Cheapest one-way flights from Oslo to Helsinki in April from $45

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

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

One-Way flights

24 Apr Norwegian direct
29 Apr Norwegian direct
23 Apr Norwegian direct
03 Apr Norwegian direct
18 Apr Norwegian direct
01 Apr Norwegian
30 Apr Norwegian Air Sweden AOC
04 Apr airBaltic
07 Apr Norwegian direct
26 Apr airBaltic

Also check the deals for return 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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