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Cheap flights from Ireland to Porto from £26

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
14:35 - 16:50DUB-OPO
2h 15mdirect
Ryanair Logo
22:25 - 00:50OPO-DUB
2h 25mdirect
£53Ryanair
Find Deal
Sun, 12 Oct - Tue, 14 Oct
Ryanair Logo
12:35 - 14:55DUB-OPO
2h 20mdirect
Ryanair Logo
06:30 - 08:50OPO-DUB
2h 20mdirect
£56Ryanair
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
£59Ryanair
Find Deal
Thu, 6 Nov - Mon, 10 Nov
TAP AIR PORTUGAL Logo
16:55 - 22:05DUB-OPO
5h 10m1 stop
TAP AIR PORTUGAL Logo
20:00 - 16:10OPO-DUB
20h 10m1 stop
£110TAP AIR PORTUGAL
Find Deal
Fri, 13 Mar - Tue, 17 Mar
TAP AIR PORTUGAL Logo
11:10 - 19:00DUB-OPO
7h 50m1 stop
TAP AIR PORTUGAL Logo
15:55 - 23:20OPO-DUB
7h 25m1 stop
£112TAP AIR PORTUGAL
Find Deal
Fri, 31 Oct - Fri, 7 Nov
Multiple Airlines Logo
12:30 - 08:10DUB-OPO
19h 40m2 stops
Multiple Airlines Logo
06:45 - 09:05OPO-DUB
2h 20mdirect
£113Multiple Airlines
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Lufthansa Logo
11:45 - 22:25DUB-OPO
10h 40m1 stop
Lufthansa Logo
06:00 - 16:25OPO-DUB
10h 25m1 stop
£121Lufthansa
Find Deal
Tue, 3 Mar - Sat, 7 Mar
Multiple Airlines Logo
06:25 - 14:10DUB-OPO
7h 45m1 stop
Multiple Airlines Logo
14:05 - 22:50OPO-DUB
8h 45m1 stop
£128Multiple Airlines
Find Deal
Tue, 16 Dec - Fri, 19 Dec
KLM Logo
05:55 - 19:20DUB-OPO
13h 25m1 stop
KLM Logo
16:10 - 22:10OPO-DUB
6h 00m1 stop
£137KLM
Find Deal
Thu, 6 Nov - Sat, 8 Nov
Lufthansa Logo
10:50 - 22:25DUB-OPO
11h 35m2 stops
Lufthansa Logo
06:00 - 16:25OPO-DUB
10h 25m1 stop
£144Lufthansa
Find Deal
Tue, 3 Mar - Sat, 7 Mar

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
£121
Find similar
Lufthansa
3 Mar
DUB10:50Dublin
11h 35m
2 stops
OPO22:25Porto
7 Mar
OPO06:00Porto
10h 25m
1 stop
DUB16:25Dublin
£144
Find similar
Lufthansa
13 Mar
DUB05:10Dublin
7h 40m
2 stops
OPO12:50Porto
17 Mar
OPO06:00Porto
10h 25m
1 stop
DUB16:25Dublin
£159
Find similar

Ryanair flights from Ireland to Porto

Our best Ryanair deals on Ireland to Porto flight tickets
Ryanair
12 Oct
DUB14:35Dublin
2h 15m
OPO16:50Porto
14 Oct
OPO22:25Porto
2h 25m
DUB00:50Dublin
£53
Find similar
Ryanair
6 Nov
DUB12:35Dublin
2h 20m
OPO14:55Porto
10 Nov
OPO06:30Porto
2h 20m
DUB08:50Dublin
£56
Find similar
Ryanair
6 Nov
DUB12:35Dublin
2h 20m
OPO14:55Porto
10 Nov
OPO06:30Porto
2h 20m
DUB08:50Dublin
£59
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 279,928 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

Sun 12/10

14:35-16:50

Nonstop2h 15m

Porto

Tue 14/10

22:25-00:50

Nonstop2h 25m

£53

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 6/11

12:35-14:55

Nonstop2h 20m

Porto

Mon 10/11

06:30-08:50

Nonstop2h 20m

£56

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 6/11

12:35-14:55

Nonstop2h 20m

Porto

Mon 10/11

06:30-08:50

Nonstop2h 20m

£59

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fri 13/3

16:55-22:05

1 stop5h 10m

Porto

Tue 17/3

20:00-16:10

1 stop20h 10m

£110

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

£112

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 29/10

12:30-08:10

2 stops19h 40m

Porto

Wed 5/11

06:45-09:05

Nonstop2h 20m

£113

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

£121

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 16/12

06:25-14:10

1 stop7h 45m

Porto

Fri 19/12

14:05-22:50

1 stop8h 45m

£128

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 6/11

05:55-19:20

1 stop13h 25m

Porto

Sat 8/11

16:10-22:10

1 stop6h 00m

£137

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

£144

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 month of February is, on average, the cheapest month to fly to Porto from Ireland, with most prices found around £101. 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 £119.

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

According to our data, Tuesday is the cheapest day to fly to Porto from Ireland. The lowest ticket price found for a Tuesday departure recently was £125. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Monday because tickets tend to average around £184. These prices are subject to change though, so be sure to set up a Price Alert for flights to Porto.

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 evening. Our users have found flights to Porto in the evening for as low as £139. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £184 on average. Flights to Porto from Ireland at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Ireland to Porto flight route?

Fly from Dublin to Porto for the best Ireland - Porto flight prices

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 £168 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 £120 on momondo.

What cabin class options are available on Ireland to Porto flights?

There is only 1 cabin class available to choose from on Ireland to Porto flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Ireland to Porto flights?

No. A direct flight is the cheapest option for a flight between Ireland to Porto.

Cheap Ireland to Porto flight deals and tips

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

Best price found

£164

Fastest flight time

2h 15m

Direct flights

Every day

Airports in Porto

1 airport
The best flight deal from Ireland to Porto found on momondo in the last 72 hours is £164
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 are updated 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?

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify 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 required travel and health documents for your Porto Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Porto Airport. We recommend that you seek guidance from your airline or a reliable 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
RyanairPriceFrom £88Free CancellationRating
6.8
5,157 reviews
Search Ryanair flights
TAP AIR PORTUGALPriceFrom £106Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights

Travelling to a place near Porto?

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

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Porto . Millions of users trust and use momondo every year so you are in good hands.

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

All flight searches from Ireland to Porto on momondo can be filtered to show those which offer flexible booking policies.

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

momondo helps you find the best flight between Ireland and Porto by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

Price alerts on flights to Porto from Ireland are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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