Ireland

$201+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DUB
Jun 15 — Jun 221
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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 16, 2026.

This Ovago deal was found by Cheapflights users on 5/11. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:20 am
IAH
-
DUB
1 stop15h 50m
Aer Lingus
Tue 10/131:20 pm
DUB
-
IAH
1 stop27h 47m
Aer Lingus
Deal found 5/11$415
This KAYAK deal was found by Cheapflights users on 5/12. 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
Tue 9/151:20 pm
DUB
-
IAH
1 stop27h 47m
Aer Lingus
Deal found 5/12$440
This KAYAK deal was found by Cheapflights users on 5/11. 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.
Sun 7/56:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Wed 7/151:20 pm
DUB
-
IAH
1 stop14h 41m
Aer Lingus
Deal found 5/11$465
This KAYAK deal was found by Cheapflights users on 5/12. 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.
Fri 9/46:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Fri 9/181:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 5/12$472
This KAYAK deal was found by Cheapflights users on 5/13. 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 8/196:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Wed 8/261:20 pm
DUB
-
IAH
1 stop14h 41m
Aer Lingus
Deal found 5/13$477
This KAYAK deal was found by Cheapflights users on 5/11. 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.
Fri 9/46:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Fri 9/111:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 5/11$485
This KAYAK deal was found by Cheapflights users on 5/13. 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 8/56:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Tue 8/111:20 pm
DUB
-
IAH
1 stop27h 30m
Aer Lingus
Deal found 5/13$518
This KAYAK deal was found by Cheapflights users on 5/11. 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.
Fri 7/106:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Wed 7/291:20 pm
DUB
-
IAH
1 stop27h 30m
Aer Lingus
Deal found 5/11$523
This Ovago deal was found by Cheapflights users on 5/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:20 am
IAH
-
DUB
1 stop15h 50m
Aer Lingus
Wed 6/31:20 pm
DUB
-
IAH
1 stop15h 51m
Aer Lingus
Deal found 5/12$527
This BusinessClass deal was found by Cheapflights users on 5/12. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Fri 7/171:20 pm
DUB
-
IAH
1 stop14h 41m
Aer Lingus
Deal found 5/12$529
This KAYAK deal was found by Cheapflights users on 5/12. 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.
Fri 9/46:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Sun 9/131:20 pm
DUB
-
IAH
1 stop27h 47m
Aer Lingus
Deal found 5/12$530
This Ovago deal was found by Cheapflights users on 5/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:20 am
IAH
-
DUB
1 stop15h 50m
Aer Lingus
Tue 5/261:20 pm
DUB
-
IAH
1 stop15h 51m
Aer Lingus
Deal found 5/14$532

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 16, 2026.

Round-trip from

$415
(Ovago)

One-way from

$201
(KAYAK)

Popular in

June

Cheapest in

April

Average price

$729
From Houston to Ireland
One-way flight from Houston to Ireland
Highest demand for flights based on searches. 13% potential increase in price ($124 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($27 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 16, 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

5:04 am-9:45 am

1 stop22h 41m

Dublin

Wed 9/16

9:50 am-3:37 pm

1 stop35h 47m

$772

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/1

9:45 pm-8:10 am

1 stop28h 25m

Dublin

Wed 11/18

9:00 am-11:09 am

1 stop32h 09m

$776

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 9/8

4:30 pm-3:25 pm

2 stops16h 55m

Dublin

Wed 9/16

5:55 am-1:15 pm

1 stop13h 20m

$798
Quickest round-trip

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Mon 9/7

9:30 am-7:30 am

1 stop16h 00m

Shannon

Thu 9/10

12:30 pm-6:54 pm

1 stop12h 24m

$803

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Wed 9/2

6:15 am-7:30 am

1 stop19h 15m

Shannon

Wed 9/9

9:30 am-8:39 pm

1 stop17h 09m

$804

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/1

11:50 am-12:40 pm

2 stops18h 50m

Dublin

Fri 11/13

5:55 am-6:59 pm

2 stops19h 04m

$807

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-12:22 am

2 stops17h 52m

$808

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sat 9/5

10:19 pm-9:45 am

1 stop29h 26m

Dublin

Sat 9/12

9:50 am-3:37 pm

1 stop35h 47m

$822

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 10/5

2:30 pm-4:00 pm

1 stop19h 30m

Dublin

Wed 10/14

5:05 pm-7:15 pm

1 stop32h 10m

$848

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Thu 10/29

10:05 am-8:45 am

2 stops17h 40m

Dublin

Fri 11/6

5:55 am-9:43 pm

2 stops21h 48m

$853

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 60 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

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 44 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 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 July is currently the most expensive (average of $602). 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.

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 16, 2026.
Read reviews from past customers who have flown Delta,KLM, andUnited Airlines 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.

Entertainment

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Entertainment

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Entertainment

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Entertainment

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Entertainment

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.2

Overall

7.9

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

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

Entertainment

7.8

Crew

8.5

Comfort

7.8

Boarding

8.1

Food

7.2

Overall

7.9

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 16h 45m. Houston and Ireland are separated by a distance of 4489 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 July is currently the most expensive (average of $602). 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 16, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$363Average$742FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$442Average$745FlexibilityNo cancel feeOn-time70%
Turkish AirlinesCheapest$491Average$668FlexibilityNo cancel feeOn-time77%
United AirlinesCheapest$541Average$838FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$545Average$875FlexibilityNo cancel feeOn-time71%
Aer LingusCheapest$547Average$879FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$548Average$646FlexibilityNo cancel feeOn-time67%
DeltaCheapest$580Average$747FlexibilityNo cancel feeOn-timeN/A
IberiaCheapest$615Average$721FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$629Average$859FlexibilityNo cancel feeOn-time77%

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