Cheapest return flights from Oslo to Helsinki in October from $112

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

Return flights

30 Oct - 17 Nov Norwegian direct
13 Oct - 27 Oct Norwegian direct
13 Oct - 23 Oct Norwegian direct
13 Oct - 24 Oct Norwegian direct
13 Oct - 30 Oct Norwegian direct
13 Oct - 20 Oct Norwegian direct
13 Oct - 15 Oct Norwegian direct
21 Oct - 27 Oct Norwegian direct
21 Oct - 23 Oct Norwegian direct
21 Oct - 24 Oct Norwegian direct
21 Oct - 30 Oct Norwegian direct
21 Oct - 03 Nov Norwegian direct
21 Oct - 07 Nov Norwegian direct
16 Oct - 03 Nov Norwegian direct
14 Oct - 03 Nov Norwegian direct
30 Oct - 03 Nov Norwegian direct
30 Oct - 07 Nov Norwegian direct
13 Oct - 02 Nov Norwegian direct
21 Oct - 02 Nov Norwegian direct
16 Oct - 02 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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Feel free to contact us with any feedback or request another flight research.