Cheapest return flights from Porto to Cagliari in December from $205

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 December 2025 (see full year).

Return flights

06 Dec - 09 Dec Ryanair
07 Dec - 10 Dec easyJet

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

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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