Cheap Flights from Dublin (DUB) to Porto (OPO)

Compare Dublin to Porto flight deals

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Flight deals from Dublin to Porto

Looking for a cheap last-minute deal or the best return flight from Dublin Airport to Porto Airport? If you want to travel next month, return fares start from $152. Find the lowest prices on one-way and return tickets right here.

Porto.$119 per passenger.Departing Mon, 17 Aug, returning Fri, 4 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Mon, 17 Aug, arriving in Porto.Inbound direct flight with Ryanair departs from Porto on Fri, 4 Sep, arriving in Dublin.Price includes taxes and charges.From $119, select.

Porto.$136 per passenger.Departing Mon, 17 Aug, returning Thu, 27 Aug.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Mon, 17 Aug, arriving in Porto.Inbound direct flight with Ryanair departs from Porto on Thu, 27 Aug, arriving in Dublin.Price includes taxes and charges.From $136, select.

Porto.$152 per passenger.Departing Wed, 1 Jul, returning Wed, 8 Jul.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Wed, 1 Jul, arriving in Porto.Inbound indirect flight with Ryanair, departs from Porto on Wed, 8 Jul, arriving in Dublin.Price includes taxes and charges.From $152, select.

Porto.$156 per passenger.Departing Wed, 21 Oct, returning Wed, 4 Nov.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Wed, 21 Oct, arriving in Porto.Inbound direct flight with Ryanair departs from Porto on Wed, 4 Nov, arriving in Dublin.Price includes taxes and charges.From $156, select.

Porto.$159 per passenger.Departing Wed, 21 Oct, returning Fri, 23 Oct.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Wed, 21 Oct, arriving in Porto.Inbound direct flight with Ryanair departs from Porto on Fri, 23 Oct, arriving in Dublin.Price includes taxes and charges.From $159, select.

Porto.$160 per passenger.Departing Wed, 2 Sep, returning Fri, 4 Sep.Return flight with Ryanair.Outbound indirect flight with Ryanair, departs from Dublin on Wed, 2 Sep, arriving in Porto.Inbound indirect flight with Ryanair, departs from Porto on Fri, 4 Sep, arriving in Dublin.Price includes taxes and charges.From $160, select.

Porto.$165 per passenger.Departing Tue, 24 Nov, returning Tue, 15 Dec.Return flight with Vueling Airlines and Ryanair.Outbound indirect flight with Vueling Airlines, departs from Dublin on Tue, 24 Nov, arriving in Porto.Inbound indirect flight with Ryanair, departs from Porto on Tue, 15 Dec, arriving in Dublin.Price includes taxes and charges.From $165, select.

Porto.$169 per passenger.Departing Wed, 2 Sep, returning Fri, 4 Sep.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Wed, 2 Sep, arriving in Porto.Inbound direct flight with Ryanair departs from Porto on Fri, 4 Sep, arriving in Dublin.Price includes taxes and charges.From $169, select.

Porto.$175 per passenger.Departing Mon, 28 Sep, returning Thu, 15 Oct.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Mon, 28 Sep, arriving in Porto.Inbound direct flight with Ryanair departs from Porto on Thu, 15 Oct, arriving in Dublin.Price includes taxes and charges.From $175, select.

Porto.$176 per passenger.Departing Tue, 3 Nov, returning Wed, 4 Nov.Return flight with Vueling Airlines and Ryanair.Outbound indirect flight with Vueling Airlines, departs from Dublin on Tue, 3 Nov, arriving in Porto.Inbound indirect flight with Ryanair, departs from Porto on Wed, 4 Nov, arriving in Dublin.Price includes taxes and charges.From $176, select.

Porto.$182 per passenger.Departing Thu, 14 Jan, returning Thu, 21 Jan.Return flight with Vueling Airlines.Outbound indirect flight with Vueling Airlines, departs from Dublin on Thu, 14 Jan, arriving in Porto.Inbound indirect flight with Vueling Airlines, departs from Porto on Thu, 21 Jan, arriving in Dublin.Price includes taxes and charges.From $182, select.

Porto.$186 per passenger.Departing Mon, 22 Feb, returning Thu, 4 Mar.Return flight with Vueling Airlines and Ryanair.Outbound indirect flight with Vueling Airlines, departs from Dublin on Mon, 22 Feb, arriving in Porto.Inbound indirect flight with Ryanair, departs from Porto on Thu, 4 Mar, arriving in Dublin.Price includes taxes and charges.From $186, select.

Porto.$188 per passenger.Departing Tue, 24 Nov, returning Thu, 3 Dec.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Tue, 24 Nov, arriving in Porto.Inbound direct flight with Ryanair departs from Porto on Thu, 3 Dec, arriving in Dublin.Price includes taxes and charges.From $188, select.

Porto.$188 per passenger.Departing Tue, 12 Jan, returning Mon, 18 Jan.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Tue, 12 Jan, arriving in Porto.Inbound direct flight with Ryanair departs from Porto on Mon, 18 Jan, arriving in Dublin.Price includes taxes and charges.From $188, select.

Porto.$194 per passenger.Departing Fri, 11 Dec, returning Tue, 15 Dec.Return flight with Vueling Airlines and Ryanair.Outbound indirect flight with Vueling Airlines, departs from Dublin on Fri, 11 Dec, arriving in Porto.Inbound indirect flight with Ryanair, departs from Porto on Tue, 15 Dec, arriving in Dublin.Price includes taxes and charges.From $194, select.

Porto.$196 per passenger.Departing Thu, 3 Dec, returning Tue, 15 Dec.Return flight with Ryanair.Outbound direct flight with Ryanair departs from Dublin on Thu, 3 Dec, arriving in Porto.Inbound direct flight with Ryanair departs from Porto on Tue, 15 Dec, arriving in Dublin.Price includes taxes and charges.From $196, select.

