Cheap flights from Oslo to Trondheim from $59 OSL, TRF → TRD

Found recently, and the cheapest we hold

It is also the cheapest return we hold, of any age.

What have prices looked like?

Over 49 days, 24 Sept to 11 Nov, the cheapest return we saw each day was $53 to $143.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other 21-night return fares leaving within 3 days of 18 Feb 2027 to compare.

Every date we hold

60 fares on 2 departure dates

Which month looks cheapest?

February 2027 is the cheapest month — from $102.

Found recently, and the cheapest we hold

It is also the cheapest one-way we hold, of any age.

What have prices looked like?

Over 42 days, 24 Sept to 11 Nov, the cheapest one-way we saw each day was $27 to $106.

Those were the prices on those days, not today's.

Could nearby dates be cheaper?

We hold no other one-way fares leaving within 3 days of 13 Jan 2027 to compare.

Every date we hold

6 fares on 3 departure dates

Which month looks cheapest?

January 2027 is the cheapest month — from $59.

Return

Fares 60 to 89 days before departure were typically 36% lower than 0 to 6 days before departure.

From the cheapest return each day between 24 Sept and 11 Nov (49 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

One-way

The cheapest fares were 0 to 6 days before departure.

From the cheapest one-way each day between 24 Sept and 11 Nov (42 days), grouped by how many days ahead the flight left; one adult in economy.

Each range covers different departure dates, so this compares typical fares, not the same trip priced twice.

Prices reflect recent searches — current fares may differ.

How much is a return flight from Oslo to Trondheim?

The cheapest return found recently is $102 with SAS Scandinavian, 18 Feb 2027 to 11 Mar 2027, found 3 days ago.

How much is a one-way flight from Oslo to Trondheim?

The cheapest one-way found recently is $59 with SAS Scandinavian, 13 Jan 2027, found 3 days ago. The cheapest one-way fare on each of 3 departure dates is usually $62 to $72.

What is the cheapest month to fly from Oslo to Trondheim?

February 2027 is the cheapest month for a return, from $102, 18 Feb 2027 to 11 Mar 2027, found 3 days ago. January 2027 is the cheapest month for a one-way, from $59, 13 Jan 2027, found 3 days ago.

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

In 49 days of prices between 24 Sept and 11 Nov, return fares 60 to 89 days before departure were typically 36% lower than 0 to 6 days before departure. In 42 days of prices between 24 Sept and 11 Nov, one-way fares were cheapest 0 to 6 days before departure.

Is there a direct flight from Oslo to Trondheim?

Yes, the cheapest nonstop return found recently is $102 with SAS Scandinavian, 18 Feb 2027 to 11 Mar 2027, found 3 days ago. The cheapest nonstop one-way found recently is $59 with SAS Scandinavian, 13 Jan 2027, found 3 days ago.

How long is the flight from Oslo to Trondheim?

The cheapest nonstop one-way found recently, with SAS Scandinavian on 13 Jan 2027, takes 1 h from Oslo Airport Gardermoen (OSL) to Trondheim Airport Vaernes (TRD).

Which airlines have the cheapest flights from Oslo to Trondheim?

Between 13 Jan 2027 and 31 Mar 2027, SAS Scandinavian has the cheapest one-way on 2 of the 3 departure dates we hold, and Norwegian Air Shuttle on 1.