Cheapest one-way flights from Oslo to Helsinki in May from $43

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

One-Way flights

12 May Norwegian direct
04 May Norwegian direct
27 May Norwegian direct
11 May Norwegian direct
05 May Norwegian direct
28 May Norwegian direct
21 May Ryanair
10 May Ryanair
10 May Norwegian direct
16 May Ryanair

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

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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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