Cheapest return flights from Oslo to Porto in April from $136

AirHint found the following cheapest return flights from Oslo (OSL) to Porto (OPO) in April 2026 (see full year).

Return flights

08 Apr - 13 Apr Vueling Airlines
22 Apr - 08 May Vueling Airlines
15 Apr - 17 Apr Ryanair
08 Apr - 22 Apr Vueling Airlines
08 Apr - 15 Apr Vueling Airlines
22 Apr - 24 Apr Vueling Airlines
22 Apr - 01 May Vueling Airlines
15 Apr - 22 Apr Norwegian direct
22 Apr - 06 May Vueling Airlines
06 Apr - 13 Apr Norwegian direct
08 Apr - 13 Apr Norwegian direct
13 Apr - 22 Apr Norwegian direct
13 Apr - 15 Apr Norwegian direct
15 Apr - 01 May Norwegian direct
18 Apr - 08 May Vueling Airlines
20 Apr - 08 May Norwegian direct
24 Apr - 08 May Norwegian direct
15 Apr - 06 May Vueling Airlines
22 Apr - 13 May Vueling Airlines
27 Apr - 08 May Norwegian Air Sweden AOC

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

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