Cheapest return flights from Porto to Oslo in May from 178€

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

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

Return flights

07 May - 17 May Norwegian
07 May - 21 May Norwegian direct
18 May - 21 May Ryanair
09 May - 12 May transavia
07 May - 19 May Norwegian direct
16 May - 19 May transavia
23 May - 25 May transavia
23 May - 11 Jun Norwegian
09 May - 12 May Norwegian direct
07 May - 16 May Norwegian direct
16 May - 17 May Norwegian
23 May - 11 Jun Norwegian direct
23 May - 13 Jun Norwegian direct
24 May - 11 Jun Vueling Airlines
24 May - 13 Jun Vueling Airlines

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