Cheap flights from Porto to Ireland from €18

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Porto to Ireland departing on 25/3. 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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0 bags
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Find the cheapest flights from Porto to Ireland

Cheap return flights

Enter your travel dates to find the best prices.
Ryanair Logo
22:25 - 00:50
OPO
-
DUB
2h 25mdirect
Ryanair Logo
20:45 - 23:10
DUB
-
OPO
2h 25mdirect
€66Ryanair
Mon, 20 Apr - Wed, 22 Apr
Ryanair Logo
22:25 - 00:50
OPO
-
DUB
2h 25mdirect
Ryanair Logo
19:35 - 22:00
DUB
-
OPO
2h 25mdirect
€72Ryanair
Mon, 20 Apr - Mon, 27 Apr
Ryanair Logo
22:20 - 00:45
OPO
-
DUB
2h 25mdirect
Ryanair Logo
19:35 - 22:00
DUB
-
OPO
2h 25mdirect
€75Ryanair
Thu, 23 Apr - Mon, 27 Apr
Ryanair Logo
22:25 - 00:50
OPO
-
DUB
2h 25mdirect
Ryanair Logo
19:55 - 22:10
DUB
-
OPO
26h 15m
1 stop
€79Ryanair
Tue, 21 Apr - Mon, 27 Apr
Ryanair Logo
22:25 - 00:50
OPO
-
DUB
2h 25mdirect
Ryanair Logo
18:05 - 21:15
DUB
-
OPO
27h 10m
1 stop
€82Ryanair
Mon, 20 Apr - Tue, 21 Apr
Ryanair Logo
22:20 - 00:45
OPO
-
DUB
2h 25mdirect
Ryanair Logo
19:35 - 22:00
DUB
-
OPO
2h 25mdirect
€83Ryanair
Thu, 23 Apr - Mon, 27 Apr
Ryanair Logo
22:20 - 00:45
OPO
-
DUB
2h 25mdirect
Ryanair Logo
19:35 - 22:00
DUB
-
OPO
2h 25mdirect
€84Ryanair
Thu, 23 Apr - Mon, 27 Apr
Ryanair Logo
18:40 - 00:10
OPO
-
DUB
5h 30m
1 stop
Ryanair Logo
06:05 - 21:20
DUB
-
OPO
15h 15m
1 stop
€86Ryanair
Fri, 17 Apr - Sun, 19 Apr
Multiple Airlines Logo
06:15 - 08:45
OPO
-
NOC
26h 30m
2 stops
Multiple Airlines Logo
09:25 - 07:50
NOC
-
OPO
22h 25m
2 stops
€208Multiple Airlines
Mon, 30 Mar - Mon, 6 Apr
Multiple Airlines Logo
10:00 - 08:25
OPO
-
NOC
22h 25m
3 stops
Multiple Airlines Logo
09:25 - 07:50
NOC
-
OPO
22h 25m
2 stops
€281Multiple Airlines
Mon, 30 Mar - Mon, 6 Apr

Ryanair flights from Porto to Ireland

Our best Ryanair deals on Porto to Ireland flight tickets
Ryanair
20 Apr
OPO22:25Porto
2h 25m
DUB00:50Dublin
22 Apr
DUB20:45Dublin
2h 25m
OPO23:10Porto
€66
Ryanair
20 Apr
OPO22:25Porto
2h 25m
DUB00:50Dublin
27 Apr
DUB19:35Dublin
2h 25m
OPO22:00Porto
€72
Ryanair
23 Apr
OPO22:20Porto
2h 25m
DUB00:45Dublin
27 Apr
DUB19:35Dublin
2h 25m
OPO22:00Porto
€75

TAP AIR PORTUGAL flights from Porto to Ireland

Our best TAP AIR PORTUGAL deals on Porto to Ireland flight tickets
TAP AIR PORTUGAL
7 Mar
OPO16:55Porto
6h 25m
1 stop
DUB23:20Dublin
10 Mar
DUB16:55Dublin
15h 00m
1 stop
OPO07:55Porto
€192
TAP AIR PORTUGAL
13 Mar
OPO18:00Porto
5h 20m
1 stop
DUB23:20Dublin
18 Mar
DUB16:55Dublin
20h 10m
1 stop
OPO13:05Porto
€256

momondo Fare Finder

 
Customise your flight search to find flights from Porto to Ireland 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 13,528 searches. Data last updated 28 February 2026.
Use the filters below to find and compare flights from Porto to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

