Cheapest return flights from Oslo to Helsinki in May from 75€

Best time to book flights for Oslo (OSL) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from Oslo (OSL) to Helsinki (HEL) in May 2025 (see full year).

Return flights

05 May - 08 May Norwegian direct
05 May - 15 May Norwegian direct
05 May - 21 May Norwegian direct
05 May - 20 May Norwegian direct
01 May - 08 May Norwegian direct
18 May - 21 May Norwegian direct
18 May - 20 May Norwegian direct
16 May - 21 May Norwegian direct
16 May - 20 May Norwegian direct
18 May - 02 Jun Norwegian direct
16 May - 02 Jun Norwegian direct
05 May - 23 May Norwegian direct
25 May - 13 Jun Norwegian direct
25 May - 02 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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