Cheapest one-way flights from Oslo to Helsinki in August from $46

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

27 Aug Norwegian direct
01 Aug Norwegian direct
19 Aug Norwegian direct
06 Aug Norwegian direct
11 Aug Norwegian direct
04 Aug Norwegian direct
15 Aug Norwegian direct
14 Aug Norwegian direct
29 Aug Finnair 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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