Cheapest one-way flights from Oslo to Helsinki in October from $45

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

One-Way flights

16 Oct Norwegian direct
08 Oct Norwegian direct
14 Oct Norwegian direct
07 Oct Norwegian direct
06 Oct Norwegian direct
21 Oct Norwegian direct
09 Oct Norwegian direct
30 Oct Norwegian direct
01 Oct Norwegian direct
27 Oct Norwegian direct

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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