Cheapest return flights from Porto to Cagliari in September from $144

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

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

Return flights

19 Sep - 09 Oct Vueling Airlines
16 Sep - 24 Sep Ryanair
19 Sep - 02 Oct Vueling Airlines
25 Sep - 09 Oct Ryanair direct
25 Sep - 02 Oct Ryanair direct
09 Sep - 17 Sep Ryanair
17 Sep - 24 Sep easyJet
19 Sep - 01 Oct Vueling Airlines
09 Sep - 24 Sep Ryanair
23 Sep - 29 Sep Ryanair
09 Sep - 16 Sep Ryanair
18 Sep - 24 Sep Ryanair
16 Sep - 22 Sep easyJet
25 Sep - 01 Oct Ryanair
12 Sep - 02 Oct Vueling Airlines
27 Sep - 09 Oct Ryanair direct
09 Sep - 18 Sep Ryanair direct
19 Sep - 08 Oct Vueling Airlines
19 Sep - 26 Sep Vueling Airlines
25 Sep - 08 Oct Ryanair

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