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$285+ 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 4/20. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
Mar 8 — Mar 151
Sun 3/8
Sun 3/15
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 February 6, 2026.

This Mytrip deal was found by Cheapflights users on 2/5. 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.
Mon 2/238:20 pm
DUB
-
IAH
3 stops33h 39m
Multiple Airlines
Mon 3/99:40 pm
IAH
-
DUB
3 stops32h 05m
Multiple Airlines
Deal found 2/5$629
This Kiwi.com deal was found by Cheapflights users on 2/2. 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 2/221:20 pm
DUB
-
IAH
1 stop16h 39m
Multiple Airlines
Sun 3/19:35 am
IAH
-
DUB
1 stop17h 40m
Multiple Airlines
Deal found 2/2$646
This Booking.com deal was found by Cheapflights users on 2/2. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 3/41:15 pm
DUB
-
IAH
2 stops15h 54m
Multiple Airlines
Mon 3/165:45 am
IAH
-
DUB
2 stops18h 30m
Multiple Airlines
Deal found 2/2$670
This SmartFares deal was found by Cheapflights users on 2/5. 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 3/24:30 pm
DUB
-
IAH
1 stop32h 40m
Turkish Airlines
Mon 3/1610:05 pm
IAH
-
DUB
1 stop30h 35m
Turkish Airlines
Deal found 2/5$692
This SmartFares deal was found by Cheapflights users on 2/3. 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 3/54:30 pm
DUB
-
IAH
1 stop32h 40m
Turkish Airlines
Sun 3/1510:05 pm
IAH
-
DUB
1 stop19h 05m
Turkish Airlines
Deal found 2/3$707
This Kiwi.com deal was found by Cheapflights users on 2/4. 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.
Wed 2/1110:40 am
DUB
-
IAH
1 stop38h 30m
Turkish Airlines
Tue 2/179:05 pm
IAH
-
DUB
1 stop19h 05m
Turkish Airlines
Deal found 2/4$726
This Kiwi.com deal was found by Cheapflights users on 2/5. 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.
Mon 2/234:30 pm
DUB
-
IAH
1 stop32h 40m
Turkish Airlines
Mon 3/910:05 pm
IAH
-
DUB
1 stop36h 15m
Turkish Airlines
Deal found 2/5$727
This SmartFares deal was found by Cheapflights users on 2/5. 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.
Tue 9/85:05 pm
DUB
-
IAH
1 stop32h 05m
Turkish Airlines
Thu 9/179:05 pm
IAH
-
DUB
1 stop30h 30m
Turkish Airlines
Deal found 2/5$731
This Kiwi.com deal was found by Cheapflights users on 2/2. 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.
Wed 3/410:40 am
DUB
-
IAH
1 stop38h 30m
Turkish Airlines
Sun 3/153:55 pm
IAH
-
DUB
1 stop18h 25m
Turkish Airlines
Deal found 2/2$737
This Delta deal was found by Cheapflights users on 2/4. 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 2/128:50 am
DUB
-
HOU
2 stops31h 11m
Delta
Wed 2/2510:50 am
HOU
-
DUB
2 stops15h 10m
Delta
Deal found 2/4$825
This Delta deal was found by Cheapflights users on 2/3. 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 2/191:25 pm
DUB
-
HOU
2 stops28h 55m
Delta
Mon 2/235:19 pm
HOU
-
DUB
2 stops16h 26m
Delta
Deal found 2/3$827
This Delta deal was found by Cheapflights users on 2/5. 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 2/231:25 pm
DUB
-
HOU
2 stops26h 36m
Delta
Mon 3/96:00 am
HOU
-
DUB
2 stops21h 45m
Delta
Deal found 2/5$829

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 February 6, 2026.

Round-trip from

$629
(Mytrip)

One-way from

$285
(Kiwi.com)

Popular in

April

Cheapest in

September

Average price

$830
From Ireland to Houston
Search Deals
One-way flight from Ireland to Houston
Search Deals
Highest demand for flights based on searches. 0% potential increase in price ($7 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 6, 2026.
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

Mon 2/23

8:20 pm-11:59 pm

3 stops33h 39m

Houston George Bush Intcntl

Mon 3/9

9:40 pm-10:45 am

3 stops32h 05m

$629

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 3/2

4:30 pm-7:10 pm

1 stop32h 40m

Houston George Bush Intcntl

Mon 3/16

10:05 pm-9:40 am

1 stop30h 35m

$692

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 3/4

10:40 am-7:10 pm

1 stop38h 30m

Houston George Bush Intcntl

Mon 3/16

10:05 pm-9:40 am

1 stop30h 35m

$726

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 3/4

10:40 am-7:10 pm

1 stop38h 30m

Houston George Bush Intcntl

Sun 3/15

3:55 pm-3:20 pm

1 stop18h 25m

$737

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 2/23

4:30 pm-7:10 pm

1 stop32h 40m

Houston George Bush Intcntl

Mon 3/9

10:05 pm-3:20 pm

1 stop36h 15m

$742

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 3/1

10:40 am-7:10 pm

1 stop38h 30m

Houston George Bush Intcntl

Wed 3/11

10:05 pm-9:40 am

1 stop30h 35m

$743

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

$771

DublinHouston

DUB - HOU

DUBHOU

Dublin

Thu 2/19

1:25 pm-12:20 pm

2 stops28h 55m

Houston Hobby

Mon 2/23

5:19 pm-3:45 pm

2 stops16h 26m

$827

DublinHouston

DUB - HOU

DUBHOU

Dublin

Mon 2/23

1:25 pm-10:01 am

2 stops26h 36m

Houston Hobby

Mon 3/9

6:00 am-8:45 am

2 stops21h 45m

$828

CorkHouston

ORK - IAH

ORKIAH

Cork

Thu 2/19

1:25 pm-1:30 pm

1 stop30h 05m

Houston George Bush Intcntl

Mon 2/23

3:30 pm-4:45 pm

1 stop19h 15m

$829

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/5

Showing 1-10 of 42 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 $561). Flying from Ireland to Houston in June is currently the most expensive (average of $853). 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 $827, Turkish Airlines can have you in Houston from Ireland in 28h 55m. 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 $561). Flying from Ireland to Houston in June is currently the most expensive (average of $853). 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.
Frankfurt to Dallas/Fort Worth flights
Charles de Gaulle to Dallas/Fort Worth flights
Heathrow to Dallas/Fort Worth flights
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Gatwick to George Bush Intcntl flights
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Istanbul to George Bush Intcntl flights
Amsterdam to Hobby flights
London City to George Bush Intcntl flights
Dublin to Dallas/Fort Worth flights
Madrid to Love Field flights
Vienna to Love Field flights
Amsterdam to Dallas/Fort Worth flights
Amsterdam to George Bush Intcntl flights
Stansted to Hobby flights
Munich to Hobby flights
Leonardo da Vinci/Fiumicino to Dallas/Fort Worth flights
Madrid to George Bush Intcntl flights
Munich to Dallas/Fort Worth flights
Bruxelles-National to Dallas/Fort Worth flights
Frederic Chopin to Hobby flights
Charles de Gaulle to Austin flights
Munich to George Bush Intcntl flights
Leonardo da Vinci/Fiumicino to Hobby flights
Frankfurt to Austin flights
Bruxelles-National to Hobby flights
Manchester to Hobby flights
Gatwick to Austin flights
Duesseldorf Intl to Love Field flights
Orly to Hobby flights

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