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$366+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
May 26 — Jun 21
Tue 5/26
Tue 6/2
1 adult, Economy
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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 April 26, 2026.

This Justfly.com deal was found by Cheapflights users on 4/25. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/1310:40 am
DUB
-
IAH
1 stop31h 25m
JetBlue
Sun 10/185:15 pm
IAH
-
DUB
1 stop33h 45m
JetBlue
Deal found 4/25$715
This Expedia deal was found by Cheapflights users on 4/22. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/310:40 am
DUB
-
IAH
1 stop32h 46m
JetBlue
Tue 6/911:56 am
IAH
-
DUB
1 stop15h 04m
JetBlue
Deal found 4/22$724
This TravelUp deal was found by Cheapflights users on 4/25. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:40 am
DUB
-
IAH
1 stop31h 52m
JetBlue
Sat 9/125:15 pm
IAH
-
DUB
1 stop33h 45m
JetBlue
Deal found 4/25$735
This TravelUp deal was found by Cheapflights users on 4/23. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2111:30 am
DUB
-
IAH
1 stop35h 14m
JetBlue
Thu 5/285:44 pm
IAH
-
DUB
1 stop33h 16m
JetBlue
Deal found 4/23$749
This oojo deal was found by Cheapflights users on 4/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:40 am
DUB
-
IAH
1 stop38h 30m
Turkish Airlines
Mon 11/239:05 pm
IAH
-
DUB
1 stop36h 15m
Turkish Airlines
Deal found 4/26$765
This Mytrip deal was found by Cheapflights users on 4/22. 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.
Thu 5/286:25 am
DUB
-
IAH
2 stops31h 08m
Multiple Airlines
Sat 6/136:50 am
IAH
-
DUB
2 stops22h 15m
Multiple Airlines
Deal found 4/22$778
This Iberia deal was found by Cheapflights users on 4/24. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/812:40 pm
DUB
-
HOU
1 stop13h 11m
Iberia
Mon 6/1512:50 pm
HOU
-
DUB
1 stop14h 55m
Iberia
Deal found 4/24$954
This Flighttix deal was found by Cheapflights users on 4/23. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2112:40 pm
DUB
-
HOU
1 stop13h 11m
British Airways
Thu 5/289:30 am
HOU
-
DUB
1 stop18h 15m
British Airways
Deal found 4/23$955
This Iberia deal was found by Cheapflights users on 4/22. 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.
Wed 6/312:40 pm
DUB
-
HOU
1 stop17h 19m
Iberia
Tue 6/912:50 pm
HOU
-
DUB
1 stop14h 55m
Iberia
Deal found 4/22$959
This BusinessClass deal was found by Cheapflights users on 4/22. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/912:40 pm
DUB
-
HOU
1 stop13h 11m
British Airways
Thu 6/2512:50 pm
HOU
-
DUB
1 stop14h 55m
British Airways
Deal found 4/22$971
This flugladen.de deal was found by Cheapflights users on 4/24. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/2812:40 pm
DUB
-
HOU
1 stop17h 19m
Iberia
Sat 6/136:39 pm
HOU
-
DUB
1 stop33h 06m
Iberia
Deal found 4/24$975
This Flighttix deal was found by Cheapflights users on 4/24. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/912:40 pm
DUB
-
HOU
1 stop26h 17m
Multiple Airlines
Tue 6/169:30 am
HOU
-
DUB
1 stop18h 15m
Multiple Airlines
Deal found 4/24$976

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 April 26, 2026.

Round-trip from

$715
(Justfly.com)

One-way from

$366
(Justfly.com)

Popular in

August

Cheapest in

November

Average price

$1,021
From Ireland to Houston
Search Deals
One-way flight from Ireland to Houston
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($58 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 0% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals

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 April 26, 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

Wed 9/9

5:05 pm-7:10 pm

1 stop32h 05m

Houston George Bush Intcntl

Thu 9/17

9:05 pm-11:05 pm

1 stop20h 00m

$814

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 9/21

5:55 am-7:10 pm

1 stop19h 15m

Houston George Bush Intcntl

Mon 9/28

2:30 pm-4:00 pm

1 stop19h 30m

$814

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 9/23

10:40 am-7:10 pm

1 stop38h 30m

Houston George Bush Intcntl

Fri 10/2

2:30 pm-3:40 pm

1 stop19h 10m

$826

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 9/20

5:45 am-7:10 pm

1 stop19h 25m

Houston George Bush Intcntl

Sat 9/26

9:05 pm-11:05 pm

1 stop20h 00m

$837

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 10/4

5:45 am-7:10 pm

1 stop19h 25m

Houston George Bush Intcntl

Sun 10/11

9:05 pm-11:05 pm

1 stop20h 00m

$837

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 5/28

7:55 am-11:42 am

2 stops33h 47m

Houston George Bush Intcntl

Sat 6/13

6:30 am-10:50 am

1 stop22h 20m

$838

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 5/21

7:50 pm-11:52 pm

3 stops34h 02m

Houston George Bush Intcntl

Thu 5/28

6:50 am-7:05 pm

2 stops30h 15m

$845

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

$873

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 5/28

9:30 am-11:52 pm

1 stop20h 22m

Houston George Bush Intcntl

Sat 6/13

2:04 pm-9:45 am

1 stop13h 41m

$911

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 5/28

3:30 pm-1:20 pm

1 stop27h 50m

Houston George Bush Intcntl

Sat 6/13

3:25 pm-9:40 am

1 stop12h 15m

$934

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 45 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, November is the cheapest month in which you can book a flight from Ireland to Houston (average of $657). Flying from Ireland to Houston in August is currently the most expensive (average of $832). 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 $1,056, Turkish Airlines can have you in Houston from Ireland in 12h 08m. The distance from Ireland to Houston is about 4454 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 Shannon - Houston George Bush Intcntl.

  • 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, November is the cheapest month in which you can book a flight from Ireland to Houston (average of $657). Flying from Ireland to Houston in August is currently the most expensive (average of $832). 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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