Cheap flights from London-Heathrow to Trondheim
Cheap return flights from London-Heathrow to Trondheim
Find the best deals
All prices shown are per person based on return flights only. Prices found in the last 48 hours.
Trondheim flight facts
What you need to know
What are the cheapest airlines?
- Ryanair
- SAS
- Norwegian Air
These airlines usually offer the cheapest flights from London-Heathrow to Trondheim.
What airlines fly indirectly?
- KLM
- Lufthansa
- Air France
These airlines fly from London-Heathrow to Trondheim, but you’ll have at least one layover.
How long is the flight?
2 hours 30 minutes
This is the shortest flight time from London-Heathrow to Trondheim.
Alternative flights from the UK to Trondheim
Check out prices for other routes
Alternative flights from London-Heathrow
You might find cheaper flights nearby
Today alone, Netflights has searched over five flights. 05 / Feb / 2026 is currently the lowest priced day of the year to fly the London-Heathrow/Trondheim route. There are around 35 flights on any given week from the UK to Trondheim and the cheapest month to fly right now is February. Not suitable? Try running another search or viewing all cheap flight deals.
How to get cheap flights from London-Heathrow to Trondheim
Tips and advice from our flight experts
You've searched for flights from London-Heathrow to Trondheim. We've found 15 flights and compared offers to get you the best deal. On average, Ryanair is the cheapest airline for this route, so keep an eye on them. The cheapest offer we've found is a one-way ticket for the route London-Heathrow to Trondheim on 06/07/2026 at 02:20 for £69.
We've scanned hundreds of airfares from dozens of airlines across the globe. In total, we've found 8 airlines that operate the 1,200 km flight from London-Heathrow to Trondheim.
To find the best offers, consider booking 2-3 months in advance or looking for last-minute deals. Ryanair often provides affordable options for this route, and the average flight duration is about 2 hours 30 minutes. After selecting an offer, fill out your information and proceed to payment. Don't forget to check our flight + hotel service to book everything at once, saving you time and money.
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