Search and book Oslo to Helsinki flights
Popular flights and flight offers from Oslo to Helsinki
OSL – HEL
Oslo - Helsinki
Sun 21 Sep 2025 – Wed 24 Sep 2025
From
1,288 NOK Our cheapest flights from Oslo to Helsinki
OSL – HEL
Oslo - Helsinki
Sun 21 Sep 2025 – Wed 24 Sep 2025
From
1,288 NOK