Cheapest one-way flights from Oslo to Helsinki in March from $35

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 March 2025 (see full year).

One-Way flights

09 Mar Norwegian direct
10 Mar Norwegian direct
07 Mar Norwegian direct
16 Mar Norwegian direct
20 Mar Norwegian direct
03 Mar Norwegian direct
14 Mar Norwegian direct
27 Mar Norwegian direct
24 Mar Norwegian direct
30 Mar Norwegian direct

Also check the deals for return flights from Oslo to Helsinki in March.

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.

Book a cheap hotel in Helsinki

Cheap car rent in Helsinki