Cheapest return flights from Oslo to Porto in March from $123

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

Return flights

22 Mar - 25 Mar Vueling Airlines
22 Mar - 30 Mar Vueling Airlines
20 Mar - 23 Mar Scandinavian Airlines
19 Mar - 23 Mar Wizz Air
25 Mar - 30 Mar Norwegian direct
25 Mar - 13 Apr Norwegian direct
30 Mar - 13 Apr Norwegian direct
22 Mar - 06 Apr Vueling Airlines
27 Mar - 31 Mar Scandinavian Airlines
30 Mar - 17 Apr Norwegian
25 Mar - 25 Mar Norwegian
30 Mar - 03 Apr easyJet
30 Mar - 17 Apr Norwegian direct
30 Mar - 15 Apr Norwegian direct
22 Mar - 03 Apr Vueling Airlines
26 Mar - 30 Mar Vueling Airlines
26 Mar - 13 Apr Vueling Airlines
25 Mar - 06 Apr Norwegian direct

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

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