Cheapest one-way flights from Cagliari to Porto in September from $101

AirHint found the following cheapest one-way flights from Cagliari (CAG) to Porto (OPO) in September 2026 (see full year).

One-Way flights

14 Sep Ryanair
15 Sep Vueling Airlines
29 Sep Vueling Airlines
23 Sep Ryanair direct
16 Sep Vueling Airlines
30 Sep Vueling Airlines
30 Sep Ryanair direct
04 Sep Aeroitalia
16 Sep Ryanair direct
27 Sep Vueling Airlines

Also check the deals for return flights from Cagliari to Porto in September.

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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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