Cheapest one-way flights from Oslo to Helsinki in August from 47€

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

18 Aug Norwegian direct
19 Aug Norwegian direct
27 Aug Norwegian direct
14 Aug Norwegian direct
15 Aug Norwegian direct
13 Aug Norwegian direct
24 Aug Norwegian direct
07 Aug Norwegian direct
06 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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