Cheapest return flights from Oslo to Helsinki in October from $90

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 October 2025 (see full year).

Return flights

08 Oct - 16 Oct Norwegian direct
06 Oct - 07 Oct Norwegian direct
06 Oct - 16 Oct Norwegian direct
13 Oct - 16 Oct Norwegian direct
07 Oct - 16 Oct Norwegian direct
26 Oct - 07 Nov Norwegian direct
08 Oct - 21 Oct Norwegian direct
06 Oct - 21 Oct Norwegian direct
13 Oct - 21 Oct Norwegian direct
07 Oct - 21 Oct Norwegian direct
08 Oct - 09 Oct Norwegian direct
19 Oct - 07 Nov Norwegian direct

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

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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