Cheapest return flights from Cagliari to Porto in September from $133

Best time to book flights for Cagliari (CAG) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from Cagliari (CAG) to Porto (OPO) in September 2025 (see full year).

Return flights

28 Sep - 09 Oct Vueling Airlines
28 Sep - 18 Oct Vueling Airlines
18 Sep - 09 Oct Ryanair direct
28 Sep - 16 Oct Vueling Airlines
28 Sep - 30 Sep Vueling Airlines
18 Sep - 30 Sep Ryanair direct
25 Sep - 30 Sep Ryanair
28 Sep - 02 Oct Vueling Airlines
23 Sep - 09 Oct Ryanair direct
28 Sep - 11 Oct Vueling Airlines
18 Sep - 02 Oct Ryanair direct
27 Sep - 30 Sep Ryanair
23 Sep - 30 Sep Ryanair direct
28 Sep - 07 Oct Vueling Airlines
30 Sep - 09 Oct Ryanair direct
26 Sep - 28 Sep Ryanair
23 Sep - 25 Sep Ryanair direct
16 Sep - 21 Sep Ryanair
18 Sep - 23 Sep Ryanair direct
04 Sep - 25 Sep Ryanair direct

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

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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