Cheapest one-way flights from Oslo to Helsinki in May from 35€

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

One-Way flights

12 May Norwegian direct
04 May Norwegian direct
02 May airBaltic
03 May airBaltic
01 May airBaltic
23 May airBaltic
22 May airBaltic
21 May Norwegian direct
03 May Finnair direct
22 May Finnair direct

Also check the deals for return flights from Oslo to Helsinki 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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