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$234+ Cheap flights from Houston to Ireland

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 11/27. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DUB
Dec 13 — Dec 201
Sat 12/13
Sat 12/20
1 adult, Economy
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Cheap flight deals from Houston to Ireland

Keep the following information in mind while searching for Houston to Ireland flight deals. Data was last updated November 13, 2025.

Round-trip from

$424
(Delta)

One-way from

$234
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$745
From Houston to Ireland
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One-way flight from Houston to Ireland
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High demand for flights, 1% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in November 2025
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Find flight deals from Houston to Ireland

Cheapest flights from Houston to Ireland
Explore the most affordable flight options available from Houston to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 13, 2025.

This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/237:01 amIAH - DUB
1 stop18h 44mDelta
Tue 12/910:45 amDUB - IAH
2 stops17h 38mDelta
Deal found 11/11$424
This Delta deal was found by Cheapflights users on 11/12. 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.
Mon 11/171:36 pmIAH - DUB
1 stop12h 09mDelta
Wed 12/311:30 amDUB - IAH
2 stops18h 29mDelta
Deal found 11/12$425
This Delta deal was found by Cheapflights users on 11/12. 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.
Mon 11/172:32 pmHOU - DUB
1 stop11h 13mDelta
Wed 12/311:30 amDUB - HOU
2 stops17h 18mDelta
Deal found 11/12$425
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:00 amHOU - DUB
1 stop19h 45mDelta
Wed 12/109:45 amDUB - HOU
1 stop19h 03mDelta
Deal found 11/11$433
This Delta deal was found by Cheapflights users on 11/13. 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 11/1812:30 pmIAH - DUB
1 stop14h 15mDelta
Wed 12/1011:30 amDUB - IAH
2 stops18h 29mDelta
Deal found 11/13$438
This Delta deal was found by Cheapflights users on 11/13. 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 11/176:00 amHOU - DUB
1 stop19h 45mDelta
Fri 12/1211:30 amDUB - HOU
2 stops28h 04mDelta
Deal found 11/13$438
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:33 pmHOU - DUB
1 stop31h 12mDelta
Wed 12/109:45 amDUB - HOU
1 stop19h 03mDelta
Deal found 11/11$439
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/182:27 pmIAH - DUB
1 stop11h 18mDelta
Thu 12/116:00 amDUB - IAH
1 stop13h 55mDelta
Deal found 11/11$442
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/171:36 pmIAH - DUB
1 stop12h 09mDelta
Mon 12/81:25 pmDUB - IAH
1 stop30h 05mDelta
Deal found 11/11$443
This Delta deal was found by Cheapflights users on 11/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/226:33 pmHOU - DUB
1 stop31h 12mDelta
Tue 12/910:45 amDUB - HOU
2 stops18h 03mDelta
Deal found 11/11$443
This Delta deal was found by Cheapflights users on 11/13. 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.
Sun 11/237:01 amIAH - DUB
2 stops20h 19mDelta
Mon 12/81:25 pmDUB - IAH
1 stop30h 05mDelta
Deal found 11/13$448
This lol.travel deal was found by Cheapflights users on 11/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1712:30 pmIAH - DUB
2 stops36h 40mAir Canada
Wed 12/39:00 amDUB - IAH
2 stops18h 39mAir Canada
Deal found 11/12$451

Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston to Ireland 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 November 13, 2025.
Use the filters below to find and compare flights from Houston to Ireland that are best for you.

