Cheapest return flights from Dublin (DUB) to Porto (OPO), September

Select a price to book. see full year.

Dates, airline, and price
Dates Airline Price
29 Sep 01 Oct Ryanair
Direct Flight
29 Sep 15 Oct Ryanair
Direct Flight
29 Sep 07 Oct Ryanair
28 Sep 01 Oct Ryanair
Direct Flight
29 Sep 14 Oct Ryanair
Direct Flight
29 Sep 08 Oct Ryanair
Direct Flight
26 Sep 15 Oct Ryanair
Direct Flight
28 Sep 15 Oct Ryanair
Direct Flight
28 Sep 30 Sep Ryanair
26 Sep 14 Oct Ryanair
Direct Flight
28 Sep 14 Oct Ryanair
Direct Flight
21 Sep 22 Sep Ryanair
Direct Flight
26 Sep 29 Sep Ryanair
Direct Flight
01 Sep 04 Sep Ryanair
02 Sep 15 Sep Ryanair
Direct Flight
02 Sep 04 Sep Ryanair
Direct Flight
28 Sep 29 Sep Ryanair
Direct Flight
16 Sep 22 Sep Ryanair
20 Sep 22 Sep Ryanair
Direct Flight
02 Sep 17 Sep Ryanair
Direct Flight
Powered by

deals for one-way flights from Dublin to Porto in September.

Book a cheap hotel in Porto

Cheap car rent in Porto

Updated Jun 13, 2026.

About these fares

These results come from our latest search across airlines for your currency. Prices change quickly and are not locked until you complete booking—always confirm the total and fare rules on the partner site.

Feel free to contact us with any feedback or request another flight research.