Cheap flights from Ireland to Porto from £38

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 21/4. 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
08:25 - 21:20
DUB
-
OPO
12h 55m
1 stop
Ryanair Logo
22:20 - 00:45
OPO
-
DUB
2h 25mdirect
£64Ryanair
Sun, 10 May - Thu, 21 May
Ryanair Logo
06:30 - 11:00
DUB
-
OPO
4h 30m
1 stop
Ryanair Logo
21:45 - 00:10
OPO
-
DUB
2h 25mdirect
£65Ryanair
Tue, 12 May - Fri, 29 May
Ryanair Logo
19:20 - 21:45
DUB
-
OPO
2h 25mdirect
Ryanair Logo
21:45 - 00:10
OPO
-
DUB
2h 25mdirect
£76Ryanair
Tue, 12 May - Fri, 29 May
Ryanair Logo
18:55 - 21:20
DUB
-
OPO
2h 25mdirect
Ryanair Logo
22:20 - 00:45
OPO
-
DUB
2h 25mdirect
£78Ryanair
Sun, 10 May - Thu, 14 May
Ryanair Logo
13:25 - 19:10
DUB
-
OPO
5h 45m
1 stop
Ryanair Logo
21:40 - 08:20
OPO
-
DUB
10h 40m
1 stop
£79Ryanair
Wed, 13 May - Wed, 20 May
Ryanair Logo
10:15 - 19:10
DUB
-
OPO
8h 55m
1 stop
Ryanair Logo
22:20 - 00:45
OPO
-
DUB
2h 25mdirect
£80Ryanair
Wed, 6 May - Thu, 14 May
Ryanair Logo
10:15 - 19:10
DUB
-
OPO
8h 55m
1 stop
Ryanair Logo
06:05 - 19:45
OPO
-
DUB
13h 40m
1 stop
£81Ryanair
Wed, 6 May - Sun, 10 May
Ryanair Logo
13:30 - 21:10
DUB
-
OPO
7h 40m
1 stop
Ryanair Logo
22:20 - 00:45
OPO
-
DUB
2h 25mdirect
£82Ryanair
Sat, 9 May - Thu, 14 May
Ryanair Logo
20:45 - 23:10
DUB
-
OPO
2h 25mdirect
Ryanair Logo
21:40 - 08:20
OPO
-
DUB
10h 40m
1 stop
£86Ryanair
Wed, 13 May - Wed, 20 May
Multiple Airlines Logo
22:50 - 13:25
DUB
-
OPO
14h 35m
1 stop
Multiple Airlines Logo
07:10 - 20:55
OPO
-
DUB
13h 45m
1 stop
£87Multiple Airlines
Tue, 12 May - Fri, 29 May

Ryanair flights from Ireland to Porto

Our best Ryanair deals on Ireland to Porto flight tickets
Ryanair
10 May
DUB08:25Dublin
12h 55m
1 stop
OPO21:20Porto
21 May
OPO22:20Porto
2h 25m
DUB00:45Dublin
£64
Ryanair
12 May
DUB06:30Dublin
4h 30m
1 stop
OPO11:00Porto
29 May
OPO21:45Porto
2h 25m
DUB00:10Dublin
£65
Ryanair
13 May
DUB20:45Dublin
2h 25m
OPO23:10Porto
21 May
OPO22:20Porto
2h 25m
DUB00:45Dublin
£71

KLM flights from Ireland to Porto

Our best KLM deals on Ireland to Porto flight tickets
KLM
10 Apr
DUB11:10Dublin
11h 05m
1 stop
OPO22:15Porto
13 Apr
OPO19:00Porto
13h 20m
1 stop
DUB08:20Dublin
£163
KLM
10 Apr
DUB13:25Dublin
8h 50m
1 stop
OPO22:15Porto
13 Apr
OPO19:00Porto
13h 20m
1 stop
DUB08:20Dublin
£165
KLM
10 Apr
DUB13:25Dublin
8h 50m
1 stop
OPO22:15Porto
13 Apr
OPO19:00Porto
13h 20m
1 stop
DUB08:20Dublin
£177

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 1 April 2026.
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

Cheapest return flight

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 10/5

08:25-21:20

1 stop12h 55m

Porto

Thu 21/5

22:20-00:45

Nonstop2h 25m

£64

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 12/5

06:30-11:00

1 stop4h 30m

Porto

Fri 29/5

21:45-00:10

Nonstop2h 25m

£65
Fastest return journey

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 12/5

19:20-21:45

Nonstop2h 25m

Porto

Fri 29/5

21:45-00:10

Nonstop2h 25m

£76

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 10/5

18:55-21:20

Nonstop2h 25m

Porto

Thu 14/5

22:20-00:45

Nonstop2h 25m

£78

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 13/5

13:25-19:10

1 stop5h 45m

Porto

Wed 20/5

21:40-08:20

1 stop10h 40m

£79

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 6/5

10:15-19:10

1 stop8h 55m

Porto

Thu 14/5

22:20-00:45

Nonstop2h 25m

£80

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 6/5

10:15-19:10

1 stop8h 55m

Porto

Sun 10/5

06:05-19:45

1 stop13h 40m

£81

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sat 9/5

13:30-21:10

1 stop7h 40m

Porto

Thu 14/5

22:20-00:45

Nonstop2h 25m

£82

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 13/5

20:45-23:10

Nonstop2h 25m

Porto

Wed 20/5

21:40-08:20

1 stop10h 40m

£86

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 12/5

22:50-13:25

1 stop14h 35m

Porto

Fri 29/5

07:10-20:55

1 stop13h 45m

£87

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 January is, on average, the cheapest month to fly to Porto from Ireland, with most prices found around £123. If you are unable to visit Porto during the month of January, then departing from Ireland during the month February is also very affordable. Most momondo users find prices during this month for around £123.

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

According to our data, Monday is the cheapest day to fly to Porto from Ireland. The lowest ticket price found for a Monday departure recently was £91. 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 £251. 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 morning. Our users have found flights to Porto in the morning for as low as £138. If you have a flexible travel schedule, then try to avoid flying at midday when prices are £215 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 £175 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 £98 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

£166

Fastest flight time

2h 20m

Direct flights

Mon, Tue, Wed, Thu, Fri and Sun

Airports in Porto

1 airport
The best flight deal from Ireland to Porto found on momondo in the last 72 hours is £166
The fastest flight from Ireland to Porto takes 2h 20m
Direct flights go from Ireland to Porto on Monday, Tuesday, Wednesday, Thursday, Friday and Sunday. There are no airlines offering direct flights..
There is 1 airport in Porto. From Ireland there are direct flights to Porto (OPO).
  • 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 £54Free CancellationRating
6.9
5,312 reviews
Search Ryanair flights

Travelling to a place near Porto?

Book flights to Porto if you plan to visit one of these locations
Vila Nova de Gaia
Braga
Coimbra
Aveiro
Matosinhos
Viseu
Espinho
Guimarães
Esposende
Lamego
Curia
Pinhao
Caminha
Baiao
Chaves
Mesao Frio
Ponte de Lima
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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1 adult
Fri 1/5
Fri 8/5

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