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Cheap flights from Ireland to Portugal from €27

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 25/9. 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
09:10 - 11:45ORK-FAO
2h 35mdirect
Ryanair Logo
06:15 - 08:55FAO-ORK
2h 40mdirect
€45Ryanair
Find Deal
Thu, 23 Oct - Sun, 26 Oct
Ryanair Logo
18:45 - 21:20ORK-FAO
2h 35mdirect
Ryanair Logo
06:20 - 09:00FAO-ORK
2h 40mdirect
€57Ryanair
Find Deal
Sat, 11 Oct - Sat, 18 Oct
Aer Lingus Logo
06:00 - 08:30ORK-FAO
2h 30mdirect
Aer Lingus Logo
09:10 - 11:45FAO-ORK
2h 35mdirect
€93Aer Lingus
Find Deal
Wed, 15 Oct - Wed, 22 Oct
Aer Lingus Logo
06:00 - 08:30ORK-FAO
2h 30mdirect
Aer Lingus Logo
09:10 - 11:45FAO-ORK
2h 35mdirect
€112Aer Lingus
Find Deal
Thu, 16 Oct - Mon, 20 Oct
TAP AIR PORTUGAL Logo
18:50 - 23:50DUB-FAO
5h 00m1 stop
TAP AIR PORTUGAL Logo
18:10 - 00:05FAO-DUB
5h 55m1 stop
€135TAP AIR PORTUGAL
Find Deal
Sun, 21 Sep - Thu, 25 Sep
TAP AIR PORTUGAL Logo
05:30 - 23:50DUB-FAO
18h 20m1 stop
TAP AIR PORTUGAL Logo
06:05 - 00:05FAO-DUB
18h 00m1 stop
€142TAP AIR PORTUGAL
Find Deal
Fri, 26 Sep - Thu, 2 Oct
KLM Logo
06:00 - 18:25ORK-FAO
12h 25m1 stop
KLM Logo
19:05 - 23:25FAO-ORK
28h 20m1 stop
€200KLM
Find Deal
Mon, 8 Dec - Thu, 11 Dec
KLM Logo
06:00 - 18:25ORK-FAO
12h 25m1 stop
KLM Logo
19:05 - 15:00FAO-ORK
43h 55m2 stops
€230KLM
Find Deal
Mon, 8 Dec - Thu, 11 Dec
British Airways Logo
07:50 - 18:05SNN-LIS
10h 15m2 stops
British Airways Logo
07:05 - 16:45LIS-SNN
9h 40m1 stop
€519British Airways
Find Deal
Mon, 1 Dec - Sun, 7 Dec
British Airways Logo
07:40 - 23:10SNN-LIS
15h 30m1 stop
British Airways Logo
07:20 - 20:35LIS-SNN
13h 15m1 stop
€552British Airways
Find Deal
Sat, 18 Oct - Fri, 24 Oct

Ryanair flights from Ireland to Portugal

Our best Ryanair deals on Ireland to Portugal flight tickets
Ryanair
23 Oct
ORK09:10Cork
2h 35m
FAO11:45Faro
26 Oct
FAO06:15Faro
2h 40m
ORK08:55Cork
€45
Find similar
Ryanair
11 Oct
ORK18:45Cork
2h 35m
FAO21:20Faro
18 Oct
FAO06:20Faro
2h 40m
ORK09:00Cork
€57
Find similar
Ryanair
12 Sept
ORK05:45Cork
2h 35m
FAO08:20Faro
19 Sept
FAO08:45Faro
2h 40m
ORK11:25Cork
€58
Find similar

