Cheap flights
Cheap flights from Ireland to Porto
Track the cheapest Ireland–Porto fares — currently from €47.
Fares shown in EUR, observed from live searches.
Here's everything you need to book a cheap flight from Ireland to Porto: the cheapest fares we've tracked, how prices change month to month, and a free alert that watches the route for you.
Ireland to Porto flight prices by month
The cheapest month to fly Ireland to Porto is Sep 2026, with fares from €47. Use the table below to find the cheapest time to travel.
| Month | Cheapest fare |
|---|---|
| Jul 2026 | €102 |
| Aug 2026 | €49 |
| Sep 2026Cheapest | €47 |
Popular destinations from Ireland
Frequently asked questions
How much is a flight from Ireland to Porto?
The cheapest Ireland–Porto fare we've tracked recently is €47 one-way. The lowest prices usually appear in Sep 2026.
What is the cheapest month to fly from Ireland to Porto?
Sep 2026 is currently the cheapest month to fly from Ireland to Porto, with fares from €47. See the month-by-month table above for the full year.
How far in advance should I book Ireland to Porto?
For Ireland–Porto, booking a few weeks to a few months ahead usually gives the best price. Flexible dates and mid-week departures help you save even more.
Can I set a price alert for Ireland to Porto?
Yes — Flyozo watches the Ireland–Porto route for free and emails you the moment the fare drops.
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Prices on this page are observed from live flight searches (4,683 recent fares), not estimates. Last updated Jun 26, 2026. Actual prices change constantly — always confirm on the booking site.