Ireland

$357+ Cheap flights from Houston to Ireland

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 10/26. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DUB
Jun 21 — Jun 281
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Cheap flight deals from Houston to Ireland

Cheapest flights from Houston to Ireland
Explore the most affordable flight options available from Houston to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 22, 2026.

This KAYAK deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Tue 9/81:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 5/18$430
This KAYAK deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:20 am
IAH
-
DUB
1 stop15h 50m
Aer Lingus
Wed 9/161:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 5/19$441
This KAYAK deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Wed 9/91:20 pm
DUB
-
IAH
1 stop27h 47m
Aer Lingus
Deal found 5/21$449
This KAYAK deal was found by Cheapflights users on 5/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:20 am
IAH
-
DUB
1 stop15h 50m
Aer Lingus
Mon 11/21:00 pm
DUB
-
IAH
1 stop27h 53m
Aer Lingus
Deal found 5/18$475
This KAYAK deal was found by Cheapflights users on 5/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/76:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Sat 9/121:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 5/17$480
This KAYAK deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Wed 9/91:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 5/20$500
This KAYAK deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Mon 9/141:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 5/20$550
This Orbitz deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/210:00 am
IAH
-
DUB
1 stop15h 45m
Air Canada
Wed 9/99:20 am
DUB
-
IAH
1 stop15h 07m
Air Canada
Deal found 5/21$571
This Lufthansa deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/23:35 pm
IAH
-
DUB
1 stop19h 20m
Lufthansa
Wed 9/95:35 pm
DUB
-
IAH
1 stop26h 00m
Lufthansa
Deal found 5/21$606
This KAYAK deal was found by Cheapflights users on 5/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/2812:00 pm
IAH
-
DUB
1 stop12h 15m
Aer Lingus
Wed 11/113:20 pm
DUB
-
IAH
1 stop14h 12m
Aer Lingus
Deal found 5/20$728
This Gotogate deal was found by Cheapflights users on 5/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/83:35 pm
IAH
-
DUB
1 stop19h 15m
Multiple Airlines
Wed 9/169:50 am
DUB
-
IAH
1 stop35h 47m
Multiple Airlines
Deal found 5/19$767
This Delta deal was found by Cheapflights users on 5/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/16:00 am
HOU
-
DUB
1 stop19h 45m
Delta
Wed 11/181:25 pm
DUB
-
HOU
2 stops26h 01m
Delta
Deal found 5/21$798

Find flight deals from Houston to Ireland

Keep the following information in mind while searching for Houston to Ireland flight deals. Data was last updated May 22, 2026.

Round-trip from

$430
(KAYAK)

One-way from

$357
(oojo)

Popular in

December

Cheapest in

April

Average price

$729
From Houston to Ireland
One-way flight from Houston to Ireland
Highest demand for flights based on searches. 8% potential increase in price ($70 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Ireland 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 2,558,603 searches. Data last updated May 22, 2026.
Use the filters below to find and compare flights from Houston to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 9/8

10:19 pm-9:45 am

1 stop29h 26m

Dublin

Wed 9/16

9:50 am-1:32 pm

1 stop33h 42m

$772

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 11/3

7:59 pm-10:20 am

1 stop32h 21m

Dublin

Fri 11/13

9:00 am-9:05 am

1 stop30h 05m

$776

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/1

6:20 pm-8:10 am

1 stop31h 50m

Dublin

Wed 11/18

9:00 am-10:53 am

1 stop31h 53m

$776

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 11/16

1:15 pm-11:45 am

2 stops40h 30m

Dublin

Thu 11/19

12:30 pm-11:58 pm

2 stops41h 28m

$789

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/8

3:25 pm-3:45 pm

2 stops18h 20m

Dublin

Wed 11/18

5:45 am-1:25 pm

1 stop13h 40m

$793

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 9/8

10:05 am-8:45 am

1 stop16h 40m

Dublin

Wed 9/16

5:55 am-9:35 pm

2 stops21h 40m

$802

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Tue 9/1

1:53 pm-10:15 am

1 stop14h 22m

Shannon

Wed 9/16

12:30 pm-10:30 pm

1 stop16h 00m

$803

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Sun 9/6

7:20 am-7:30 am

1 stop18h 10m

Shannon

Thu 9/10

9:30 am-3:40 pm

1 stop12h 10m

$803

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/1

3:25 pm-12:40 pm

2 stops15h 15m

Dublin

Fri 11/13

5:45 am-9:10 pm

2 stops21h 25m

$807

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 9/2

8:25 am-7:20 am

2 stops16h 55m

Dublin

Wed 9/9

9:20 am-8:45 pm

2 stops17h 25m

$807

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/17

Showing 1-10 of 47 resultsSorted by cheapest first
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Best time to book a flight from Houston to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Houston with our price prediction graph.
Estimated round-trip 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 Houston to Ireland

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

Currently, August is the cheapest month in which you can book a flight from Houston to Ireland (average of $101). Flying from Houston to Ireland in May is currently the most expensive (average of $567). 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.

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

To ensure you get the cheapest price possible for a flight from Houston to Ireland, you should look to book at least 54 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.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated May 22, 2026.
Read reviews from past customers who have flown Delta,United Airlines, andAer Lingus from Houston to Ireland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Overall

7.9

Food

7.2

Boarding

8.1

Entertainment

7.8

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from Houston to Ireland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • How long is the flight from Houston to Ireland?

    Departing from Houston to Ireland will take you 12h 45m. Houston and Ireland are separated by a distance of 4560 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Houston to Ireland?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Houston to Ireland 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 Houston to Ireland?

    Currently, August is the cheapest month in which you can book a flight from Houston to Ireland (average of $101). Flying from Houston to Ireland in May is currently the most expensive (average of $567). 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

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Top 10 airlines flying from Houston to Ireland

Discover the top 10 airlines that operate flights from Houston to Ireland. 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 2,558,603 searches. Data last updated May 22, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$363Average$735FlexibilityNo cancel feeOn-time75%
Aer LingusCheapest$398Average$672FlexibilityNo cancel feeOn-timeN/A
British AirwaysCheapest$442Average$744FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$491Average$668FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$541Average$851FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$545Average$893FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$548Average$646FlexibilityNo cancel feeOn-time67%
DeltaCheapest$580Average$747FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$615Average$701FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$629Average$871FlexibilityNo cancel feeOn-time77%

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