Cheap flights from Ireland to Portugal from €26

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 3/11. 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

Ryanair Logo
19:35 - 23:20DUB-FNC
3h 45mdirect
Ryanair Logo
06:00 - 09:40FNC-DUB
3h 40mdirect
€50Ryanair
Find Deal
Mon, 27 Oct - Wed, 29 Oct
Ryanair Logo
09:10 - 11:45ORK-FAO
2h 35mdirect
Ryanair Logo
06:15 - 08:55FAO-ORK
2h 40mdirect
€56Ryanair
Find Deal
Thu, 23 Oct - Sun, 26 Oct
Aer Lingus Logo
06:00 - 08:30ORK-FAO
2h 30mdirect
Aer Lingus Logo
09:10 - 11:45FAO-ORK
2h 35mdirect
€71Aer Lingus
Find Deal
Mon, 13 Oct - Thu, 16 Oct
Aer Lingus Logo
06:00 - 08:30ORK-FAO
2h 30mdirect
Aer Lingus Logo
09:10 - 11:45FAO-ORK
2h 35mdirect
€76Aer Lingus
Find Deal
Mon, 6 Oct - Wed, 15 Oct
TAP AIR PORTUGAL Logo
16:55 - 19:50DUB-LIS
2h 55mdirect
TAP AIR PORTUGAL Logo
07:25 - 10:20LIS-DUB
2h 55mdirect
€122TAP AIR PORTUGAL
Find Deal
Sat, 8 Nov - Sun, 16 Nov
TAP AIR PORTUGAL Logo
11:10 - 14:05DUB-LIS
2h 55mdirect
TAP AIR PORTUGAL Logo
20:25 - 23:20LIS-DUB
2h 55mdirect
€123TAP AIR PORTUGAL
Find Deal
Fri, 30 Jan - Sat, 7 Feb
KLM Logo
15:40 - 10:35ORK-LIS
18h 55m2 stops
KLM Logo
05:00 - 23:25LIS-ORK
18h 25m1 stop
€230KLM
Find Deal
Mon, 3 Nov - Tue, 11 Nov
KLM Logo
17:15 - 08:25ORK-FAO
15h 10m1 stop
KLM Logo
19:05 - 23:25FAO-ORK
28h 20m1 stop
€230KLM
Find Deal
Thu, 30 Oct - Thu, 6 Nov
British Airways Logo
17:35 - 09:50ORK-LIS
16h 15m1 stop
British Airways Logo
07:05 - 15:25LIS-ORK
8h 20m1 stop
€374British Airways
Find Deal
Mon, 3 Nov - Tue, 11 Nov
British Airways Logo
07:50 - 18:05SNN-LIS
10h 15m2 stops
British Airways Logo
07:00 - 15:45LIS-SNN
8h 45m1 stop
€430British Airways
Find Deal
Sat, 1 Nov - Sat, 8 Nov

KLM flights from Ireland to Portugal

Our best KLM deals on Ireland to Portugal flight tickets
KLM
3 Nov
ORK15:40Cork
18h 55m
2 stops
LIS10:35Lisbon Humberto Delgado
11 Nov
LIS05:00Lisbon Humberto Delgado
18h 25m
1 stop
ORK23:25Cork
KLM
30 Sept
ORK15:25Cork
40h 15m
2 stops
FAO07:40Faro
4 Oct
FAO21:55Faro
24h 30m
1 stop
ORK22:25Cork

Aer Lingus flights from Ireland to Portugal

Our best Aer Lingus deals on Ireland to Portugal flight tickets
Aer Lingus
13 Oct
ORK06:00Cork
2h 30m
FAO08:30Faro
16 Oct
FAO09:10Faro
2h 35m
ORK11:45Cork
Aer Lingus
6 Oct
ORK06:00Cork
2h 30m
FAO08:30Faro
15 Oct
FAO09:10Faro
2h 35m
ORK11:45Cork
Aer Lingus
8 Oct
ORK06:00Cork
2h 30m
FAO08:30Faro
15 Oct
FAO09:10Faro
2h 35m
ORK11:45Cork

