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

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

Return flights

04 May - 05 May Norwegian direct
31 May - 19 Jun Norwegian direct
31 May - 05 Jun Norwegian direct
31 May - 08 Jun Norwegian direct
05 May - 07 May Norwegian direct
05 May - 22 May Norwegian direct
04 May - 07 May Norwegian direct
04 May - 22 May Norwegian direct
31 May - 11 Jun Norwegian direct
31 May - 17 Jun Norwegian direct
22 May - 26 May Finnair direct
08 May - 28 May Norwegian direct
07 May - 22 May Norwegian direct
25 May - 28 May Norwegian direct
24 May - 28 May Norwegian direct
25 May - 05 Jun Norwegian direct
25 May - 08 Jun Norwegian direct
24 May - 05 Jun Norwegian direct
24 May - 08 Jun Norwegian direct
25 May - 11 Jun Norwegian direct

Also check the deals for one-way 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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