Fly from

Houston

Fly to

Ireland

Route

Depart

Return

Price

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/23

7:01 am-7:45 am

1 stop18h 44m

Dublin

Tue 12/9

10:45 am-10:23 pm

2 stops17h 38m

$424

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/23

7:01 am-9:20 am

2 stops20h 19m

Dublin

Wed 12/10

9:45 am-5:44 pm

1 stop13h 59m

$438

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Sun 11/23

6:00 am-8:45 am

2 stops20h 45m

Dublin

Tue 12/9

9:45 am-10:48 pm

2 stops19h 03m

$438

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 12/2

6:00 am-7:45 am

2 stops19h 45m

Dublin

Wed 12/10

9:45 am-10:48 pm

1 stop19h 03m

$438

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 12/2

6:00 am-7:45 am

2 stops19h 45m

Dublin

Tue 12/9

9:45 am-9:34 am

2 stops29h 49m

$438

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 12/9

6:00 am-8:45 am

2 stops20h 45m

Dublin

Wed 12/17

9:45 am-5:52 pm

1 stop14h 07m

$438

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 12/2

11:02 am-7:45 am

1 stop14h 43m

Dublin

Tue 12/9

6:00 am-5:47 pm

2 stops17h 47m

$452

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 1/13

12:49 pm-8:45 am

1 stop13h 56m

Dublin

Tue 1/20

6:00 am-11:17 pm

2 stops23h 17m

$452

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 12/2

9:43 pm-8:10 am

1 stop28h 27m

Dublin

Wed 12/10

9:00 am-9:11 am

1 stop30h 11m

$456

HoustonCork

IAH - ORK

IAHORK

Houston George Bush Intcntl

Sun 11/23

4:05 pm-3:00 pm

1 stop16h 55m

Cork

Tue 12/2

5:15 pm-9:50 pm

2 stops34h 35m

$468

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/11

Showing 1-10 of 40 results
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Best time to book a flight from Houston to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from Houston 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 Houston to Ireland

What is the cheapest month to book a flight from Houston to Ireland?

Currently, August is the cheapest month in which you can book a flight from Houston to Ireland (average of $351). Flying from Houston to Ireland in June is currently the most expensive (average of $794). 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 HOU to IE?

Find hourly flight availability from Houston to Ireland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 13, 2025.

A simple way to save on the total cost of your ticket is to fly from Houston to Ireland at noon. If you’re flexible enough to do this you can expect to save up to 15% on your trip compared to booking a flight in the evening.

What is the cheapest day to fly from Houston to Ireland?

Use this chart to determine the cheapest time to fly round-trip from Houston to Ireland. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Houston to Ireland flight should consider departing on Wednesday mornings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Ireland

Get insights into the airlines that provide service to Ireland. 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 Ireland. Reviews last updated November 13, 2025.
Read reviews from past customers who have flown Delta, United Airlines, and American Airlines from Houston to Ireland. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,007 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,015 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,050 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Iberia
7.0
Good
3,010 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,516 reviews
Delta
7.9
Good
8,007 reviews

Entertainment

7.9

Crew

8.5

Food

7.3

Boarding

8.1

Comfort

7.9

Overall

7.9

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

Related info for your journey

Find useful and relevant information for your journey from Houston to Ireland. 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 Houston to Ireland?

    Departing from Houston to Ireland will take you 15h 40m. Houston and Ireland are separated by a distance of 4454 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Houston to Ireland one-way?

    One-way options have recently been found by users for as low as $399 on United Airlines. Other airlines that offer cheap prices include Aer Lingus from $478 and American Airlines from $573 one-way.

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

    The most popular flight routes from Houston to Ireland are Houston Hobby - Dublin, Houston George Bush Intcntl - Dublin and Houston Hobby - Cork.

  • Can I find deals for flights from Houston to Ireland that include hotel bookings?

    Yes. In addition to deals on Houston to Ireland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Ireland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Ireland.

  • Can I find deals for business class flights from Houston to Ireland?

    Yes. Cheapflights offers flight deals from Houston to Ireland 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 Houston to Ireland?

    Currently, August is the cheapest month in which you can book a flight from Houston to Ireland (average of $351). Flying from Houston to Ireland in June is currently the most expensive (average of $794). 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 Houston to Ireland

See prices for flight routes from nearby airports that may be better suited for you.
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Hobby to Naples flights

Top 10 airlines flying from Houston to Ireland

Discover the top 10 airlines that operate flights from Houston to Ireland. 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 November 13, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$625FlexibilityNo cancel feeOn-time62%
KLMCheapest$363Average$796FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$442Average$866FlexibilityNo cancel feeOn-time70%
IberiaCheapest$541Average$960FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$547Average$900FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$575Average$858FlexibilityNo cancel feeOn-time69%
DeltaCheapest$580Average$801FlexibilityNo cancel feeOn-timeN/A
Air CanadaCheapest$591Average$720FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$611Average$958FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$640Average$679FlexibilityNo cancel feeOn-time77%

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