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$279+ Cheap flights from George Bush Intcntl (IAH) to Dublin (DUB)

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 11/23. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DUB
nov. 26 — déc. 31
mer. 11/26
mer. 12/3
1 adult, Economy
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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Dublin are usually found in November or February, booked 44 days in advance, depart on a Wednesday or Sunday and return on a Wednesday

Cheap flight deals from George Bush Intcntl to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Dublin (DUB). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated octobre 27, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$426
(Delta)

One-way from

$279
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$753
Provider with most accurate pricing for Houston George Bush Intcntl-Dublin flight deals.
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Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Dublin flights.
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From Houston George Bush Intcntl to Dublin
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One-way flight from Houston George Bush Intcntl to Dublin
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Highest demand for flights based on searches. 8% potential increase in price ($82 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from George Bush Intcntl to Dublin

Cheapest flights from George Bush Intcntl to Dublin
Explore the most affordable flight options available from George Bush Intcntl to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on octobre 27, 2025.

This Delta deal was found by Cheapflights users on 10/26. 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.
lun. 10/274:21 pmIAH - DUB
1 stop10h 24mDelta
mer. 11/1211:30 amDUB - IAH
2 stops16h 25mDelta
Deal found 10/26$425
This Delta deal was found by Cheapflights users on 10/27. 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.
dim. 11/95:15 amIAH - DUB
1 stop20h 30mDelta
mar. 11/259:45 amDUB - IAH
1 stop19h 30mDelta
Deal found 10/27$426
This KLM deal was found by Cheapflights users on 10/27. 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.
mar. 12/211:02 amIAH - DUB
1 stop14h 43mKLM
mar. 12/99:45 amDUB - IAH
1 stop14h 02mKLM
Deal found 10/27$433
This KLM deal was found by Cheapflights users on 10/27. 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.
mar. 12/211:02 amIAH - DUB
1 stop14h 43mMultiple Airlines
mar. 12/910:45 amDUB - IAH
2 stops17h 38mMultiple Airlines
Deal found 10/27$438
This Delta deal was found by Cheapflights users on 10/24. 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.
lun. 10/275:39 pmIAH - DUB
1 stop33h 06mDelta
mar. 11/49:45 amDUB - IAH
1 stop19h 09mDelta
Deal found 10/24$439
This KLM deal was found by Cheapflights users on 10/25. 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.
dim. 10/2612:37 pmIAH - DUB
1 stop15h 08mKLM
mar. 11/111:25 pmDUB - IAH
2 stops16h 32mKLM
Deal found 10/25$445
This KLM deal was found by Cheapflights users on 10/26. 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.
lun. 10/2711:49 amIAH - DUB
1 stop14h 56mKLM
mar. 11/115:55 amDUB - IAH
2 stops17h 50mKLM
Deal found 10/26$446
This Delta deal was found by Cheapflights users on 10/24. 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.
dim. 10/2610:00 amIAH - DUB
2 stops18h 20mDelta
lun. 11/31:25 pmDUB - IAH
1 stop30h 05mDelta
Deal found 10/24$448
This Air France deal was found by Cheapflights users on 10/26. 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.
lun. 11/34:05 pmIAH - DUB
1 stop17h 40mAir France
jeu. 11/139:45 amDUB - IAH
1 stop14h 05mAir France
Deal found 10/26$449
This Delta deal was found by Cheapflights users on 10/24. 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.
lun. 10/275:39 pmIAH - DUB
1 stop33h 06mDelta
lun. 11/31:25 pmDUB - IAH
1 stop30h 05mDelta
Deal found 10/24$454
This Air France deal was found by Cheapflights users on 10/27. 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.
lun. 11/34:05 pmIAH - DUB
1 stop17h 40mMultiple Airlines
lun. 11/105:15 pmDUB - IAH
1 stop26h 15mMultiple Airlines
Deal found 10/27$458

Cheapflights Fare Finder

 
Customize your flight search to find flights from George Bush Intcntl to Dublin 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 octobre 27, 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Dublin that are best for you.

Fly from

George Bush Intcntl

Fly to

Dublin

Route

Depart

Return

Price

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

mar. 12/2

11:02 am-7:45 am

1 stop14h 43m

Dublin

mar. 12/9

9:45 am-11:14 pm

1 stop19h 29m

$433

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

mer. 11/26

12:35 pm-7:45 am

1 stop13h 10m

Dublin

mer. 12/3

11:30 am-9:11 pm

2 stops15h 41m

$438

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

dim. 2/8

12:55 pm-8:45 am

1 stop13h 50m

Dublin

jeu. 2/19

10:45 am-11:31 am

1 stop30h 46m

$439

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

lun. 2/9

12:55 pm-3:45 pm

2 stops20h 50m

Dublin

jeu. 2/19

10:45 am-11:59 pm

2 stops19h 14m

$458

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

mer. 12/24

3:50 pm-7:55 am

1 stop34h 05m

Dublin

mer. 1/14

8:40 pm-2:05 pm

1 stop23h 25m

$469

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

mer. 12/24

3:50 pm-7:55 am

1 stop34h 05m

Dublin

jeu. 1/15

8:50 am-8:00 pm

1 stop17h 10m

$469

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

mer. 12/10

4:25 pm-9:55 am

1 stop11h 30m

Dublin

mer. 12/17

10:40 am-6:55 pm

1 stop14h 15m

$483

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

dim. 11/16

12:35 pm-7:45 am

1 stop13h 10m

Dublin

dim. 11/23

9:45 am-9:11 pm

1 stop17h 26m

$483

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

mer. 2/25

12:30 pm-7:45 am

1 stop13h 15m

Dublin

dim. 3/1

9:45 am-5:43 pm

1 stop13h 58m

$483

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

ven. 11/28

5:15 am-7:45 am

1 stop20h 30m

Dublin

ven. 12/5

9:45 am-11:59 pm

1 stop20h 14m

$483

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/26

Showing 1-10 of 16 results
1
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Compare providers for flights from George Bush Intcntl to Dublin

