 9/2£136
Fri 27/307:05
LHR
-
TRD
1 stop4h 25m
Scandinavian Airlines
Fri 3/414:45
TRD
-
LHR
1 stop5h 05m
Scandinavian Airlines
Deal found 10/2£140
Mon 17/817:30
LHR
-
TRD
1 stop4h 15m
Scandinavian Airlines
Fri 21/809:25
TRD
-
LHR
1 stop6h 10m
Scandinavian Airlines
Deal found 7/2£142
Thu 2/419:15
LHR
-
TRD
1 stop15h 20m
KLM
Sun 5/406:00
TRD
-
LHR
1 stop5h 45m
KLM
Deal found 9/2£145
Tue 10/310:00
LHR
-
TRD
1 stop5h 35m
KLM
Tue 17/317:10
TRD
-
LHR
1 stop15h 30m
KLM
Deal found 8/2£146
Tue 24/321:05
LHR
-
TRD
1 stop16h 15m
Scandinavian Airlines
Tue 31/309:25
TRD
-
LHR
1 stop8h 00m
Scandinavian Airlines
Deal found 6/2£150

Find flight deals from Heathrow to Trondheim

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Trondheim (TRD). 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 10 February 2026.

Round-trip from

£127

One-way from

£83

Popular in

December

Cheapest in

September

Average price

£187
Scandinavian Airlines
  • Scandinavian Airlines
  • 30/3-6/4
  • 2 total stops
  • 10h 30m total
  • London to Trondheim
Search Deals
Scandinavian Airlines
  • Scandinavian Airlines
  • 3/7
  • 1 total stop
  • 4h 50m total
  • London to Trondheim
Search Deals
Highest demand for flights based on searches. 20% potential increase in price (£44 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 9% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Heathrow to Trondheim 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 10 February 2026.
Use the filters below to find and compare flights from London Heathrow Airport to Trondheim that are best for you.

Fly from

Heathrow

Fly to

Trondheim

Route

Depart

Return

Price

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Mon 30/3

10:35-17:55

1 stop6h 20m

Trondheim Vaernes

Mon 6/4

18:25-21:35

1 stop4h 10m

£127

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Wed 1/4

07:05-15:20

1 stop7h 15m

Trondheim Vaernes

Tue 7/4

16:55-21:35

1 stop5h 40m

£132

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Wed 22/4

07:05-16:20

1 stop8h 15m

Trondheim Vaernes

Sun 26/4

08:30-14:35

1 stop7h 05m

£134

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Fri 1/5

07:05-15:20

1 stop7h 15m

Trondheim Vaernes

Mon 4/5

07:55-14:35

1 stop7h 40m

£136

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Fri 27/3

07:05-12:30

1 stop4h 25m

Trondheim Vaernes

Fri 3/4

14:45-18:50

1 stop5h 05m

£140

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Tue 10/3

10:00-16:35

1 stop5h 35m

Trondheim Vaernes

Tue 17/3

17:10-07:40

1 stop15h 30m

£146

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Tue 5/5

07:05-16:20

1 stop8h 15m

Trondheim Vaernes

Thu 21/5

09:25-16:25

1 stop8h 00m

£152

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Fri 22/5

07:05-14:10

1 stop6h 05m

Trondheim Vaernes

Mon 25/5

18:25-21:35

1 stop4h 10m

£153

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Fri 3/7

17:30-23:20

1 stop4h 50m

£83

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Mon 13/4

07:05-14:10

1 stop6h 05m

£84

Flights are sorted by cheapest return flights first.

Deals found on 7/2

Showing 1-10 of 18 results
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
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 Trondheim

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

Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Trondheim (average of £58). Flying from London Heathrow Airport to Trondheim in August is currently the most expensive (average of £257). 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 Trondheim?

Reviews of airlines servicing Trondheim

Get insights into the airlines that provide service to Trondheim. 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 Trondheim. Reviews last updated 10 February 2026.
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
7.3
Good
1,679 reviews
Check prices

Boarding

7.6

Comfort

7.3

Food

6.6

Crew

8.0

Overall

7.3

Entertainment

6.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that
Scandinavian Airlines
7.3
Good
1,679 reviews
Scandinavian Airlines
7.3
Good
1,679 reviews
Check prices

Boarding

7.6

Comfort

7.3

Food

6.6

Crew

8.0

Overall

7.3

Entertainment

6.6

Reviews

1 / 20
2.0
Mediocre

Anonymous,Dec 2025

SFO - CPH

Flight was changed causing 5 hour layover in Copenhagen And no accommodations were made to account for this at the lounge or anything like that

Related info for your journey

Find useful and relevant information for your journey from Heathrow to Trondheim. 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 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 6h 20m. Scandinavian Airlines provides one of the quickest options available for as low as £127. 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 £110. You may be able to fly from London Heathrow Airport to Trondheim for 51% 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.

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

    Currently, May is the cheapest month in which you can book a flight from London Heathrow Airport to Trondheim (average of £58). Flying from London Heathrow Airport to Trondheim in August is currently the most expensive (average of £257). 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 airline flying from Heathrow to Trondheim

Discover the top airline that operate flights from Heathrow to Trondheim. 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 10 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£110Average£228FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

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

Cheapflights makes it easy to find Heathrow to Trondheim flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from Heathrow to Trondheim flexibly with Cheapflights today.

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

Yes! Start tracking prices for Heathrow to Trondheim flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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