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 13,528 searches. Data last updated 16 September 2025.
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

DublinFunchal

DUB - FNC

DUBFNC

Dublin

Mon 27/10

19:35-23:20

Nonstop3h 45m

Funchal Madeira

Wed 29/10

06:00-09:40

Nonstop3h 40m

€50

CorkFaro

ORK - FAO

ORKFAO

Cork

Thu 23/10

09:10-11:45

Nonstop2h 35m

Faro

Sun 26/10

06:15-08:55

Nonstop2h 40m

€56

CorkFaro

ORK - FAO

ORKFAO

Cork

Mon 13/10

06:00-08:30

Nonstop2h 30m

Faro

Thu 16/10

09:10-11:45

Nonstop2h 35m

€71

CorkFaro

ORK - FAO

ORKFAO

Cork

Mon 6/10

06:00-08:30

Nonstop2h 30m

Faro

Wed 15/10

09:10-11:45

Nonstop2h 35m

€76

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sat 8/11

16:55-19:50

Nonstop2h 55m

Lisbon Humberto Delgado

Sun 16/11

07:25-10:20

Nonstop2h 55m

€122

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Fri 30/1

11:10-14:05

Nonstop2h 55m

Lisbon Humberto Delgado

Sat 7/2

20:25-23:20

Nonstop2h 55m

€123

CorkLisbon

ORK - LIS

ORKLIS

Cork

Mon 3/11

15:40-10:35

2 stops18h 55m

Lisbon Humberto Delgado

Tue 11/11

05:00-23:25

1 stop18h 25m

€230

CorkFaro

ORK - FAO

ORKFAO

Cork

Thu 30/10

17:15-08:25

1 stop15h 10m

Faro

Thu 6/11

19:05-23:25

1 stop28h 20m

€230

CorkLisbon

ORK - LIS

ORKLIS

Cork

Mon 3/11

17:35-09:50

1 stop16h 15m

Lisbon Humberto Delgado

Tue 11/11

07:05-15:25

1 stop8h 20m

€374

ShannonLisbon

SNN - LIS

SNNLIS

Shannon

Sat 1/11

07:50-18:05

2 stops10h 15m

Lisbon Humberto Delgado

Sat 8/11

07:00-15:45

1 stop8h 45m

€430

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 €97. If you’re not able to fly to Portugal in January, then February is your next best option. Flight prices from Ireland to Portugal during February average around €110.

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

The cheapest day to depart from Ireland to Portugal is on a Sunday when prices can be found for as low as €308. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €690. These prices are subject to change though, so be sure to set up a Price Alert for flights to Portugal.

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

Our most recent data shows that the best time of day to fly to Portugal is in the morning. Flights from Ireland to Portugal during this time can be as low as €394. Flights to Portugal are more costly in the evening, with an average ticket price of €734. 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 Dublin to Lisbon Humberto Delgado 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 €160 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 €134 on momondo.

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

There are 2 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

€102

Fastest flight time

2h 15m

Direct flights

Every day

Airports in Portugal

1 airport
The best one-way flight to Portugal from Ireland in the past 72 hours is €102. The best return flight deal from Ireland to Portugal found on momondo in the last 72 hours is €131.
The fastest flight from Ireland to Portugal takes 2h 15m
Direct flights go from Ireland to Portugal every day.
There is 1 airport near Portugal: 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 necessary travel and health documents for your Portugal trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted 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
Aer LingusPriceFrom €90Free CancellationRating
7.2
1,274 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom €107Free CancellationRating
7.1
1,975 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom €136Free CancellationRating
7.8
1,385 reviews
Search KLM flights
British AirwaysPriceFrom €427Free CancellationRating
6.6
7,361 reviews
Search British Airways flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Ireland to Portugal . Millions of users trust and use momondo every year so you are in good hands.

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

momondo does allow users to show only those flights to Portugal from Ireland which offer a flexible booking policy as well as other useful filters and features.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ireland to Portugal.

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

Yes momondo offers price alerts on flights to Portugal from Ireland. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

An easier way to manage your Portugal 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
Thu 16/10
Thu 23/10

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