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$375+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
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 October 30, 2025.

Round-trip from

$515
(Mytrip)

One-way from

$375
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$825
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. 2% potential increase in price ($24 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 October 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 October 30, 2025.

This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/146:55 pmDUB - IAH
2 stops32h 52mMultiple Airlines
Tue 11/185:14 amIAH - DUB
2 stops23h 31mMultiple Airlines
Deal found 10/29$515
This Mytrip deal was found by Cheapflights users on 10/30. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/37:05 pmDUB - IAH
3 stops35h 03mMultiple Airlines
Mon 12/85:33 amIAH - DUB
2 stops23h 12mMultiple Airlines
Deal found 10/30$566
This SmartFares deal was found by Cheapflights users on 10/28. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/314:30 pmDUB - IAH
1 stop32h 40mTurkish Airlines
Sun 11/169:05 pmIAH - DUB
1 stop19h 05mTurkish Airlines
Deal found 10/28$705
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/118:35 amDUB - IAH
2 stops21h 24mMultiple Airlines
Thu 12/251:35 pmIAH - DUB
2 stops27h 35mMultiple Airlines
Deal found 10/29$712
This Turkish Airlines deal was found by Cheapflights users on 10/28. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/217:20 amDUB - IAH
1 stop35h 50mTurkish Airlines
Wed 12/32:55 pmIAH - DUB
1 stop18h 35mTurkish Airlines
Deal found 10/28$772
This Kiwi.com deal was found by Cheapflights users on 10/29. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/136:15 pmSNN - IAH
2 stops45h 18mMultiple Airlines
Mon 11/175:14 amIAH - SNN
1 stop18h 41mMultiple Airlines
Deal found 10/29$812
This Delta deal was found by Cheapflights users on 10/28. 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.
Thu 12/45:55 amDUB - HOU
2 stops17h 57mDelta
Wed 12/106:00 amHOU - DUB
2 stops20h 45mDelta
Deal found 10/28$816
This Delta deal was found by Cheapflights users on 10/28. 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 11/216:00 amDUB - HOU
2 stops23h 07mDelta
Wed 12/36:00 amHOU - DUB
1 stop19h 45mDelta
Deal found 10/28$821
This KLM deal was found by Cheapflights users on 10/28. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/219:45 amDUB - HOU
1 stop14h 08mKLM
Wed 12/32:32 pmHOU - DUB
1 stop11h 13mKLM
Deal found 10/28$825
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:35 pmORK - IAH
1 stop26h 30mMultiple Airlines
Mon 1/123:50 pmIAH - ORK
1 stop13h 20mMultiple Airlines
Deal found 10/28$846
This Delta deal was found by Cheapflights users on 10/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/141:25 pmDUB - HOU
2 stops26h 20mDelta
Tue 11/182:32 pmHOU - DUB
2 stops19h 13mDelta
Deal found 10/29$849
This Gotogate deal was found by Cheapflights users on 10/28. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/225:30 pmSNN - IAH
1 stop26h 35mMultiple Airlines
Mon 1/123:50 pmIAH - SNN
1 stop13h 40mMultiple Airlines
Deal found 10/28$864

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 October 30, 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

Fri 11/14

6:55 pm-9:47 pm

2 stops32h 52m

Houston George Bush Intcntl

Tue 11/18

5:45 am-10:45 am

3 stops23h 00m

$538

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 12/3

7:05 pm-12:08 am

3 stops35h 03m

Houston George Bush Intcntl

Mon 12/8

5:33 am-10:45 am

2 stops23h 12m

$566

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 2/13

6:55 pm-9:53 pm

2 stops32h 58m

Houston George Bush Intcntl

Sat 2/21

6:00 am-11:20 am

2 stops23h 20m

$627

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 12/11

8:35 am-11:59 pm

2 stops21h 24m

Houston George Bush Intcntl

Thu 12/25

1:35 pm-11:10 pm

2 stops27h 35m

$712

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 1/12

7:50 am-11:13 pm

2 stops21h 23m

Houston George Bush Intcntl

Thu 1/15

1:35 pm-11:05 pm

2 stops27h 30m

$721

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 2/20

7:20 am-7:10 pm

1 stop41h 50m

Houston George Bush Intcntl

Tue 2/24

9:05 pm-10:10 pm

1 stop19h 05m

$768

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 3/7

4:50 pm-1:10 pm

1 stop26h 20m

Houston George Bush Intcntl

Tue 3/17

10:05 pm-10:10 pm

1 stop19h 05m

$769

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 3/9

4:30 pm-8:10 pm

1 stop32h 40m

Houston George Bush Intcntl

Sat 3/14

10:05 pm-3:20 pm

1 stop36h 15m

$769

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 3/7

10:40 am-7:10 pm

1 stop38h 30m

Houston George Bush Intcntl

Thu 3/19

10:05 pm-9:40 am

1 stop30h 35m

$769

ShannonHouston

SNN - IAH

SNNIAH

Shannon

Thu 11/13

6:15 pm-9:33 am

2 stops45h 18m

Houston George Bush Intcntl

Mon 11/17

5:14 am-5:55 am

1 stop18h 41m

$812

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

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, May is the cheapest month in which you can book a flight from Ireland to Houston (average of $586). Flying from Ireland to Houston in June is currently the most expensive (average of $804). 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 $962, Delta can have you in Houston from Ireland in 24h. 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 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 $586). Flying from Ireland to Houston in June is currently the most expensive (average of $804). 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

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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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