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Cheap flights from Ireland to Porto from £40

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 28/4. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — OPO
7 Apr — 14 Apr1
1 adult

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 2 April 2025.

Round-trip from

£65

One-way from

£40

Popular in

December

Cheapest in

February

Average price

£151

Good round-trip deal

£154 or less

Good one-way deal

£88 or less
Ryanair
  • Ryanair
  • 29/4-6/5
  • Nonstop
  • 4h 50m total
  • Ireland to Porto
Ryanair
  • Ryanair
  • 28/4
  • Nonstop
  • 2h 25m total
  • Ireland to Porto
High demand for flights, 1% potential price rise
Cheapest flight prices on average. 4% potential price decrease (£6 potential savings vs. average return price).
Average for round-trip flights in April 2025
Price to beat on a round-trip flight from Ireland to Porto.
Price to beat on a one-way flight from Ireland to Porto.

Find flight deals from Ireland to Porto

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 2 April 2025.

Tue 29/419:35DUB - OPO
Nonstop2h 25mRyanair
Tue 6/522:25OPO - DUB
Nonstop2h 25mRyanair
Deal found 1/4£65
Tue 6/521:45DUB - OPO
1 stop10h 15mMultiple Airlines
Wed 21/510:50OPO - DUB
Nonstop2h 25mMultiple Airlines
Deal found 1/4£101
Sat 29/1113:35DUB - OPO
1 stop18h 25mVueling
Mon 1/1221:55OPO - DUB
1 stop16h 00mVueling
Deal found 2/4£104
Fri 28/1104:25DUB - OPO
1 stop20h 05mTAP AIR PORTUGAL
Mon 1/1205:00OPO - DUB
1 stop5h 20mTAP AIR PORTUGAL
Deal found 2/4£106
Sat 17/505:55DUB - OPO
1 stop12h 15mKLM
Sat 24/518:55OPO - DUB
1 stop13h 25mKLM
Deal found 1/4£128
Sat 17/508:40DUB - OPO
1 stop23h 15mSWISS
Sat 24/519:20OPO - DUB
1 stop12h 35mSWISS
Deal found 2/4£173
Thu 8/509:00DUB - OPO
1 stop13h 45mLufthansa
Mon 12/506:15OPO - DUB
1 stop10h 40mLufthansa
Deal found 1/4£233
Thu 24/709:15DUB - OPO
1 stop10h 40mIberia
Fri 8/820:35OPO - DUB
1 stop15h 35mIberia
Deal found 1/4£258
Wed 23/709:00DUB - OPO
2 stops24h 35mAustrian Airlines
Tue 30/913:30OPO - DUB
2 stops8h 45mAustrian Airlines
Deal found 1/4£313
Thu 8/510:40DUB - OPO
1 stop8h 00mBritish Airways
Mon 12/521:10OPO - DUB
1 stop10h 35mBritish Airways
Deal found 1/4£389

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 2 April 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

Tue 29/4

19:35-22:00

Nonstop2h 25m

Porto

Tue 6/5

22:25-00:50

Nonstop2h 25m

£65

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 6/5

21:45-08:00

1 stop10h 15m

Porto

Wed 21/5

10:50-13:15

Nonstop2h 25m

£101

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 17/5

05:55-18:10

1 stop12h 15m

Porto

Sat 24/5

18:55-08:20

1 stop13h 25m

£128

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 17/5

08:40-07:55

1 stop23h 15m

Porto

Sat 24/5

19:20-07:55

1 stop12h 35m

£173

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 30/8

05:30-16:55

1 stop11h 25m

Porto

Thu 4/9

16:00-00:05

1 stop8h 05m

£182

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 8/5

09:00-22:45

1 stop13h 45m

Porto

Mon 12/5

06:15-16:55

1 stop10h 40m

£233

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 24/7

09:15-19:55

1 stop10h 40m

Porto

Fri 8/8

20:35-12:10

1 stop15h 35m

£258

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 23/7

09:00-09:35

2 stops24h 35m

Porto

Tue 30/9

13:30-22:15

2 stops8h 45m

£313

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 8/5

10:40-18:40

1 stop8h 00m

Porto

Mon 12/5

21:10-07:45

1 stop10h 35m

£389

DublinPorto

DUB - OPO

DUBOPO

Dublin

Mon 28/4

10:45-13:10

Nonstop2h 25m

£40

Flights are sorted by cheapest return flights first.

