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Cheap flights from Ireland to Porto from £23

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 9/1. 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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Find the cheapest flights from Ireland to Porto

Recent return flight deals from Ireland to Porto

Enter your travel dates to find the best prices.
Ryanair Logo
08:55 - 11:15DUB-OPO
2h 20mdirect
Ryanair Logo
14:30 - 16:50OPO-DUB
2h 20mdirect
£50Ryanair
Find Deal
Sa, 6 Dez - Sa, 13 Dez
Lufthansa Logo
05:00 - 11:40DUB-OPO
6h 40m1 stop
Lufthansa Logo
12:30 - 22:45OPO-DUB
10h 15m1 stop
£119Lufthansa
Find Deal
Di, 3 Mrz - Sa, 7 Mrz
Multiple Airlines Logo
09:50 - 23:25DUB-OPO
13h 35m1 stop
Multiple Airlines Logo
07:30 - 14:05OPO-DUB
6h 35m1 stop
£124Multiple Airlines
Find Deal
So, 1 Mrz - So, 8 Mrz
Multiple Airlines Logo
04:15 - 09:50DUB-OPO
5h 35m1 stop
Multiple Airlines Logo
07:55 - 10:15OPO-DUB
2h 20mdirect
£128Multiple Airlines
Find Deal
Sa, 28 Feb - So, 8 Mrz
Ryanair Logo
09:50 - 23:00DUB-OPO
13h 10m1 stop
Ryanair Logo
07:55 - 10:15OPO-DUB
2h 20mdirect
£130Ryanair
Find Deal
So, 1 Mrz - So, 8 Mrz
TAP AIR PORTUGAL Logo
04:15 - 18:05DUB-OPO
13h 50m1 stop
TAP AIR PORTUGAL Logo
05:00 - 10:20OPO-DUB
5h 20m1 stop
£137TAP AIR PORTUGAL
Find Deal
Sa, 28 Feb - So, 8 Mrz
KLM Logo
17:15 - 10:30DUB-OPO
17h 15m1 stop
KLM Logo
06:30 - 16:20OPO-DUB
9h 50m1 stop
£140KLM
Find Deal
Fr, 23 Jan - Mo, 26 Jan
TAP AIR PORTUGAL Logo
04:15 - 09:50DUB-OPO
5h 35m1 stop
TAP AIR PORTUGAL Logo
16:00 - 10:20OPO-DUB
18h 20m1 stop
£143TAP AIR PORTUGAL
Find Deal
Sa, 7 Mrz - So, 15 Mrz
British Airways Logo
08:50 - 17:15DUB-OPO
8h 25m1 stop
British Airways Logo
12:25 - 19:40OPO-DUB
7h 15m2 stops
£294British Airways
Find Deal
Fr, 12 Dez - Mo, 15 Dez
British Airways Logo
08:50 - 17:15DUB-OPO
8h 25m1 stop
British Airways Logo
08:20 - 19:40OPO-DUB
11h 20m2 stops
£396British Airways
Find Deal
Fr, 21 Nov - Di, 25 Nov

British Airways flights from Ireland to Porto

Our best British Airways deals on Ireland to Porto flight tickets
British Airways
12 Dec
DUB08:50Dublin
8h 25m
1 stop
OPO17:15Porto
15 Dec
OPO12:25Porto
7h 15m
2 stops
DUB19:40Dublin
£294
Find similar
British Airways
21 Nov
DUB08:50Dublin
8h 25m
1 stop
OPO17:15Porto
25 Nov
OPO08:20Porto
11h 20m
2 stops
DUB19:40Dublin
£396
Find similar
British Airways
21 Nov
DUB08:50Dublin
8h 25m
1 stop
OPO17:15Porto
25 Nov
OPO18:25Porto
13h 30m
1 stop
DUB07:55Dublin
£444
Find similar

TAP AIR PORTUGAL flights from Ireland to Porto

Our best TAP AIR PORTUGAL deals on Ireland to Porto flight tickets
TAP AIR PORTUGAL
28 Feb
DUB04:15Dublin
13h 50m
1 stop
OPO18:05Porto
8 Mar
OPO05:00Porto
5h 20m
1 stop
DUB10:20Dublin
£137
Find similar
TAP AIR PORTUGAL
7 Mar
DUB04:15Dublin
5h 35m
1 stop
OPO09:50Porto
15 Mar
OPO16:00Porto
18h 20m
1 stop
DUB10:20Dublin
£143
Find similar
TAP AIR PORTUGAL
8 Nov
DUB16:55Dublin
7h 35m
1 stop
OPO00:30Porto
9 Nov
OPO06:55Porto
27h 25m
1 stop
DUB10:20Dublin
£164
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 7 November 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

Sa 6/12

08:55-11:15

Nonstop2h 20m

Porto

Sa 13/12

14:30-16:50

Nonstop2h 20m

£50

DublinPorto

DUB - OPO

DUBOPO

Dublin

Di 3/3

05:00-11:40

1 stop6h 40m

Porto

Sa 7/3

12:30-22:45

1 stop10h 15m

£119

DublinPorto

DUB - OPO

DUBOPO

Dublin

So 1/3

09:50-23:25

1 stop13h 35m

Porto

So 8/3

07:30-14:05

1 stop6h 35m

£124

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sa 28/2

04:15-09:50

1 stop5h 35m

Porto

So 8/3

07:55-10:15

Nonstop2h 20m

£128

DublinPorto

DUB - OPO

DUBOPO

Dublin

So 1/3

09:50-23:00

1 stop13h 10m

Porto

So 8/3

07:55-10:15

Nonstop2h 20m

£130

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sa 28/2

04:15-18:05

1 stop13h 50m

Porto

So 8/3

05:00-10:20

1 stop5h 20m

£137

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fr 23/1

17:15-10:30

1 stop17h 15m

Porto

Mo 26/1

06:30-16:20

1 stop9h 50m

£140

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sa 7/3

04:15-09:50

1 stop5h 35m

Porto

So 15/3

16:00-10:20

1 stop18h 20m

£143

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fr 12/12

08:50-17:15

1 stop8h 25m

Porto

Mo 15/12

12:25-19:40

2 stops7h 15m

£294

DublinPorto

DUB - OPO

DUBOPO

Dublin

Fr 21/11

08:50-17:15

1 stop8h 25m

Porto

Di 25/11

08:20-19:40

2 stops11h 20m

£396

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 £103. 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 £124.

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 £130. 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 Sunday because tickets tend to average around £253. 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 £145. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £192 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 £172 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 £131 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

£50

Fastest flight time

2h 20m

Direct flights

Mon, Tue, Thu, Sat and Sun

Airports in Porto

1 airport
The best flight deal from Ireland to Porto found on momondo in the last 72 hours is £50
The fastest flight from Ireland to Porto takes 2h 20m
Direct flights go from Ireland to Porto on Monday, Tuesday, Thursday, Saturday and Sunday. There are no airlines offering direct flights..
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
5,188 reviews
Search Ryanair 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
Matosinhos
Viseu
Espinho
Aveiro
Guimarães
Esposende
Ponte de Lima
Curia
Lamego
Pinhao
Baiao
Caminha
Chaves
Mesao Frio
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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