Most travellers find the cheapest return flights to Trondheim when choosing a flight departing in January.
In general, most flyers find the cheapest time to book a flight to Trondheim is about 51 days prior.
From most locations, the cheapest flights to Trondheim are found on a Friday. Booking a Sunday departure is usually the most expensive.
Our data shows that the cheapest Trondheim flights are usually those with afternoon departure times. evening flights are often costlier.