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

Return flights

31 Mar - 02 Apr	Norwegian	direct
05 Mar - 08 Mar	Scandinavian Airlines
02 Mar - 05 Mar	Scandinavian Airlines	direct
05 Mar - 08 Mar	Icelandair	direct
01 Mar - 04 Mar	Icelandair	direct
07 Mar - 10 Mar	Icelandair	direct
04 Mar - 07 Mar	Icelandair	direct
03 Mar - 06 Mar	Icelandair	direct
08 Mar - 11 Mar	Icelandair	direct
06 Mar - 09 Mar	Icelandair	direct

Also check the deals for one-way flights from Reykjavik 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 Reykjavik to Oslo in March from $160

Return flights