AirHint found the following cheapest return flights from Dublin (DUB) to Porto (OPO)
in December 2025 (see full year ).
Return flights
10 Dec
- 13 Dec
Ryanair
$ 130
direct
10 Dec
- 15 Dec
Ryanair
$ 130
direct
03 Dec
- 10 Dec
Ryanair
$ 130
direct
03 Dec
- 13 Dec
Ryanair
$ 130
direct
03 Dec
- 15 Dec
Ryanair
$ 130
direct
03 Dec
- 04 Dec
Ryanair
$ 130
direct
02 Dec
- 10 Dec
Vueling Airlines
$ 140
02 Dec
- 13 Dec
Vueling Airlines
$ 140
02 Dec
- 15 Dec
Vueling Airlines
$ 140
02 Dec
- 04 Dec
Vueling Airlines
$ 140
29 Dec
- 19 Jan
TAP
$ 193
30 Dec
- 19 Jan
Ryanair
$ 236
direct
31 Dec
- 19 Jan
Ryanair
$ 236
direct
29 Dec
- 19 Jan
Ryanair
$ 284
direct
12 Dec
- 01 Jan
Ryanair
$ 308
direct
12 Dec
- 02 Jan
Ryanair
$ 308
direct
15 Dec
- 01 Jan
Vueling Airlines
$ 309
15 Dec
- 02 Jan
Vueling Airlines
$ 309
13 Dec
- 01 Jan
Vueling Airlines
$ 320
13 Dec
- 02 Jan
Vueling Airlines
$ 320
Also check the deals for one-way flights from Dublin to Porto in December .
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.