Cheap flights from Ireland to Portugal from £25

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 Portugal departing on 22/4. 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 Portugal

Recent return flight deals from Ireland to Portugal

Enter your travel dates to find the best prices.
Ryanair Logo
07:20 - 09:40
DUB
-
OPO
2h 20mdirect
Ryanair Logo
10:05 - 12:25
OPO
-
DUB
2h 20mdirect
£50Ryanair
Tue, 17 Mar - Tue, 24 Mar
Ryanair Logo
16:30 - 19:20
DUB
-
FAO
2h 50mdirect
Ryanair Logo
15:30 - 18:20
FAO
-
DUB
2h 50mdirect
£53Ryanair
Wed, 18 Mar - Wed, 25 Mar
Ryanair Logo
15:55 - 18:45
DUB
-
FAO
2h 50mdirect
Ryanair Logo
10:30 - 13:20
FAO
-
DUB
2h 50mdirect
£54Ryanair
Tue, 17 Mar - Tue, 24 Mar
Ryanair Logo
19:35 - 22:25
DUB
-
FAO
2h 50mdirect
Ryanair Logo
08:15 - 11:05
FAO
-
DUB
2h 50mdirect
£56Ryanair
Fri, 6 Mar - Mon, 9 Mar
Ryanair Logo
13:00 - 20:35
DUB
-
LIS
7h 35m
1 stop
Ryanair Logo
20:50 - 23:40
LIS
-
DUB
2h 50mdirect
£63Ryanair
Tue, 10 Mar - Fri, 27 Mar
Ryanair Logo
15:55 - 18:45
DUB
-
FAO
2h 50mdirect
Ryanair Logo
21:35 - 09:05
FAO
-
DUB
11h 30m
1 stop
£69Ryanair
Tue, 17 Mar - Tue, 24 Mar
Ryanair Logo
19:35 - 22:25
DUB
-
FAO
2h 50mdirect
Ryanair Logo
10:35 - 20:05
FAO
-
DUB
9h 30m
1 stop
£71Ryanair
Fri, 6 Mar - Mon, 9 Mar
Ryanair Logo
07:20 - 09:40
DUB
-
OPO
2h 20mdirect
Ryanair Logo
17:35 - 23:55
OPO
-
DUB
6h 20m
1 stop
£74Ryanair
Tue, 17 Mar - Tue, 24 Mar
Multiple Airlines Logo
16:50 - 19:40
DUB
-
LIS
2h 50mdirect
Multiple Airlines Logo
21:05 - 16:05
LIS
-
DUB
19h 00m
2 stops
£77Multiple Airlines
Tue, 17 Mar - Tue, 24 Mar
Multiple Airlines Logo
08:05 - 16:55
DUB
-
LIS
8h 50m
1 stop
Multiple Airlines Logo
21:30 - 07:40
LIS
-
DUB
10h 10m
1 stop
£80Multiple Airlines
Tue, 10 Mar - Fri, 27 Mar

KLM flights from Ireland to Portugal

Our best KLM deals on Ireland to Portugal flight tickets
KLM
10 Mar
DUB17:15Dublin
5h 55m
1 stop
LIS23:10Lisbon Humberto Delgado
14 Mar
LIS09:50Lisbon Humberto Delgado
12h 20m
1 stop
DUB22:10Dublin
£131
KLM
16 Mar
DUB17:15Dublin
5h 55m
1 stop
LIS23:10Lisbon Humberto Delgado
19 Mar
LIS05:00Lisbon Humberto Delgado
7h 40m
1 stop
DUB12:40Dublin
£139
KLM
16 Mar
DUB17:15Dublin
5h 55m
1 stop
LIS23:10Lisbon Humberto Delgado
19 Mar
LIS05:00Lisbon Humberto Delgado
17h 10m
1 stop
DUB22:10Dublin
£140

Ryanair flights from Ireland to Portugal

Our best Ryanair deals on Ireland to Portugal flight tickets
Ryanair
17 Mar
DUB07:20Dublin
2h 20m
OPO09:40Porto
24 Mar
OPO10:05Porto
2h 20m
DUB12:25Dublin
£50
Ryanair
18 Mar
DUB16:30Dublin
2h 50m
FAO19:20Faro
25 Mar
FAO15:30Faro
2h 50m
DUB18:20Dublin
£53
Ryanair
17 Mar
DUB15:55Dublin
2h 50m
FAO18:45Faro
24 Mar
FAO10:30Faro
2h 50m
DUB13:20Dublin
£54

momondo Fare Finder

 
Customise your flight search to find flights from Ireland to Portugal 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 February 2026.
Use the filters below to find and compare flights from Ireland to Portugal that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 17/3

