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Cheap flights from London Heathrow Airport to Trondheim from £77

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
28 Jun — 5 Jul1
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 29 May 2026.

Wed 1/719:50
LHR
-
TRD
1 stop12h 25m
Scandinavian Airlines
Fri 31/706:00
TRD
-
LHR
1 stop11h 25m
Scandinavian Airlines
Deal found 28/5£120
Wed 5/819:50
LHR
-
TRD
1 stop12h 25m
Scandinavian Airlines
Wed 12/818:25
TRD
-
LHR
1 stop4h 10m
Scandinavian Airlines
Deal found 29/5£125
Tue 4/807:05
LHR
-
TRD
1 stop6h 35m
Scandinavian Airlines
Sun 9/818:10
TRD
-
LHR
1 stop4h 25m
Scandinavian Airlines
Deal found 28/5£135
Tue 4/807:05
LHR
-
TRD
1 stop6h 35m
Scandinavian Airlines
Thu 6/815:15
TRD
-
LHR
1 stop4h 35m
Scandinavian Airlines
Deal found 28/5£141
Thu 9/719:50
LHR
-
TRD
1 stop12h 25m
Scandinavian Airlines
Thu 16/709:45
TRD
-
LHR
1 stop5h 50m
Scandinavian Airlines
Deal found 25/5£142
Wed 1/707:05
LHR
-
TRD
1 stop6h 35m
Scandinavian Airlines
Wed 29/706:00
TRD
-
LHR
1 stop9h 35m
Scandinavian Airlines
Deal found 26/5£144
Fri 10/710:35
LHR
-
TRD
1 stop8h 25m
Scandinavian Airlines
Fri 17/706:00
TRD
-
LHR
1 stop9h 35m
Scandinavian Airlines
Deal found 26/5£145
Fri 11/1210:35
LHR
-
TRD
1 stop6h 25m
Scandinavian Airlines
Tue 15/1206:25
TRD
-
LHR
1 stop9h 10m
Scandinavian Airlines
Deal found 26/5£147

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 29 May 2026.

Round-trip from

£120

One-way from

£77

Popular in

December

Cheapest in

September

Average price

£239
Scandinavian Airlines
  • Scandinavian Airlines
  • 1/7-31/7
  • 2 total stops
  • 23h 50m total
  • London to Trondheim
Search Deals
Scandinavian Airlines
  • Scandinavian Airlines
  • 3/7
  • 1 total stop
  • 5h 25m total
  • London to Trondheim
Search Deals
Highest demand for flights based on searches. 18% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 8% potential price decrease (£15 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 29 May 2026.
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 - TRD

LHRTRD

London Heathrow

Mon 17/8

10:35-16:10

1 stop4h 35m

Trondheim Vaernes

Fri 21/8

10:30-16:25

1 stop6h 55m

£151

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Thu 16/7

19:50-09:15

1 stop12h 25m

Trondheim Vaernes

Sun 19/7

18:10-21:35

1 stop4h 25m

£160

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Wed 1/7

06:40-14:40

2 stops7h 00m

Trondheim Vaernes

Fri 31/7

05:40-12:55

2 stops8h 15m

£227

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Wed 23/9

07:05-17:55

1 stop9h 50m

Trondheim Vaernes

Sun 27/9

05:40-17:40

1 stop13h 00m

£232

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Mon 20/7

17:30-23:10

1 stop4h 40m

Trondheim Vaernes

Fri 31/7

06:00-12:55

2 stops7h 55m

£234
Fastest return journey

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Fri 24/7

19:30-00:35

1 stop4h 05m

Trondheim Vaernes

Wed 29/7

15:15-18:50

1 stop4h 35m

£263

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Fri 24/7

07:05-17:00

1 stop8h 55m

Trondheim Vaernes

Sat 25/7

06:15-09:35

1 stop4h 20m

£274
Cheapest one-way

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Thu 2/7

07:05-14:40

1 stop6h 35m

£84
Fastest single journey

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Wed 8/7

17:30-23:10

1 stop4h 40m

£94

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Sun 12/7

17:30-23:25

1 stop4h 55m

£111

Flights are sorted by cheapest return flights first.

Deals found on 26/5

Showing 1-10 of 13 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
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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Trondheim (average of £133). Flying from London Heathrow Airport to Trondheim in December is currently the most expensive (average of £450). 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 29 May 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
7.4
Good
1,801 reviews
Check prices

Entertainment

6.7

Food

6.7

Comfort

7.3

Crew

8.0

Boarding

7.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.
Scandinavian Airlines
7.4
Good
1,801 reviews
Scandinavian Airlines
7.4
Good
1,801 reviews
Check prices

Entertainment

6.7

Food

6.7

Comfort

7.3

Crew

8.0

Boarding

7.6

Overall

7.4

Reviews

1 / 20
8.0
Excellent

Abouzar,May 2026

IST - CPH

Food menu was bad, I like how smooth flight it was.

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 4h 35m. Scandinavian Airlines provides one of the quickest options available for as low as £151. 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 £123. You may be able to fly from London Heathrow Airport to Trondheim for 48% 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, September is the cheapest month in which you can book a flight from London Heathrow Airport to Trondheim (average of £133). Flying from London Heathrow Airport to Trondheim in December is currently the most expensive (average of £450). 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 29 May 2026.
AirlineCheapestAverageFlexibilityOn-time
Scandinavian AirlinesCheapest£123Average£190FlexibilityNo 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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