Cheapest one-way flights from Helsinki to Oslo in May from $57

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

One-Way flights

12 May airBaltic
04 May airBaltic
01 May airBaltic
23 May airBaltic
12 May Norwegian direct
02 May airBaltic
15 May Norwegian direct
21 May Norwegian direct
04 May Finnair direct
01 May Norwegian direct

Also check the deals for return 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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