Cheapest return flights from Oslo to Helsinki in October from $125

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

Return flights

19 Oct - 26 Oct Norwegian direct
15 Oct - 26 Oct Norwegian direct
19 Oct - 27 Oct Norwegian direct
15 Oct - 27 Oct Norwegian

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

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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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