Cheapest one-way flights from Oslo to Porto in May from $51

Best time to book flights for Oslo (OSL) to Porto (OPO) flights at AirHint

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

One-Way flights

12 May Norwegian direct
14 May Ryanair
06 May Ryanair
15 May Ryanair
10 May Vueling Airlines
26 May Vueling Airlines
05 May easyJet
16 May Norwegian direct
07 May Norwegian direct
17 May Vueling Airlines

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

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