Cheapest return flights from Oslo to Helsinki in May from $86

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

12 May - 28 May Norwegian direct
27 May - 12 Jun Norwegian direct
27 May - 28 May Norwegian direct
13 May - 28 May Norwegian direct
06 May - 07 May Norwegian direct
27 May - 11 Jun Norwegian direct
14 May - 28 May Norwegian direct
12 May - 21 May Norwegian direct
12 May - 20 May Norwegian direct
12 May - 13 May Norwegian direct
12 May - 27 May Norwegian direct
27 May - 10 Jun Norwegian direct
07 May - 21 May Norwegian direct
26 May - 12 Jun Norwegian direct
26 May - 11 Jun Norwegian direct
28 May - 12 Jun Norwegian direct
28 May - 11 Jun Norwegian direct
22 May - 11 Jun Norwegian direct
26 May - 10 Jun Norwegian direct
21 May - 10 Jun Norwegian direct

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

Skyscanner

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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