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$374+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
May 4 — May 111
Sun 5/4
Sun 5/11
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 April 29, 2025.

Round-trip from

$635
(Mytrip)

One-way from

$374
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$1,050
From Ireland to Houston
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One-way flight from Ireland to Houston
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($57 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($19 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Mytrip deal was found by Cheapflights users on 4/29. 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 5/167:05 pmDUB - IAH
3 stops35h 02mMultiple Airlines
Thu 5/296:23 amIAH - DUB
2 stops22h 32mMultiple Airlines
Deal found 4/29$593
This Bravofly deal was found by Cheapflights users on 4/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/167:05 pmDUB - IAH
2 stops34h 54mScandinavian Airlines
Thu 5/292:44 pmIAH - DUB
2 stops36h 41mScandinavian Airlines
Deal found 4/29$706
This Gotogate deal was found by Cheapflights users on 4/29. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/151:35 pmDUB - IAH
1 stop35h 30mTurkish Airlines
Mon 5/192:25 pmIAH - DUB
1 stop37h 10mTurkish Airlines
Deal found 4/29$716
This JetBlue deal was found by Cheapflights users on 4/29. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:30 amDUB - IAH
1 stop30h 41mJetBlue
Wed 5/286:58 pmIAH - DUB
1 stop32h 02mJetBlue
Deal found 4/29$721
This United Airlines deal was found by Cheapflights users on 4/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/149:20 amDUB - IAH
1 stop15h 30mUnited Airlines
Sun 5/2511:55 amIAH - DUB
1 stop15h 50mUnited Airlines
Deal found 4/29$784
This KLM deal was found by Cheapflights users on 4/29. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/205:55 amDUB - IAH
1 stop13h 20mKLM
Tue 5/273:30 pmIAH - DUB
1 stop15h 05mKLM
Deal found 4/29$798
This Delta deal was found by Cheapflights users on 4/29. 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.
Mon 5/125:55 amDUB - IAH
1 stop13h 20mDelta
Wed 5/2812:39 pmIAH - DUB
2 stops17h 56mDelta
Deal found 4/29$799
This Delta deal was found by Cheapflights users on 4/28. 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.
Tue 5/138:55 amDUB - HOU
2 stops18h 22mDelta
Sun 5/256:00 amHOU - DUB
2 stops19h 55mDelta
Deal found 4/28$802
This Air Canada deal was found by Cheapflights users on 4/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/69:50 amDUB - IAH
1 stop31h 24mAir Canada
Tue 5/1310:00 amIAH - DUB
2 stops16h 15mAir Canada
Deal found 4/29$808
This Iberia deal was found by Cheapflights users on 4/29. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/129:15 amDUB - IAH
2 stops20h 27mIberia
Wed 5/2810:04 amIAH - DUB
1 stop13h 26mIberia
Deal found 4/29$818
This SWISS deal was found by Cheapflights users on 4/29. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/126:40 pmDUB - IAH
2 stops31h 31mSWISS
Wed 5/284:20 pmIAH - DUB
2 stops33h 30mSWISS
Deal found 4/29$858
This Air France deal was found by Cheapflights users on 4/29. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/1211:00 amDUB - HOU
1 stop12h 57mMultiple Airlines
Wed 5/282:45 pmHOU - DUB
1 stop12h 00mMultiple Airlines
Deal found 4/29$894

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 29, 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 5/16

7:05 pm-12:07 am

3 stops35h 02m

Houston George Bush Intcntl

Thu 5/29

6:23 am-10:55 am

2 stops22h 32m

$593

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 5/16

7:05 pm-11:59 pm

2 stops34h 54m

Houston George Bush Intcntl

Thu 5/29

2:44 pm-9:25 am

2 stops36h 41m

$706

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 5/15

1:35 pm-7:05 pm

1 stop35h 30m

Houston George Bush Intcntl

Mon 5/19

2:25 pm-9:35 am

1 stop37h 10m

$716

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 5/12

11:30 am-12:11 pm

1 stop30h 41m

Houston George Bush Intcntl

Wed 5/28

6:58 pm-9:00 am

1 stop32h 02m

$721

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 5/14

9:20 am-6:50 pm

1 stop15h 30m

Houston George Bush Intcntl

Sun 5/25

11:55 am-9:45 am

1 stop15h 50m

$784

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 5/16

5:55 am-1:15 pm

1 stop13h 20m

Houston George Bush Intcntl

Thu 5/29

12:39 pm-3:00 pm

2 stops20h 21m

$794

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 5/20

5:55 am-1:15 pm

1 stop13h 20m

Houston George Bush Intcntl

Tue 5/27

3:30 pm-12:35 pm

1 stop15h 05m

$798

DublinHouston

DUB - HOU

DUBHOU

Dublin

Tue 5/13

8:55 am-9:17 pm

2 stops18h 22m

Houston Hobby

Sun 5/25

6:00 am-7:55 am

2 stops19h 55m

$802

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 5/12

9:15 am-11:42 pm

2 stops20h 27m

Houston George Bush Intcntl

Wed 5/28

10:04 am-5:30 am

1 stop13h 26m

$818

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 5/12

6:40 pm-8:11 pm

2 stops31h 31m

Houston George Bush Intcntl

Wed 5/28

4:20 pm-7:50 am

2 stops33h 30m

$858

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 28 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, September is the cheapest month in which you can book a flight from Ireland to Houston (average of $230). Flying from Ireland to Houston in March is currently the most expensive (average of $332). 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.

What is the cheapest time of day to fly from IE to HOU?

Find hourly flight availability from Ireland to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 29, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Houston as you normally would.

Rainfall in Houston by month

Plan your trip to Houston by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

Plan your trip to Houston by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Houston, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Houston. Reviews last updated April 29, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair from Ireland to Houston by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,929 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,334 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Finnair
7.6
Good
1,275 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Austrian Airlines
7.6
Good
780 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,588 reviews
Delta
8.0
Very good
7,929 reviews

Food

7.3

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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.

  • 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 JetBlue ($612), WestJet ($635), and Iberia ($858).

  • 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, September is the cheapest month in which you can book a flight from Ireland to Houston (average of $230). Flying from Ireland to Houston in March is currently the most expensive (average of $332). 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.
Charles de Gaulle to Dallas/Fort Worth flights
Heathrow to Dallas/Fort Worth flights
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Top 2 airlines flying from Ireland to Houston

Discover the top 2 airlines that operate flights from Ireland to Houston. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$686Average$968FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$787Average$972FlexibilityNo cancel feeOn-time69%

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