Cheapest return HEL–OSL flights, October

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

Return flights

01 Oct - 05 Oct airBaltic
01 Oct - 04 Oct airBaltic
09 Oct - 11 Oct airBaltic
08 Oct - 12 Oct airBaltic
12 Oct - 15 Oct airBaltic
09 Oct - 16 Oct airBaltic
09 Oct - 17 Oct airBaltic
26 Oct - 01 Nov airBaltic
08 Oct - 12 Oct Norwegian direct
06 Oct - 14 Oct Norwegian direct
06 Oct - 11 Oct Norwegian direct
26 Oct - 15 Nov Norwegian Air Sweden AOC direct
26 Oct - 16 Nov Norwegian Air Sweden AOC direct
29 Oct - 15 Nov Norwegian Air Sweden AOC direct
29 Oct - 16 Nov Norwegian Air Sweden AOC direct
29 Oct - 01 Nov Norwegian Air Sweden AOC direct
13 Oct - 01 Nov Norwegian direct
26 Oct - 01 Nov Norwegian Air Sweden AOC direct
11 Oct - 01 Nov Norwegian direct

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