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Cheap flights from Ireland to Porto from £26

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/10. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — OPO
16 Aug — 23 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Porto

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Porto
Explore the most affordable flight options available from Ireland to Porto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 Juli 2026.

Di 15/919:20
DUB
-
OPO
Nonstop2h 25m
Ryanair
Di 22/922:25
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 15/7£83
Di 25/806:50
DUB
-
OPO
1 stop15h 20m
Ryanair
Mo 31/821:05
OPO
-
DUB
1 stop13h 50m
Ryanair
Deal found 15/7£87
Sa 14/1117:00
DUB
-
OPO
Nonstop2h 25m
Ryanair
Di 17/1109:10
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 16/7£91
Mi 19/820:45
DUB
-
OPO
Nonstop2h 25m
Ryanair
Mo 31/806:15
OPO
-
DUB
1 stop6h 00m
Ryanair
Deal found 14/7£93
Mi 23/920:45
DUB
-
OPO
Nonstop2h 25m
Ryanair
Do 24/922:20
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 14/7£98
Di 22/919:20
DUB
-
OPO
Nonstop2h 25m
Ryanair
Di 6/1022:25
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 14/7£100
Di 25/806:50
DUB
-
OPO
1 stop15h 20m
Ryanair
Fr 28/815:40
OPO
-
DUB
1 stop9h 15m
Ryanair
Deal found 12/7£101
Sa 14/1111:10
DUB
-
OPO
1 stop5h 50m
Multiple Airlines
Di 17/1109:10
OPO
-
DUB
Nonstop2h 25m
Multiple Airlines
Deal found 16/7£102
So 15/1106:30
DUB
-
OPO
Nonstop2h 25m
Multiple Airlines
Mi 18/1121:55
OPO
-
DUB
1 stop14h 10m
Multiple Airlines
Deal found 16/7£103

Find flight deals from Ireland to Porto

Keep the following information in mind while searching for Ireland to Porto flight deals. Data was last updated 17 Juli 2026.

Round-trip from

£83

One-way from

£26

Popular in

December

Cheapest in

February

Average price

£188

Good round-trip deal

£138 or less
Ryanair
  • Ryanair
  • 15/9-22/9
  • Nonstop
  • 4h 50m total
  • Ireland to Porto
Search Deals
Ryanair
  • Ryanair
  • 18/10
  • Nonstop
  • 2h 25m total
  • Ireland to Porto
Search Deals
Highest demand for flights based on searches. 1% potential increase in price (£1 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
Price to beat on a round-trip flight from Ireland to Porto.
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ireland to Porto that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 Juli 2026.
Use the filters below to find and compare flights from Ireland to Porto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinPorto

DUB - OPO

DUBOPO

Dublin

Di 22/9

19:20-21:45

Nonstop2h 25m

Porto

Di 6/10

22:25-00:50

Nonstop2h 25m

£100
Fastest return journey

DublinPorto

DUB - OPO

DUBOPO

Dublin

So 25/10

06:30-08:55

Nonstop2h 25m

Porto

Mi 28/10

21:35-23:59

Nonstop2h 24m

£123

DublinPorto

DUB - OPO

DUBOPO

Dublin

Di 13/10

18:50-00:40

1 stop5h 50m

Porto

Mi 14/10

05:05-10:00

1 stop4h 55m

£182

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fr 14/8

18:50-21:15

Nonstop2h 25m

Porto

Fr 21/8

21:45-00:10

Nonstop2h 25m

£191

DublinPorto

DUB - OPO

DUBOPO

Dublin

So 23/8

18:50-07:50

1 stop13h 00m

Porto

Di 1/9

22:30-10:00

1 stop11h 30m

£195

DublinPorto

DUB - OPO

DUBOPO

Dublin

So 25/10

04:15-11:00

1 stop6h 45m

Porto

Mi 28/10

05:00-23:20

1 stop18h 20m

£221
Cheapest one-way
Fastest single journey

DublinPorto

DUB - OPO

DUBOPO

Dublin

Di 10/11

06:15-08:40

Nonstop2h 25m

£36

DublinPorto

DUB - OPO

DUBOPO

Dublin

So 30/8

18:55-21:20

Nonstop2h 25m

£57

DublinPorto

DUB - OPO

DUBOPO

Dublin

So 3/1

17:45-20:10

Nonstop2h 25m

£75

DublinPorto

DUB - OPO

DUBOPO

Dublin

Do 23/7

21:30-16:15

2 stops18h 45m

£131

Flights are sorted by cheapest return flights first.

