Cheapest return flights from Helsinki to Oslo in August from 98€

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

Return flights

19 Aug - 01 Sep Norwegian direct
21 Aug - 01 Sep Norwegian direct
21 Aug - 10 Sep Norwegian direct
19 Aug - 20 Aug Norwegian direct
19 Aug - 09 Sep Norwegian direct
21 Aug - 09 Sep Norwegian direct
19 Aug - 02 Sep Norwegian direct
21 Aug - 02 Sep Norwegian direct
13 Aug - 20 Aug Norwegian Air Sweden AOC
19 Aug - 08 Sep Norwegian direct
21 Aug - 08 Sep Norwegian direct
27 Aug - 01 Sep Norwegian direct
25 Aug - 27 Aug airBaltic
18 Aug - 20 Aug airBaltic
19 Aug - 27 Aug Norwegian direct
21 Aug - 27 Aug Norwegian direct
18 Aug - 20 Aug Norwegian direct
21 Aug - 30 Aug airBaltic
29 Aug - 31 Aug airBaltic
22 Aug - 24 Aug airBaltic

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

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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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