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 to Dublin? 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 May.

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 foundR 544
Cheapest month to flyMay
Average flight time2 hrs, 22 mins
Most popular airlineRyanair
Average flights per week7

Finding cheap flights from Porto to Dublin: Frequently asked questions

The best price we found for a return flight from Porto to Dublin is R 1,493. 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 22 minutes is the average flight time from Porto to Dublin.
Ryanair flies direct from Porto to Dublin.
As of May 2025, there are 7 flights per week flying from Porto to Dublin.
The cheapest month to fly from Porto to Dublin is usually May 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Porto Airport to Dublin Airport on Thursday, 29 May 2025.
Yes – the average flight time is 2 hours and 22 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.

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

  • Take a direct flight from Porto Airport to Dublin Airport and you'll be travelling for an average of 2 hours 25 minutes.

  • Porto and Dublin share the same timezone, UTC+0.

  • Flights from OPO to DUB start from 06:05 — the first with Ryanair. The latest departure is at 22:25 with Ryanair. In total, you can choose from five weekly Porto Airport to Dublin Airport flights.

  • Get to the airport on time so you don't miss your OPO to DUB flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid a last-minute sprint to the gate.

  • Travelling during a peak time like August? Major public holidays and other popular periods can mean longer lines at security. Be extra cautious and get there up to four hours ahead of an international flight and two hours before a domestic departure.

  • Ryanair is your ticket to exploring Dublin (and maybe even some other great corners of Ireland!). Browse the direct flights from Porto Airport to Dublin Airport offered by this carrier.

  • Most travellers choose to travel with Ryanair on this route.

  • Ryanair is the most punctual carrier that operates OPO to DUB flights. An exceptional 82.93% of its services on this route arrive without delay.

  • Think about adding a stopover when booking your ticket from Porto Airport to Dublin Airport. Just uncheck 'Direct flights only' to break up your journey, or perhaps explore a new destination along the way. Here's where you can stop between OPO and DUB:

    • Nantes Atlantique Airport

    • Manchester Airport

    • Liverpool John Lennon Airport

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

  • Currently, R 541 is the cheapest price we've found for a one-way Porto Airport to Dublin Airport flight. The best price for a return ticket is R 1,493. Bear in mind that fares could change due to demand when booking.

  • To get cheap tickets from OPO to DUB, book your trip six months before your planned departure.

  • May is the cheapest month for flights from Porto Airport to Dublin Airport. If you prefer to fly at a different time of year, the 'Whole month' tool will give you the lowest airfares for each month.

  • Save time searching for cheap flights from OPO to DUB by creating a Price Alert. We'll send you an email or push notification on the app when a new discounted fare appears.

  • Select your ideal departure and arrival times, number of stops and airlines with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from Porto Airport to Dublin Airport.

Handy information about Porto Airport (OPO)

  • Of all flights leaving Porto Airport, 74.49% touch down on time at their destination.

  • Porto Airport is around 16 kilometres from central Porto. If you're catching a cab, ride-sharing or driving from the centre, it'll take you 20 minutes or so to get there, depending on the traffic.

  • Planning to catch public transport? You can expect a journey time of around 50 minutes.

  • Searching for a convenient hotel near OPO? If you're boarding an early flight from Porto Airport to Dublin Airport, these stays will have you sleeping moments from your check-in counter:

Arriving at Dublin Airport (DUB)

Getting from Dublin Airport (DUB) to central Dublin

  • Dublin Airport to the centre of Dublin has a drive time of about 30 minutes. It's approximately 21 kilometres away.

  • When travelling by public transport, expect a journey time of around 2 hours 10 minutes.

When to fly to Dublin Airport (DUB)

  • The quietest month for a flight from Porto Airport to Dublin Airport is January, while August is the busiest. Choose the ideal time to go to Dublin based on whether you prefer a bustling atmosphere or a more laid-back vibe.

  • The warmest month in Dublin is July, with temperatures ranging between 10ºC (50ºF) and 20ºC (68ºF). Book your flights from Porto Airport to Dublin Airport in this month if this is the kind of weather you like.

  • January sees average temperatures of between 1ºC (34ºF) and 9ºC (48ºF). Search for cheap tickets from OPO to DUB around that time if you like travelling in cooler conditions.

Explore more of Ireland

  • You've done Dublin, now it's time to explore other parts of Ireland. Journey about 225 kilometres south-west to Cork to check off its must-visit sights. From Blarney Castle to Fota Wildlife Park and Titanic Experience Cobh, you'll have a full itinerary ahead.

  • Tallaght is another essential stop in Ireland and is around 10 kilometres south-west of Dublin. No trip is complete without visiting Church of the Incarnation, Fettercairn, 3 stuffed bears and Johnson & Perrott Fleet.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.