Cheapest one-way flights from Oslo to Helsinki in August from $49

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

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

One-Way flights

15 Aug Norwegian direct
25 Aug Norwegian direct
22 Aug Norwegian direct
06 Aug Norwegian direct
04 Aug Norwegian direct
14 Aug Norwegian direct
17 Aug Norwegian direct
10 Aug Norwegian direct
20 Aug Norwegian direct
12 Aug Norwegian direct

Also check the deals for return flights from Oslo to Helsinki 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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