Cheapest one-way flights from Oslo (OSL) to Helsinki (HEL), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
14 Sep Wizz Air
28 Sep Wizz Air
05 Sep Wizz Air
03 Sep Wizz Air
22 Sep Norwegian
Direct Flight
29 Sep Ryanair
29 Sep Norwegian
Direct Flight
20 Sep Ryanair
21 Sep Norwegian
Direct Flight
15 Sep Norwegian
Direct Flight
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deals for return flights from Oslo to Helsinki in September.

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Updated Jul 25, 2026.

About these fares

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