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$432+ 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 7/8. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
เม.ย. 6 — เม.ย. 131
อา. 4/6
อา. 4/13
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 เมษายน 1, 2025.

Round-trip from

$554
(Mytrip)

One-way from

$432
(Kiwi.com)

Popular in

March

Cheapest in

January

Average price

$760
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. 0% potential increase in price ($3 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 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 เมษายน 1, 2025.

This Mytrip deal was found by Cheapflights users on 3/31. 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.
ศ. 5/27:05 pmDUB - IAH
3 stops35h 47mMultiple Airlines
ศ. 5/96:23 amIAH - DUB
2 stops30h 52mMultiple Airlines
Deal found 3/31$554
This Kiwi.com deal was found by Cheapflights users on 4/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อา. 5/412:50 pmDUB - IAH
1 stop31h 21mWestJet
จ. 5/198:00 amIAH - DUB
1 stop20h 50mWestJet
Deal found 4/1$592
This Mytrip deal was found by Cheapflights users on 4/1. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อ. 4/298:05 amORK - IAH
2 stops30h 40mMultiple Airlines
อ. 5/66:30 amIAH - ORK
2 stops25h 30mMultiple Airlines
Deal found 4/1$653
This SmartFares deal was found by Cheapflights users on 3/31. 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.
อา. 5/41:35 pmDUB - IAH
1 stop29h 05mTurkish Airlines
จ. 5/199:00 pmIAH - DUB
1 stop30h 35mTurkish Airlines
Deal found 3/31$687
This JetBlue deal was found by Cheapflights users on 4/1. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อ. 4/2910:40 amDUB - IAH
1 stop13h 33mJetBlue
อ. 5/611:51 amIAH - DUB
1 stop15h 09mJetBlue
Deal found 4/1$690
This TravelUp deal was found by Cheapflights users on 3/30. 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 TravelUp is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ศ. 5/211:00 amDUB - HOU
1 stop18h 08mKLM
ศ. 5/912:52 pmHOU - DUB
1 stop13h 53mKLM
Deal found 3/30$746
This Gotogate deal was found by Cheapflights users on 4/1. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อา. 4/2010:30 amDUB - IAH
1 stop14h 45mBritish Airways
ส. 5/33:25 pmIAH - DUB
1 stop14h 30mBritish Airways
Deal found 4/1$753
This KLM deal was found by Cheapflights users on 4/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อ. 4/296:00 amORK - IAH
1 stop13h 15mKLM
อ. 5/63:50 pmIAH - ORK
1 stop16h 50mKLM
Deal found 4/1$759
This Delta deal was found by Cheapflights users on 3/31. 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.
อ. 4/85:55 amDUB - IAH
1 stop13h 20mDelta
อ. 4/226:00 amIAH - DUB
2 stops20h 15mDelta
Deal found 3/31$760
This KLM deal was found by Cheapflights users on 4/1. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อ. 5/135:55 amDUB - IAH
1 stop13h 20mKLM
อา. 5/252:30 pmIAH - DUB
1 stop11h 15mKLM
Deal found 4/1$762
This Billigflug deal was found by Cheapflights users on 3/30. 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 Billigflug is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ศ. 5/212:40 pmDUB - HOU
1 stop13h 01mMultiple Airlines
ศ. 5/95:00 amHOU - DUB
1 stop22h 45mMultiple Airlines
Deal found 3/30$762
This Delta deal was found by Cheapflights users on 4/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
อ. 4/295:55 amDUB - HOU
2 stops17h 53mDelta
อ. 5/610:41 amHOU - DUB
2 stops22h 19mDelta
Deal found 4/1$765

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 เมษายน 1, 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

ศ. 5/2

7:05 pm-12:52 am

3 stops35h 47m

Houston George Bush Intcntl

ศ. 5/9

6:23 am-7:15 pm

2 stops30h 52m

$554

DublinHouston

DUB - IAH

DUBIAH

Dublin

อา. 5/4

12:50 pm-2:11 pm

1 stop31h 21m

Houston George Bush Intcntl

จ. 5/19

8:00 am-10:50 am

1 stop20h 50m

$592

CorkHouston

ORK - IAH

ORKIAH

Cork

อ. 4/29

8:05 am-8:45 am

2 stops30h 40m

Houston George Bush Intcntl

อ. 5/6

6:30 am-2:00 pm

2 stops25h 30m

$653

DublinHouston

DUB - IAH

DUBIAH

Dublin

อา. 5/4

1:35 pm-12:40 pm

1 stop29h 05m

Houston George Bush Intcntl

จ. 5/19

9:00 pm-9:35 am

1 stop30h 35m

$687

DublinHouston

DUB - IAH

DUBIAH

Dublin

อ. 4/29

10:40 am-6:13 pm

1 stop13h 33m

Houston George Bush Intcntl

อ. 5/6

11:51 am-9:00 am

1 stop15h 09m

$690

DublinHouston

DUB - HOU

DUBHOU

Dublin

ศ. 5/2

11:00 am-11:08 pm

1 stop18h 08m

Houston Hobby

ศ. 5/9

12:52 pm-8:45 am

1 stop13h 53m

$746

DublinHouston

DUB - IAH

DUBIAH

Dublin

อา. 4/20

10:30 am-7:15 pm

1 stop14h 45m

Houston George Bush Intcntl

ส. 5/3

3:25 pm-11:55 am

1 stop14h 30m

$753

CorkHouston

ORK - IAH

ORKIAH

Cork

อ. 4/29

6:00 am-1:15 pm

1 stop13h 15m

Houston George Bush Intcntl

อ. 5/6

3:50 pm-2:40 pm

1 stop16h 50m

$759

DublinHouston

DUB - IAH

DUBIAH

Dublin

อ. 4/29

5:55 am-1:15 pm

1 stop13h 20m

Houston George Bush Intcntl

อ. 5/6

2:51 pm-3:00 pm

2 stops18h 09m

$760

DublinHouston

DUB - IAH

DUBIAH

Dublin

อ. 5/13

5:55 am-1:15 pm

1 stop13h 20m

Houston George Bush Intcntl

อา. 5/25

2:30 pm-7:45 am

1 stop11h 15m

$762

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/1

Showing 1-10 of 39 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 $334). 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 เมษายน 1, 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 เมษายน 1, 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
7,898 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
7,898 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
1,323 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
1,267 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
1,572 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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
Air France
7.4
Good
1,425 reviews
Delta
8.0
Very good
7,898 reviews

Food

7.3

Comfort

7.9

Crew

8.5

Boarding

8.2

Overall

8.0

Entertainment

7.9

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 WestJet ($564), Aer Lingus ($580), and Turkish Airlines ($660).

  • 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 $334). 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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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 เมษายน 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$686Average$968FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$787Average$972FlexibilityNo cancel feeOn-time69%

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