AirHint found the following cheapest one-way flights from Porto (OPO) to Dublin (DUB) in September 2026 (see full year).
One-Way flights
| 01 Sep | Ryanair | direct | |
| 12 Sep | Ryanair | direct | |
| 18 Sep | TAP | ||
| 19 Sep | TAP | ||
| 06 Sep | Vueling Airlines | ||
| 13 Sep | Ryanair | ||
| 18 Sep | Ryanair | direct | |
| 19 Sep | Ryanair | direct | |
| 25 Sep | Ryanair | direct | |
| 30 Sep | Ryanair | direct |
Also check the deals for return flights from Porto to Dublin in September.
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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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