Cheapest one-way flights from Oslo to Porto in May from $81

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

One-Way flights

27 May Ryanair
15 May Norwegian direct
18 May Norwegian direct
02 May Vueling Airlines
01 May Scandinavian Airlines
27 May Norwegian direct
13 May Vueling Airlines
29 May Norwegian direct
04 May Norwegian direct
01 May Norwegian direct

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

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