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Cheap flights from Ireland to Portugal from £22

DUB — LIS
29 Nov — 6 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ireland to Portugal

Enter your travel dates to find the best prices.

Cheapest flights from Ireland to Portugal

Sun 6/1210:30 -
Nonstop2h 35m
Fri 11/1221:15 -
Nonstop2h 40m
Deal found 29/10£26
Sun 13/1207:00 -
Nonstop2h 55m
Sun 20/1206:20 -
Nonstop3h 00m
Deal found 29/10£28
Thu 10/1206:00 -
Nonstop2h 55m
Thu 17/1209:20 -
Nonstop3h 00m
Deal found 26/10£34
Sat 12/1209:35 -
Nonstop2h 55m
Sat 19/1206:10 -
Nonstop3h 00m
Deal found 28/10£34
Sat 5/1217:00 -
Nonstop2h 25m
Fri 18/1221:45 -
Nonstop2h 25m
Deal found 29/10£34
Wed 25/1109:50 -
Nonstop2h 55m
Thu 26/1109:20 -
Nonstop3h 00m
Deal found 26/10£39
Sun 29/1106:30 -
Nonstop2h 25m
Sun 6/1209:20 -
Nonstop2h 25m
Deal found 29/10£43
Sat 12/1210:50 -
Nonstop3h 40m
Mon 21/1206:20 -
Nonstop3h 40m
Deal found 28/10£43
Sun 6/1206:30 -
Nonstop2h 25m
Sun 13/1220:35 -
Nonstop2h 25m
Deal found 29/10£44
Sun 22/1107:00 -
Nonstop2h 55m
Thu 26/1109:20 -
Nonstop3h 00m
Deal found 25/10£46
Sat 5/1210:50 -
Nonstop3h 40m
Sat 12/1206:45 -
Nonstop3h 40m
Deal found 29/10£46
Fri 18/1206:00 -
Nonstop2h 55m
Thu 31/1206:25 -
Nonstop3h 00m
Deal found 29/10£47

Find flight deals from Ireland to Portugal

Round-trip from

£26

One-way from

£22

Popular in

July

Cheapest in

January

Average price

£180

Good round-trip deal

£74 or less

Good one-way deal

£38 or less
Ryanair
  • Ryanair
  • 6/12-11/12
  • Nonstop
  • 5h 15m total
  • Ireland to Portugal
Search Deals
Ryanair
  • Ryanair
  • 28/11-31/12
  • Nonstop
  • 3h 40m total
  • Ireland to Portugal
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£39 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease (£7 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
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Price to beat on a round-trip flight from Ireland to Portugal.
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Price to beat on a one-way flight from Ireland to Portugal.
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Cheapflights Fare Finder

 
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

Cheapest return flight

DublinFunchal

DUB Dublin - FNC Funchal Madeira

DUBFNC

Dublin

Sat 28/11

10:50-14:30

Nonstop3h 40m

Funchal Madeira

Wed 31/12

00:00-01:00

Nonstop0h 00m

£22

DublinFaro

DUB Dublin - FAO Faro

DUBFAO

Dublin

Wed 3/2

09:50-12:45

Nonstop2h 55m

Faro

Wed 31/12

00:00-00:00

Nonstop0h 00m

£25

DublinFaro

DUB Dublin - FAO Faro

DUBFAO

Dublin

Mon 9/11

17:35-20:30

Nonstop2h 55m

Faro

Wed 31/12

00:00-00:00

Nonstop0h 00m

£25
Fastest return journey

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Mon 30/11

11:25-13:50

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£25

CorkFaro

ORK Cork - FAO Faro

ORKFAO

Cork

Sun 6/12

10:30-13:05

Nonstop2h 35m

Faro

Fri 11/12

21:15-23:55

Nonstop2h 40m

£27

DublinFaro

DUB Dublin - FAO Faro

DUBFAO

Dublin

Sun 15/11

16:45-19:40

Nonstop2h 55m

Faro

Wed 31/12

00:00-00:00

Nonstop0h 00m

£28

DublinPorto

DUB Dublin - OPO Porto

DUBOPO

Dublin

Sun 15/11

06:30-08:55

Nonstop2h 25m

Porto

Wed 31/12

00:00-00:00

Nonstop0h 00m

£30

DublinFaro

DUB Dublin - FAO Faro

DUBFAO

Dublin

Sun 25/4

17:55-20:50

Nonstop2h 55m

Faro

Wed 31/12

00:00-00:00

Nonstop0h 00m

£31

DublinFaro

DUB Dublin - FAO Faro

DUBFAO

Dublin

Sat 28/11

09:35-12:30

Nonstop2h 55m

Faro

Wed 31/12

00:00-00:00

Nonstop0h 00m

£34

DublinFaro

DUB Dublin - FAO Faro

DUBFAO

Dublin

Sat 19/12

06:20-09:15

Nonstop2h 55m

Faro

Wed 31/12

00:00-00:00

Nonstop0h 00m

£35

Flights are sorted by cheapest return flights first.

