Cheapest return flights from Denver to Oslo in March from $400

AirHint found the following cheapest return flights from Denver (DEN) to Oslo (OSL) in March 2026 (see full year).

Return flights

24 Mar - 31 Mar Icelandair
09 Mar - 16 Mar Lufthansa
10 Mar - 16 Mar Lufthansa
10 Mar - 17 Mar Lufthansa
16 Mar - 24 Mar United

Also check the deals for one-way flights from Denver to Oslo in March.

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