AirHint found the following cheapest return flights from Cagliari (CAG) to Porto (OPO)
in September 2025 (see full year ).
Return flights
28 Sep
- 09 Oct
Vueling Airlines
$ 133
28 Sep
- 18 Oct
Vueling Airlines
$ 134
18 Sep
- 09 Oct
Ryanair
$ 137
direct
28 Sep
- 16 Oct
Vueling Airlines
$ 138
28 Sep
- 30 Sep
Vueling Airlines
$ 142
18 Sep
- 30 Sep
Ryanair
$ 146
direct
25 Sep
- 30 Sep
Ryanair
$ 151
28 Sep
- 02 Oct
Vueling Airlines
$ 152
23 Sep
- 09 Oct
Ryanair
$ 153
direct
28 Sep
- 11 Oct
Vueling Airlines
$ 154
18 Sep
- 02 Oct
Ryanair
$ 156
direct
27 Sep
- 30 Sep
Ryanair
$ 157
23 Sep
- 30 Sep
Ryanair
$ 161
direct
28 Sep
- 07 Oct
Vueling Airlines
$ 164
30 Sep
- 09 Oct
Ryanair
$ 164
direct
26 Sep
- 28 Sep
Ryanair
$ 178
23 Sep
- 25 Sep
Ryanair
$ 179
direct
16 Sep
- 21 Sep
Ryanair
$ 183
18 Sep
- 23 Sep
Ryanair
$ 187
direct
04 Sep
- 25 Sep
Ryanair
$ 188
direct
Also check the deals for one-way flights from Cagliari to Porto in September .
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.