TAP AIR PORTUGAL flights from Ireland to Portugal

Our best TAP AIR PORTUGAL deals on Ireland to Portugal flight tickets
TAP AIR PORTUGAL
21 Sept
DUB18:50Dublin
5h 00m
1 stop
FAO23:50Faro
25 Sept
FAO18:10Faro
5h 55m
1 stop
DUB00:05Dublin
€135
Find similar
TAP AIR PORTUGAL
6 Oct
DUB05:30Dublin
2h 55m
LIS08:25Lisbon Humberto Delgado
9 Oct
LIS21:15Lisbon Humberto Delgado
2h 50m
DUB00:05Dublin
€142
Find similar
TAP AIR PORTUGAL
8 Sept
DUB18:50Dublin
5h 00m
1 stop
FAO23:50Faro
12 Sept
FAO18:20Faro
5h 45m
1 stop
DUB00:05Dublin
€182
Find similar

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 29 August 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

CorkFaro

ORK - FAO

ORKFAO

Cork

Thu 23/10

09:10-11:45

Nonstop2h 35m

Faro

Sun 26/10

06:15-08:55

Nonstop2h 40m

€45

CorkFaro

ORK - FAO

ORKFAO

Cork

Sat 11/10

18:45-21:20

Nonstop2h 35m

Faro

Sat 18/10

06:20-09:00

Nonstop2h 40m

€57

CorkFaro

ORK - FAO

ORKFAO

Cork

Wed 15/10

06:00-08:30

Nonstop2h 30m

Faro

Wed 22/10

09:10-11:45

Nonstop2h 35m

€93

CorkFaro

ORK - FAO

ORKFAO

Cork

Thu 16/10

06:00-08:30

Nonstop2h 30m

Faro

Mon 20/10

09:10-11:45

Nonstop2h 35m

€112

DublinFaro

DUB - FAO

DUBFAO

Dublin

Sun 21/9

18:50-23:50

1 stop5h 00m

Faro

Thu 25/9

18:10-00:05

1 stop5h 55m

€135

DublinFaro

DUB - FAO

DUBFAO

Dublin

Fri 26/9

05:30-23:50

1 stop18h 20m

Faro

Thu 2/10

06:05-00:05

1 stop18h 00m

€142

CorkFaro

ORK - FAO

ORKFAO

Cork

Mon 8/12

06:00-18:25

1 stop12h 25m

Faro

Thu 11/12

19:05-23:25

1 stop28h 20m

€200

CorkFaro

ORK - FAO

ORKFAO

Cork

Mon 8/12

06:00-18:25

1 stop12h 25m

Faro

Thu 11/12

19:05-15:00

2 stops43h 55m

€230

ShannonLisbon

SNN - LIS

SNNLIS

Shannon

Mon 1/12

07:50-18:05

2 stops10h 15m

Lisbon Humberto Delgado

Sun 7/12

07:05-16:45

1 stop9h 40m

€519

ShannonLisbon

SNN - LIS

SNNLIS

Shannon

Sat 18/10

07:40-23:10

1 stop15h 30m

Lisbon Humberto Delgado

Fri 24/10

07:20-20:35

1 stop13h 15m

€552

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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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 €362. If your travel schedule is flexible, try to avoid departing on a Tuesday because tickets tend to average around €704. 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 €422. Flights to Portugal are more costly in the evening, with an average ticket price of €755. 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 €162 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 €122 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

€69

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 €69. The best return flight deal from Ireland to Portugal found on momondo in the last 72 hours is €130.
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)
Search flight deals

  • 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 €89Free CancellationRating
7.2
1,240 reviews
Search Aer Lingus flights
TAP AIR PORTUGALPriceFrom €105Free CancellationRating
7.1
1,966 reviews
Search TAP AIR PORTUGAL flights
KLMPriceFrom €137Free CancellationRating
7.8
1,383 reviews
Search KLM flights
British AirwaysPriceFrom €430Free CancellationRating
6.7
7,320 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.
Start using Trips
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Find better results for your trip to Portugal

Popular Cities in Portugal

Popular flights according to clicks in the last 7 days on momondo
Flights to Lisbonfrom €61
Flights to Farofrom €57
Flights to Portofrom €75
Flights to Funchalfrom €83
Flights to Ponta Delgadafrom €197
Flights to Lajesfrom €217
Flights to Porto Santofrom €261