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Cheap flights from Ireland to Portugal from £30

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 13/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — LIS
17 jul. — 24 jul.1
1 adult

Cheap flight deals from Ireland to Portugal

Keep the following information in mind while searching for Ireland to Portugal flight deals. Data was last updated 12 juli 2025.

Round-trip from

£101

One-way from

£30

Popular in

July

Cheapest in

January

Average price

£251

Good round-trip deal

£126 or less

Good one-way deal

£41 or less
Vueling
  • Vueling
  • 13/9-16/9
  • 2 total stops
  • 23h 50m total
  • Ireland to Portugal
Ryanair
  • Ryanair
  • 13/9
  • Nonstop
  • 2h 55m total
  • Ireland to Portugal
Highest demand for flights based on searches. 26% potential increase in price (£42 potential increase over avg. return price).
Cheapest flight prices on average. 6% potential price decrease (£7 potential savings vs. average return price).
Average for round-trip flights in July 2025
Price to beat on a round-trip flight from Ireland to Portugal.
Price to beat on a one-way flight from Ireland to Portugal.

Find flight deals from Ireland to Portugal

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 12 juli 2025.

za 13/919:05DUB - OPO
1 stop12h 40mMultiple Airlines
di 16/922:00OPO - DUB
1 stop11h 10mMultiple Airlines
Deal found 11/7£101
do 7/818:55DUB - FAO
Nonstop2h 55mRyanair
do 14/807:25FAO - DUB
Nonstop3h 00mRyanair
Deal found 10/7£104
do 2/1020:10DUB - OPO
Nonstop2h 25mRyanair
di 7/1022:25OPO - DUB
Nonstop2h 25mRyanair
Deal found 10/7£104
wo 17/921:50DUB - LIS
1 stop10h 40mMultiple Airlines
wo 24/922:10LIS - DUB
2 stops20h 05mMultiple Airlines
Deal found 10/7£121
ma 25/807:35DUB - FAO
Nonstop3h 00mAer Lingus
za 30/822:45FAO - DUB
Nonstop2h 55mAer Lingus
Deal found 11/7£123
ma 25/819:10DUB - LIS
Nonstop2h 50mRyanair
ma 1/922:30LIS - DUB
Nonstop2h 45mRyanair
Deal found 11/7£123
za 15/1104:15DUB - LIS
Nonstop2h 55mTAP AIR PORTUGAL
vr 21/1120:25LIS - DUB
Nonstop2h 55mTAP AIR PORTUGAL
Deal found 10/7£126
do 6/1113:20DUB - LIS
1 stop8h 10mVueling
ma 10/1122:10LIS - DUB
1 stop14h 30mVueling
Deal found 12/7£132
vr 10/1019:55DUB - OPO
1 stop22h 55mTransavia France
zo 12/1008:30OPO - DUB
1 stop10h 35mTransavia France
Deal found 10/7£138
vr 12/908:10DUB - OPO
1 stop5h 45mVueling
di 16/922:00OPO - DUB
1 stop11h 10mVueling
Deal found 11/7£139
do 9/1020:45DUB - FAO
1 stop11h 15mKLM
wo 15/1020:00FAO - DUB
1 stop16h 35mKLM
Deal found 10/7£143
di 26/808:55DUB - LIS
1 stop5h 40mKLM
di 2/905:00LIS - DUB
1 stop7h 35mKLM
Deal found 11/7£143

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 12 juli 2025.
Use the filters below to find and compare flights from Ireland to Portugal that are best for you.

Fly from

Ireland

Fly to

Portugal

Route

Depart

Return

Price

DublinPorto

DUB - OPO

DUBOPO

Dublin

za 13/9

19:05-07:45

1 stop12h 40m

Porto

di 16/9

22:00-09:10

1 stop11h 10m

£101

DublinFaro

DUB - FAO

DUBFAO

Dublin

do 7/8

18:55-21:50

Nonstop2h 55m

Faro

do 14/8

07:25-10:25

Nonstop3h 00m

£104

DublinPorto

DUB - OPO

DUBOPO

Dublin

do 2/10

20:10-22:35

Nonstop2h 25m

Porto

di 7/10

22:25-00:50

Nonstop2h 25m

£104

DublinLisbon

DUB - LIS

DUBLIS

Dublin

wo 17/9

21:50-08:30

1 stop10h 40m

Lisbon Humberto Delgado

wo 24/9

22:10-18:15

2 stops20h 05m

£121

DublinFaro

DUB - FAO

DUBFAO

Dublin

ma 25/8

07:35-10:35

Nonstop3h 00m

Faro

za 30/8

22:45-01:40

Nonstop2h 55m

£123

DublinLisbon

DUB - LIS

DUBLIS

Dublin

ma 25/8

19:10-22:00

Nonstop2h 50m

Lisbon Humberto Delgado

ma 1/9

22:30-01:15

Nonstop2h 45m

£123

DublinLisbon

DUB - LIS

DUBLIS

Dublin

za 15/11

04:15-07:10

Nonstop2h 55m

Lisbon Humberto Delgado

vr 21/11

20:25-23:20

Nonstop2h 55m

£126

DublinLisbon

DUB - LIS

DUBLIS

Dublin

do 6/11

13:20-21:30

1 stop8h 10m

Lisbon Humberto Delgado

ma 10/11

22:10-12:40

1 stop14h 30m

£132

DublinPorto

DUB - OPO

DUBOPO

Dublin

vr 10/10

19:55-18:50

1 stop22h 55m

Porto

zo 12/10

08:30-19:05

1 stop10h 35m

£138

DublinPorto

DUB - OPO

DUBOPO

Dublin

vr 12/9

08:10-13:55

1 stop5h 45m

Porto

di 16/9

22:00-09:10

1 stop11h 10m

£139

Flights are sorted by cheapest return flights first.

Deals found on 10/7

Showing 1-10 of 49 results
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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
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, January is the cheapest month in which you can book a flight from Ireland to Portugal (average of £101). Flying from Ireland to Portugal in August is currently the most expensive (average of £274). 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 12 juli 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 28% on flights from Ireland to Portugal by exploring options for tickets in the evening.

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 6 July 2025.

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

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 12 juli 2025.

The most flights from IE0 to PT0 are scheduled on a Friday (11 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

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 12 juli 2025.
Check out reviews from past customers who have flown with Aegean Airlines, KLM, andAustrian Airlines 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.

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

Comfort

7.8

Food

7.4

Overall

8.2

Boarding

7.8

Entertainment

7.0

Crew

8.6

Reviews

1 / 20
10.0
Excellent

Anonymous,Nov 2024

SKG - FRA

I am very proud of them. Everything was very nice everything thank you

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?

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

    £30 is the cheapest one-way deal found within the past few days, from Ryanair. You may also be able to find cheap deals on Vueling and Transavia France, with prices starting from £60 and £61, 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 £101). Flying from Ireland to Portugal in August is currently the most expensive (average of £274). 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.

Top 4 airlines flying from Ireland to Portugal

Discover the top 4 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 12 juli 2025.
AirlineCheapestAverageFlexibilityOn-time
RyanairCheapest£43Average£152FlexibilityNo cancel feeOn-timeN/A
Search Ryanair flights
Aer LingusCheapest£67Average£200FlexibilityNo cancel feeOn-timeN/A
Search Aer Lingus flights
TAP AIR PORTUGALCheapest£82Average£180FlexibilityNo cancel feeOn-timeN/A
Search TAP AIR PORTUGAL flights
KLMCheapest£128Average£188FlexibilityNo cancel feeOn-time75%
Search KLM 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.

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