Cheapest return flights from Helsinki to Oslo in August from 78€

Best time to book flights for Helsinki (HEL) to Oslo (OSL) flights at AirHint

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

Return flights

28 Aug - 09 Sep Norwegian direct
20 Aug - 09 Sep Norwegian direct
19 Aug - 09 Sep Norwegian direct
28 Aug - 31 Aug Norwegian direct
20 Aug - 31 Aug Norwegian direct
19 Aug - 31 Aug Norwegian direct
19 Aug - 20 Aug Norwegian direct
28 Aug - 15 Sep Norwegian direct
19 Aug - 22 Aug Norwegian direct
21 Aug - 09 Sep Norwegian direct
27 Aug - 09 Sep Norwegian direct
20 Aug - 28 Aug Norwegian direct
20 Aug - 21 Aug Norwegian direct
19 Aug - 28 Aug Norwegian direct
19 Aug - 21 Aug Norwegian direct
21 Aug - 31 Aug Norwegian direct
27 Aug - 15 Sep Norwegian direct
26 Aug - 09 Sep Norwegian direct
26 Aug - 15 Sep Norwegian direct
22 Aug - 09 Sep 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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