How does KAYAK find such low prices on flights from Porto to Ireland?

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Porto to Ireland.

How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Porto to Ireland?

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Porto to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.

What is the Hacker Fare option on flights from Porto to Ireland?

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Porto to Ireland with an airline and back with another airline.

What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Porto to Ireland?

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Porto to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Which cabin class options are there for flights between Porto and Ireland?

There is only one cabin class option available for the route, which is Economy . Perform a search on KAYAK to find the latest prices and availability for all cabin fares, which differ across airlines.

Which airlines fly direc between Porto and Ireland?

There is just one airline that flies from Porto to Ireland direct and that is Ryanair . The best return deal found from Ryanair for the route is to Dublin (DUB) and costs €93.

What’s the earliest departure time from Porto to Ireland?

The earliest flight from Porto to Ireland departs at 09:20 , landing in Dublin at 11:45.

How many flights are there between Porto and Ireland per day?

Each day, there are between 1 and 2 direct flights that take off from Porto and land in Ireland, with an average flight time of 2h 21m. The most common departure time is 17:00 and most flights take off in the evening, while the most flights land at Dublin. Each week, there are 10 flights. The most frequent day of departure is Monday, when 20% of all weekly flights depart. The fewest flights depart on a Tuesday.

How long does a flight from Porto to Ireland take?

The duration of a flight to Ireland depends on your arrival airport. The shortest routes to Ireland from Porto are to Dublin , which takes 2h 24m , Knock , which takes 11h 30m, and Milltown (Kerry) , which takes 12h 10m.

What’s the latest departure time from Porto to Ireland?

If you prefer to fly at night, the last flight from Porto to Ireland sets off at 22:25 and lands in Dublin at 00:50.

€30 CHEAP FLIGHTS from Porto to Ireland

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Dublin

2h 24mNonstop

from €53per person

Knock

11h 25m4 stops

from €148per person

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Cheap Flights from Porto to Ireland

Discover the best prices for you by selecting your travel dates on KAYAK.