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Dublin in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
AranGrantPrice Accuracy2 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JetabroadPrice Accuracy3 starsTrust Score*1 star

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Dublin flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Houston George Bush Intcntl Airport-Dublin flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Dublin flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Dublin flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Dublin flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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

Have a flexible travel schedule? Discover the best time to fly to Dublin 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 Dublin

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

Use this chart to determine the optimal time to book a round-trip flight from George Bush Intcntl to Dublin. Price data was last updated on October 24, 2025.

The best time to book flights from Houston George Bush Intcntl Airport to Dublin is 44 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Dublin (average of $351). Flying from Houston George Bush Intcntl Airport to Dublin in June is currently the most expensive (average of $854). 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 IAH to DUB?

Find hourly flight availability from George Bush Intcntl to Dublin. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated octobre 27, 2025.

A simple way to save on the total cost of your ticket is to fly from Houston George Bush Intcntl Airport to Dublin in the evening. If you’re flexible enough to do this you can expect to save up to 6% on your trip compared to booking a flight at noon.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Dublin?

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

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Dublin flight should consider departing on Wednesday mornings when fares are most often at their lowest. Tuesday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Dublin?

Reviews of airlines servicing Dublin

Get insights into the airlines that provide service to Dublin. 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 Dublin. Reviews last updated octobre 27, 2025.
See what other customers who have flown with Delta, United Airlines, and American Airlines from Houston George Bush Intcntl Airport to Dublin have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Delta
7.9
Good
7,996 reviews
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
United Airlines
7.4
Good
8,999 reviews
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
American Airlines
7.2
Good
11,031 reviews
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
Iberia
7.0
Good
3,000 reviews
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.
British Airways
6.7
Okay
7,476 reviews
Delta
7.9
Good
7,996 reviews

Comfort

7.9

Overall

7.9

Entertainment

7.9

Boarding

8.2

Crew

8.5

Food

7.3

Reviews

1 / 20
8.0
Excellent

Matthew,Oct 2025

GSP - ATL

This is always a full flight since it is the connecting route to primary destinations through Atlanta. That said, the crew handles the full load well. Not much more to say, it is a short flight with no in-flight services due to the length.

Related info for your journey

Find useful and relevant information for your journey from George Bush Intcntl to Dublin. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Dublin from Houston George Bush Intcntl?

    If you book a flight to Dublin from Houston George Bush Intcntl, you will be flying to Dublin, which is the city’s only airport. Dublin (DUB) is located 5.7 mi from the center of Dublin. There are 0 flights from Houston George Bush Intcntl to Dublin per day from 10 different airlines.

  • How long is the flight from Houston George Bush Intcntl Airport to Dublin?

    KLM and Delta can get you from Houston George Bush Intcntl Airport to Dublin in just under 13h 50m. Your travel time can differ by up to 53m. Houston George Bush Intcntl Airport and Dublin are separated by a distance of 4545 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Dublin round-trip?

    Flying on JetBlue is currently your cheapest option to Dublin, with prices starting at $101. Additional round-trip tickets that might be worth considering are offered by United Airlines and Air Canada, with the lowest prices starting at $588 and $591, respectively. These flights start at 88% lower than the current average price 3 months from now.

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

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

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

    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 Dublin.

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

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

    Currently, August is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Dublin (average of $351). Flying from Houston George Bush Intcntl Airport to Dublin in June is currently the most expensive (average of $854). 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

Traveling to a place near Dublin?

Book flights to Dublin if you plan to visit one of these locations
Maynooth
Castleknock
Swords
Wicklow
Leixlip

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Alternative routes for George Bush Intcntl to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Dublin flights
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Hobby to Shannon flights
George Bush Intcntl to Cork flights
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George Bush Intcntl to Milltown (Kerry) flights

Top 10 airlines flying from George Bush Intcntl to Dublin

Discover the top 10 airlines that operate flights from George Bush Intcntl to Dublin. 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 octobre 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$625FlexibilityNo cancel feeOn-time62%
United AirlinesCheapest$588Average$913FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$591Average$720FlexibilityNo cancel feeOn-time67%
British AirwaysCheapest$621Average$901FlexibilityNo cancel feeOn-time70%
KLMCheapest$636Average$988FlexibilityNo cancel feeOn-time75%
DeltaCheapest$644Average$854FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$660Average$972FlexibilityNo cancel feeOn-time71%
IberiaCheapest$665Average$961FlexibilityNo cancel feeOn-time77%
Air FranceCheapest$666Average$731FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$826Average$945FlexibilityNo cancel feeOn-timeN/A

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