Houston

$362+ 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
Apr 26 — May 31
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Cheap 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 March 27, 2026.

This Expedia deal was found by Cheapflights users on 3/24. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/2210:40 am
DUB
-
IAH
1 stop31h 27m
JetBlue
Wed 4/2912:34 pm
IAH
-
DUB
1 stop13h 46m
JetBlue
Deal found 3/24$683
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/910:40 am
DUB
-
IAH
1 stop31h 12m
JetBlue
Sat 5/1612:44 pm
IAH
-
DUB
1 stop13h 36m
JetBlue
Deal found 3/25$697
This SmartFares deal was found by Cheapflights users on 3/25. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/95:45 am
DUB
-
IAH
1 stop19h 25m
Turkish Airlines
Wed 4/229:05 pm
IAH
-
DUB
1 stop20h 00m
Turkish Airlines
Deal found 3/25$708
This SmartFares deal was found by Cheapflights users on 3/27. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/125:45 am
DUB
-
IAH
1 stop37h 00m
Turkish Airlines
Mon 4/272:30 pm
IAH
-
DUB
1 stop19h 30m
Turkish Airlines
Deal found 3/27$710
This Expedia deal was found by Cheapflights users on 3/25. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/2810:40 am
DUB
-
IAH
1 stop30h 54m
JetBlue
Tue 5/512:44 pm
IAH
-
DUB
1 stop13h 36m
JetBlue
Deal found 3/25$736
This oojo deal was found by Cheapflights users on 3/25. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/135:35 am
DUB
-
IAH
1 stop19h 35m
Turkish Airlines
Sun 10/189:05 pm
IAH
-
DUB
1 stop20h 00m
Turkish Airlines
Deal found 3/25$737
This Expedia deal was found by Cheapflights users on 3/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/410:40 am
DUB
-
IAH
1 stop31h 13m
JetBlue
Sat 5/912:44 pm
IAH
-
DUB
1 stop13h 36m
JetBlue
Deal found 3/27$742
This oojo deal was found by Cheapflights users on 3/22. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/195:45 am
DUB
-
IAH
1 stop37h 00m
Turkish Airlines
Sun 4/269:05 pm
IAH
-
DUB
1 stop36h 55m
Turkish Airlines
Deal found 3/22$744
This oojo deal was found by Cheapflights users on 3/23. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/135:05 pm
DUB
-
IAH
1 stop32h 05m
Turkish Airlines
Wed 4/229:05 pm
IAH
-
DUB
1 stop20h 00m
Turkish Airlines
Deal found 3/23$750
This Mytrip deal was found by Cheapflights users on 3/22. 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.
Sun 4/1911:50 am
SNN
-
IAH
3 stops26h 33m
Multiple Airlines
Sun 4/261:58 pm
IAH
-
SNN
2 stops20h 37m
Multiple Airlines
Deal found 3/22$935
This Iberia deal was found by Cheapflights users on 3/22. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/199:30 am
DUB
-
HOU
1 stop16h 21m
Iberia
Sun 4/2612:42 pm
HOU
-
DUB
1 stop15h 03m
Iberia
Deal found 3/22$940
This Kiwi.com deal was found by Cheapflights users on 3/26. 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.
Sun 5/1012:40 pm
DUB
-
HOU
1 stop13h 11m
Iberia
Sun 5/174:19 pm
HOU
-
DUB
1 stop11h 26m
Iberia
Deal found 3/26$941

Find flight deals from Ireland to Houston

Keep the following information in mind while searching for Ireland to Houston flight deals. Data was last updated March 27, 2026.

Round-trip from

$683
(Expedia)

One-way from

$362
(Priceline)

Popular in

July

Cheapest in

September

Average price

$972
From Ireland to Houston
One-way flight from Ireland to Houston
Highest demand for flights based on searches. 9% potential increase in price ($94 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in March 2026

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 March 27, 2026.
Use the filters below to find and compare flights from Ireland to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 4/19

7:25 am-12:45 pm

2 stops35h 20m

Houston George Bush Intcntl

Sun 4/26

6:05 am-6:10 pm

3 stops30h 05m

$822

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 5/16

11:35 am-8:29 am

1 stop26h 54m

Houston George Bush Intcntl

Sun 5/17

12:12 pm-7:20 am

1 stop13h 08m

$834

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sun 4/19

9:30 am-7:51 pm

1 stop16h 21m

Houston Hobby

Sun 4/26

12:42 pm-9:45 am

1 stop15h 03m

$940

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Sun 4/19

7:30 am-12:45 pm

2 stops35h 15m

Houston George Bush Intcntl

Sun 4/26

7:00 am-4:35 pm

2 stops27h 35m

$943
Quickest round-trip

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sat 5/9

12:40 pm-7:51 pm

1 stop13h 11m

Houston Hobby

Sat 5/16

4:19 pm-9:45 am

1 stop11h 26m

$966

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Sun 4/19

9:15 pm-1:20 pm

1 stop22h 05m

Houston George Bush Intcntl

Sun 4/26

3:25 pm-8:35 pm

1 stop23h 10m

$975

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 4/9

1:00 pm-11:59 pm

2 stops16h 59m

Houston George Bush Intcntl

Wed 4/22

3:25 pm-9:40 am

1 stop12h 15m

$978

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 5/9

6:00 pm-7:19 pm

2 stops31h 19m

Houston George Bush Intcntl

Sat 5/16

4:59 pm-11:50 am

1 stop12h 51m

$979

ShannonHouston

SNN - HOU

SNNHOU

Shannon

Sun 4/19

7:30 am-11:47 pm

2 stops22h 17m

Houston Hobby

Sun 4/26

12:42 pm-11:20 am

2 stops16h 38m

$980

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Wed 4/22

7:30 am-7:10 pm

1 stop17h 40m

Houston George Bush Intcntl

Wed 4/29

4:59 pm-4:10 pm

2 stops17h 11m

$980

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/23

Showing 1-10 of 55 resultsSorted by cheapest first
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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, May is the cheapest month in which you can book a flight from Ireland to Houston (average of $672). Flying from Ireland to Houston in December is currently the most expensive (average of $808). 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.

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 $940, United Airlines can have you in Houston from Ireland in 16h 21m. 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?

  • 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, May is the cheapest month in which you can book a flight from Ireland to Houston (average of $672). Flying from Ireland to Houston in December is currently the most expensive (average of $808). 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

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