Cheapest return flights from Helsinki to Oslo in May from 84€

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

Return flights

05 May - 26 May Norwegian direct
05 May - 11 May Norwegian direct
12 May - 26 May Norwegian direct
12 May - 27 May Norwegian direct
20 May - 27 May Norwegian direct
20 May - 09 Jun Norwegian direct
28 May - 09 Jun Norwegian direct
28 May - 14 Jun Norwegian direct
05 May - 12 May Norwegian direct
05 May - 18 May Norwegian direct
12 May - 18 May Norwegian direct
26 May - 27 May Norwegian direct
18 May - 26 May Norwegian direct
26 May - 09 Jun Norwegian direct
26 May - 14 Jun Norwegian direct
28 May - 11 Jun Norwegian direct
22 May - 09 Jun Norwegian direct
26 May - 11 Jun Norwegian direct
22 May - 11 Jun Norwegian direct
28 May - 12 Jun Norwegian direct

Also check the deals for one-way 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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