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$339+ Cheap flights from Ireland to Houston

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 11/7. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
1 adult, Economy
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Cheap flight deals from Ireland to Houston

Keep the following information in mind while searching for Ireland to Houston flight deals. Data was last updated September 17, 2025.

Round-trip from

$596
(Trip.com)

One-way from

$339
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$751
From Ireland to Houston
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One-way flight from Ireland to Houston
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Highest demand for flights based on searches. 4% potential increase in price ($41 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($15 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ireland to Houston

Cheapest flights from Ireland to Houston
Explore the most affordable flight options available from Ireland to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2025.

This Trip.com deal was found by Cheapflights users on 9/16. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:50 pmDUB - IAH
1 stop15h 53mWestJet
Thu 10/163:00 pmIAH - DUB
1 stop13h 50mWestJet
Deal found 9/16$596
This Mytrip deal was found by Cheapflights users on 9/15. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/278:20 pmDUB - IAH
3 stops31h 03mMultiple Airlines
Mon 11/105:15 amIAH - DUB
2 stops31h 05mMultiple Airlines
Deal found 9/15$618
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/24:45 pmDUB - IAH
2 stops31h 27mMultiple Airlines
Mon 10/68:35 amIAH - DUB
2 stops17h 50mMultiple Airlines
Deal found 9/16$630
This Kiwi.com deal was found by Cheapflights users on 9/15. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:30 amDUB - IAH
2 stops30h 34mMultiple Airlines
Mon 10/138:00 amIAH - DUB
1 stop20h 50mMultiple Airlines
Deal found 9/15$637
This Mytrip deal was found by Cheapflights users on 9/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:50 pmDUB - IAH
2 stops28h 14mMultiple Airlines
Thu 10/163:00 pmIAH - DUB
1 stop13h 50mMultiple Airlines
Deal found 9/16$670
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:45 amDUB - IAH
2 stops43h 11mMultiple Airlines
Mon 10/208:00 amIAH - DUB
1 stop20h 50mMultiple Airlines
Deal found 9/16$672
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/188:30 amDUB - IAH
2 stops42h 36mMultiple Airlines
Tue 12/911:00 amIAH - DUB
1 stop15h 40mMultiple Airlines
Deal found 9/16$673
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:35 amDUB - IAH
2 stops30h 58mMultiple Airlines
Sat 10/253:00 pmIAH - DUB
1 stop14h 50mMultiple Airlines
Deal found 9/16$680
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:35 amDUB - IAH
2 stops30h 58mMultiple Airlines
Mon 10/208:00 amIAH - DUB
1 stop20h 50mMultiple Airlines
Deal found 9/16$682
This Kiwi.com deal was found by Cheapflights users on 9/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/147:35 amDUB - IAH
2 stops30h 58mMultiple Airlines
Tue 10/213:00 pmIAH - DUB
1 stop13h 50mMultiple Airlines
Deal found 9/16$688
This Billigflug deal was found by Cheapflights users on 9/15. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/812:55 pmDUB - HOU
1 stop13h 25mMultiple Airlines
Sat 11/2210:11 amHOU - DUB
1 stop14h 59mMultiple Airlines
Deal found 9/15$814
This American Airlines deal was found by Cheapflights users on 9/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/3112:55 pmDUB - HOU
1 stop24h 33mAmerican Airlines
Sat 11/812:13 pmHOU - DUB
2 stops15h 37mAmerican Airlines
Deal found 9/17$818

Cheapflights Fare Finder

 
Customize your flight search to find flights from Ireland to Houston 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 September 17, 2025.
Use the filters below to find and compare flights from Ireland to Houston that are best for you.

Fly from

Ireland

Fly to

Houston

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 10/27

8:20 pm-11:37 am

2 stops44h 17m

Houston George Bush Intcntl

Mon 11/10

7:00 am-4:20 am

1 stop15h 20m

$726

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 10/9

1:35 pm-12:40 pm

1 stop29h 05m

Houston George Bush Intcntl

Tue 11/11

9:05 pm-3:30 pm

1 stop36h 25m

$727

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 10/16

1:35 pm-12:40 pm

1 stop29h 05m

Houston George Bush Intcntl

Mon 11/10

9:05 pm-3:30 pm

1 stop36h 25m

$741

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 11/21

10:40 am-1:10 pm

1 stop32h 30m

Houston George Bush Intcntl

Wed 12/3

9:05 pm-10:10 pm

1 stop19h 05m

$748

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 11/6

4:30 pm-7:10 pm

1 stop32h 40m

Houston George Bush Intcntl

Thu 11/13

9:05 pm-9:40 am

1 stop30h 35m

$767

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 11/10

4:30 pm-7:10 pm

1 stop32h 40m

Houston George Bush Intcntl

Mon 11/17

9:05 pm-9:40 am

1 stop30h 35m

$767

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 11/26

4:30 pm-7:10 pm

1 stop32h 40m

Houston George Bush Intcntl

Wed 12/3

2:55 pm-3:30 pm

1 stop18h 35m

$767

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 11/5

10:40 am-7:10 pm

1 stop38h 30m

Houston George Bush Intcntl

Wed 11/12

2:55 pm-3:30 pm

1 stop18h 35m

$767

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 10/27

4:30 pm-8:10 pm

1 stop32h 40m

Houston George Bush Intcntl

Tue 11/4

9:05 pm-10:10 pm

1 stop19h 05m

$767

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sat 11/8

12:55 pm-8:20 pm

1 stop13h 25m

Houston Hobby

Sat 11/22

10:11 am-7:10 am

1 stop14h 59m

$814

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

Showing 1-10 of 50 results
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Best time to book a flight from Ireland to Houston

Have a flexible travel schedule? Discover the best time to fly to Houston from Ireland 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 Ireland to Houston

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

Currently, September is the cheapest month in which you can book a flight from Ireland to Houston (average of $230). Flying from Ireland to Houston in March is currently the most expensive (average of $330). 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 Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated September 17, 2025.
Get a feel of what it's like to fly with American Airlines from Ireland to Houston by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Overall

7.2

Boarding

7.5

Comfort

7.2

Crew

8.0

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Overall

7.2

Boarding

7.5

Comfort

7.2

Crew

8.0

Food

6.4

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

Related info for your journey

Find useful and relevant information for your journey from Ireland to Houston. 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 Ireland to Houston?

    For as low as $818, Turkish Airlines can have you in Houston from Ireland in 13h 25m. The distance from Ireland to Houston is about 4560 mi. This flight may include one or multiple stops.

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

    The most popular flight routes from Ireland to Houston are Dublin - Houston Hobby, Dublin - Houston George Bush Intcntl and Cork - Houston Hobby.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Ireland to Houston (average of $230). Flying from Ireland to Houston in March is currently the most expensive (average of $330). 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 Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ireland to Houston

Discover the top airline that operate flights from Ireland to Houston. 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$686Average$968FlexibilityNo cancel feeOn-time71%

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