Find flights
Deals
When to book
Airlines
FAQs

Cheap flights from Ireland to Portugal from £26

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LIS
8 Aug — 15 Aug1
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
Explore the most affordable flight options available from Ireland to Portugal. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 July 2026.

Wed 26/821:30
DUB
-
OPO
1 stop15h 40m
Vueling
Tue 1/922:00
OPO
-
DUB
1 stop11h 20m
Vueling
Deal found 5/7£74
Wed 19/821:30
DUB
-
OPO
1 stop10h 30m
Vueling
Wed 26/822:00
OPO
-
DUB
1 stop11h 05m
Vueling
Deal found 5/7£79
Thu 20/819:30
DUB
-
OPO
Nonstop2h 25m
Ryanair
Tue 25/822:20
OPO
-
DUB
1 stop13h 40m
Ryanair
Deal found 6/7£86
Fri 28/818:50
DUB
-
OPO
Nonstop2h 25m
Ryanair
Fri 4/921:45
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 5/7£94
Thu 20/819:30
DUB
-
OPO
Nonstop2h 25m
Ryanair
Fri 28/815:40
OPO
-
DUB
1 stop9h 15m
Ryanair
Deal found 8/7£97
Sat 22/818:25
DUB
-
OPO
Nonstop2h 25m
Ryanair
Thu 27/822:20
OPO
-
DUB
Nonstop2h 25m
Ryanair
Deal found 4/7£98
Fri 28/813:40
DUB
-
OPO
1 stop10h 10m
Ryanair
Mon 31/821:05
OPO
-
DUB
1 stop13h 50m
Ryanair
Deal found 6/7£99
Thu 27/822:00
DUB
-
OPO
1 stop10h 55m
Multiple Airlines
Tue 1/922:20
OPO
-
DUB
1 stop13h 40m
Multiple Airlines
Deal found 8/7£101
Thu 20/819:30
DUB
-
OPO
Nonstop2h 25m
Ryanair
Wed 26/822:30
OPO
-
DUB
1 stop9h 40m
Ryanair
Deal found 5/7£102
Fri 14/817:30
DUB
-
FAO
Nonstop2h 55m
Ryanair
Fri 28/806:05
FAO
-
DUB
2 stops18h 55m
Ryanair
Deal found 7/7£103
Mon 13/712:25
DUB
-
FAO
1 stop10h 55m
Ryanair
Fri 17/709:00
FAO
-
DUB
1 stop15h 15m
Ryanair
Deal found 4/7£104
Sat 25/706:40
DUB
-
FAO
1 stop15h 10m
Ryanair
Tue 28/706:20
FAO
-
DUB
1 stop13h 35m
Ryanair
Deal found 5/7£105

Find flight deals from Ireland to Portugal

Keep the following information in mind while searching for Ireland to Portugal flight deals. Data was last updated 9 July 2026.

Round-trip from

£74

One-way from

£26

Popular in

July

Cheapest in

January

Average price

£248

Good round-trip deal

£138 or less

Good one-way deal

£53 or less
Vueling
  • Vueling
  • 26/8-1/9
  • 2 total stops
  • 27h 00m total
  • Ireland to Portugal
Search Deals
Ryanair
  • Ryanair
  • 6/9
  • Nonstop
  • 2h 55m total
  • Ireland to Portugal
Search Deals
Highest demand for flights based on searches. 25% potential increase in price (£38 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 July 2026
Search Deals
Price to beat on a round-trip flight from Ireland to Portugal.
Search Deals
Price to beat on a one-way flight from Ireland to Portugal.
Search Deals

Cheapflights 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, Cheapflights users made 858,174 searches. Data last updated 9 July 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

Cheapest return flight

DublinPorto

DUB - OPO

DUBOPO

Dublin

Wed 19/8

21:30-08:00

1 stop10h 30m

Porto

Wed 26/8

22:00-09:05

1 stop11h 05m

£79

DublinFaro

DUB - FAO

DUBFAO

Dublin

Thu 10/9

17:25-20:20

Nonstop2h 55m

Faro

Mon 14/9

07:50-10:45

Nonstop2h 55m

£114

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Fri 4/9

19:05-21:55

Nonstop2h 50m

Lisbon Humberto Delgado

Mon 7/9

22:30-01:15

Nonstop2h 45m

£116

DublinFaro

DUB - FAO

DUBFAO

Dublin

Sat 18/7

23:50-08:35

1 stop8h 45m

Faro

Tue 21/7

09:35-23:45

1 stop14h 10m

£120

DublinFaro

DUB - FAO

DUBFAO

Dublin

Sat 19/9

18:35-21:30

Nonstop2h 55m

Faro

Sun 27/9

08:05-11:00

Nonstop2h 55m

£123
Fastest return journey

DublinPorto

DUB - OPO

DUBOPO

Dublin

Sun 25/10

06:30-08:55

Nonstop2h 25m

Porto

Wed 28/10

21:35-23:59

Nonstop2h 24m

£128

DublinFaro

DUB - FAO

DUBFAO

Dublin

Tue 28/7

20:35-23:30

Nonstop2h 55m

Faro

Tue 4/8

10:45-13:40

Nonstop2h 55m

£129

DublinFaro

DUB - FAO

DUBFAO

Dublin

Wed 5/8

20:35-23:30

Nonstop2h 55m

Faro

Sun 9/8

08:05-11:00

Nonstop2h 55m

£129

DublinFaro

DUB - FAO

DUBFAO

Dublin

Tue 25/8

17:20-08:00

1 stop14h 40m

Faro

Tue 1/9

20:35-08:20

1 stop11h 45m

£130

DublinLisbon

DUB - LIS

DUBLIS

Dublin

Sat 31/10

09:25-12:15

Nonstop2h 50m

Lisbon Humberto Delgado

Mon 2/11

22:00-00:50

Nonstop2h 50m

£139

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 49 resultsSorted by cheapest first
1
2
3
...
5

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
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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, November is the cheapest month in which you can book a flight from Ireland to Portugal (average of £22). Flying from Ireland to Portugal in May is currently the most expensive (average of £472). 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?