Deals found on 28/10

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Ireland to Portugal

Have a flexible travel schedule? Discover the best time to fly to Portugal from Ireland with our price prediction graph.
Estimated return price

Cheapflights Insights

Everything you need to know about your flight from Ireland to Portugal

What is the cheapest month to book a flight from Ireland to Portugal?

Currently, January is the cheapest month in which you can book a flight from Ireland to Portugal (average of £92). Flying from Ireland to Portugal in July is currently the most expensive (average of £216). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from IE to PT?

Unlike in the evening, when flights are generally more expensive, you can save up to 42% on flights from Ireland to Portugal by exploring options for tickets at midday.

How often are flights from Ireland to Portugal delayed?

About 19% of weekly flights between Ireland and Portugal have experienced delays in the past year, with the average delay time being 110 minutes.

What is the most punctual flight time for Ireland to Portugal flights?

Historically, flights departing at night are less likely to be delayed, whereas flights leaving in the evening tend to experience delays more often.

What day of the week experiences the fewest flight delays on this route?

Tuesday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.

Which airline has the best punctuality record on Ireland to Portugal flights?

Over the past year, Aer Lingus have had the lowest number of delays on this route, with just 12% of flights being delayed.

How far ahead should I book a flight from Ireland to Portugal?

To ensure you get the cheapest price possible for a flight from Ireland to Portugal, you should look to book at least 52 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest day to fly from Ireland to Portugal?

Travellers seeking maximum savings on their Ireland to Portugal flight should consider departing on Wednesday at midday when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Portugal

Check out reviews from past customers who have flown with Aer Lingus,TAP AIR PORTUGAL, andRyanair from Ireland to Portugal to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Aer Lingus
7.3
Good
1,868 reviews
Check prices

Overall

7.3

Food

6.7

Comfort

7.2

Entertainment

7.1

Boarding

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Aer Lingus
7.3
Good
1,868 reviews
Aer Lingus
7.3
Good
1,868 reviews
Check prices

Overall

7.3

Food

6.7

Comfort

7.2

Entertainment

7.1

Boarding

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
TAP AIR PORTUGAL
7.2
Good
2,388 reviews
Aer Lingus
7.3
Good
1,868 reviews
Check prices

Overall

7.3

Food

6.7

Comfort

7.2

Entertainment

7.1

Boarding

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.
Ryanair
6.9
Okay
5,454 reviews
Aer Lingus
7.3
Good
1,868 reviews
Check prices

Overall

7.3

Food

6.7

Comfort

7.2

Entertainment

7.1

Boarding

7.5

Crew

8.1

Reviews

1 / 20
10.0
Excellent

Karin,Oct 2026

DUB - MCO

Food could have been better. The chicken and rice dish was excellent. Not sure about the salads. And the pizza was horrible was lukewarm and had way too much dough. Staff was mixed. Some staff didn’t seem like they wanted to be there.

Related info for your journey

  • How popular is this Ireland to Portugal flight route?

    This flight path from Ireland to Portugal was viewed by 285 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Ireland to Portugal?

    For as low as £27, Ryanair can have you in Portugal from Ireland in 2h 35m. Airlines will cover a distance of 1024 mi. Generally, flights for this route are direct.

  • What are the cheapest airlines to fly from Ireland to Portugal one-way?

    £22 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on Aer Lingus and TAP AIR PORTUGAL, with prices starting from £35 and £57, respectively.

  • Can I find deals for flights from Ireland to Portugal that include hotel bookings?

    Yes. In addition to deals on Ireland to Portugal flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ireland to Portugal?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to Portugal.

  • Can I find deals for business class flights from Ireland to Portugal?

    Yes. Cheapflights offers flight deals from Ireland to Portugal by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Ireland to Portugal?

    Currently, January is the cheapest month in which you can book a flight from Ireland to Portugal (average of £92). Flying from Ireland to Portugal in July is currently the most expensive (average of £216). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Top 3 airlines flying from Ireland to Portugal

AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£59Average£154FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£77Average£200FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£104Average£182FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

Fly with Cheapflights

How does Cheapflights help users find flights from Ireland to Portugal?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Portugal from Ireland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ireland to Portugal?

Cheapflights simply makes it quick and affordable to book flights from Ireland to Portugal by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ireland to Portugal with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Ireland to Portugal, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Ireland to Portugal become cheaper?

Yes, Cheapflights offers price alerts on Ireland to Portugal flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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