Cheap flights from Ireland to Porto from £24

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 17/1. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — OPO
20 Dec — 27 Dec1
1 adult
1 adult, Economy, 0 bags

Find 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 20 November 2025.

Tue 16/1207:00DUB - OPO
1 stop8h 25mRyanair
Fri 19/1209:45OPO - DUB
Nonstop2h 20mRyanair
Deal found 18/11£68
Sun 7/1210:50DUB - OPO
Nonstop2h 20mRyanair
Sun 14/1207:55OPO - DUB
Nonstop2h 20mRyanair
Deal found 19/11£113
Wed 10/1205:10DUB - OPO
1 stop6h 30mLufthansa
Sat 13/1206:15OPO - DUB
1 stop10h 55mLufthansa
Deal found 18/11£124
Sun 23/1110:50DUB - OPO
Nonstop2h 20mRyanair
Tue 25/1109:35OPO - DUB
1 stop24h 05mRyanair
Deal found 19/11£131
Tue 16/1208:05DUB - OPO
2 stops23h 50mMultiple Airlines
Fri 19/1206:30OPO - DUB
2 stops15h 40mMultiple Airlines
Deal found 18/11£134
Sun 23/1110:50DUB - OPO
Nonstop2h 20mMultiple Airlines
Tue 25/1116:05OPO - DUB
1 stop7h 50mMultiple Airlines
Deal found 19/11£135

Cheap flight deals from Ireland to Porto

Keep the following information in mind while searching for Ireland to Porto flight deals. Data was last updated 20 November 2025.

Round-trip from

£56

One-way from

£24

Popular in

June

Cheapest in

February

Average price

£159

Good round-trip deal

£50 or less
Ryanair
  • Ryanair
  • 4/12-13/12
  • Nonstop
  • 4h 40m total
  • Ireland to Porto
Ryanair
  • Ryanair
  • 17/1
  • Nonstop
  • 2h 20m total
  • Ireland to Porto
Highest demand for flights based on searches. 13% potential increase in price (£18 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£5 potential savings vs. average return price).
Average for round-trip flights in November 2025
Price to beat on a round-trip flight from Ireland to Porto.

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 20 November 2025.
Use the filters below to find and compare flights from Ireland to Porto that are best for you.

Fly from

Ireland

Fly to

Porto

Route

Depart

Return

Price

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 2/1

12:30-14:50

Nonstop2h 20m

Porto

Fri 9/1

06:20-14:55

1 stop8h 35m

£98

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 10/12

05:10-11:40

1 stop6h 30m

Porto

Sat 13/12

06:15-17:10

1 stop10h 55m

£124

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 31/12

04:25-10:15

1 stop5h 50m

Porto

Sun 4/1

06:55-23:20

1 stop16h 25m

£141

DublinPorto

DUB - OPO

DUBOPO

Dublin

Mon 13/4

18:50-07:50

1 stop13h 00m

Porto

Wed 22/4

10:00-23:55

1 stop13h 55m

£145

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 9/1

11:10-19:00

1 stop7h 50m

Porto

Sun 11/1

05:00-10:20

1 stop5h 20m

£159

DublinPorto

DUB - OPO

DUBOPO

Dublin

Mon 16/3

17:05-08:00

1 stop14h 55m

Porto

Fri 20/3

11:00-10:20

1 stop23h 20m

£165

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 15/3

04:15-09:50

1 stop5h 35m

Porto

Thu 19/3

18:00-23:20

1 stop5h 20m

£169

DublinPorto

DUB - OPO

DUBOPO

Dublin

Mon 2/3

17:05-15:00

1 stop21h 55m

Porto

Thu 5/3

16:00-23:20

1 stop7h 20m

£169

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 17/1

08:55-11:15

Nonstop2h 20m

£24

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 8/4

20:45-23:10

Nonstop2h 25m

£52

Flights are sorted by cheapest return flights first.

Deals found on 18/11

Showing 1-10 of 18 results
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 £50). Flying from Ireland to Porto in June is currently the most expensive (average of £145). 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 20 November 2025.

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 50% versus a flight in the morning.

How often are flights $[0, preposition:'from ']$[0, article:'from ']$[0, place:'from'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] delayed?

About 29% of weekly flights between $[0, place:'genitive'] and $[1, place:'genitive'] have experienced delays in the past year, with the average delay time being 115 minutes.

What is the most punctual flight time for $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] 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.

Which airline has the best punctuality record on $[0,article:'genitive ']$[0,place:'genitive'] $[1, preposition:'to ']$[1, article:'to ']$[1, place:'to'] 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 20 November 2025.
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.

Boarding

6.7

Entertainment

5.6

Overall

6.8

Food

6.0

Crew

7.5

Comfort

6.5

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

Boarding

6.7

Entertainment

5.6

Overall

6.8

Food

6.0

Crew

7.5

Comfort

6.5

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?

  • How long is the flight from Ireland to Porto?

    Departing from Ireland to Porto will take you 2h 20m. Airlines will cover a distance of 848 mi. All flights are typically direct.

  • What are the cheapest flights from Ireland to Porto?

    The cheapest flight price from Ireland to Porto is £49. On average you can expect to pay £196. The most popular route, (Dublin - Porto), can usually be booked for £162.

  • 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 £50). Flying from Ireland to Porto in June is currently the most expensive (average of £145). 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
Coimbra
Guimarães
Chaves
Viseu
Vila Nova de Gaia
Aveiro

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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 20 November 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£88Average£172FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights

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

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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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