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Cheap flights from London to Trondheim from £37

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — TRD
1 Jan — 8 Jan1
1 adult
1 adult, Economy, 0 bags

Find flight deals from London to Trondheim

Enter your travel dates to find the best prices.

Cheapest flights from London to Trondheim
Explore the most affordable flight options available from London to Trondheim. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 2 December 2025.

Thu 11/1220:10LGW - TRD
Nonstop2h 25mNorwegian
Sun 14/1217:50TRD - LGW
Nonstop2h 35mNorwegian
Deal found 30/11£107
Thu 11/1207:05LGW - TRD
2 stops23h 45mMultiple Airlines
Sun 14/1217:50TRD - LGW
Nonstop2h 35mMultiple Airlines
Deal found 30/11£136
Thu 11/1210:35LHR - TRD
1 stop10h 05mScandinavian Airlines
Sun 14/1217:15TRD - LHR
1 stop5h 20mScandinavian Airlines
Deal found 30/11£176
Wed 17/1219:50LHR - TRD
1 stop13h 15mScandinavian Airlines
Sun 21/1221:25TRD - LHR
1 stop22h 25mScandinavian Airlines
Deal found 1/12£184
Wed 10/1207:05LHR - TRD
1 stop11h 25mScandinavian Airlines
Sat 13/1215:25TRD - LHR
2 stops18h 30mScandinavian Airlines
Deal found 30/11£187
Tue 30/1206:40LHR - TRD
2 stops30h 35mScandinavian Airlines
Tue 6/113:05TRD - LHR
1 stop4h 20mScandinavian Airlines
Deal found 30/11£187
Thu 11/1216:20STN - TRD
1 stop16h 45mMultiple Airlines
Sun 14/1208:20TRD - STN
2 stops10h 40mMultiple Airlines
Deal found 30/11£192
Wed 10/1220:50LGW - TRD
1 stop17h 40mNorwegian
Sat 13/1215:00TRD - LGW
1 stop18h 35mNorwegian
Deal found 1/12£193
Wed 17/1206:25STN - TRD
1 stop9h 55mMultiple Airlines
Sun 21/1216:20TRD - STN
1 stop4h 40mMultiple Airlines
Deal found 1/12£236
Wed 17/1220:50LGW - TRD
1 stop17h 40mNorwegian
Sun 21/1220:30TRD - LGW
1 stop13h 05mNorwegian
Deal found 1/12£240
Wed 17/1220:50LGW - TRD
2 stops12h 00mMultiple Airlines
Sun 21/1221:25TRD - LGW
1 stop12h 10mMultiple Airlines
Deal found 1/12£257
Thu 11/1208:40LCY - TRD
1 stop6h 55mKLM
Sun 14/1206:15TRD - LCY
1 stop13h 10mKLM
Deal found 30/11£267

Cheap flight deals from London to Trondheim

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 2 December 2025.

Round-trip from

£82

One-way from

£37

Popular in

December

Cheapest in

January

Average price

£231

Good round-trip deal

£88 or less

Good one-way deal

£91 or less
Norwegian
  • Norwegian
  • 14/4-22/4
  • 2 total stops
  • 19h 05m total
  • London to Trondheim
Search Deals
Wizz Air
  • Wizz Air
  • 15/3
  • 1 total stop
  • 22h 25m total
  • London to Trondheim
Search Deals
High demand for flights, 7% potential price rise
Search Deals
Cheapest flight prices on average. 4% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from London (LON) to Trondheim Vaernes.
Search Deals
Price to beat on a one-way flight from London (LON) to Trondheim Vaernes.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 2 December 2025.
Use the filters below to find and compare flights from London to Trondheim that are best for you.

Fly from

London

Fly to

Trondheim

Route

Depart

Return

Price

LondonTrondheim

LGW - TRD

LGWTRD

London Gatwick

Tue 14/4

20:50-08:00

1 stop10h 10m

Trondheim Vaernes

Wed 22/4

06:30-14:25

1 stop8h 55m

£82

LondonTrondheim

STN - TRD

STNTRD

London Stansted

Mon 26/1

10:35-19:55

1 stop8h 20m

Trondheim Vaernes

Fri 30/1

08:25-18:55

1 stop11h 30m

£95

LondonTrondheim

LGW - TRD

LGWTRD

London Gatwick

Mon 26/1

17:40-11:35

1 stop16h 55m

Trondheim Vaernes

Fri 30/1

19:10-16:55

1 stop22h 45m

£100

LondonTrondheim

LGW - TRD

LGWTRD

London Gatwick

Wed 22/4

20:50-08:00

1 stop10h 10m

Trondheim Vaernes

Sun 26/4

08:10-09:50

Nonstop2h 40m

£103

LondonTrondheim

LTN - TRD

LTNTRD

London Luton

Mon 26/1

08:30-18:45

2 stops9h 15m

Trondheim Vaernes

Fri 30/1

08:25-20:55

1 stop13h 30m

£110

LondonTrondheim

LHR - TRD

LHRTRD

London Heathrow

Mon 26/1

06:40-14:20

1 stop6h 40m

Trondheim Vaernes

Fri 30/1

18:35-09:35

1 stop16h 00m

£110

LondonTrondheim

LGW - TRD

LGWTRD

London Gatwick

Sun 8/2

20:55-08:55

1 stop11h 00m

Trondheim Vaernes

Sun 15/2

17:50-19:25

Nonstop2h 35m

£113

LondonTrondheim

LGW - TRD

LGWTRD

London Gatwick

Tue 12/5

09:20-15:30

1 stop5h 10m

Trondheim Vaernes

Sun 17/5

08:10-09:50

Nonstop2h 40m

£114

LondonTrondheim

LGW - TRD

LGWTRD

London Gatwick

Sun 8/2

20:55-09:50

1 stop11h 55m

Trondheim Vaernes

Wed 18/2

08:00-08:35

1 stop25h 35m

£114

LondonTrondheim

LGW - TRD

LGWTRD

London Gatwick

Thu 15/1

14:55-07:50

2 stops15h 55m

Trondheim Vaernes

Thu 22/1

06:30-14:30

1 stop9h 00m

£116

Flights are sorted by cheapest return flights first.

