Ireland

$201+ Cheap flights from George Bush Intcntl (IAH) 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DUB
Jun 16 — Jun 231
We work with more than 300 partners to bring you better travel deals

Find cheap flights from George Bush Intcntl to Ireland with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from George Bush Intcntl to Ireland

Cheapest flights from George Bush Intcntl to Ireland
Explore the most affordable flight options available from George Bush Intcntl to Ireland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 17, 2026.

This KAYAK deal was found by Cheapflights users on 5/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/87:20 am
IAH
-
DUB
1 stop15h 50m
Aer Lingus
Tue 9/151:20 pm
DUB
-
IAH
1 stop27h 47m
Aer Lingus
Deal found 5/12$440
This KAYAK deal was found by Cheapflights users on 5/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Fri 9/181:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 5/12$472
This KAYAK deal was found by Cheapflights users on 5/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/196:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Wed 8/261:20 pm
DUB
-
IAH
1 stop14h 41m
Aer Lingus
Deal found 5/13$477
This KAYAK deal was found by Cheapflights users on 5/13. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/56:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Tue 8/111:20 pm
DUB
-
IAH
1 stop27h 30m
Aer Lingus
Deal found 5/13$518
This Ovago deal was found by Cheapflights users on 5/12. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/257:20 am
IAH
-
DUB
1 stop15h 50m
Aer Lingus
Wed 6/31:20 pm
DUB
-
IAH
1 stop15h 51m
Aer Lingus
Deal found 5/12$527
This BusinessClass deal was found by Cheapflights users on 5/12. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/106:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Fri 7/171:20 pm
DUB
-
IAH
1 stop14h 41m
Aer Lingus
Deal found 5/12$529
This KAYAK deal was found by Cheapflights users on 5/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/46:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Sun 9/131:20 pm
DUB
-
IAH
1 stop27h 47m
Aer Lingus
Deal found 5/12$530
This Ovago deal was found by Cheapflights users on 5/14. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/197:20 am
IAH
-
DUB
1 stop15h 50m
Aer Lingus
Tue 5/261:20 pm
DUB
-
IAH
1 stop15h 51m
Aer Lingus
Deal found 5/14$532
This KAYAK deal was found by Cheapflights users on 5/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:20 am
IAH
-
DUB
1 stop15h 50m
Aer Lingus
Sun 10/111:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 5/14$538
This BusinessClass deal was found by Cheapflights users on 5/12. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/126:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Sun 7/191:20 pm
DUB
-
IAH
1 stop27h 30m
Aer Lingus
Deal found 5/12$539
This KAYAK deal was found by Cheapflights users on 5/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/297:20 am
IAH
-
DUB
1 stop15h 50m
Aer Lingus
Sat 10/101:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 5/12$548
This KAYAK deal was found by Cheapflights users on 5/12. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/116:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Sat 7/181:20 pm
DUB
-
IAH
1 stop14h 41m
Aer Lingus
Deal found 5/12$578

Find flight deals from George Bush Intcntl to Ireland

Keep the following information in mind while searching for George Bush Intcntl to Ireland flight deals. Data was last updated May 17, 2026.

Round-trip from

$440
(KAYAK)

One-way from

$201
(KAYAK)

Popular in

December

Cheapest in

April

Average price

$729
From Houston George Bush Intcntl to Ireland
One-way flight from Houston George Bush Intcntl to Ireland
Highest demand for flights based on searches. 8% potential increase in price ($70 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($26 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl 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 May 17, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Ireland that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 9/8

10:19 pm-9:45 am

1 stop29h 26m

Dublin

Wed 9/16

9:50 am-3:37 pm

1 stop35h 47m

$772

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/1

7:59 pm-10:20 am

1 stop32h 21m

Dublin

Fri 11/13

9:00 am-11:09 am

1 stop32h 09m

$776

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/1

9:45 pm-8:10 am

1 stop28h 25m

Dublin

Wed 11/18

9:00 am-11:09 am

1 stop32h 09m

$776

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/8

1:15 pm-3:45 pm

2 stops20h 30m

Dublin

Wed 11/18

5:55 am-1:30 pm

1 stop13h 35m

$794

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 9/8

4:30 pm-3:25 pm

2 stops16h 55m

Dublin

Wed 9/16

5:55 am-1:15 pm

1 stop13h 20m

$798

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Mon 9/7

1:53 pm-10:15 am

1 stop14h 22m

Shannon

Thu 9/10

12:30 pm-11:30 pm

1 stop17h 00m

$803
Quickest round-trip

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Tue 9/1

2:43 pm-10:15 am

1 stop13h 32m

Shannon

Wed 9/16

9:30 am-5:14 pm

1 stop13h 44m

$804

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Wed 9/2

6:15 am-7:30 am

1 stop19h 15m

Shannon

Wed 9/9

9:30 am-8:39 pm

1 stop17h 09m

$804

HoustonShannon

IAH - SNN

IAHSNN

Houston George Bush Intcntl

Tue 9/1

1:15 pm-11:10 am

2 stops15h 55m

Shannon

Wed 9/16

1:05 pm-11:51 pm

2 stops16h 46m

$808

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 9/6

9:40 am-9:15 am

2 stops17h 35m

Dublin

Fri 9/11

3:00 pm-11:51 pm

2 stops14h 51m

$811

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/14

Showing 1-10 of 35 resultsSorted by cheapest first
1
2
3
4

Best time to book a flight from George Bush Intcntl to Ireland

Have a flexible travel schedule? Discover the best time to fly to Ireland from George Bush Intcntl 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 George Bush Intcntl Airport to Ireland

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Ireland?

The price you pay for your flight from Houston George Bush Intcntl Airport to Ireland may vary depending on when you book. For the best chance of a lower fare, look to book 36 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Ireland?

Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Ireland (average of $101). Flying from Houston George Bush Intcntl Airport to Ireland in May is currently the most expensive (average of $686). 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.

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 May 17, 2026.
Get a feel of what it's like to fly with Delta,United Airlines, andAmerican Airlines from Houston George Bush Intcntl Airport to Ireland by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Comfort

7.8

Food

7.2

Boarding

8.1

Entertainment

7.8

Overall

7.9

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Anonymous,May 2026

SEA - KOA

The snacks were not very good, not everyone was very friendly and professional

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl 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 George Bush Intcntl Airport to Ireland?

    A quick flight from Houston George Bush Intcntl Airport to Ireland can take about 16h 45m. United Airlines provides one of the quickest options available for as low as $870. The distance from Houston George Bush Intcntl Airport to Ireland is about 4489 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Houston George Bush Intcntl Airport to Ireland?

  • Can I find deals for flights from George Bush Intcntl to Ireland that include hotel bookings?

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

  • How can I find direct flights from George Bush Intcntl to Ireland?

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

  • Can I find deals for business class flights from George Bush Intcntl to Ireland?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to Ireland?

    Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Ireland (average of $101). Flying from Houston George Bush Intcntl Airport to Ireland in May is currently the most expensive (average of $686). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from George Bush Intcntl to Ireland

Discover the top 10 airlines that operate flights from George Bush Intcntl 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 May 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
KLMCheapest$443Average$754FlexibilityNo cancel feeOn-time75%
Air CanadaCheapest$548Average$646FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$567Average$873FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$579Average$766FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$586Average$863FlexibilityNo cancel feeOn-time71%
IberiaCheapest$615Average$665FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$629Average$791FlexibilityNo cancel feeOn-time77%
DeltaCheapest$633Average$790FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$650Average$667FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$777Average$902FlexibilityNo cancel feeOn-timeN/A

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.