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

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

Return flights

19 Aug - 20 Aug Norwegian direct
19 Aug - 26 Aug Norwegian direct
19 Aug - 08 Sep Norwegian direct
19 Aug - 02 Sep Norwegian direct
19 Aug - 09 Sep Norwegian direct
19 Aug - 01 Sep Norwegian direct
27 Aug - 08 Sep Norwegian direct
27 Aug - 11 Sep Norwegian direct
27 Aug - 17 Sep Norwegian direct
27 Aug - 02 Sep Norwegian direct
27 Aug - 15 Sep Norwegian direct
27 Aug - 09 Sep Norwegian direct
20 Aug - 26 Aug Norwegian direct
07 Aug - 11 Aug airBaltic
07 Aug - 14 Aug airBaltic
11 Aug - 15 Aug airBaltic
15 Aug - 17 Aug airBaltic
12 Aug - 13 Aug airBaltic
23 Aug - 25 Aug airBaltic
19 Aug - 24 Aug Norwegian direct

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

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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