Cheapest return flights from Oslo to Helsinki in April from $144

AirHint found the following cheapest return flights from Oslo (OSL) to Helsinki (HEL) in April 2026 (see full year).

Return flights

20 Apr - 01 May Norwegian direct
20 Apr - 08 May Norwegian direct
13 Apr - 01 May Norwegian direct
13 Apr - 17 Apr Norwegian direct
03 Apr - 13 Apr Norwegian direct
28 Apr - 15 May Norwegian direct
23 Apr - 01 May Norwegian direct
23 Apr - 08 May Norwegian direct
24 Apr - 01 May Norwegian direct
24 Apr - 08 May Norwegian direct
03 Apr - 10 Apr Norwegian direct
03 Apr - 17 Apr Norwegian direct
15 Apr - 01 May Norwegian direct
28 Apr - 01 May Norwegian direct
15 Apr - 17 Apr Norwegian direct
13 Apr - 13 Apr Norwegian

Also check the deals for one-way flights from Oslo to Helsinki in April.

Powered by

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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki

Feel free to contact us with any feedback or request another flight research.