Cheap flights from Trondheim to London from $64

The cheapest month to fly to London from Trondheim is in May. Flight prices, which tend to average around $72, are often lower during this time because this is during the off-season. The month of September is another great option to travel to London, with average flight prices from Trondheim averaging around $77.

The cheapest day to depart from Trondheim to London is on a Thursday. Travelers who choose to depart for London on a Thursday will often find tickets for as low as $197. If your travel schedule is flexible, try to avoid departing on a Sunday because tickets tend to average around $410. These prices are subject to change though, so be sure to set up a Price Alert for flights to London.

Flying to London from Trondheim in the afternoon is the least expensive time of day to depart. momondo users have found prices as low as $197 when looking at flights departing in the afternoon. Flights to London are more costly in the morning, with an average ticket price of $410. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Trondheim Vaernes to London Gatwick for the best Trondheim Vaernes - London flight prices

You are more likely to see cheaper flights to London from Trondheim when booking weeks ahead of your departure date. In general, you can expect to find flights to London for around $260 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to London from Trondheim for as low as $183 on momondo.

No. A direct flight is the cheapest option for a flight between Trondheim to London.

As of May 2026, prices for Trondheim to London flights are approximately 10% more expensive when compared to flights at the same time last year.

Historically, on average around 13% of flights between Trondheim and London have experienced a delay on any given week. The average delay length over the past 12 months has been 88 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights in the early afternoon have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week which experiences the fewest number of delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

According to our data, Norwegian have had the least number of delays on this route over the last 12 months; with about 13% of their flights experiencing any sort of delay.