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Cheap flights from Ireland to Porto from £28

DUB — OPO
7 Oct — 14 Oct1
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

Sat 31/1017:00 -
Nonstop2h 25m
Mon 30/1121:00 -
Nonstop2h 25m
Deal found 3/9£50
Mon 19/1019:35 -
Nonstop2h 25m
Sun 25/1009:20 -
Nonstop2h 25m
Deal found 7/9£62
Tue 17/1106:15 -
Nonstop2h 25m
Sun 22/1109:20 -
Nonstop2h 25m
Deal found 2/9£75
Mon 14/1218:10 -
Nonstop2h 25m
Thu 17/1212:15 -
Nonstop2h 25m
Deal found 7/9£76
Sun 18/1018:55 -
Nonstop2h 25m
Sun 25/1009:20 -
Nonstop2h 25m
Deal found 4/9£78
Tue 27/1019:50 -
Nonstop2h 25m
Sat 31/1007:50 -
Nonstop2h 25m
Deal found 2/9£80
Tue 13/1019:20 -
Nonstop2h 25m
Fri 16/1021:45 -
Nonstop2h 25m
Deal found 4/9£86

Find flight deals from Ireland to Porto

Round-trip from

£50

One-way from

£28

Popular in

December

Cheapest in

January

Average price

£153

Good round-trip deal

£125 or less
Ryanair
  • Ryanair
  • 31/10-30/11
  • Nonstop
  • 4h 50m total
  • Ireland to Porto
Search Deals
Ryanair
  • Ryanair
  • 30/10-31/12
  • Nonstop
  • 2h 25m total
  • Ireland to Porto
Search Deals
High demand for flights, 0% 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 September 2026
Search Deals
Price to beat on a round-trip flight from Ireland to Porto.
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Cheapflights Fare Finder

 
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
Fastest return journey

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Wed 21/10

20:45-23:10

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£53

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Sun 3/1

17:45-20:10

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£58

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Fri 30/10

12:50-21:15

1 stop8h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£70

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Wed 7/10

20:45-23:10

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£71

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Mon 14/12

18:10-20:35

Nonstop2h 25m

Porto

Thu 17/12

12:15-14:40

Nonstop2h 25m

£76

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Fri 5/3

12:50-08:10

1 stop19h 20m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£77

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Fri 2/10

18:50-21:15

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£81

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Tue 27/10

19:50-22:15

Nonstop2h 25m

Porto

Sat 31/10

07:50-10:15

Nonstop2h 25m

£81

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Thu 8/10

19:30-21:55

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£85

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Mon 14/12

12:50-08:10

1 stop19h 20m

Porto

Thu 17/12

20:05-12:35

1 stop16h 30m

£107

Flights are sorted by cheapest return flights first.

Deals found on 6/9

Showing 1-10 of 19 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

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, January is the cheapest month in which you can book a flight from Ireland to Porto (average of £113). Flying from Ireland to Porto in December is currently the most expensive (average of £216). 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?

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 37% versus a flight in the afternoon.

How often are flights from Ireland to Porto delayed?

About 31% of weekly flights between Ireland and Porto have experienced delays in the past year, with the average delay time being 119 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 31% 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 28 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

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
5,486 reviews
Check prices

Overall

6.9

Crew

7.5

Food

6.0

Entertainment

5.7

Boarding

6.7

Comfort

6.5

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
5,486 reviews
Ryanair
6.9
Okay
5,486 reviews
Check prices

Overall

6.9

Crew

7.5

Food

6.0

Entertainment

5.7

Boarding

6.7

Comfort

6.5

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

  • 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 28 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 £116. On average you can expect to pay £199. The most popular route, (Dublin - Porto), can usually be booked for £107.

  • 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, January is the cheapest month in which you can book a flight from Ireland to Porto (average of £113). Flying from Ireland to Porto in December is currently the most expensive (average of £216). 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
Guimarães
Santa Maria da Feira
Chaves
Coimbra
Viseu
Aveiro
Vila Nova de Gaia

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Ireland to Porto

AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£63Average£141FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights

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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.

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