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Cheap flights from Ireland to Porto from £21

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 24/2. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — OPO
27 Jan — 3 Feb1
1 adult

Cheap flight deals from Ireland to Porto

Discover tips and strategies to find the most affordable flight options for your journey from Ireland (IE0) to Porto (OPO). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 22 January 2025.

Round-trip from

£48

One-way from

£21

Good round-trip deal

£109 or less

Good one-way deal

£182 or less
Ryanair
  • Ryanair
  • 27/2-6/3
  • Nonstop
  • 4h 50m total
  • Ireland to Porto
Ryanair
  • Ryanair
  • 24/2
  • Nonstop
  • 2h 25m total
  • Ireland to Porto
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 22 January 2025.

Thu 27/209:10DUB - OPO
Nonstop2h 25mRyanair
Thu 6/306:10OPO - DUB
Nonstop2h 25mRyanair
Deal found 20/1£48
Tue 28/116:55DUB - OPO
1 stop17h 15mTAP AIR PORTUGAL
Tue 4/220:00OPO - DUB
1 stop27h 20mTAP AIR PORTUGAL
Deal found 21/1£107
Sun 7/905:30DUB - OPO
1 stop13h 30mMultiple Airlines
Wed 17/910:50OPO - DUB
Nonstop2h 25mMultiple Airlines
Deal found 21/1£110
Fri 7/217:25DUB - OPO
1 stop17h 05mKLM
Mon 10/216:10OPO - DUB
1 stop15h 55mKLM
Deal found 20/1£120
Thu 20/218:40DUB - OPO
1 stop22h 00mSWISS
Thu 27/219:30OPO - DUB
1 stop16h 25mSWISS
Deal found 20/1£155
Wed 11/619:00DUB - OPO
1 stop14h 30mTransavia France
Fri 13/608:05OPO - DUB
1 stop11h 10mTransavia France
Deal found 21/1£181
Sat 29/305:00DUB - OPO
2 stops18h 35mLufthansa
Mon 31/316:35OPO - DUB
1 stop15h 30mLufthansa
Deal found 20/1£182
Wed 9/412:10DUB - OPO
2 stops21h 25mAustrian Airlines
Sun 13/418:45OPO - DUB
2 stops22h 05mAustrian Airlines
Deal found 21/1£254

Find flights from Ireland to Porto within your budget

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 22 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 27/2

09:10-11:35

Nonstop2h 25m

Porto

Thu 6/3

06:10-08:35

Nonstop2h 25m

£48

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 7/2

17:25-10:30

1 stop17h 05m

Porto

Mon 10/2

16:10-08:05

1 stop15h 55m

£120

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 12/3

18:45-14:55

2 stops20h 10m

Porto

Thu 13/3

19:00-07:55

1 stop12h 55m

£125

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 6/2

04:25-09:55

1 stop5h 30m

Porto

Mon 10/2

10:10-16:10

1 stop6h 00m

£137

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 20/2

18:40-16:40

1 stop22h 00m

Porto

Thu 27/2

19:30-11:55

1 stop16h 25m

£155

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 20/2

05:15-12:50

2 stops7h 35m

Porto

Thu 27/2

06:00-16:40

1 stop10h 40m

£176

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 11/6

19:00-09:30

1 stop14h 30m

Porto

Fri 13/6

08:05-19:15

1 stop11h 10m

£181

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 9/4

12:10-09:35

2 stops21h 25m

Porto

Sun 13/4

18:45-16:50

2 stops22h 05m

£254

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 6/2

08:40-16:05

1 stop7h 25m

Porto

Mon 10/2

08:20-19:35

2 stops11h 15m

£427

DublinPorto

DUB - OPO

DUBOPO

Dublin

Mon 24/2

20:35-23:00

Nonstop2h 25m

£21

Flights are sorted by cheapest return flights first.

Deals found on 20/1

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.

Travel insights for flights from Ireland to Porto

Get recent, data-driven insights about flights from Ireland to Porto including ideal travel times, pricing trends, and more.

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 22 January 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 32% versus a flight in the afternoon.

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 22 January 2025.
See what other customers who have flown with Ryanair, TAP AIR PORTUGAL and KLM 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.
7.8
Good
1,341 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.8
Good
1,341 reviews
7.8
Good
1,341 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.6
Good
786 reviews
7.8
Good
1,341 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.5
Good
1,600 reviews
7.8
Good
1,341 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.4
Good
339 reviews
7.8
Good
1,341 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

7.2
Good
1,869 reviews
7.8
Good
1,341 reviews

Boarding

7.8

Food

7.3

Overall

7.8

Crew

8.4

Comfort

7.7

Entertainment

7.2

Reviews

1 / 10

I could not select a seat prior to check in as systems not integrated. Different PNRs should be on reservation which would make process easier.

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 £21 on Ryanair. Other airlines that offer cheap prices include KLM from £63 and TAP AIR PORTUGAL from £71 one-way.

  • What are the cheapest flights from Ireland to Porto?

    The cheapest flight price from Ireland to Porto is £74. On average you can expect to pay £160. The most popular route, (Dublin - Porto), can usually be booked for £237.

  • 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 22 January 2025.
AirlineCheapestAverageFlexibilityOn-time
TAP AIR PORTUGALCheapest£82Average£194FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
RyanairCheapest£93Average£154FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights

Fly with Cheapflights

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

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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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