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$403+ 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 9/26. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
Jul 31 — Aug 71
Fri 7/31
Fri 8/7
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 July 1, 2026.

This TravelUp deal was found by Cheapflights users on 6/29. 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 8/2010:40 am
DUB
-
IAH
1 stop31h 43m
JetBlue
Sat 9/56:00 pm
IAH
-
DUB
1 stop33h 00m
JetBlue
Deal found 6/29$620
This JetBlue deal was found by Cheapflights users on 6/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/2710:40 am
DUB
-
IAH
1 stop12h 22m
JetBlue
Mon 8/3111:54 am
IAH
-
DUB
1 stop15h 06m
JetBlue
Deal found 6/28$635
This SmartFares deal was found by Cheapflights users on 6/29. 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.
Sat 8/2910:40 am
DUB
-
IAH
1 stop12h 09m
JetBlue
Tue 9/811:50 am
IAH
-
DUB
1 stop15h 10m
JetBlue
Deal found 6/29$649
This SmartFares deal was found by Cheapflights users on 6/29. 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.
Mon 7/1310:40 am
DUB
-
IAH
1 stop13h 01m
JetBlue
Sun 7/266:31 pm
IAH
-
DUB
1 stop31h 49m
JetBlue
Deal found 6/29$655
This SmartFares deal was found by Cheapflights users on 6/30. 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 7/1610:40 am
DUB
-
IAH
1 stop13h 01m
JetBlue
Mon 7/201:14 pm
IAH
-
DUB
1 stop13h 06m
JetBlue
Deal found 6/30$671
This SmartFares deal was found by Cheapflights users on 6/27. 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.
Thu 8/610:40 am
DUB
-
IAH
1 stop12h 22m
JetBlue
Sat 8/221:14 pm
IAH
-
DUB
1 stop13h 06m
JetBlue
Deal found 6/27$673
This Flighttix deal was found by Cheapflights users on 7/1. 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.
Sat 8/1510:40 am
DUB
-
IAH
1 stop12h 09m
JetBlue
Sat 8/226:00 pm
IAH
-
DUB
1 stop33h 00m
JetBlue
Deal found 7/1$677
This KAYAK deal was found by Cheapflights users on 6/30. 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 7/2811:30 am
DUB
-
IAH
1 stop29h 37m
JetBlue
Tue 8/46:31 pm
IAH
-
DUB
1 stop31h 49m
JetBlue
Deal found 6/30$679
This Icelandair deal was found by Cheapflights users on 6/28. 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 Icelandair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:30 am
DUB
-
HOU
2 stops17h 10m
Multiple Airlines
Thu 11/1911:10 am
HOU
-
DUB
2 stops17h 05m
Multiple Airlines
Deal found 6/28$893
This American Airlines deal was found by Cheapflights users on 6/28. 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 11/61:00 pm
DUB
-
HOU
1 stop12h 50m
American Airlines
Thu 11/1910:11 am
HOU
-
DUB
1 stop15h 04m
American Airlines
Deal found 6/28$960
This Delta deal was found by Cheapflights users on 6/28. 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.
Fri 11/65:45 am
DUB
-
HOU
2 stops23h 24m
Delta
Thu 11/196:00 am
HOU
-
DUB
1 stop19h 45m
Delta
Deal found 6/28$961
This American Airlines deal was found by Cheapflights users on 6/26. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/11:00 pm
DUB
-
HOU
1 stop16h 57m
American Airlines
Sat 11/710:11 am
HOU
-
DUB
1 stop15h 04m
American Airlines
Deal found 6/26$966

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 July 1, 2026.

Round-trip from

$620
(TravelUp)

One-way from

$403
(Kiwi.com)

Popular in

September

Cheapest in

November

Average price

$993
From Ireland to Houston
Search Deals
One-way flight from Ireland to Houston
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($86 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 July 1, 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
Quickest round-trip

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 8/27

10:40 am-5:02 pm

1 stop12h 22m

Houston George Bush Intcntl

Mon 8/31

11:54 am-9:00 am

1 stop15h 06m

$635

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 11/17

4:35 pm-7:05 pm

1 stop32h 30m

Houston George Bush Intcntl

Mon 11/23

9:00 pm-9:35 am

1 stop30h 35m

$786

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 10/13

10:40 am-7:15 pm

1 stop38h 35m

Houston George Bush Intcntl

Sun 10/18

9:10 pm-11:05 pm

1 stop19h 55m

$804

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 10/13

10:40 am-6:10 pm

1 stop13h 30m

Houston George Bush Intcntl

Sun 10/18

11:45 am-9:00 am

1 stop15h 15m

$817

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 11/1

5:45 am-2:25 pm

1 stop13h 40m

Houston George Bush Intcntl

Sat 11/7

10:45 am-9:00 am

2 stops16h 15m

$951

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 11/26

9:00 am-6:27 pm

1 stop15h 27m

Houston George Bush Intcntl

Mon 12/28

1:35 pm-10:20 am

2 stops14h 45m

$990

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 11/11

9:30 am-7:06 pm

2 stops15h 36m

Houston George Bush Intcntl

Wed 11/11

9:55 pm-8:10 am

1 stop28h 15m

$1,007

DublinHouston

DUB - HOU

DUBHOU

Dublin

Tue 10/13

8:55 am-10:05 am

2 stops31h 10m

Houston Hobby

Sun 10/18

6:00 am-3:25 pm

2 stops27h 25m

$1,020

DublinHouston

DUB - HOU

DUBHOU

Dublin

Thu 10/8

5:55 am-11:09 pm

2 stops23h 14m

Houston Hobby

Sun 10/18

11:05 am-8:45 am

1 stop15h 40m

$1,024

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sun 11/1

9:55 am-9:43 pm

2 stops17h 48m

Houston Hobby

Sat 11/7

6:00 am-7:45 am

1 stop19h 45m

$1,101

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/30

Showing 1-10 of 44 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, June is the cheapest month in which you can book a flight from Ireland to Houston (average of $588). Flying from Ireland to Houston in August is currently the most expensive (average of $814). 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 $635, JetBlue can have you in Houston from Ireland in 12h 22m. The distance from Ireland to Houston is about 4545 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Ireland to Houston one-way?

    The cheapest airlines for a one-way flight from Ireland to Houston are Aer Lingus ($619), Iberia ($692), and American Airlines ($762).

  • 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 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, June is the cheapest month in which you can book a flight from Ireland to Houston (average of $588). Flying from Ireland to Houston in August is currently the most expensive (average of $814). 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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