Cheap flights from Porto to Dublin

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Flight deals from Porto to Dublin

Looking for a cheap last-minute deal or the best return flight from Porto Airport to Dublin Airport? If you want to travel next month, return fares start from P7,531. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Porto to Dublin

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Porto to Dublin flights are currently cheapest in December.

Direct flights from Porto to Dublin

Porto to Dublin: Alternative routes

Compare routes from Porto to Dublin below. You may find an airport to fly into that's cheaper, faster, or easier than Dublin.

Porto to Dublin: Flight information

The things to know before you go.
Cheapest flight foundP2,801
Cheapest month to flyDecember
Average flight time2 hrs, 25 mins
Most popular airlineRyanair
Average flights per week9

Finding cheap flights from Porto to Dublin: Frequently asked questions

The best price we found for a return flight from Porto to Dublin is P4,950. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
2 hours and 25 minutes is the average flight time from Porto to Dublin.
Ryanair flies direct from Porto to Dublin.
As of June 2026, there are 9 flights per week flying from Porto to Dublin.
The cheapest month to fly from Porto to Dublin is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Dublin Airport on Friday, 4 September 2026.
Yes – the average flight time is 2 hours and 25 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Dublin but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Dublin is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Ryanair offers the cheapest flight tickets to Dublin.

Travelling from Porto Airport (OPO) to Dublin Airport (DUB): what you need to know

  • The average time for a direct flight from Porto Airport to Dublin Airport is 2 hours 25 minutes.

  • Dublin's timezone is UTC+0, which is the same as Porto.

  • Flights from OPO to DUB start from 06:10 — the earliest with Ryanair. The latest departure is at 22:25 with Ryanair. In total, you can choose from seven weekly Porto Airport to Dublin Airport flights.

  • Leave plenty of time to make your OPO to DUB flight. As a general rule, turn up at least two hours before international departures and an hour ahead for domestic flights.

  • During popular months like August, it's a good idea to get to the airport earlier than normal. Plan to arrive two hours before domestic departures and four hours ahead of international flights whenever you're travelling during peak periods in general.

  • Ryanair has direct flights from Porto Airport to Dublin Airport. Book with this popular carrier, then get ready to discover the sights in Dublin — and maybe even more of Ireland if you have time.

  • The airline most travellers prefer to fly with on this route is Ryanair.

  • The carrier with the top on-time arrival rate for OPO to DUB flights is Ryanair.

  • If you want to break up your flight, simply deselect 'Direct flights only' when searching for your ticket from Porto Airport to Dublin Airport. Here are the top stopovers between OPO and DUB:

    • Manchester Airport

    • Nantes Airport

    • Liverpool Airport

How to find the cheapest flights from Porto Airport (OPO) to Dublin Airport (DUB)

  • Currently, P2,801 is the cheapest price we've seen for a one-way Porto Airport to Dublin Airport flight. The best price for a return ticket is P4,950. Remember that fares could change due to availability at the time of booking.

  • To pick up cheap tickets from OPO to DUB, book ahead. Airlines tend to offer lower prices when flights are first released.

  • The cheapest month for flights from Porto Airport to Dublin Airport is May. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.

  • There's no need to check every day to find out if fares have gone down when you create a Price Alert. We'll let you know the moment a special offer becomes available on cheap flights from OPO to DUB.

  • Tailor your flights using filters. Select your arrival and departure times, total journey duration and airlines. You can also sort your results by 'Cheapest,' 'Fastest' or 'Best' flights from Porto Airport to Dublin Airport.

Handy information about Porto Airport (OPO)

  • 75% of flights that take off from Porto Airport make it to their destination on schedule.

  • To reach Porto Airport from central Porto, it takes about 20 minutes if you're going by car. Of course, this depends on traffic conditions. It's approximately 11 kilometers from the airport to the city centre.

  • Expect a trip time of roughly 30 minutes when using public transport.

  • Get your break off to a leisurely start by staying near OPO. Whether you have an early flight from Porto Airport to Dublin Airport or want to avoid feeling rushed, these hotels are the answer:

Arriving at Dublin Airport (DUB)

When to fly to Dublin Airport (DUB)

  • July is the busiest month for flights from Porto Airport to Dublin Airport. To escape the crowds, go to Dublin in March.

  • Before locking in your flight from Porto Airport to Dublin Airport, think about the kind of weather you enjoy. July is the warmest month in Dublin, with the temperature ranging from 10ºC (50ºF) to 19ºC (66ºF).

  • Search for cheap tickets from OPO to DUB in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 2ºC (36ºF) and 9ºC (48ºF) on average.

Explore more of Ireland

  • Cork is just one of the many places in Ireland waiting to be explored once you've taken in the sights of Dublin. Around 225 kilometers away to the south-west, well-known attractions include Blarney Castle & Gardens, Blarney Castle House(Teach Caisleán na Blarnan) and Blarney Stone.

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.