Cheapest return flights from Oslo to Helsinki in April from $77

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

02 Apr - 10 Apr Norwegian direct
03 Apr - 10 Apr Norwegian direct
07 Apr - 10 Apr Norwegian direct
07 Apr - 24 Apr Norwegian direct
23 Apr - 24 Apr Norwegian direct
08 Apr - 10 Apr Norwegian direct
08 Apr - 24 Apr Norwegian direct
10 Apr - 24 Apr Norwegian direct
02 Apr - 14 Apr Norwegian direct
02 Apr - 04 Apr Norwegian direct
25 Apr - 15 May Norwegian direct
24 Apr - 15 May Norwegian
25 Apr - 16 May Norwegian

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

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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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