Cheapest one-way flights from Helsinki to Oslo in September from 52€

AirHint found the following cheapest one-way flights from Helsinki (HEL) to Oslo (OSL) in September 2026 (see full year).

One-Way flights

11 Sep Norwegian direct
29 Sep Norwegian direct
20 Sep airBaltic
20 Sep Finnair direct

Also check the deals for return flights from Helsinki to Oslo in September.

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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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