Find the cheapest month to fly from Dublin to Porto

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

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Direct flights from Dublin to Porto

Dublin to Porto: Alternative routes

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

Dublin to Porto: Flight information

The things to know before you go.

Cheapest flight found	$119
Cheapest month to fly	August
Average flight time	2 hrs, 25 mins
Most popular airline	Ryanair
Average flights per week	8

Finding cheap flights from Dublin to Porto: Frequently asked questions

How much are return flights from Dublin to Porto?

The best price we found for a return flight from Dublin to Porto is $119. 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.

How long does it take to fly from Dublin to Porto?

2 hours and 25 minutes is the average flight time from Dublin to Porto.

Which airlines fly direct from Dublin to Porto?

Ryanair flies direct from Dublin to Porto.

How many flights are there a week from Dublin to Porto?

As of June 2026, there are 8 flights per week flying from Dublin to Porto.

When is the cheapest time to fly from Dublin to Porto?

The cheapest month to fly from Dublin to Porto is usually August.

Which upcoming date is cheapest to fly from Dublin Airport to Porto Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Porto Airport on Monday, 17 August 2026.

Can I get a direct flight from Dublin Airport to Porto Airport?

Yes – the average flight time is 2 hours and 25 minutes.

How can I find the best flight deal to Porto?

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 Porto 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.

When is the best time to book flights to Porto?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Porto is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Dublin Airport to Porto with?

Currently, Ryanair offers the cheapest flight tickets to Porto.

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

The average length of a direct flight from Dublin Airport to Porto Airport is 2 hours 25 minutes.
Porto's timezone is UTC+0, which is the same as Dublin.
Flights from DUB to OPO start at 09:10 — the earliest with Ryanair. The latest departure is at 20:35 with Ryanair. Overall, there are seven weekly Dublin Airport to Porto Airport flights.
For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This will give you enough time to catch your DUB to OPO flight.
Flying during a peak month like July? School holidays and other high seasons can result in longer queues at airport checkpoints. Play things extra safe and arrive up to four hours before an international flight and two hours before a domestic departure.
Ryanair has direct flights from Dublin Airport to Porto Airport. Book with this popular carrier, then get ready to check out the sights in Porto — and maybe even more of Portugal if you have time.
Ryanair is the airline most travellers choose to fly with on this route.
Ryanair is the most punctual carrier that offers DUB to OPO flights.
Consider adding a stopover when booking your ticket from Dublin Airport to Porto Airport. Simply uncheck 'Direct flights only' to break up your journey, or enjoy a detour to a new and interesting place. Here's where you can stop between DUB and OPO:
- Madrid Airport
- Birmingham Airport
- Bristol Airport

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

$47 is the lowest price for a one-way Dublin Airport to Porto Airport flight. Return flights start at $119. These fares can change depending on availability.
To score cheap tickets from DUB to OPO, reserve your trip three months ahead of your departure.
Plan your trip for August. That's the cheapest month for flights from Dublin Airport to Porto Airport. If you're flexible with your travel dates, use the 'Whole month' tool to see the lowest price across each month.
You don't need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll update you as soon as the price changes on cheap flights from DUB to OPO.
Tailor your flights with filters. Select your preferred departure and arrival times, airlines and total journey duration. You can also sort results by 'Best,' 'Fastest' or 'Cheapest' flights from Dublin Airport to Porto Airport.

Handy information about Dublin Airport (DUB)

Of the departures from Dublin Airport, 77% arrive on time at their destination.
Central Dublin to Dublin Airport is approximately 11 kilometres. Depending on traffic, it'll take you about 25 minutes to get there if you're driving, ride-sharing or catching a taxi.
Catching public transport? Expect a trip time of around 30 minutes.
Get your break off to a stress-free start by staying near DUB. Whether you're taking an early flight from Dublin Airport to Porto Airport or just don't like being rushed, these hotels are ideal:

Arriving at Porto Airport (OPO)

The last thing you need is a long trip to your hotel if you're arriving on a late Dublin Airport to Porto Airport flight. Stay at one of these accommodation options near OPO instead:
Fast-track your adventure by picking up a Porto Airport rental car. Grab a set of wheels from Klass Wagen, Goldcar or Drive & Go and experience the lesser-explored corners of Porto and beyond.
For the lowest price, reserve your ride from Porto Airport about three weeks before your trip.

Getting from Porto Airport (OPO) to central Porto

From Porto Airport, Porto is approximately 11 kilometres away. It takes around 20 minutes to reach the centre driving.
If you're taking public transport, expect a journey of around 30 minutes.

When to fly to Porto Airport (OPO)

The quietest month for a flight from Dublin Airport to Porto Airport is March, while August is the busiest. Pick the best time to go to Porto based on whether you prefer a faster pace or a more relaxed vibe.
Book your flight from Dublin Airport to Porto Airport for August if you want to visit Porto during its warmest month. Expect temperatures of between 14ºC (57ºF) and 32ºC (90ºF).
January has average temperatures of between 3ºC (37ºF) and 14ºC (57ºF). Look for cheap tickets from DUB to OPO around that time if you like travelling in cooler conditions.

Explore more of Portugal

Porto has its own special appeal, but there are so many other corners of Portugal you should also see. About 274 kilometres south of Porto, a trip to Lisbon will keep your itinerary busy. Start with leading sights like Pasteis de Belém, belém and Real Mosteiro de Santa Maria de Belém.
Amadora is another well-known destination in Portugal and is around 274 kilometres south of Porto. No trip is complete without a visit to Roman Villa, Park Fantasia and Palácio dos Condes da Lousã.