AirHint found the following cheapest return flights from Porto (OPO) to Dublin (DUB)
in September 2025 (see full year ).
Return flights
18 Sep
- 19 Sep
Ryanair
138 €
direct
18 Sep
- 26 Sep
Ryanair
138 €
direct
17 Sep
- 19 Sep
Ryanair
138 €
direct
17 Sep
- 26 Sep
Ryanair
138 €
direct
23 Sep
- 14 Oct
Ryanair
138 €
direct
23 Sep
- 26 Sep
Ryanair
148 €
direct
23 Sep
- 12 Oct
Ryanair
148 €
direct
29 Sep
- 14 Oct
Vueling Airlines
154 €
29 Sep
- 16 Oct
Vueling Airlines
154 €
03 Sep
- 18 Sep
Ryanair
162 €
29 Sep
- 12 Oct
Vueling Airlines
164 €
05 Sep
- 19 Sep
Ryanair
168 €
direct
03 Sep
- 19 Sep
Ryanair
171 €
direct
03 Sep
- 04 Sep
Ryanair
182 €
direct
23 Sep
- 11 Oct
Ryanair
182 €
29 Sep
- 11 Oct
Vueling Airlines
198 €
17 Sep
- 18 Sep
Ryanair
209 €
29 Sep
- 14 Oct
Ryanair
220 €
direct
29 Sep
- 16 Oct
Ryanair
220 €
direct
29 Sep
- 12 Oct
Ryanair
230 €
direct
Also check the deals for one-way flights from Porto to Dublin 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.