AirHint found the following cheapest one-way flights from Cagliari (CAG) to Porto (OPO) in September 2026 (see full year).
One-Way flights
| 15 Sep | Ryanair | ||
| 08 Sep | Vueling Airlines | ||
| 06 Sep | easyJet | ||
| 04 Sep | Transavia France | ||
| 23 Sep | Ryanair | ||
| 03 Sep | Ryanair | ||
| 11 Sep | Ryanair | ||
| 01 Sep | Vueling Airlines | ||
| 02 Sep | easyJet | ||
| 16 Sep | Ryanair | direct |
Also check the deals for return flights from Cagliari to Porto in September.
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