Cheapest return flights from Oslo to Porto in April from 137€

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

Return flights

15 Apr - 24 Apr Vueling Airlines
15 Apr - 01 May Vueling Airlines
08 Apr - 24 Apr Vueling Airlines
13 Apr - 01 May Norwegian direct
24 Apr - 01 May Norwegian direct
13 Apr - 24 Apr Norwegian direct
08 Apr - 10 Apr Vueling Airlines
06 Apr - 13 Apr Norwegian direct
15 Apr - 01 May Norwegian direct
27 Apr - 01 May Norwegian Air Sweden AOC
03 Apr - 13 Apr Ryanair
08 Apr - 17 Apr Vueling Airlines
15 Apr - 24 Apr Norwegian direct
06 Apr - 24 Apr Norwegian direct
08 Apr - 13 Apr Norwegian direct
17 Apr - 01 May Norwegian direct
20 Apr - 01 May Norwegian direct
15 Apr - 06 May Vueling Airlines
24 Apr - 06 May Norwegian direct
24 Apr - 08 May Norwegian direct

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

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