Cheapest one-way flights from Oslo to Helsinki in April from $57

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

One-Way flights

20 Apr Norwegian direct
28 Apr airBaltic
25 Apr airBaltic
19 Apr airBaltic
12 Apr Norwegian direct
12 Apr airBaltic
03 Apr airBaltic
28 Apr Norwegian direct
03 Apr Norwegian direct
15 Apr Norwegian direct

Also check the deals for return 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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