Cheapest return flights from Helsinki to Oslo in May from $98

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

Return flights

22 May - 26 May airBaltic
18 May - 26 May Norwegian direct
04 May - 11 May airBaltic
12 May - 18 May Norwegian direct
12 May - 26 May Norwegian direct
18 May - 01 Jun Norwegian direct
18 May - 08 Jun Norwegian direct
12 May - 01 Jun Norwegian direct
17 May - 23 May airBaltic
18 May - 24 May airBaltic
04 May - 05 May airBaltic
22 May - 24 May airBaltic
23 May - 26 May airBaltic
15 May - 30 Jun airBaltic
18 May - 07 Jun Norwegian direct
22 May - 01 Jun Norwegian direct
22 May - 08 Jun Norwegian direct
22 May - 10 Jun Norwegian direct
15 May - 01 Jun Norwegian direct
22 May - 07 Jun Norwegian direct

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

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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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