What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Ireland to Porto flights?

According to our data, Ryanair have had the fewest delays on this route over the last 12 months, with about 29% of their flights experiencing any sort of delay.

What is the most punctual flight time for Ireland to Porto flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

How often are flights from Ireland to Porto delayed?

Historically, on average around 29% of flights between Ireland and Porto have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

How long does it take to fly to Porto?

On average, it takes 2h 15m to fly from Ireland to Porto if you fly out of Shannon (the most popular airport in Ireland) and into Porto (the most popular airport in Porto). If you’re flying out of Dublin and into Porto, then the flight time is around 2h 20m.

What is the cheapest airline that flies from Ireland to Porto?

Ryanair is the most popular carrier operating from Ireland to Porto

How many flights depart from Ireland to Porto on average per week?

As of December 2025, 2 flights take off from Ireland and land in Porto each week. The most common flight departure day for this route is Mon, with 50% of weekly flights taking off on this day.

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?

There are 2 operators available for flights from Ireland to Porto Airport as of December 2025.

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.

€18 Cheap Flights from Ireland to Porto in 2025/26

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Find the cheapest flights from Ireland to Porto

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Recent return flight deals from Ireland to Porto

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12:30 - 14:50

DUB

OPO

2h 20mdirect

07:55 - 10:15

OPO

DUB

2h 20mdirect

€45Ryanair

Fri, 9 Jan - Sun, 25 Jan

18:10 - 20:30

DUB

OPO

2h 20mdirect

07:55 - 10:15

OPO

DUB

2h 20mdirect

€46Ryanair

Tue, 6 Jan - Sun, 25 Jan

17:15 - 19:35

DUB

OPO

2h 20mdirect

07:55 - 10:15

OPO

DUB

2h 20mdirect

€48Ryanair

Sat, 24 Jan - Sun, 25 Jan

17:15 - 19:35

DUB

OPO

2h 20mdirect

07:55 - 10:15

OPO

DUB

2h 20mdirect

€50Ryanair

Sat, 24 Jan - Sun, 25 Jan

08:55 - 11:15

DUB

OPO

2h 20mdirect

07:55 - 10:15

OPO

DUB

2h 20mdirect

€52Ryanair

Sat, 24 Jan - Sun, 25 Jan

10:50 - 13:10

DUB

OPO

2h 20mdirect

07:55 - 10:15

OPO

DUB

2h 20mdirect

€54Ryanair

Sun, 18 Jan - Sun, 25 Jan

18:10 - 20:30

DUB

OPO

2h 20mdirect

21:05 - 23:25

OPO

DUB

2h 20mdirect

€55Ryanair

Tue, 6 Jan - Tue, 13 Jan

12:35 - 14:55

DUB

OPO

2h 20mdirect

06:30 - 08:50

OPO

DUB

2h 20mdirect

€57Ryanair

Thu, 8 Jan - Mon, 12 Jan

18:50 - 19:40

ORK

OPO

24h 50m2 stops

18:10 - 08:15

OPO

ORK

14h 05m2 stops

€154Multiple Airlines

Sat, 17 Jan - Sat, 24 Jan

18:50 - 19:40

ORK

OPO

24h 50m2 stops

08:20 - 08:15

OPO

ORK

23h 55m2 stops

€157Multiple Airlines

Sat, 17 Jan - Sat, 24 Jan

Ryanair flights from Ireland to Porto

Our best Ryanair deals on Ireland to Porto flight tickets

Ryanair

9 Jan

DUB12:30Dublin

2h 20m

OPO14:50Porto

25 Jan

OPO07:55Porto

2h 20m

DUB10:15Dublin

€45

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Ryanair

6 Jan

DUB18:10Dublin

2h 20m

OPO20:30Porto

25 Jan

OPO07:55Porto

2h 20m

DUB10:15Dublin

€46

Find similar

Ryanair

24 Jan

DUB17:15Dublin

2h 20m

OPO19:35Porto

25 Jan

OPO07:55Porto

2h 20m

DUB10:15Dublin

€48

Find similar

British Airways flights from Ireland to Porto

Our best British Airways deals on Ireland to Porto flight tickets

British Airways

17 Jan

ORK20:10Cork

23h 05m

1 stop

OPO19:15Porto

24 Jan

OPO08:20Porto

15h 05m

2 stops

ORK23:25Cork

€368

Find similar

British Airways

17 Jan

ORK16:05Cork

27h 10m

1 stop

OPO19:15Porto

24 Jan

OPO20:40Porto

18h 45m

2 stops

ORK15:25Cork

€386

Find similar

Fly from

Fly to

Route

Depart

Return

Price

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 9/1

12:30-14:50

Nonstop2h 20m

Porto

Sun 25/1

07:55-10:15

Nonstop2h 20m

€45

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 6/1

18:10-20:30

Nonstop2h 20m

Porto

Sun 25/1

07:55-10:15

Nonstop2h 20m

€46

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 24/1

17:15-19:35

Nonstop2h 20m

Porto

Sun 25/1

07:55-10:15

Nonstop2h 20m

€48

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 24/1

17:15-19:35

Nonstop2h 20m

Porto

Sun 25/1

07:55-10:15

Nonstop2h 20m

€50

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 24/1

08:55-11:15

Nonstop2h 20m

Porto

Sun 25/1

07:55-10:15

Nonstop2h 20m

€52

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 18/1

10:50-13:10

Nonstop2h 20m

Porto

Sun 25/1

07:55-10:15

Nonstop2h 20m

€54

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 6/1

18:10-20:30

Nonstop2h 20m

Porto

Tue 13/1

21:05-23:25

Nonstop2h 20m

€55

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 8/1

12:35-14:55

Nonstop2h 20m

Porto

Mon 12/1

06:30-08:50

Nonstop2h 20m

€57

CorkPorto

ORK - OPO

ORKOPO

Cork

Sat 17/1

18:50-19:40

2 stops24h 50m

Porto

Sat 24/1

18:10-08:15

2 stops14h 05m

€154

CorkPorto

ORK - OPO

ORKOPO

Cork

Sat 17/1

18:50-19:40

