Cheapest return flights from Oslo to Porto in March from 124€

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

Return flights

08 Mar - 25 Mar Vueling Airlines
30 Mar - 10 Apr Ryanair
22 Mar - 25 Mar Vueling Airlines
22 Mar - 30 Mar Vueling Airlines
25 Mar - 08 Apr Ryanair
25 Mar - 30 Mar Norwegian direct
25 Mar - 13 Apr Norwegian direct
30 Mar - 13 Apr Norwegian direct
08 Mar - 15 Mar Transavia France
22 Mar - 10 Apr Vueling Airlines
25 Mar - 10 Apr Norwegian direct
30 Mar - 10 Apr Norwegian direct
22 Mar - 08 Apr Vueling Airlines
30 Mar - 17 Apr Norwegian direct
25 Mar - 08 Apr Norwegian direct

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

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