AirHint found the following cheapest one-way flights from Dublin (DUB) to Porto (OPO) in May 2026 (see full year).
One-Way flights
| 12 May | Ryanair | direct | |
| 26 May | Iberia Express | ||
| 09 May | Iberia Express | ||
| 06 May | Ryanair | direct | |
| 06 May | Iberia | ||
| 11 May | Iberia | ||
| 01 May | TAP | ||
| 26 May | Ryanair | direct | |
| 24 May | TAP | ||
| 22 May | TAP |
Also check the deals for return flights from Dublin to Porto in May.
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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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