2 stops24h 50m

Porto

Sat 24/1

08:20-08:15

2 stops23h 55m

€157

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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

Prices

Airlines

Delays

Other information

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 €100, 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 €140.

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 €181. 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 €258.

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 €203. Flights to Porto are more costly at midday, with an average ticket price of €389. 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 €191 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 €143 on momondo.

Can stopping save me money on Ireland to Porto flights?

You could potentially save up to 46% on your flight if you consider stops on a Ireland to Porto flight.

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?
There are 2 operators available for flights from Ireland to Porto Airport as of December 2025.
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?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Ireland to Porto is Boeing 737 MAX 8 (63.04% of total bookings). The next most popular plane model is Boeing 737-800 Passenger/BBJ2 (winglets) (36.96%).

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 PORTUGAL	PriceFrom €100	Free Cancellation	Rating 7.1 2,086 reviews		Search TAP AIR PORTUGAL flights
KLM	PriceFrom €137	Free Cancellation	Rating 7.7 1,431 reviews		Search KLM flights

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Coimbra

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Braga

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Esposende

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Mira

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Lamego

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.

An easier way to manage your Porto trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from Ireland to Porto from €18

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 6/1. 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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Big names, great deals

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Find the cheapest flights from Ireland to Porto

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Ryanair flights from Ireland to Porto

Our best Ryanair deals on Ireland to Porto flight tickets

British Airways flights from Ireland to Porto

Our best British Airways deals on Ireland to Porto flight tickets

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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?

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 €181. 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 €258.

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

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

Can stopping save me money on Ireland to Porto flights?

You could potentially save up to 46% on your flight if you consider stops on a Ireland to Porto flight.

What is the cheapest airline that flies from Ireland to Porto?

Ryanair is the most popular carrier operating from Ireland to Porto

How often are flights from Ireland to Porto delayed?

Historically, on average around 29% of flights between Ireland and Porto have experienced a delay on any given week. The average delay length over the past 12 months has been 115 minutes.

What is the most punctual flight time for Ireland to Porto flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the early afternoon have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Monday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

Which airline has the best punctuality record on Ireland to Porto flights?

According to our data, Ryanair have had the fewest delays on this route over the last 12 months, with about 29% of their flights experiencing any sort of delay.

How many flights depart from Ireland to Porto on average per week?

As of December 2025, 2 flights take off from Ireland and land in Porto each week. The most common flight departure day for this route is Mon, with 50% of weekly flights taking off on this day.

How long does it take to fly to Porto?

On average, it takes 2h 15m to fly from Ireland to Porto if you fly out of Shannon (the most popular airport in Ireland) and into Porto (the most popular airport in Porto). If you’re flying out of Dublin and into Porto, then the flight time is around 2h 20m.

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

Direct flights

Airports in Porto

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

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?

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

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

Travelling to a place near Porto?

Why use momondo?

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

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

How can momondo help me find flights 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?

An easier way to manage your Porto trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Portugal

Airports servicing Portugal