Deals found on 15/7

Showing 1-10 of 16 resultsSorted by cheapest first
1
2

Best time to book a flight from Ireland to Porto

Have a flexible travel schedule? Discover the best time to fly to Porto from Ireland with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Porto

What is the cheapest month to book a flight from Ireland to Porto?

Currently, March is the cheapest month in which you can book a flight from Ireland to Porto (average of £36). Flying from Ireland to Porto in July is currently the most expensive (average of £104). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to OPO?

Find hourly flight availability from Ireland to Porto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 Juli 2026.

When flying from Ireland to Porto, the time of day you fly usually plays a role in the price. Save by searching for a flight at midday, which can drop the price by up to 40% versus a flight in the afternoon.

How often are flights from Ireland to Porto delayed?

About 30% of weekly flights between Ireland and Porto have experienced delays in the past year, with the average delay time being 117 minutes.

What is the most punctual flight time for Ireland to Porto flights?

Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving in the early afternoon tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ireland to Porto flights?

Over the past year, Ryanair have had the lowest number of delays on this route, with just 30% of flights being delayed.

How far ahead should I book a flight from Ireland to Porto?

To ensure you get the cheapest price possible for a flight from Ireland to Porto, you should look to book at least 26 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

Reviews of airlines servicing Porto

Get insights into the airlines that provide service to Porto. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Porto. Reviews last updated 17 Juli 2026.
Read through reviews of airlines operating flights from Ireland to Porto, such as Ryanair. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Ryanair
6.9
Okay
5,435 reviews
Check prices

Crew

7.5

Entertainment

5.7

Overall

6.9

Comfort

6.5

Food

6.0

Boarding

6.7

Reviews

1 / 20
10.0
Excellent

phil,Mar 2025

STN - FAO

Cheap flights left and arrived on time!!! Train companies take note!!!
Ryanair
6.9
Okay
5,435 reviews
Ryanair
6.9
Okay
5,435 reviews
Check prices

Crew

7.5

Entertainment

5.7

Overall

6.9

Comfort

6.5

Food

6.0

Boarding

6.7

Reviews

1 / 20
10.0
Excellent

phil,Mar 2025

STN - FAO

Cheap flights left and arrived on time!!! Train companies take note!!!

Related info for your journey

Find useful and relevant information for your journey from Ireland to Porto. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Porto from Ireland?

    Porto (OPO) is the airport you will fly into if you book a flight from Ireland to Porto. It is only a 6.8 mi journey from Porto (OPO) to Porto’s city center.

  • How popular is this Ireland to Porto flight route?

    Flights from Ireland to Porto have been viewed 34 times in the past calendar month.

  • How long is the flight from Ireland to Porto?

    Departing from Ireland to Porto will take you 2h 25m. Airlines will cover a distance of 848 mi. This flight may include one or multiple stops.

  • What are the cheapest flights from Ireland to Porto?

    The cheapest flight price from Ireland to Porto is £132. On average you can expect to pay £169. The most popular route, (Dublin - Porto), can usually be booked for £264.

  • Can I find deals for flights from Ireland to Porto that include hotel bookings?

    Yes. In addition to deals on Ireland to Porto flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Porto?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Porto.

  • Can I find deals for business class flights from Ireland to Porto?

    Yes. Cheapflights offers flight deals from Ireland to Porto by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to Porto?

    Currently, March is the cheapest month in which you can book a flight from Ireland to Porto (average of £36). Flying from Ireland to Porto in July is currently the most expensive (average of £104). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Santa Maria da Feira
Viseu
Guimarães
Chaves
Coimbra
Vila Nova de Gaia
Aveiro

Browse thousands of different options on Cheapflights for your next trip

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Top airline flying from Ireland to Porto

Discover the top airline that operate flights from Ireland to Porto. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 17 Juli 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£63Average£149FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Ireland to Porto?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Porto from Ireland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ireland to Porto?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ireland to Porto for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Ireland to Porto with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Ireland to Porto flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Ireland to Porto become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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