Search for cheap flights and last-minute deals with Netflights. We've scanned all the flights from London Heathrow to Trondheim, across the three airlines that offer this route. We've found that 30 / Apr / 2025 is the cheapest date to travel at the moment, but it's best to go through the results to see which flight suits you.
There are 30 flights from London Heathrow to or via Trondheim every week. Out of the three available airlines, the most popular ones are Finnair, KLM & SAS. But that doesn’t necessarily mean they’ll be the best option for your travel dates. To see as many flights as possible, try widening your search to include other departure airports.
Your flight from London Heathrow to Trondheim will take at least 4 hrs 40 mins. On average, it takes 5 hrs 40 mins to fly the 1492 km distance. Take a look at flight times to see which one works best for you.
You can also search by month, which will reveal the cheapest time of the week to fly.