Search and book Oslo to Helsinki flights
Popular flights and flight offers from Oslo to Helsinki
OSL – HEL
Oslo - Helsinki
Mon 8 Sep 2025 – Thu 11 Sep 2025
From
1,632 NOK Our cheapest flights from Oslo to Helsinki
OSL – HEL
Oslo - Helsinki
Mon 8 Sep 2025 – Thu 11 Sep 2025
From
1,632 NOK