Deals found on 1/12

Showing 1-10 of 60 results
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Best time to book a flight from London to Trondheim

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

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

Use this chart to determine the optimal time to book a return flight from London to Trondheim. Price data was last updated on 28 November 2025.

The best time to book flights from London to Trondheim is 52 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, November is the cheapest month in which you can book a flight from London to Trondheim (average of £54). Flying from London to Trondheim in August is currently the most expensive (average of £128). 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.

What is the cheapest time of day to fly from LON to TRD?

Find hourly flight availability from London to Trondheim. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 December 2025.

A simple way to save on the total cost of your ticket is to fly from London to Trondheim at midday. If you’re flexible enough to do this you can expect to save up to 50% on your trip compared to booking a flight in the afternoon.

How much does it cost for a return flight from London to Trondheim?

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

Share of one-stop return flights from London to Trondheim chosen by Cheapflights users in the past 12 months, using the same stopover each way.

Oslo (OSL) – chosen by Cheapflights users on 86% of one-stop itineraries from London to Trondheim on Cheapflights.

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

Average return fare for one-stop flights from London to Trondheim, chosen by Cheapflights users in the past 12 months, with the same stopover each way.

Oslo (OSL) is the most affordable one-stop option, with an average return flight price of £116.

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

Shortest average travel time for one-stop one-way flights from London to Trondheim, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by stopover airport.

Flights via Oslo (OSL) have the shortest average one-way travel time for one-stop routes: 4h 23m.

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

Average stopover duration for one-stop one-way flights from London to Trondheim, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Amsterdam (AMS) offer the fastest connection on this route, with an average stopover time of 1h 38m.

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 2 December 2025.
Get a feel of what it's like to fly with Norwegian and Scandinavian Airlines from London to Trondheim by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Norwegian
7.7
Good
240 reviews
Check prices

Overall

7.7

Food

6.6

Comfort

7.6

Crew

8.2

Entertainment

6.0

Boarding

7.7

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight
Norwegian
7.7
Good
240 reviews
Norwegian
7.7
Good
240 reviews
Check prices

Overall

7.7

Food

6.6

Comfort

7.6

Crew

8.2

Entertainment

6.0

Boarding

7.7

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight
Scandinavian Airlines
7.4
Good
1,591 reviews
Norwegian
7.7
Good
240 reviews
Check prices

Overall

7.7

Food

6.6

Comfort

7.6

Crew

8.2

Entertainment

6.0

Boarding

7.7

Reviews

1 / 2
10.0
Excellent

Kaisha,Apr 2025

BGO - OSL

Fast boarding via 3 groups, plane left and arrived early. My seat was quite hard but fine for a short domestic flight

Related info for your journey

Find useful and relevant information for your journey from London 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?

    Located just 16.4 mi from the city center, Trondheim Vaernes is the airport most travelers will use when flying to Trondheim from London. Booking flights from London to Vaernes (TRD) should be relatively easy as there are 0 daily inbound flights from London from 2 different airlines.

  • How long is the flight from London to Trondheim?

    There are many flights that can get you from London to Trondheim in 6h 40m. Fly via Norwegian, Scandinavian Airlines, or KLM to get the fastest option. The distance from London to Trondheim is about 926 mi. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines flying from London to Trondheim round-trip?

    Norwegian, at £79, was found to be the cheapest airline from London to Trondheim. An alternate airline flying to your destination would be Scandinavian Airlines. You may be able to fly from London to Trondheim for 51% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from London to Trondheim one-way?

    £37 is the cheapest one-way deal found within the past few days, from Wizz Air. You may also be able to find cheap deals on Norwegian and Scandinavian Airlines, with prices starting from £48 and £66, respectively.

  • What are the most popular routes from London to Trondheim?

    Most travelers choose London Heathrow - Trondheim Vaernes, London Gatwick - Trondheim Vaernes or London Stansted - Trondheim Vaernes when deciding on the best route from London to Trondheim.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 to Trondheim?

    Currently, November is the cheapest month in which you can book a flight from London to Trondheim (average of £54). Flying from London to Trondheim in August is currently the most expensive (average of £128). 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

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Alternative routes for London to Trondheim

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from London to Trondheim

Discover the top 2 airlines that operate flights from London 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 2 December 2025.
AirlineCheapestAverageFlexibilityOn-time
NorwegianCheapest£79Average£176FlexibilityNo cancel feeOn-time74%
Search Norwegian flights
Scandinavian AirlinesCheapest£113Average£163FlexibilityNo cancel feeOn-time77%
Search Scandinavian Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Deals for London to Trondheim flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Trondheim for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Trondheim from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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

Yes! Start tracking prices for London 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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