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Cheap flights from Ireland to Porto from £13

DUB — OPO
5 Nov — 12 Nov1
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

Tue 24/1106:15 -
Nonstop2h 25m
Sun 29/1109:20 -
Nonstop2h 25m
Deal found 2/10£37
Sat 28/1117:00 -
Nonstop2h 25m
Sun 29/1109:20 -
Nonstop2h 25m
Deal found 3/10£42
Sat 21/1117:00 -
Nonstop2h 25m
Sun 22/1109:20 -
Nonstop2h 25m
Deal found 5/10£45
Sat 7/1117:00 -
Nonstop2h 25m
Sat 14/1119:50 -
Nonstop2h 25m
Deal found 1/10£47
Sat 21/1117:00 -
Nonstop2h 25m
Mon 23/1121:00 -
Nonstop2h 25m
Deal found 2/10£51
Sat 31/1017:00 -
Nonstop2h 25m
Sat 7/1119:50 -
Nonstop2h 25m
Deal found 3/10£52
Sun 8/1106:30 -
Nonstop2h 25m
Fri 13/1121:45 -
Nonstop2h 25m
Deal found 5/10£53
Tue 17/1106:15 -
Nonstop2h 25m
Tue 24/1109:10 -
Nonstop2h 25m
Deal found 3/10£54
Sat 21/1117:00 -
Nonstop2h 25m
Tue 24/1109:10 -
Nonstop2h 25m
Deal found 3/10£57
Wed 28/1005:40 -
1 stop9h 45m
Sun 1/1105:00 -
1 stop5h 40m
Deal found 5/10£194
Fri 13/1117:30 -
1 stop17h 00m
Sun 15/1105:00 -
1 stop5h 40m
Deal found 4/10£230
Sun 15/1116:05 -
1 stop24h 40m
Tue 17/1120:40 -
2 stops24h 20m
Deal found 4/10£315

Find flight deals from Ireland to Porto

Round-trip from

£37

One-way from

£13

Popular in

December

Cheapest in

January

Average price

£123

Good round-trip deal

£113 or less
Ryanair
  • Ryanair
  • 24/11-29/11
  • Nonstop
  • 4h 50m total
  • Ireland to Porto
Search Deals
Ryanair
  • Ryanair
  • 24/11-31/12
  • Nonstop
  • 2h 25m total
  • Ireland to Porto
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (£10 potential increase over avg. return price).
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 October 2026
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Price to beat on a round-trip flight from Ireland to Porto.
Search Deals

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

Sun 6/12

06:30-08:55

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£17

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Mon 16/11

11:25-13:50

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£30

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Sun 15/11

06:30-08:55

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£30

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Sun 1/11

06:30-08:55

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£30

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Tue 24/11

06:15-08:40

Nonstop2h 25m

Porto

Sun 29/11

09:20-11:45

Nonstop2h 25m

£37

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Fri 20/11

18:55-21:20

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£47

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Sat 7/11

17:00-19:25

Nonstop2h 25m

Porto

Sat 14/11

19:50-22:15

Nonstop2h 25m

£47

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Wed 28/10

18:45-21:10

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£53

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Mon 16/11

11:25-13:50

Nonstop2h 25m

Porto

Mon 23/11

21:00-23:25

Nonstop2h 25m

£62

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

£67

Flights are sorted by cheapest return flights first.

Deals found on 5/10

Showing 1-10 of 25 resultsSorted by cheapest first
1
2
3

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 £116). Flying from Ireland to Porto in December is currently the most expensive (average of £218). 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 32% of weekly flights between Ireland and Porto have experienced delays in the past year, with the average delay time being 115 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 32% 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 27 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
5,445 reviews
Check prices

Crew

7.5

Food

6.0

Boarding

6.7

Entertainment

5.7

Overall

6.9

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
5,445 reviews
Ryanair
6.9
Okay
5,445 reviews
Check prices

Crew

7.5

Food

6.0

Boarding

6.7

Entertainment

5.7

Overall

6.9

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 29 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 £81. On average you can expect to pay £169. The most popular route, (Dublin - Porto), can usually be booked for £113.

  • 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 £116). Flying from Ireland to Porto in December is currently the most expensive (average of £218). 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£65Average£144FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights

Fly with Cheapflights

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

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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.

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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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