Cheapest return flights from Cagliari to Porto in September from 138€

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

Return flights

24 Sep - 30 Sep Ryanair
17 Sep - 23 Sep Vueling Airlines
04 Sep - 23 Sep Ryanair direct
18 Sep - 23 Sep Ryanair
23 Sep - 30 Sep Vueling Airlines
23 Sep - 25 Sep Vueling Airlines
17 Sep - 24 Sep Vueling Airlines
02 Sep - 09 Sep Vueling Airlines
18 Sep - 25 Sep Ryanair
27 Sep - 30 Sep Ryanair

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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