Deals found on 1/4

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, February is the cheapest month in which you can book a flight from Ireland to Porto (average of £66). Flying from Ireland to Porto in August is currently the most expensive (average of £258). 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 2 April 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 in the afternoon, which can drop the price by up to 17% versus a flight at midday.

Rainfall in Porto by month

Plan your trip to Porto by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Porto ranges from 18.0 - 195.0 inches per month. December is typically the wettest month, when rainfall can reach 195.0 mm. July is typically the driest time to visit Porto when rainfall is around 18.0 mm.

Temperature in Porto by month

Plan your trip to Porto by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Porto, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 20.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 9.0 C).

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 2 April 2025.
See what other customers who have flown with Norwegian, KLM and Austrian Airlines from Ireland to Porto have to say. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

7.7

Overall

7.9

Food

6.6

Crew

8.2

Entertainment

6.2

Comfort

7.6

Reviews

1 / 1
10.0
Excellent

Anonymous,Sept 2024

OSL - LGW

The experience was great, the crew was very helpful and amazing

Boarding

7.7

Overall

7.9

Food

6.6

Crew

8.2

Entertainment

6.2

Comfort

7.6

Reviews

1 / 1
10.0
Excellent

Anonymous,Sept 2024

OSL - LGW

The experience was great, the crew was very helpful and amazing

Boarding

7.7

Overall

7.9

Food

6.6

Crew

8.2

Entertainment

6.2

Comfort

7.6

Reviews

1 / 1
10.0
Excellent

Anonymous,Sept 2024

OSL - LGW

The experience was great, the crew was very helpful and amazing

Boarding

7.7

Overall

7.9

Food

6.6

Crew

8.2

Entertainment

6.2

Comfort

7.6

Reviews

1 / 1
10.0
Excellent

Anonymous,Sept 2024

OSL - LGW

The experience was great, the crew was very helpful and amazing

Boarding

7.7

Overall

7.9

Food

6.6

Crew

8.2

Entertainment

6.2

Comfort

7.6

Reviews

1 / 1
10.0
Excellent

Anonymous,Sept 2024

OSL - LGW

The experience was great, the crew was very helpful and amazing

Boarding

7.7

Overall

7.9

Food

6.6

Crew

8.2

Entertainment

6.2

Comfort

7.6

Reviews

1 / 1
10.0
Excellent

Anonymous,Sept 2024

OSL - LGW

The experience was great, the crew was very helpful and amazing

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?

  • What are the cheapest airlines to fly from Ireland to Porto one-way?

    One-way options have recently been found by users for as low as £40 on Ryanair. Other airlines that offer cheap prices include Transavia France from £64 and Norwegian from £71 one-way.

  • What are the cheapest flights from Ireland to Porto?

    The cheapest flight price from Ireland to Porto is £79. On average you can expect to pay £159. The most popular route, (Dublin - Porto), can usually be booked for £139.

  • 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, February is the cheapest month in which you can book a flight from Ireland to Porto (average of £66). Flying from Ireland to Porto in August is currently the most expensive (average of £258). 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 Ireland?

Book flights to Ireland if you plan to visit one of these locations
Coimbra
Viseu
Guimarães
Vila Nova de Gaia
Aveiro

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Ireland to Porto

Discover the top 2 airlines 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 2 April 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£78Average£184FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
RyanairCheapest£89Average£151FlexibilityNo 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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