Return

One-way

Last minute

Direct

Recent return flight deals from Porto to Ireland

Sat, 24 Oct - Sat, 31 Oct

21:15 - 23:40OPO Porto-DUB Dublin

2h 25mdirect

17:00 - 19:25DUB Dublin-OPO Porto

2h 25mdirect

€53Ryanair

Sat, 24 Oct - Sat, 31 Oct

21:15 - 23:40OPO Porto-DUB Dublin

2h 25mdirect

17:00 - 19:25DUB Dublin-OPO Porto

2h 25mdirect

€57Ryanair

Fri, 6 Nov - Sun, 8 Nov

21:45 - 00:10OPO Porto-DUB Dublin

2h 25mdirect

06:30 - 08:55DUB Dublin-OPO Porto

2h 25mdirect

€66Ryanair

Fri, 6 Nov - Mon, 9 Nov

21:45 - 00:10OPO Porto-DUB Dublin

2h 25mdirect

11:25 - 13:50DUB Dublin-OPO Porto

2h 25mdirect

€67Ryanair

Tue, 13 Oct - Sat, 31 Oct

22:25 - 00:50OPO Porto-DUB Dublin

2h 25mdirect

17:00 - 19:25DUB Dublin-OPO Porto

2h 25mdirect

€68Ryanair

Fri, 6 Nov - Mon, 9 Nov

21:45 - 00:10OPO Porto-DUB Dublin

2h 25mdirect

11:25 - 13:50DUB Dublin-OPO Porto

2h 25mdirect

€69Ryanair

Fri, 20 Nov - Sun, 22 Nov

08:50 - 11:15OPO Porto-DUB Dublin

2h 25mdirect

06:30 - 08:55DUB Dublin-OPO Porto

2h 25mdirect

€70Ryanair

Sun, 8 Nov - Thu, 12 Nov

09:20 - 11:45OPO Porto-DUB Dublin

2h 25mdirect

11:00 - 19:20DUB Dublin-OPO Porto

8h 20m1 stop Milan Malpensa

€98Multiple Airlines

Tue, 13 Oct - Tue, 20 Oct

22:25 - 00:50OPO Porto-DUB Dublin

2h 25mdirect

16:50 - 22:10DUB Dublin-OPO Porto

5h 20m1 stop Birmingham

€102Multiple Airlines

Fri, 6 Nov - Mon, 9 Nov

21:45 - 00:10OPO Porto-DUB Dublin

2h 25mdirect

19:10 - 12:35DUB Dublin-OPO Porto

17h 25m2 stops Tirana Rinas Milan Malpensa

€108Multiple Airlines

Booking Insights

KAYAK's insights & trends for Porto to Ireland flights

Get data-powered insights and trends into flights from Porto to Ireland to help you find the cheapest flights, the best time to fly, and much more.

Prices

Airlines

What is the cheapest Porto to Ireland flight route?

The cheapest ticket to Ireland from Porto found in the last 5 days was to Shannon, at €95 return. The most popular route is from Porto (OPO) to Shannon (SNN), and the cheapest return airline ticket found on this route in the last 5 days was €95.

What is the cheapest time of day to fly to Ireland?

The cheapest time of day to fly to Ireland is generally in the morning, when retur flights cost €121 on average. The most expensive time of day to fly to Ireland is generally in the morning, which is peak travel time and where the average cost of a ticket is €121.

Can I save money by flying with a stopover from Porto to Ireland?

No, with an average price for the route of €179, prices are generally cheapest when you fly direct.

What is the cheapest month to fly from Porto to Ireland?

The cheapest month for flights from Porto to Ireland is January, when tickets cost €102 (return) on average. On the other hand, the most expensive months are July and August, when the average cost of return tickets is €218 and €202 respectively.

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

To get a below-average price on a flight from Porto to Ireland, you should book around 5 weeks before departure, which saves you about 54% compared to booking last-minute. For the absolute cheapest price, our data suggests you should book 5 weeks before departure.

Find deals

Low season	June
High season	December
Cheapest flight	€30

Best time to beat the crowds but there is an average 5% increase in price.

Most popular time to fly and prices are also 11% lower on average.

Flight from Porto to Dublin

How does KAYAK find such low prices on flights from Porto to Ireland?
KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Porto to Ireland.
How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Porto to Ireland?
KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Porto to Ireland is likely to change within 7 days, so travellers know whether to wait or book now.
What is the Hacker Fare option on flights from Porto to Ireland?
Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly from Porto to Ireland with an airline and back with another airline.
What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Porto to Ireland?
Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Porto to Ireland up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

6.9

RyanairOverall score based on 5471 reviews

6.7Boarding

6.5Comfort

7.5Crew

5.7Entertainment

6.0Food

Airline reviews

Had no disruptions or delays. Did not order any food.

10.0 ExcellentSteve, Jul 2026

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€30 Find Cheap Flights from Porto to Ireland – Compare and Save

Best Ireland Flight Deals from Porto

Cheap Flights from Porto to Ireland

Recent return flight deals from Porto to Ireland

Recent one-way flight deals from Porto to Ireland

Recent last minute flight deals from Porto to Ireland

Recent direct flight deals from Porto to Ireland

KAYAK's insights & trends for Porto to Ireland flights

What is the cheapest Porto to Ireland flight route?

What is the cheapest time of day to fly to Ireland?

Can I save money by flying with a stopover from Porto to Ireland?

What is the cheapest month to fly from Porto to Ireland?

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

Which airlines fly direc between Porto and Ireland?

How long does a flight from Porto to Ireland take?

Which cabin class options are there for flights between Porto and Ireland?

How many flights are there between Porto and Ireland per day?

What’s the earliest departure time from Porto to Ireland?

What’s the latest departure time from Porto to Ireland?

Good to know

Low season

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Cheapest flight

FAQs - booking Ireland flights

Reviews of the top airline flying from Porto to Ireland

More options for your flight from Porto to Ireland

Complete your trip to Ireland with a hotel stay or car hire

Information on your arrival and departure airports

Cabin class types available on flights to Ireland

Flights from other airports in Porto to Ireland

Flights to other popular destinations

Flights from Porto to popular regions in Ireland

Flights from Porto to popular cities in Ireland

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