Cheapest return flights from Cagliari to Porto in September from $143

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

24 Sep - 09 Oct Vueling Airlines
24 Sep - 11 Oct Vueling Airlines
21 Sep - 09 Oct Vueling Airlines
21 Sep - 11 Oct Vueling Airlines
30 Sep - 16 Oct Ryanair direct
24 Sep - 30 Sep Vueling Airlines
30 Sep - 09 Oct Ryanair direct
30 Sep - 18 Oct Ryanair direct
30 Sep - 11 Oct Ryanair direct
20 Sep - 09 Oct Ryanair direct
24 Sep - 27 Sep Vueling Airlines
24 Sep - 02 Oct Vueling Airlines
24 Sep - 26 Sep Vueling Airlines
21 Sep - 30 Sep Vueling Airlines
21 Sep - 27 Sep Vueling Airlines
21 Sep - 26 Sep Vueling Airlines
21 Sep - 23 Sep Vueling Airlines
20 Sep - 26 Sep Ryanair
23 Sep - 26 Sep Ryanair
18 Sep - 27 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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