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Cheap flights from Ireland to Porto from €30

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Ireland to Porto departing on 14/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Ireland to Porto

Recent return flight deals from Ireland to Porto

Ryanair Logo
12:35 - 14:55DUB-OPO
2h 20mdirect
Ryanair Logo
06:30 - 08:50OPO-DUB
2h 20mdirect
€65Ryanair
Find Deal
Thu, 6 Nov - Mon, 10 Nov
Ryanair Logo
12:35 - 14:55DUB-OPO
2h 20mdirect
Ryanair Logo
06:30 - 08:50OPO-DUB
2h 20mdirect
€69Ryanair
Find Deal
Thu, 6 Nov - Mon, 10 Nov
TAP AIR PORTUGAL Logo
04:25 - 11:00DUB-OPO
6h 35m1 stop
TAP AIR PORTUGAL Logo
18:00 - 23:20OPO-DUB
5h 20m1 stop
€124TAP AIR PORTUGAL
Find Deal
Fri, 31 Oct - Fri, 7 Nov
TAP AIR PORTUGAL Logo
11:10 - 19:00DUB-OPO
7h 50m1 stop
TAP AIR PORTUGAL Logo
15:55 - 23:20OPO-DUB
7h 25m1 stop
€129TAP AIR PORTUGAL
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Multiple Airlines Logo
14:35 - 16:50DUB-OPO
2h 15mdirect
Multiple Airlines Logo
22:00 - 12:15OPO-DUB
14h 15m1 stop
€130Multiple Airlines
Find Deal
Sun, 5 Oct - Thu, 9 Oct
Multiple Airlines Logo
22:00 - 10:05DUB-OPO
12h 05m1 stop
Multiple Airlines Logo
22:00 - 12:15OPO-DUB
14h 15m1 stop
€131Multiple Airlines
Find Deal
Sun, 5 Oct - Thu, 9 Oct
Lufthansa Logo
11:45 - 22:25DUB-OPO
10h 40m1 stop
Lufthansa Logo
06:00 - 16:25OPO-DUB
10h 25m1 stop
€140Lufthansa
Find Deal
Tue, 3 Mar - Sat, 7 Mar
Lufthansa Logo
10:50 - 22:25DUB-OPO
11h 35m2 stops
Lufthansa Logo
06:00 - 16:25OPO-DUB
10h 25m1 stop
€166Lufthansa
Find Deal
Tue, 3 Mar - Sat, 7 Mar
KLM Logo
06:10 - 22:25ORK-OPO
16h 15m1 stop
KLM Logo
09:25 - 23:25OPO-ORK
14h 00m1 stop
€585KLM
Find Deal
Sat, 20 Dec - Sat, 3 Jan
KLM Logo
06:10 - 22:25ORK-OPO
16h 15m1 stop
KLM Logo
09:25 - 15:00OPO-ORK
29h 35m2 stops
€638KLM
Find Deal
Sat, 20 Dec - Sat, 3 Jan

Ryanair flights from Ireland to Porto

Our best Ryanair deals on Ireland to Porto flight tickets
Ryanair
6 Nov
DUB12:35Dublin
2h 20m
OPO14:55Porto
10 Nov
OPO06:30Porto
2h 20m
DUB08:50Dublin
€65
Find similar
Ryanair
6 Nov
DUB12:35Dublin
2h 20m
OPO14:55Porto
10 Nov
OPO06:30Porto
2h 20m
DUB08:50Dublin
€69
Find similar
Ryanair
30 Oct
DUB12:35Dublin
2h 20m
OPO14:55Porto
6 Nov
OPO15:20Porto
2h 20m
DUB17:40Dublin
€77
Find similar

Lufthansa flights from Ireland to Porto

Our best Lufthansa deals on Ireland to Porto flight tickets
Lufthansa
3 Mar
DUB11:45Dublin
10h 40m
1 stop
OPO22:25Porto
7 Mar
OPO06:00Porto
10h 25m
1 stop
DUB16:25Dublin
€140
Find similar
Lufthansa
3 Mar
DUB10:50Dublin
11h 35m
2 stops
OPO22:25Porto
7 Mar
OPO06:00Porto
10h 25m
1 stop
DUB16:25Dublin
€166
Find similar
Lufthansa
19 Sept
DUB12:10Dublin
11h 10m
2 stops
OPO23:20Porto
21 Sept
OPO06:00Porto
10h 55m
2 stops
DUB16:55Dublin
€800
Find similar

momondo 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, momondo users made 13,528 searches. Data last updated 17 September 2025.
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

