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$409+ 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 3/6. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
Jan 17 — Jan 241
Sat 1/17
Sat 1/24
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 December 18, 2025.

This KLM deal was found by Cheapflights users on 12/15. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:55 amDUB - IAH
1 stop13h 35mKLM
Fri 1/163:30 pmIAH - DUB
1 stop24h 40mKLM
Deal found 12/15$905
This Delta deal was found by Cheapflights users on 12/17. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:55 amDUB - IAH
1 stop13h 35mDelta
Fri 1/165:15 amIAH - DUB
2 stops20h 50mDelta
Deal found 12/17$908
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1910:40 amDUB - IAH
1 stop16h 48mUnited Airlines
Sat 1/37:30 amIAH - DUB
1 stop20h 50mUnited Airlines
Deal found 12/15$1,028
This Finnair deal was found by Cheapflights users on 12/15. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1511:30 amDUB - IAH
2 stops14h 39mMultiple Airlines
Sun 12/2812:15 pmIAH - DUB
1 stop12h 55mMultiple Airlines
Deal found 12/15$1,057
This Delta deal was found by Cheapflights users on 12/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/151:25 pmDUB - IAH
2 stops28h 05mDelta
Sun 12/285:20 amIAH - DUB
2 stops20h 45mDelta
Deal found 12/15$1,101
This FlightHub deal was found by Cheapflights users on 12/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/279:00 amDUB - IAH
2 stops42h 39mAir Canada
Fri 1/1612:10 pmIAH - DUB
2 stops37h 00mAir Canada
Deal found 12/15$1,111
This United Airlines deal was found by Cheapflights users on 12/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/1512:05 pmDUB - IAH
2 stops16h 42mUnited Airlines
Sun 12/289:30 amIAH - DUB
1 stop16h 40mUnited Airlines
Deal found 12/15$1,116
This Delta deal was found by Cheapflights users on 12/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/275:55 amDUB - HOU
2 stops23h 16mDelta
Fri 1/165:45 amHOU - DUB
2 stops20h 20mDelta
Deal found 12/16$1,210
This American Airlines deal was found by Cheapflights users on 12/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2712:55 pmDUB - HOU
1 stop12h 49mAmerican Airlines
Fri 1/1612:47 pmHOU - DUB
2 stops13h 53mAmerican Airlines
Deal found 12/16$1,228

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 December 18, 2025.

Round-trip from

$545
(Mytrip)

One-way from

$409
(Kiwi.com)

Popular in

June

Cheapest in

September

Average price

$988
From Ireland to Houston
Search Deals
One-way flight from Ireland to Houston
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($37 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in December 2025
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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 December 18, 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

Sat 1/24

10:40 am-1:40 pm

1 stop33h 00m

Houston George Bush Intcntl

Mon 1/26

12:09 pm-7:30 am

1 stop13h 21m

$632

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 1/23

12:30 pm-11:56 pm

2 stops41h 26m

Houston George Bush Intcntl

Mon 1/26

12:40 pm-11:45 am

2 stops41h 05m

$661

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 1/29

9:45 am-11:34 pm

2 stops19h 49m

Houston George Bush Intcntl

Thu 2/5

12:16 pm-5:35 pm

2 stops23h 19m

$669

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 1/26

6:45 pm-5:29 pm

2 stops52h 44m

Houston George Bush Intcntl

Mon 2/9

6:25 am-4:20 am

1 stop15h 55m

$678

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 1/26

10:40 am-7:10 pm

1 stop38h 30m

Houston George Bush Intcntl

Mon 2/9

9:05 pm-9:40 am

1 stop30h 35m

$686

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 1/25

8:25 am-12:44 pm

2 stops34h 19m

Houston George Bush Intcntl

Fri 2/6

7:27 pm-4:20 am

1 stop26h 53m

$692

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 1/25

4:30 pm-7:10 pm

1 stop32h 40m

Houston George Bush Intcntl

Fri 2/6

9:05 pm-10:10 pm

1 stop19h 05m

$709

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 3/7

4:50 pm-1:10 pm

1 stop26h 20m

Houston George Bush Intcntl

Fri 3/20

10:05 pm-3:30 pm

1 stop36h 25m

$718

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 2/13

11:30 am-11:29 am

2 stops29h 59m

Houston George Bush Intcntl

Sat 2/21

7:05 am-5:15 am

1 stop16h 10m

$725

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sat 2/7

5:55 am-10:33 pm

2 stops22h 38m

Houston Hobby

Sun 2/15

10:50 am-3:45 pm

2 stops22h 55m

$878

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 48 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, May is the cheapest month in which you can book a flight from Ireland to Houston (average of $571). Flying from Ireland to Houston in June is currently the most expensive (average of $809). 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 $878, United Airlines can have you in Houston from Ireland in 22h 38m. 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, May is the cheapest month in which you can book a flight from Ireland to Houston (average of $571). Flying from Ireland to Houston in June is currently the most expensive (average of $809). 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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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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