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Cheap flights from Trondheim to London Heathrow Airport from £48

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 4/4. Fares are subject to change and may not be available on all flights or dates of travel.
TRD — LHR
8 Feb — 15 Feb1
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 9 January 2026.

Round-trip from

£92

One-way from

£48

Popular in

April

Cheapest in

January

Average price

£148
Scandinavian Airlines
  • Scandinavian Airlines
  • 23/2-2/3
  • 2 total stops
  • 9h 10m total
  • Trondheim to London
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Scandinavian Airlines
  • Scandinavian Airlines
  • 4/4
  • 1 total stop
  • 14h 40m total
  • Trondheim to London
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£4 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease (£8 potential savings vs. average return price).
Search Deals
Average for round-trip flights in January 2026
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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 9 January 2026.

Fri 6/209:40TRD - LHR
1 stop5h 55mScandinavian Airlines
Sun 8/206:40LHR - TRD
1 stop8h 05mScandinavian Airlines
Deal found 8/1£94
Thu 5/213:05TRD - LHR
1 stop4h 20mScandinavian Airlines
Sun 8/206:40LHR - TRD
1 stop8h 05mScandinavian Airlines
Deal found 7/1£94
Fri 13/207:45TRD - LHR
1 stop7h 50mScandinavian Airlines
Fri 20/210:35LHR - TRD
1 stop4h 45mScandinavian Airlines
Deal found 7/1£97
Sat 31/105:30TRD - LHR
1 stop4h 50mScandinavian Airlines
Wed 4/210:35LHR - TRD
1 stop6h 25mScandinavian Airlines
Deal found 7/1£102
Thu 5/316:00TRD - LHR
2 stops6h 20mScandinavian Airlines
Sun 8/306:40LHR - TRD
1 stop9h 00mScandinavian Airlines
Deal found 8/1£103
Mon 16/216:50TRD - LHR
1 stop5h 45mScandinavian Airlines
Fri 20/207:05LHR - TRD
1 stop4h 25mScandinavian Airlines
Deal found 7/1£107
Thu 29/109:35TRD - LHR
1 stop6h 00mScandinavian Airlines
Sun 1/221:05LHR - TRD
1 stop16h 15mScandinavian Airlines
Deal found 7/1£114
Mon 26/115:10TRD - LHR
2 stops19h 25mScandinavian Airlines
Sun 1/206:40LHR - TRD
1 stop6h 30mScandinavian Airlines
Deal found 7/1£115
Sat 24/113:30TRD - LHR
1 stop6h 00mScandinavian Airlines
Thu 29/110:35LHR - TRD
1 stop4h 45mScandinavian Airlines
Deal found 8/1£123
Sun 15/208:20TRD - LHR
1 stop9h 05mScandinavian Airlines
Fri 20/207:05LHR - TRD
1 stop4h 25mScandinavian Airlines
Deal found 7/1£126

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 9 January 2026.
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

Thu 5/2

13:05-16:25

1 stop4h 20m

London Heathrow

Sun 8/2

06:40-15:45

1 stop8h 05m

£94

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Fri 13/2

07:45-14:35

1 stop7h 50m

London Heathrow

Fri 20/2

10:35-16:20

1 stop4h 45m

£97

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Thu 5/3

16:00-21:20

2 stops6h 20m

London Heathrow

Sun 8/3

06:40-16:40

1 stop9h 00m

£103

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Mon 16/2

14:45-18:50

1 stop5h 05m

London Heathrow

Tue 24/2

10:35-19:05

1 stop7h 30m

£107

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Mon 16/2

09:35-16:25

1 stop7h 50m

London Heathrow

Sat 21/2

06:40-12:55

1 stop5h 15m

£107

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Mon 26/1

15:10-09:35

2 stops19h 25m

London Heathrow

Sun 1/2

06:40-14:10

1 stop6h 30m

£115

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Sat 24/1

13:30-18:30

1 stop6h 00m

London Heathrow

Thu 29/1

10:35-16:20

1 stop4h 45m

£123

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Tue 3/3

09:35-18:50

1 stop10h 15m

London Heathrow

Thu 5/3

10:35-16:20

1 stop4h 45m

£133

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Tue 17/2

14:45-18:50

1 stop5h 05m

London Heathrow

Sun 22/2

17:30-22:50

1 stop4h 20m

£135

TrondheimLondon

TRD - LHR

TRDLHR

Trondheim Vaernes

Mon 16/2

16:50-21:35

1 stop5h 45m

London Heathrow

Sun 22/2

17:30-22:50

1 stop4h 20m

£135

Flights are sorted by cheapest return flights first.

Deals found on 8/1

Showing 1-10 of 18 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 2 January 2026.

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 78 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 £89). Flying from Trondheim to London Heathrow Airport in July is currently the most expensive (average of £184). 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 Trondheim to London Heathrow Airport?

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 4h 20m. 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 £89). Flying from Trondheim to London Heathrow Airport in July is currently the most expensive (average of £184). 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
Luton
Croydon
Northampton
Slough
Hounslow
Gatwick
Ilford
Wembley
Brentford
Hayes
Colchester
Watford
Crawley
Swindon
Kingston upon Thames
Bedford
Chelmsford
Eastbourne
Romford

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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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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