Houston

$365+ 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 10/20. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
Jun 17 — Jun 241
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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 June 12, 2025.

Round-trip from

$576
(Scandinavian Airlines)

One-way from

$365
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$959
From Ireland to Houston
One-way flight from Ireland to Houston
Highest demand for flights based on searches. 4% potential increase in price ($40 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($18 potential savings vs. average RT price).
Average for round-trip flights in June 2025

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 June 12, 2025.

This Scandinavian Airlines deal was found by Cheapflights users on 6/11. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1412:30 pmDUB - IAH
2 stops41h 26mScandinavian Airlines
Tue 11/184:00 pmIAH - DUB
2 stops20h 20mScandinavian Airlines
Deal found 6/11$576
This FlightHub deal was found by Cheapflights users on 6/10. 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 11/224:50 pmDUB - IAH
1 stop32h 20mTurkish Airlines
Wed 12/32:50 pmIAH - DUB
1 stop17h 35mTurkish Airlines
Deal found 6/10$706
This Mytrip deal was found by Cheapflights users on 6/12. 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 6/191:25 pmDUB - IAH
1 stop31h 35mMultiple Airlines
Wed 7/28:49 pmIAH - DUB
2 stops26h 06mMultiple Airlines
Deal found 6/12$729
This Delta deal was found by Cheapflights users on 6/12. 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 6/195:55 amDUB - IAH
1 stop13h 20mDelta
Wed 7/23:17 pmIAH - DUB
2 stops17h 43mDelta
Deal found 6/12$776
This JetBlue deal was found by Cheapflights users on 6/10. 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.
Thu 6/1910:40 amDUB - IAH
1 stop30h 33mJetBlue
Wed 7/211:58 amIAH - DUB
1 stop15h 02mJetBlue
Deal found 6/10$781
This British Airways deal was found by Cheapflights users on 6/11. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/138:40 amDUB - IAH
1 stop17h 20mBritish Airways
Mon 11/179:45 pmIAH - DUB
1 stop13h 20mBritish Airways
Deal found 6/11$789
This American Airlines deal was found by Cheapflights users on 6/11. 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.
Wed 11/128:40 amDUB - IAH
2 stops17h 25mAmerican Airlines
Sun 11/163:55 pmIAH - DUB
1 stop17h 10mAmerican Airlines
Deal found 6/11$797
This TravelUp deal was found by Cheapflights users on 6/12. 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.
Thu 6/1911:45 amDUB - IAH
1 stop14h 44mIberia
Wed 7/29:49 amIAH - DUB
1 stop13h 41mIberia
Deal found 6/12$806
This American Airlines deal was found by Cheapflights users on 6/10. 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.
Sun 10/262:05 pmDUB - HOU
1 stop13h 09mAmerican Airlines
Sat 11/112:25 pmHOU - DUB
2 stops16h 25mAmerican Airlines
Deal found 6/10$810
This Air Canada deal was found by Cheapflights users on 6/11. 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.
Fri 11/149:00 amDUB - IAH
2 stops42h 19mAir Canada
Sun 11/167:20 amIAH - DUB
1 stop17h 50mAir Canada
Deal found 6/11$818
This Air France deal was found by Cheapflights users on 6/11. 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.
Thu 11/136:00 amDUB - IAH
2 stops17h 38mAir France
Tue 11/184:05 pmIAH - DUB
1 stop17h 35mAir France
Deal found 6/11$843
This Iberia deal was found by Cheapflights users on 6/10. 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.
Fri 10/2412:40 pmDUB - HOU
1 stop13h 29mIberia
Sun 11/210:19 amHOU - DUB
1 stop14h 56mIberia
Deal found 6/10$849

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 June 12, 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

12:30 pm-11:56 pm

2 stops41h 26m

Houston George Bush Intcntl

Tue 11/18

4:00 pm-6:20 pm

2 stops20h 20m

$576

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 11/22

4:50 pm-7:10 pm

1 stop32h 20m

Houston George Bush Intcntl

Wed 12/3

2:50 pm-2:25 pm

1 stop17h 35m

$706

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 7/9

12:40 pm-8:52 am

2 stops26h 12m

Houston George Bush Intcntl

Mon 7/14

3:16 pm-8:25 am

2 stops35h 09m

$737

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 11/13

8:40 am-8:00 pm

1 stop17h 20m

Houston George Bush Intcntl

Mon 11/17

9:45 pm-5:05 pm

1 stop13h 20m

$789

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 11/12

8:40 am-8:05 pm

2 stops17h 25m

Houston George Bush Intcntl

Sun 11/16

3:55 pm-3:05 pm

1 stop17h 10m

$797

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sun 10/26

2:05 pm-10:14 pm

1 stop13h 09m

Houston Hobby

Sat 11/1

12:25 pm-9:50 am

2 stops16h 25m

$810

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 11/14

9:00 am-9:19 pm

2 stops42h 19m

Houston George Bush Intcntl

Sun 11/16

7:20 am-7:10 am

1 stop17h 50m

$818

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 8/20

10:40 am-10:38 am

1 stop29h 58m

Houston George Bush Intcntl

Tue 8/26

11:40 am-9:00 am

1 stop15h 20m

$835

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 11/13

6:00 am-5:38 pm

2 stops17h 38m

Houston George Bush Intcntl

Tue 11/18

4:05 pm-3:40 pm

1 stop17h 35m

$843

DublinHouston

DUB - HOU

DUBHOU

Dublin

Fri 10/24

12:40 pm-8:09 pm

1 stop13h 29m

Houston Hobby

Sun 11/2

10:19 am-7:15 am

1 stop14h 56m

$849

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 44 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 June 12, 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 June 12, 2025.
Get a feel of what it's like to fly with Delta, KLM and Austrian Airlines 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.
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
8.0
Very good

Entertainment

7.9

Crew

8.5

Overall

8.0

Comfort

7.9

Boarding

8.2

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

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 ($576), WestJet ($631), and Aer Lingus ($669).

  • What are the most popular routes from Ireland to Houston?

  • 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.

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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$686Average$968FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$787Average$972FlexibilityNo cancel feeOn-time69%

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