Cheapest return flights from Cagliari to Porto in May from $106

AirHint found the following cheapest return flights from Cagliari (CAG) to Porto (OPO) in May 2026 (see full year).

Return flights

06 May - 11 May Ryanair
06 May - 08 May Ryanair
13 May - 26 May Ryanair
06 May - 26 May Ryanair
15 May - 26 May Ryanair
12 May - 26 May Ryanair
13 May - 22 May Ryanair direct
20 May - 26 May Ryanair
06 May - 08 May Ryanair direct
06 May - 13 May Ryanair direct
27 May - 16 Jun Ryanair
15 May - 04 Jun Ryanair
20 May - 04 Jun Ryanair
13 May - 03 Jun Ryanair direct
20 May - 08 Jun Ryanair
15 May - 03 Jun Ryanair direct
19 May - 04 Jun Ryanair
15 May - 05 Jun Ryanair direct
16 May - 04 Jun Vueling Airlines
31 May - 16 Jun Vueling Airlines

Also check the deals for one-way flights from Cagliari to Porto in May.

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