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

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

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

Return flights

31 Mar - 09 Apr Norwegian direct
31 Mar - 04 Apr Norwegian direct
31 Mar - 02 Apr Norwegian direct
16 Mar - 31 Mar Vueling Airlines
23 Mar - 31 Mar Ryanair
21 Mar - 28 Mar Ryanair
31 Mar - 11 Apr Vueling Airlines
16 Mar - 04 Apr Vueling Airlines
16 Mar - 02 Apr Vueling Airlines
23 Mar - 01 Apr Ryanair
25 Mar - 05 Apr Ryanair
21 Mar - 25 Mar Ryanair
31 Mar - 07 Apr Norwegian direct
31 Mar - 14 Apr Norwegian direct
01 Mar - 08 Mar Ryanair
14 Mar - 17 Mar Ryanair
15 Mar - 26 Mar Ryanair
07 Mar - 10 Mar Ryanair
21 Mar - 23 Mar Ryanair
21 Mar - 22 Mar Ryanair

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

Skyscanner

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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