Cheapest return flights from Helsinki to Oslo in March from $122

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

Return flights

31 Mar - 07 Apr Norwegian direct
31 Mar - 21 Apr Norwegian direct
31 Mar - 20 Apr Norwegian direct
31 Mar - 13 Apr Norwegian direct
30 Mar - 07 Apr Norwegian direct
30 Mar - 20 Apr Norwegian direct
30 Mar - 13 Apr Norwegian direct
29 Mar - 08 Apr airBaltic
01 Mar - 06 Mar airBaltic
21 Mar - 22 Mar airBaltic
26 Mar - 31 Mar airBaltic
20 Mar - 22 Mar airBaltic
11 Mar - 15 Mar airBaltic
12 Mar - 15 Mar airBaltic
26 Mar - 03 Apr airBaltic
16 Mar - 21 Mar airBaltic
19 Mar - 22 Mar airBaltic
31 Mar - 12 Apr Norwegian direct
05 Mar - 13 Mar Norwegian direct
05 Mar - 20 Mar Norwegian direct

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

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