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Ireland

$297+ 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 11/10. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DUB
Dec 3 — Dec 101
Wed 12/3
Wed 12/10
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 3, 2025.

Round-trip from

$423
(KLM)

One-way from

$297
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$695
From Houston to Ireland
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One-way flight from Houston to Ireland
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High demand for flights, 3% potential price rise
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Cheapest flight prices on average. 3% potential price decrease ($29 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 3, 2025.

This Delta deal was found by Cheapflights users on 11/3. 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.
Sun 11/95:15 amIAH - DUB
1 stop20h 30mDelta
Tue 11/259:45 amDUB - IAH
1 stop14h 05mDelta
Deal found 11/3$423
This KLM deal was found by Cheapflights users on 11/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/112:27 pmIAH - DUB
1 stop11h 18mKLM
Tue 11/259:45 amDUB - IAH
1 stop14h 05mKLM
Deal found 11/2$433
This KLM deal was found by Cheapflights users on 11/2. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/211:02 amIAH - DUB
1 stop14h 43mMultiple Airlines
Tue 12/910:45 amDUB - IAH
2 stops17h 38mMultiple Airlines
Deal found 11/2$438
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/26:00 amHOU - DUB
2 stops19h 45mDelta
Tue 12/910:45 amDUB - HOU
2 stops28h 49mDelta
Deal found 11/2$438
This Delta deal was found by Cheapflights users on 11/1. 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.
Tue 11/116:48 pmHOU - DUB
1 stop30h 57mDelta
Tue 11/259:45 amDUB - HOU
2 stops19h 22mDelta
Deal found 11/1$443
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/116:45 amIAH - DUB
1 stop19h 00mDelta
Tue 11/256:00 amDUB - IAH
2 stops21h 11mDelta
Deal found 11/2$452
This Air France deal was found by Cheapflights users on 11/2. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/34:05 pmIAH - DUB
1 stop17h 40mMultiple Airlines
Mon 11/105:15 pmDUB - IAH
1 stop26h 15mMultiple Airlines
Deal found 11/2$458
This Air Canada deal was found by Cheapflights users on 11/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/97:10 amIAH - DUB
1 stop18h 00mMultiple Airlines
Tue 11/255:00 amDUB - IAH
2 stops22h 39mMultiple Airlines
Deal found 11/2$467
This Air Canada deal was found by Cheapflights users on 11/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:25 pmIAH - DUB
1 stop30h 45mMultiple Airlines
Tue 11/255:00 amDUB - IAH
2 stops22h 39mMultiple Airlines
Deal found 11/1$468
This Air France deal was found by Cheapflights users on 11/2. 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 Air France is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/193:30 pmIAH - DUB
1 stop18h 50mMultiple Airlines
Wed 11/266:00 amDUB - IAH
1 stop13h 55mMultiple Airlines
Deal found 11/2$469
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/25:10 amIAH - DUB
2 stops20h 50mDelta
Tue 12/96:00 amDUB - IAH
2 stops22h 23mDelta
Deal found 11/2$472
This Air Canada deal was found by Cheapflights users on 11/2. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1110:29 amIAH - DUB
2 stops14h 41mMultiple Airlines
Tue 11/255:00 amDUB - IAH
2 stops22h 39mMultiple Airlines
Deal found 11/2$474

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 3, 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 11/30

1:36 pm-7:45 am

1 stop12h 09m

Dublin

Tue 12/16

9:45 am-5:47 pm

1 stop14h 02m

$423

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 12/2

11:02 am-7:45 am

1 stop14h 43m

Dublin

Tue 12/9

9:45 am-11:14 pm

1 stop19h 29m

$433

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 12/2

11:02 am-7:45 am

1 stop14h 43m

Dublin

Tue 12/9

10:45 am-10:23 pm

2 stops17h 38m

$438

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 12/2

6:00 am-7:45 am

2 stops19h 45m

Dublin

Tue 12/9

10:45 am-10:48 pm

2 stops18h 03m

$438

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 11/11

6:00 am-7:45 am

2 stops19h 45m

Dublin

Tue 11/25

9:45 am-11:07 pm

2 stops19h 22m

$438

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 2/4

11:55 am-8:10 am

1 stop14h 15m

Dublin

Wed 2/11

9:10 am-6:15 pm

1 stop15h 05m

$467

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 11/19

2:38 pm-9:55 am

1 stop13h 17m

Dublin

Wed 11/26

9:00 am-9:44 pm

1 stop18h 44m

$468

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 12/2

5:10 am-8:00 am

2 stops20h 50m

Dublin

Tue 12/9

6:00 am-10:23 pm

2 stops22h 23m

$472

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 2/4

10:06 am-7:30 am

2 stops15h 24m

Dublin

Wed 2/11

9:00 am-9:44 pm

1 stop18h 44m

$473

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 11/19

3:30 pm-4:20 pm

1 stop18h 50m

Dublin

Wed 11/26

5:55 am-5:45 pm

2 stops17h 50m

$480

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/2

Showing 1-10 of 38 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 $793). 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 3, 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 3, 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
8,001 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Delta
7.9
Good
8,001 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
United Airlines
7.4
Good
8,997 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
American Airlines
7.2
Good
11,036 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
Iberia
7.0
Good
3,005 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.
British Airways
6.7
Okay
7,494 reviews
Delta
7.9
Good
8,001 reviews

Crew

8.5

Boarding

8.2

Food

7.3

Overall

7.9

Entertainment

7.9

Comfort

7.9

Reviews

1 / 20
8.0
Excellent

Lane,Nov 2025

MEM - ATL

The crew was very friendly, but they only came around and offered the better Delta Comfort snacks one time. I thought they would come around more frequently on a 5 hour flight. They did do two beverage services though, which was nice.

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 12h 09m. Houston and Ireland are separated by a distance of 4545 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 - Shannon.

  • 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 $793). 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.
Dallas/Fort Worth to Heathrow flights
Dallas/Fort Worth to Leonardo da Vinci/Fiumicino flights
Dallas/Fort Worth to Charles de Gaulle flights
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Hobby to Heathrow flights
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Hobby to Istanbul flights
Dallas/Fort Worth to Madrid flights
George Bush Intcntl to Heathrow flights
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Hobby to Madrid flights
Love Field to Charles de Gaulle flights
Hobby to Gatwick flights
Dallas/Fort Worth to Stansted flights
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Dallas/Fort Worth to Dublin flights
Love Field to Frankfurt flights
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Dallas/Fort Worth to Athens flights
George Bush Intcntl to Gatwick flights
George Bush Intcntl to Leonardo da Vinci/Fiumicino flights
Hobby to Frankfurt flights
George Bush Intcntl to Madrid flights
George Bush Intcntl to Amsterdam flights
Dallas/Fort Worth to Zurich flights
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George Bush Intcntl to Frankfurt flights
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Hobby to Linate flights
Dallas/Fort Worth to Sabiha Gokcen flights
George Bush Intcntl to London City flights
Love Field to Lisbon flights
Hobby to Malpensa flights
Austin to Gatwick flights
Austin to Charles de Gaulle flights
Dallas/Fort Worth to Edinburgh flights
Love Field to Barcelona-El Prat flights
Hobby to Orly 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 3, 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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