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Cheap flights from Ireland to Porto from £41

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 5/5. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — OPO
11 May — 18 May1
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 11 April 2026.

Mon 18/515:40
DUB
-
OPO
1 stop5h 00m
Ryanair
Thu 21/522:20
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 10/4£68
Tue 5/514:50
DUB
-
OPO
1 stop7h 20m
Ryanair
Tue 12/506:05
OPO
-
DUB
1 stop9h 30m
Ryanair
Deal found 7/4£83
Tue 5/507:55
DUB
-
OPO
2 stops14h 00m
Multiple Airlines
Tue 12/522:35
OPO
-
DUB
1 stop11h 00m
Multiple Airlines
Deal found 7/4£96
Thu 14/506:10
DUB
-
OPO
1 stop15h 10m
Ryanair
Sun 17/522:20
OPO
-
DUB
2 stops16h 45m
Ryanair
Deal found 7/4£97
Mon 15/621:50
DUB
-
OPO
1 stop13h 10m
Ryanair
Fri 19/621:45
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 9/4£102
Tue 9/614:50
DUB
-
OPO
1 stop7h 20m
Ryanair
Wed 17/606:35
OPO
-
DUB
1 stop5h 40m
Ryanair
Deal found 9/4£103
Tue 30/609:20
DUB
-
OPO
1 stop6h 30m
Ryanair
Tue 7/722:35
OPO
-
DUB
1 stop11h 00m
Ryanair
Deal found 7/4£103
Thu 7/507:45
DUB
-
OPO
2 stops23h 40m
Multiple Airlines
Mon 11/518:50
OPO
-
DUB
1 stop16h 05m
Multiple Airlines
Deal found 6/4£104
Thu 7/506:25
DUB
-
OPO
1 stop14h 40m
Ryanair
Mon 11/518:50
OPO
-
DUB
1 stop16h 05m
Ryanair
Deal found 6/4£107

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 11 April 2026.

Round-trip from

£68

One-way from

£41

Popular in

December

Cheapest in

January

Average price

£176

Good round-trip deal

£123 or less
Ryanair
  • Ryanair
  • 18/5-21/5
  • 1 total stop
  • 7h 25m total
  • Ireland to Porto
Search Deals
Ryanair
  • Ryanair
  • 5/5
  • 1 total stop
  • 7h 20m total
  • Ireland to Porto
Search Deals
High demand for flights, 4% potential price rise
Search Deals
Cheapest flight prices on average. 3% potential price decrease (£4 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 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 11 April 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

Fri 1/5

18:50-06:50

2 stops12h 00m

Porto

Mon 4/5

20:50-09:10

1 stop12h 20m

£150
Fastest return journey

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 28/8

18:50-00:40

1 stop5h 50m

Porto

Fri 4/9

05:05-10:00

1 stop4h 55m

£167

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 2/10

18:50-00:40

1 stop5h 50m

Porto

Mon 5/10

23:50-18:05

1 stop18h 15m

£206

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 19/5

18:50-09:00

1 stop14h 10m

Porto

Wed 20/5

21:15-00:05

1 stop26h 50m

£214

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 25/4

10:45-20:25

1 stop9h 40m

Porto

Mon 27/4

22:30-18:05

1 stop19h 35m

£237

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 5/6

11:10-18:15

1 stop7h 05m

Porto

Mon 8/6

19:00-08:20

1 stop13h 20m

£247

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 5/6

18:50-00:40

1 stop5h 50m

Porto

Mon 8/6

05:05-18:05

1 stop13h 00m

£283

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 29/9

18:35-13:45

2 stops19h 10m

Porto

Sat 3/10

14:35-07:55

2 stops17h 20m

£298
Cheapest one-way

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 15/5

18:15-17:15

2 stops23h 00m

£60

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 8/5

19:05-08:45

1 stop13h 40m

£89

Flights are sorted by cheapest return flights first.

Deals found on 11/4

Showing 1-10 of 17 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, November is the cheapest month in which you can book a flight from Ireland to Porto (average of £48). Flying from Ireland to Porto in August is currently the most expensive (average of £149). 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 11 April 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 35% versus a flight in the afternoon.

How often are flights from Ireland to Porto delayed?

About 29% of weekly flights between Ireland and Porto have experienced delays in the past year, with the average delay time being 114 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?

Monday 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 29% of flights being delayed.

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 11 April 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
5,324 reviews
Check prices

Crew

7.5

Entertainment

5.6

Comfort

6.5

Food

6.0

Overall

6.9

Boarding

6.7

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight
Ryanair
6.9
Okay
5,324 reviews
Ryanair
6.9
Okay
5,324 reviews
Check prices

Crew

7.5

Entertainment

5.6

Comfort

6.5

Food

6.0

Overall

6.9

Boarding

6.7

Reviews

1 / 20
2.0
Mediocre

brendan,Sept 2025

MAN - NTE

It would have been better if I had a flown with Ryanair but I was ill and warm be coming back on the return flight

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 45 times in the past calendar month.

  • How long is the flight from Ireland to Porto?

    Departing from Ireland to Porto will take you 5h 50m. Airlines will cover a distance of 848 mi.

  • What are the cheapest flights from Ireland to Porto?

    The cheapest flight price from Ireland to Porto is £96. On average you can expect to pay £183. The most popular route, (Dublin - Porto), can usually be booked for £44.

  • 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, November is the cheapest month in which you can book a flight from Ireland to Porto (average of £48). Flying from Ireland to Porto in August is currently the most expensive (average of £149). 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
Coimbra
Chaves
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 11 April 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£53Average£164FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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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