Cheapest return flights from Oslo to Porto in May from 148€

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

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

Return flights

09 May - 14 May Ryanair
10 May - 15 May Ryanair
14 May - 16 May Ryanair
08 May - 11 May Ryanair
12 May - 14 May Norwegian direct
03 May - 07 May Vueling Airlines
16 May - 18 May Ryanair
03 May - 14 May Vueling Airlines
28 May - 18 Jun Vueling Airlines
05 May - 07 May Norwegian direct
26 May - 13 Jun Vueling Airlines
12 May - 30 May Norwegian direct
30 May - 18 Jun Norwegian direct
26 May - 06 Jun Vueling Airlines
26 May - 13 Jun Norwegian direct
28 May - 13 Jun Vueling Airlines
28 May - 13 Jun Norwegian direct
26 May - 12 Jun Vueling Airlines
26 May - 16 Jun Vueling Airlines
26 May - 06 Jun Norwegian direct

Also check the deals for one-way flights from Oslo to Porto 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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