Oslo to Helsinki flights (OSL–HEL) | Finnair

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Popular flights and flight offers from Oslo to Helsinki

OSL – HEL

Oslo - Helsinki

Mon 1 Sep 2025 – Thu 4 Sep 2025

From

1,633 NOK

Our cheapest flights from Oslo to Helsinki

OSL – HEL

Oslo - Helsinki

Mon 1 Sep 2025 – Thu 4 Sep 2025

From

1,633 NOK

Popular routes and flight deals