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Cheap flights from Trondheim to London Heathrow Airport from £43

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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
TRD — LHR
18 Dec — 25 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Trondheim to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Trondheim (TRD) to Heathrow (LHR). 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 18 November 2025.

Round-trip from

£132

One-way from

£43

Popular in

April

Cheapest in

March

Average price

£152
Scandinavian Airlines
  • Scandinavian Airlines
  • 19/1-26/1
  • 4 total stops
  • 13h 05m total
  • Trondheim to London
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Scandinavian Airlines
  • Scandinavian Airlines
  • 9/2
  • 1 total stop
  • 5h 00m total
  • Trondheim to London
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (£6 potential increase over avg. return price).
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Cheapest flight prices on average. 5% potential price decrease (£8 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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Find flight deals from Trondheim to Heathrow

Enter your travel dates to find the best prices.

Cheapest flights from Trondheim to Heathrow
Explore the most affordable flight options available from Trondheim to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 November 2025.

Wed 31/1209:35TRD - LHR
1 stop6h 00mScandinavian Airlines
Wed 7/115:35LHR - TRD
1 stop5h 05mScandinavian Airlines
Deal found 16/11£137
Sun 21/1217:15TRD - LHR
1 stop5h 20mScandinavian Airlines
Wed 24/1219:50LHR - TRD
1 stop15h 40mScandinavian Airlines
Deal found 16/11£150
Sun 14/1208:20TRD - LHR
1 stop26h 15mScandinavian Airlines
Thu 25/1219:50LHR - TRD
1 stop24h 50mScandinavian Airlines
Deal found 17/11£153
Fri 12/1216:00TRD - LHR
1 stop6h 20mScandinavian Airlines
Mon 15/1210:35LHR - TRD
1 stop6h 25mScandinavian Airlines
Deal found 17/11£168
Sat 6/1213:30TRD - LHR
1 stop6h 00mScandinavian Airlines
Sun 14/1206:40LHR - TRD
1 stop7h 10mScandinavian Airlines
Deal found 17/11£172
Wed 3/1213:05TRD - LHR
2 stops6h 25mScandinavian Airlines
Sun 7/1206:40LHR - TRD
1 stop6h 30mScandinavian Airlines
Deal found 17/11£184

Cheapflights Fare Finder

 
Customise your flight search to find flights from Trondheim to Heathrow 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 18 November 2025.
Use the filters below to find and compare flights from Trondheim to London Heathrow Airport that are best for you.

Fly from

Trondheim

Fly to

Heathrow

Route

Depart

Return

Price

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Mon 19/1

10:45-16:25

2 stops6h 40m

London Heathrow

Mon 26/1

10:35-18:00

2 stops6h 25m

£132

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Fri 6/2

07:45-17:00

2 stops10h 15m

London Heathrow

Sun 8/2

06:40-18:00

2 stops10h 20m

£136

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Wed 31/12

09:35-14:35

1 stop6h 00m

London Heathrow

Wed 7/1

15:35-21:40

1 stop5h 05m

£137

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Mon 19/1

13:05-16:25

1 stop4h 20m

London Heathrow

Thu 22/1

07:05-15:30

1 stop7h 25m

£144

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Tue 6/1

13:05-18:30

2 stops6h 25m

London Heathrow

Sun 11/1

15:35-22:45

2 stops6h 10m

£145

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Thu 1/1

16:00-21:35

1 stop6h 35m

London Heathrow

Thu 8/1

10:35-16:20

1 stop4h 45m

£151

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Sun 14/12

08:20-09:35

1 stop26h 15m

London Heathrow

Thu 25/12

19:50-21:40

1 stop24h 50m

£153

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Mon 30/3

15:55-09:35

1 stop18h 40m

London Heathrow

Tue 31/3

15:35-21:25

1 stop4h 50m

£153

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Wed 31/12

09:35-14:35

1 stop6h 00m

London Heathrow

Sat 3/1

06:40-14:50

1 stop7h 10m

£154

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Thu 1/1

12:40-14:35

2 stops26h 55m

London Heathrow

Sun 4/1

06:40-16:40

1 stop9h 00m

£157

Flights are sorted by cheapest return flights first.

Deals found on 16/11

Showing 1-10 of 19 results
1
2

Best time to book a flight from Trondheim to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Trondheim 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 Trondheim to London Heathrow Airport

How far ahead should I book a flight from Trondheim to London Heathrow Airport?

Use this chart to determine the optimal time to book a return flight from Trondheim to Heathrow. Price data was last updated on 14 November 2025.

The price you pay for your flight from Trondheim to London Heathrow Airport may vary depending on when you book. For the best chance of a lower fare, look to book 83 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 Trondheim to London Heathrow Airport?

Currently, March is the cheapest month in which you can book a flight from Trondheim to London Heathrow Airport (average of £87). Flying from Trondheim to London Heathrow Airport in July is currently the most expensive (average of £150). 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.

Related info for your journey

Find useful and relevant information for your journey from Trondheim to Heathrow. 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 from for flights from Trondheim to London Heathrow?

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

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

    Departing from Trondheim to London Heathrow Airport will take you 6h 40m. There are 926 mi between Trondheim and London Heathrow Airport.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Trondheim to Heathrow 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 Trondheim to London Heathrow Airport?

    Currently, March is the cheapest month in which you can book a flight from Trondheim to London Heathrow Airport (average of £87). Flying from Trondheim to London Heathrow Airport in July is currently the most expensive (average of £150). 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

Travelling to a place near London Heathrow Airport?

Book flights to London Heathrow Airport if you plan to visit one of these locations
Milton Keynes
Croydon
Slough
Gatwick
Hounslow
Northampton
Luton
Ilford
Wembley
Deal
Hayes
Colchester
Watford
Winchester
Swindon
Crawley
Brentford
Romford
Chichester
Ipswich

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Trondheim to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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How does Cheapflights help users find flights from Trondheim to Heathrow?

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Millions of users choose and trust Cheapflights to book the best flight deals from Trondheim to Heathrow for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Trondheim to Heathrow with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Trondheim to Heathrow 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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