Cheap Flights from Dublin to Porto

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Flight deals from Dublin to Porto

Looking for a cheap last-minute deal or the best return flight from Dublin to Porto? Find the lowest prices on one-way and return tickets right here.

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 October.

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 foundR 651
Cheapest month to flyOctober
Average flight time2 hrs, 21 mins
Most popular airlineRyanair
Average flights per week8

Finding cheap flights from Dublin to Porto: Frequently asked questions

The best price we found for a return flight from Dublin to Porto is R 1,635. 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 21 minutes is the average flight time from Dublin to Porto.
Ryanair flies direct from Dublin to Porto.
As of August 2025, there are 8 flights per week flying from Dublin to Porto.
The cheapest month to fly from Dublin to Porto is usually November.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Dublin Airport to Porto Airport on Wednesday, 19 November 2025.
Yes – the average flight time is 2 hours and 21 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 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.
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.
Currently, Ryanair offers the cheapest flight tickets to Porto.

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

  • Around 2 hours 25 minutes is how long you can expect to be in the air on a direct flight from Dublin Airport to Porto Airport.

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

  • Each week, there are 11 Dublin Airport to Porto Airport flights. If you prefer to get going early, go for the 09:05 Ryanair flight. If you're eager to make the most of your time before you fly, the last flight is at 20:50 with Ryanair.

  • Give yourself enough time to make your DUB to OPO flight. As a rule of thumb, arrive two hours before international departures and an hour ahead for domestic flights.

  • Travelling during a peak time such as August? School holidays and other popular periods can lead to longer lines and delays at airport checkpoints. Play it safe and get there up to four hours before an international flight and two hours before domestic departures.

  • Travelling to Porto (and then exploring more of Portugal!) is a cinch with Ryanair. This popular airline has direct flights from Dublin Airport to Porto Airport.

  • Ryanair is the airline most travellers choose to fly with on this route.

  • The most punctual carrier that operates DUB to OPO flights is Ryanair. Its services land as planned 73.17% of the time.

  • We make it simple to book a flight with a stopover. To see your options for tickets from Dublin Airport to Porto Airport, deselect 'Direct flights only.' Then, pick a flight offering a stop long enough to tour the city of your choice. Some great stopovers between DUB and OPO include:

    • Nantes Atlantique Airport

    • Birmingham International Airport

    • Bristol Airport

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

  • R 651 is the best price for a one-way Dublin Airport to Porto Airport flight. A return flight starts at R 1,635. These fares can change based on demand and availability.

  • Score cheap tickets from DUB to OPO by booking at least nine months ahead. According to our research, that's the sweet spot for finding a bargain.

  • Plan your trip for August. That's the cheapest month for flights from Dublin Airport to Porto Airport. If you're flexible on when you fly, try out the 'Whole month' tool to see the cheapest price across every month.

  • There's no 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.

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

Handy information about Dublin Airport (DUB)

  • 72.87% of flights departing from Dublin Airport reach their destination on schedule.

  • To get to Dublin Airport from central Dublin, it'll take about 30 minutes by car. This depends on traffic, however. It's approximately 21 kilometres from the airport to the city centre.

  • Planning to take public transport? Expect a trip time of around 2 hours 10 minutes.

  • Looking for a handy hotel close to DUB? If you're catching an early flight from Dublin Airport to Porto Airport, these accommodation options will have you sleeping moments from your departure lounge:

Arriving at Porto Airport (OPO)

Getting from Porto Airport (OPO) to central Porto

  • Porto Airport to central Porto has a drive time of about 20 minutes. It's approximately 16 kilometres away.

  • Getting there by public transport takes roughly 50 minutes.

When to fly to Porto Airport (OPO)

  • The quietest month for a flight from Dublin Airport to Porto Airport is January, while August is the most popular. Pick the best time to go to Porto based on whether you prefer a more fast-paced or easygoing experience.

  • When reserving your flight from Dublin Airport to Porto Airport, consider the kind of weather you enjoy. August is the warmest month in Porto, with the temperature ranging from 14ºC (57ºF) to 32ºC (90ºF).

  • Search for cheap tickets from DUB to OPO in January if you'd rather travel during cooler conditions. Temperatures are at their lowest around then, ranging between 3ºC (37ºF) and 14ºC (57ºF) on average.

Explore more of Portugal

  • Lisbon is just one of the many places in Portugal waiting to be explored once you've seen Porto. Around 274 kilometres away to the south, its best attractions include Torre de Belem Garden, Estrela At Lisbon - Tram 28 and Archaeological museum of Sao Jorge Castle.

  • Amadora is another favourite destination in Portugal and is around 274 kilometres south of Porto. No journey is complete without a visit to Jardim Porta do Viveiro Alfragide, Jardim Caracol do Victor Alfragide and Jardim e estatua Eduardo Jorge.

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