PortoDublin

OPO - DUB

OPODUB

Porto

Mon 20/4

22:25-00:50

Nonstop2h 25m

Dublin

Wed 22/4

20:45-23:10

Nonstop2h 25m

€66

PortoDublin

OPO - DUB

OPODUB

Porto

Mon 20/4

22:25-00:50

Nonstop2h 25m

Dublin

Mon 27/4

19:35-22:00

Nonstop2h 25m

€72

PortoDublin

OPO - DUB

OPODUB

Porto

Thu 23/4

22:20-00:45

Nonstop2h 25m

Dublin

Mon 27/4

19:35-22:00

Nonstop2h 25m

€75

PortoDublin

OPO - DUB

OPODUB

Porto

Tue 21/4

22:25-00:50

Nonstop2h 25m

Dublin

Mon 27/4

19:55-22:10

1 stop26h 15m

€79

PortoDublin

OPO - DUB

OPODUB

Porto

Mon 20/4

22:25-00:50

Nonstop2h 25m

Dublin

Tue 21/4

18:05-21:15

1 stop27h 10m

€82

PortoDublin

OPO - DUB

OPODUB

Porto

Thu 23/4

22:20-00:45

Nonstop2h 25m

Dublin

Mon 27/4

19:35-22:00

Nonstop2h 25m

€83

PortoDublin

OPO - DUB

OPODUB

Porto

Thu 23/4

22:20-00:45

Nonstop2h 25m

Dublin

Mon 27/4

19:35-22:00

Nonstop2h 25m

€84

PortoDublin

OPO - DUB

OPODUB

Porto

Fri 17/4

18:40-00:10

1 stop5h 30m

Dublin

Sun 19/4

06:05-21:20

1 stop15h 15m

€86

PortoKnock

OPO - NOC

OPONOC

Porto

Mon 30/3

06:15-08:45

2 stops26h 30m

Knock Intl

Mon 6/4

09:25-07:50

2 stops22h 25m

€208

PortoKnock

OPO - NOC

OPONOC

Porto

Mon 30/3

10:00-08:25

3 stops22h 25m

Knock Intl

Mon 6/4

09:25-07:50

2 stops22h 25m

€281

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 Ireland from

How to get the cheapest flight ticket from Porto to Ireland

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 Ireland?

The month of February is another great option to travel to Ireland, with average flight prices from Porto averaging around €118.

What is the cheapest Porto to Ireland flight route?

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

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

You are more likely to see cheaper flights to Ireland from Porto when booking weeks ahead of your departure date. In general, you can expect to find flights to Ireland for around €157 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Ireland from Porto for as low as €110 on momondo.

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

There is only 1 cabin class available to choose from on Porto to Ireland 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 Porto to Ireland flights?

You could potentially save up to 12% on your flight if you consider stops on a Porto to Ireland flight.

Cheap Porto to Ireland flight deals and tips

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

Best price found

€119

Fastest flight time

2h 20m

Direct flights

Every day

Airports in Ireland

77 airports
The best one-way flight to Ireland from Porto in the past 72 hours is €119. The best return flight deal from Porto to Ireland found on momondo in the last 72 hours is €113.
The fastest flight from Porto to Ireland takes 2h 20m
Direct flights go from Porto to Ireland every day.
There are 77 airports in Ireland. From Porto there are direct flights to Dublin (DUB).
  • When did momondo last update prices for flights from Porto Airport to Ireland?

    Prices for flights from Porto Airport to Ireland are refreshed on a daily basis.

  • How old do you have to be to fly from Porto Airport to Ireland?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Porto Airport to Ireland.

  • What documentation or ID do you need to fly to Ireland?

    The required travel and health documents for your Ireland 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 licence and a passport valid for six months after your intended arrival at Ireland. 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 Porto to Ireland?

Why use momondo?

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

It is quick and easy to find Porto to Ireland flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Ireland that suits you.

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

Flights from Porto to Ireland with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Ireland from Porto.

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

If you are not ready to book a flight from Porto to Ireland now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Ireland and let you know when they change.

An easier way to manage your Ireland trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

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1 adult
Mon 30/3
Mon 6/4

Find better results for your trip to Ireland

Popular Cities in Ireland

Popular flights according to clicks in the last 7 days on momondo