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

Return flights

06 Mar - 08 Mar	Norwegian	direct
16 Mar - 16 Mar	Scandinavian Airlines	direct
06 Mar - 25 Mar	Norwegian	direct
05 Mar - 08 Mar	Norwegian	direct
05 Mar - 25 Mar	Norwegian	direct
06 Mar - 16 Mar	Norwegian Air Sweden AOC	direct
06 Mar - 26 Mar	Norwegian	direct
05 Mar - 16 Mar	Norwegian	direct
05 Mar - 26 Mar	Norwegian	direct
16 Mar - 25 Mar	Norwegian	direct

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

The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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Cheapest return flights from Copenhagen to Oslo in March from 90€

Return flights