Cheapest one-way flights from Oslo to Helsinki in October from $34

AirHint found the following cheapest one-way flights from Oslo (OSL) to Helsinki (HEL) in October 2025 (see full year).

One-Way flights

26 Oct Norwegian direct
23 Oct Norwegian direct
14 Oct Norwegian direct
13 Oct Norwegian direct
07 Oct Norwegian direct
06 Oct Norwegian direct
12 Oct Norwegian direct
28 Oct airBaltic
29 Oct airBaltic
18 Oct airBaltic

Also check the deals for return 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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