Find hourly flight availability from Ireland to Portugal. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 9 July 2026.

Unlike in the evening, when flights are generally more expensive, you can save up to 46% on flights from Ireland to Portugal by exploring options for tickets at midday.

Weekly flight availability from Ireland to Portugal

Explore weekly flight availability from Ireland to Portugal. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 9 July 2026.

The most flights from IE0 to PT0 are scheduled on a Monday (8 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (3 on average).

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 109 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 10% 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 73 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?

Use this chart to determine the cheapest time to fly return from Ireland to Portugal. Price data was last updated on 4 July 2026.

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 afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Portugal

Get insights into the airlines that provide service to Portugal. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Portugal. Reviews last updated 9 July 2026.
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
1,652 reviews
Check prices

Entertainment

7.0

Food

6.6

Crew

8.1

Boarding

7.4

Comfort

7.2

Overall

7.3

Reviews

1 / 20
4.0
Okay

Lama,May 2026

DUB - ALC

Seats were super small, there was no food, and they lost my bag.
Aer Lingus
7.3
Good
1,652 reviews
Aer Lingus
7.3
Good
1,652 reviews
Check prices

Entertainment

7.0

Food

6.6

Crew

8.1

Boarding

7.4

Comfort

7.2

Overall

7.3

Reviews

1 / 20
4.0
Okay

Lama,May 2026

DUB - ALC

Seats were super small, there was no food, and they lost my bag.
TAP AIR PORTUGAL
7.2
Good
2,326 reviews
Aer Lingus
7.3
Good
1,652 reviews
Check prices

Entertainment

7.0

Food

6.6

Crew

8.1

Boarding

7.4

Comfort

7.2

Overall

7.3

Reviews

1 / 20
4.0
Okay

Lama,May 2026

DUB - ALC

Seats were super small, there was no food, and they lost my bag.
Ryanair
6.9
Okay
5,436 reviews
Aer Lingus
7.3
Good
1,652 reviews
Check prices

Entertainment

7.0

Food

6.6

Crew

8.1

Boarding

7.4

Comfort

7.2

Overall

7.3

Reviews

1 / 20
4.0
Okay

Lama,May 2026

DUB - ALC

Seats were super small, there was no food, and they lost my bag.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Portugal. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Ireland to Portugal flight route?

    This flight path from Ireland to Portugal was viewed by 319 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 £114, Vueling can have you in Portugal from Ireland in 2h 55m. Airlines will cover a distance of 1136 mi. Both multi-stop and direct flights can be found to your destination and back.

  • 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, November is the cheapest month in which you can book a flight from Ireland to Portugal (average of £22). Flying from Ireland to Portugal in May is currently the most expensive (average of £472). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Ireland to Portugal

See prices for flight routes from nearby airports that may be better suited for you.
Stansted to Istanbul flights
Heathrow to Istanbul flights
Frederic Chopin to Luton flights
Gatwick to Istanbul flights
Frederic Chopin to Stansted flights
Amsterdam to Luton flights
Amsterdam to Gatwick flights
Duesseldorf Intl to Stansted flights
Gatwick to Edinburgh flights
Duesseldorf Intl to Luton flights
Charles de Gaulle to Luton flights
Charles de Gaulle to Gatwick flights
Charles de Gaulle to Heathrow flights
Charles de Gaulle to London City flights
Duesseldorf Intl to Heathrow flights
Amsterdam to Stansted flights
Stansted to Edinburgh flights
Gatwick to Charles de Gaulle flights
Luton to Edinburgh flights
Orly to Gatwick flights
Heathrow to Charles de Gaulle flights
Luton to Charles de Gaulle flights
London City to Charles de Gaulle flights
Heathrow to Edinburgh flights
Luton to Istanbul flights
Gatwick to Orly flights
Vienna to Stansted flights
Heathrow to Lisbon flights
Duesseldorf Intl to Gatwick flights
Berlin to Gatwick flights
Heathrow to Palma de Mallorca flights
Gatwick to Belfast Intl flights
Luton to Lisbon flights
Frederic Chopin to Gatwick flights
London City to Istanbul flights
Frankfurt to Luton flights
Gatwick to Lisbon flights
Orly to Heathrow flights
Dublin to Gatwick flights
Duesseldorf Intl to London City flights
Stansted to Beauvais-Tille flights
Frederic Chopin to Heathrow flights
Luton to Amsterdam flights
Dublin to Stansted flights
Frankfurt to Gatwick flights
Vienna to Heathrow flights
Charles de Gaulle to Southend flights
Gatwick to Amsterdam flights
Southend to Charles de Gaulle flights
Dublin to Luton flights

Top 3 airlines flying from Ireland to Portugal

Discover the top 3 airlines that operate flights from Ireland to Portugal. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 July 2026.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£26Average£136FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£51Average£197FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£99Average£144FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.