07:20-09:40

Nonstop2h 20m

Porto

Tue 24/3

10:05-12:25

Nonstop2h 20m

£50

DublinFaro

DUB - FAO

DUBFAO

Dublin

Wed 18/3

16:30-19:20

Nonstop2h 50m

Faro

Wed 25/3

15:30-18:20

Nonstop2h 50m

£53

DublinFaro

DUB - FAO

DUBFAO

Dublin

Tue 17/3

15:55-18:45

Nonstop2h 50m

Faro

Tue 24/3

10:30-13:20

Nonstop2h 50m

£54

DublinFaro

DUB - FAO

DUBFAO

Dublin

Fri 6/3

19:35-22:25

Nonstop2h 50m

Faro

Mon 9/3

08:15-11:05

Nonstop2h 50m

£56

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Tue 10/3

13:00-20:35

1 stop7h 35m

Lisbon Humberto Delgado

Fri 27/3

20:50-23:40

Nonstop2h 50m

£63

DublinFaro

DUB - FAO

DUBFAO

Dublin

Tue 17/3

15:55-18:45

Nonstop2h 50m

Faro

Tue 24/3

21:35-09:05

1 stop11h 30m

£69

DublinFaro

DUB - FAO

DUBFAO

Dublin

Fri 6/3

19:35-22:25

Nonstop2h 50m

Faro

Mon 9/3

10:35-20:05

1 stop9h 30m

£71

DublinPorto

DUB - OPO

DUBOPO

Dublin

Tue 17/3

07:20-09:40

Nonstop2h 20m

Porto

Tue 24/3

17:35-23:55

1 stop6h 20m

£74

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Tue 17/3

16:50-19:40

Nonstop2h 50m

Lisbon Humberto Delgado

Tue 24/3

21:05-16:05

2 stops19h 00m

£77

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Tue 10/3

08:05-16:55

1 stop8h 50m

Lisbon Humberto Delgado

Fri 27/3

21:30-07:40

1 stop10h 10m

£80

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 Portugal from

How to get the cheapest flight ticket from Ireland to Portugal

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 Portugal?

The month of January is, on average, the cheapest month to fly to Portugal from Ireland, with most prices found around £91. If you are unable to visit Portugal during the month of January, then departing from Ireland during the month November is also very affordable. Most momondo users find prices during this month for around £95.

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

The cheapest day to depart from Ireland to Portugal is on a Tuesday when prices can be found for as low as £163. Flights from Ireland to Portugal on a Wednesday will generally be more expensive and average around £298. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Portugal?

The cheapest time of day to fly to Portugal is at midday when flights can be purchased for as low as £90. Flights to Portugal are more costly in the evening, with an average ticket price of £280. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

What is the cheapest Ireland to Portugal flight route?

Fly from Cork to Faro for the best Ireland - Portugal flight prices

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

You are more likely to see cheaper flights to Portugal from Ireland when booking weeks ahead of your departure date. In general, you can expect to find flights to Portugal for around £136 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Portugal from Ireland for as low as £112 on momondo.

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

There are 3 cabin classes available to choose from on Ireland to Portugal 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 Portugal flights?

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

Cheap Ireland to Portugal flight deals and tips

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

Best price found

£31

Fastest flight time

2h 20m

Direct flights

Every day

Airports in Portugal

99 airports
The best one-way flight to Portugal from Ireland in the past 72 hours is £31. The best return flight deal from Ireland to Portugal found on momondo in the last 72 hours is £88.
The fastest flight from Ireland to Portugal takes 2h 20m
Direct flights go from Ireland to Portugal every day.
There are 99 airports in Portugal. From Ireland there are direct flights to Faro (FAO), Lisbon Humberto Delgado (LIS), Porto (OPO).
  • When did momondo last update prices for flights from Ireland to Portugal?

    Prices for flights from Ireland to Portugal are updated daily.

  • How many operators does momondo search for flights from Ireland to Portugal?

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Ireland to Portugal.

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

    The required travel and health documents for your Portugal 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 Portugal. 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 Portugal?

Best airlines flying from Ireland to Portugal

Compare and see reviews for airlines that fly from Ireland to Portugal with momondo
Airline
Rating
Free Cancellation
Price
RyanairPriceFrom £26Free CancellationRating
6.9
5,256 reviews
Search Ryanair flights
Aer LingusPriceFrom £66Free CancellationRating
7.2
1,444 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom £76Free CancellationRating
7.1
2,133 reviews
Search TAP AIR PORTUGAL flights

Why use momondo?

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

It is quick and easy to find Ireland to Portugal 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 Portugal that suits you.

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

Yes. momondo enables you to select and highlight flights to Portugal from Ireland with this policy.

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

Once you have performed a search for Ireland to Portugal flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Of course. momondo tracks the price of Ireland to Portugal flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Portugal trip

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1 adult
Wed 4/3
Wed 11/3

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