Cheapest return flights from Oslo to Helsinki in April from $148

Best time to book flights for Oslo (OSL) to Helsinki (HEL) flights at AirHint

AirHint found the following cheapest return flights from Oslo (OSL) to Helsinki (HEL) in April 2025 (see full year).

Return flights

30 Apr - 20 May Norwegian direct
30 Apr - 08 May Norwegian direct
30 Apr - 13 May Norwegian direct
29 Apr - 07 May Norwegian direct
29 Apr - 08 May Norwegian direct
29 Apr - 13 May Norwegian direct
30 Apr - 14 May Norwegian
30 Apr - 21 May Norwegian
30 Apr - 15 May Norwegian direct
30 Apr - 05 May Norwegian
30 Apr - 30 Apr Norwegian
29 Apr - 29 Apr Norwegian

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

Skyscanner

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.

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