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 6/11

12:35-14:55

Nonstop2h 20m

Porto

Mon 10/11

06:30-08:50

Nonstop2h 20m

€65

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 6/11

12:35-14:55

Nonstop2h 20m

Porto

Mon 10/11

06:30-08:50

Nonstop2h 20m

€69

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 31/10

04:25-11:00

1 stop6h 35m

Porto

Fri 7/11

18:00-23:20

1 stop5h 20m

€124

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 31/10

11:10-19:00

1 stop7h 50m

Porto

Fri 7/11

15:55-23:20

1 stop7h 25m

€129

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 5/10

14:35-16:50

Nonstop2h 15m

Porto

Thu 9/10

22:00-12:15

1 stop14h 15m

€130

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 5/10

22:00-10:05

1 stop12h 05m

Porto

Thu 9/10

22:00-12:15

1 stop14h 15m

€131

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 3/3

11:45-22:25

1 stop10h 40m

Porto

Sat 7/3

06:00-16:25

1 stop10h 25m

€140

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 3/3

10:50-22:25

2 stops11h 35m

Porto

Sat 7/3

06:00-16:25

1 stop10h 25m

€166

CorkPorto

ORK - OPO

ORKOPO

Cork

Sat 20/12

06:10-22:25

1 stop16h 15m

Porto

Sat 3/1

09:25-23:25

1 stop14h 00m

€585

CorkPorto

ORK - OPO

ORKOPO

Cork

Sat 20/12

06:10-22:25

1 stop16h 15m

Porto

Sat 3/1

09:25-15:00

2 stops29h 35m

€638

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Porto from

How to get the cheapest flight ticket from Ireland to Porto

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Porto?

The cheapest month to fly to Porto from Ireland is in February. Flight prices, which tend to average around €117, are often lower during this time because this is during the off-season. If you are unable to visit Porto during the month of February, then departing from Ireland during the month January is also very affordable. Most momondo users find prices during this month for around €137.

What is the cheapest day to depart on your flight to Porto?

The cheapest day to depart from Ireland to Porto is on a Monday when prices can be found for as low as €178. When flying out on a Saturday, the most expensive travel day of the week, you can expect to see flight prices from Ireland to Porto for around €254.

What is the cheapest time of day to depart on your flight to Porto?

Our data shows that the cheapest Ireland to Porto flights are usually those with departure times in the morning. Our users have found flights to Porto in the morning for as low as €200. Flights to Porto are more costly at midday, with an average ticket price of €384. Departure times at midday fall within the peak daily travel times, which is why tickets can be more expensive.

How far in advance should I book a flight to Porto?

You are more likely to see cheaper flights to Porto from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Porto for around €193 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Porto from Ireland for as low as €139 on momondo.

Cheap Ireland to Porto flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ireland to Porto

Fastest flight time

2h 15m

Direct flights

Every day

Airports in Porto

1 airport
The fastest flight from Ireland to Porto takes 2h 15m
Direct flights go from Ireland to Porto every day.
There is 1 airport near Porto: Porto (OPO)
Search flight deals

  • When did momondo last update prices for flights from Ireland to Porto Airport?

    Prices for flights from Ireland to Porto Airport refresh daily.

  • How many operators does momondo search for flights from Ireland to Porto Airport?

  • How old do you have to be to fly from Ireland to Porto Airport?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Ireland to Porto Airport.

  • What documentation or ID do you need to fly to Porto Airport?

    The necessary travel and health documents for your Porto Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Ireland to Porto?

Best airlines flying from Ireland to Porto

Compare and see reviews for airlines that fly from Ireland to Porto with momondo
Airline
Rating
Free Cancellation
Price
TAP AIR PORTUGALPriceFrom €112Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom €135Free CancellationRating
7.8
1,386 reviews
Search KLM flights

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Matosinhos
Viseu
Aveiro
Vila Nova de Gaia
Chaves
Esposende
Braga
Coimbra
Pinhao
Lamego
Mira
Ponte de Lima
Caminha

Why use momondo?

Why should I use momondo to find a flight deal from Ireland to Porto?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Porto from Ireland.

Can I find flights from Ireland to Porto with flexible booking policies on momondo?

Yes. All flights to Porto from Ireland on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from Ireland to Porto?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to Porto.

I’m not ready to book a flight from Ireland to Porto right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Porto from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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