Cheapest one-way flights from Oslo to Helsinki in October from $46

Best time to book flights for Oslo (OSL) to Helsinki (HEL) flights at AirHint

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

One-Way flights

14 Oct Norwegian direct
17 Oct Norwegian direct
02 Oct Norwegian direct
25 Oct Finnair
25 Oct Finnair 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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