Cheapest one-way flights from Helsinki to Oslo in May from $52

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

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

One-Way flights

21 May Norwegian direct
07 May Norwegian direct
27 May Norwegian direct
20 May Norwegian direct
19 May airBaltic
22 May airBaltic
22 May Norwegian direct
13 May Norwegian direct
08 May Norwegian direct
15 May Norwegian Air Sweden AOC

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

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 Oslo

Cheap car rent in Oslo