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Cheap flights from Ireland to Porto from £35

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 30/10. 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
19:35 - 22:00DUB-OPO
2h 25mdirect
Ryanair Logo
17:20 - 19:45OPO-DUB
2h 25mdirect
£82Ryanair
Find Deal
Tue, 2 Sep - Thu, 11 Sep
Ryanair Logo
19:35 - 22:00DUB-OPO
2h 25mdirect
Ryanair Logo
17:20 - 19:45OPO-DUB
2h 25mdirect
£83Ryanair
Find Deal
Tue, 2 Sep - Thu, 11 Sep
Ryanair Logo
10:45 - 13:10DUB-OPO
2h 25mdirect
Ryanair Logo
22:25 - 00:50OPO-DUB
2h 25mdirect
£101Ryanair
Find Deal
Mon, 13 Oct - Tue, 21 Oct
Logo
21:30 - 08:00DUB-OPO
10h 30m1 stop
Logo
22:25 - 00:50OPO-DUB
2h 25mdirect
£105
Find Deal
Mon, 13 Oct - Tue, 21 Oct
Logo
19:35 - 22:00DUB-OPO
2h 25mdirect
Logo
22:00 - 12:45OPO-DUB
14h 45m1 stop
£106
Find Deal
Tue, 14 Oct - Wed, 15 Oct
Lufthansa Logo
10:40 - 23:20DUB-OPO
12h 40m1 stop
Lufthansa Logo
06:15 - 16:55OPO-DUB
10h 40m1 stop
£122Lufthansa
Find Deal
Wed, 15 Oct - Mon, 20 Oct
Vueling Logo
08:30 - 16:15DUB-OPO
7h 45m1 stop
Vueling Logo
22:00 - 09:10OPO-DUB
11h 10m1 stop
£123Vueling
Find Deal
Sun, 12 Oct - Tue, 14 Oct
Lufthansa Logo
09:00 - 22:50DUB-OPO
13h 50m1 stop
Lufthansa Logo
06:15 - 16:55OPO-DUB
10h 40m1 stop
£129Lufthansa
Find Deal
Wed, 8 Oct - Tue, 21 Oct
Vueling Logo
08:30 - 16:15DUB-OPO
7h 45m1 stop
Vueling Logo
08:40 - 20:20OPO-DUB
11h 40m1 stop
£138Vueling
Find Deal
Sun, 12 Oct - Wed, 15 Oct
TAP AIR PORTUGAL Logo
04:25 - 09:55DUB-OPO
5h 30m1 stop
TAP AIR PORTUGAL Logo
05:00 - 10:20OPO-DUB
5h 20m1 stop
£150TAP AIR PORTUGAL
Find Deal
Thu, 13 Nov - Sun, 16 Nov

Ryanair flights from Ireland to Porto

Our best Ryanair deals on Ireland to Porto flight tickets
Ryanair
2 Sept
DUB19:35Dublin
2h 25m
OPO22:00Porto
11 Sept
OPO17:20Porto
2h 25m
DUB19:45Dublin
£82
Find similar
Ryanair
2 Sept
DUB19:35Dublin
2h 25m
OPO22:00Porto
11 Sept
OPO17:20Porto
2h 25m
DUB19:45Dublin
£83
Find similar
Ryanair
13 Oct
DUB10:45Dublin
2h 25m
OPO13:10Porto
21 Oct
OPO22:25Porto
2h 25m
DUB00:50Dublin
£101
Find similar

Lufthansa flights from Ireland to Porto

Our best Lufthansa deals on Ireland to Porto flight tickets
Lufthansa
15 Oct
DUB10:40Dublin
12h 40m
1 stop
OPO23:20Porto
20 Oct
OPO06:15Porto
10h 40m
1 stop
DUB16:55Dublin
£122
Find similar
Lufthansa
8 Oct
DUB09:00Dublin
13h 50m
1 stop
OPO22:50Porto
21 Oct
OPO06:15Porto
10h 40m
1 stop
DUB16:55Dublin
£129
Find similar
Lufthansa
13 Oct
DUB09:00Dublin
13h 50m
1 stop
OPO22:50Porto
21 Oct
OPO06:15Porto
10h 40m
1 stop
DUB16:55Dublin
£141
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 2 August 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

Tue 2/9

19:35-22:00

Nonstop2h 25m

Porto

Thu 11/9

17:20-19:45

Nonstop2h 25m

£82

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 2/9

19:35-22:00

Nonstop2h 25m

Porto

Thu 11/9

17:20-19:45

Nonstop2h 25m

£83

DublinPorto

DUB - OPO

DUBOPO

Dublin

Mon 13/10

10:45-13:10

Nonstop2h 25m

Porto

Tue 21/10

22:25-00:50

Nonstop2h 25m

£101

DublinPorto

DUB - OPO

DUBOPO

Dublin

Mon 13/10

21:30-08:00

1 stop10h 30m

Porto

Tue 21/10

22:25-00:50

Nonstop2h 25m

£105

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 14/10

19:35-22:00

Nonstop2h 25m

Porto

Wed 15/10

22:00-12:45

1 stop14h 45m

£106

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 15/10

10:40-23:20

1 stop12h 40m

Porto

Mon 20/10

06:15-16:55

1 stop10h 40m

£122

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 12/10

08:30-16:15

1 stop7h 45m

Porto

Tue 14/10

22:00-09:10

1 stop11h 10m

£123

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 8/10

09:00-22:50

1 stop13h 50m

Porto

Tue 21/10

06:15-16:55

1 stop10h 40m

£129

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 12/10

08:30-16:15

1 stop7h 45m

Porto

Wed 15/10

08:40-20:20

1 stop11h 40m

£138

DublinPorto

DUB - OPO

DUBOPO

Dublin

Thu 13/11

04:25-09:55

1 stop5h 30m

Porto

Sun 16/11

05:00-10:20

1 stop5h 20m

£150

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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2

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 £106. 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 £122.

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 £129. 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 Friday because tickets tend to average around £190. 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 £143. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £175 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 Shannon 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 £171 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 £122 on momondo.

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

There are 1 cabin classes 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?

You could potentially save up to 19% 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

Best price found

£35

Fastest flight time

2h 15m

Direct flights

Every day

Airports in Porto

1 airport
The best one-way flight to Porto from Ireland in the past 72 hours is £35. The best return flight deal from Ireland to Porto found on momondo in the last 72 hours is £82.
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 £90Free CancellationRating
6.8
5,153 reviews
Search Ryanair flights
TAP AIR PORTUGALPriceFrom £109Free CancellationRating
7.1
1,936 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
Aveiro
Viseu
Matosinhos
Espinho
Esposende
Pinhao
Guimarães
Caminha
Curia
Baiao
Ponte de Lima
Chaves
Lamego
Mesao Frio
Penafiel
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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