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$250+ 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 10/28. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DUB
Aug 27 — Sep 31
Thu 8/27
Thu 9/3
1 adult, Economy
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Cheap 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 July 28, 2026.

This KAYAK deal was found by Cheapflights users on 7/27. 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 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 stop14h 32m
Aer Lingus
Deal found 7/27$442
This KAYAK deal was found by Cheapflights users on 7/26. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/36:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Mon 9/71:20 pm
DUB
-
IAH
1 stop14h 41m
Aer Lingus
Deal found 7/26$457
This KAYAK deal was found by Cheapflights users on 7/23. 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.
Sun 9/66:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Wed 9/161:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 7/23$459
This KAYAK deal was found by Cheapflights users on 7/22. 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 8/126:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Thu 8/201:20 pm
DUB
-
IAH
1 stop14h 51m
Aer Lingus
Deal found 7/22$463
This KAYAK deal was found by Cheapflights users on 7/23. 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.
Sun 9/66:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Mon 9/141:20 pm
DUB
-
IAH
1 stop14h 32m
Aer Lingus
Deal found 7/23$475
This KAYAK deal was found by Cheapflights users on 7/23. 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.
Thu 8/66:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Thu 8/201:20 pm
DUB
-
IAH
1 stop14h 51m
Aer Lingus
Deal found 7/23$506
This KAYAK deal was found by Cheapflights users on 7/22. 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 8/126:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Fri 8/211:20 pm
DUB
-
IAH
1 stop14h 51m
Aer Lingus
Deal found 7/22$531
This KAYAK deal was found by Cheapflights users on 7/22. 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 8/126:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Wed 8/191:20 pm
DUB
-
IAH
1 stop14h 51m
Aer Lingus
Deal found 7/22$574
This KAYAK deal was found by Cheapflights users on 7/27. 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 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 51m
Aer Lingus
Deal found 7/27$602
This KAYAK deal was found by Cheapflights users on 7/22. 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 8/146:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Sat 8/221:20 pm
DUB
-
IAH
1 stop14h 51m
Aer Lingus
Deal found 7/22$604
This KAYAK deal was found by Cheapflights users on 7/22. 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 8/126:45 am
IAH
-
DUB
1 stop16h 25m
Aer Lingus
Sat 8/221:20 pm
DUB
-
IAH
1 stop14h 51m
Aer Lingus
Deal found 7/22$626
This Gurufare deal was found by Cheapflights users on 7/25. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:16 pm
IAH
-
DUB
1 stop14h 19m
Aer Lingus
Wed 11/41:00 pm
DUB
-
IAH
1 stop27h 53m
Aer Lingus
Deal found 7/25$651

Find 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 July 28, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$442
(KAYAK)

One-way from

$250
(KAYAK)

Popular in

July

Cheapest in

January

Average price

$1,189
Provider with most accurate pricing for Houston George Bush Intcntl-Dublin flight deals.
Search Deals
Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Dublin flights.
Search Deals
From Houston George Bush Intcntl to Dublin
Search Deals
One-way flight from Houston George Bush Intcntl to Dublin
Search Deals
Highest demand for flights based on searches. 21% potential increase in price ($220 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

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 July 28, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Dublin that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/1

6:40 pm-10:20 am

1 stop33h 40m

Dublin

Fri 11/13

9:00 am-10:53 am

1 stop31h 53m

$705

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 11/18

3:50 pm-7:45 pm

1 stop21h 55m

Dublin

Wed 12/2

8:40 pm-2:05 pm

1 stop23h 25m

$716

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/8

12:55 pm-2:30 pm

2 stops19h 35m

Dublin

Wed 11/18

5:45 am-1:10 pm

1 stop13h 25m

$722

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 1/11

9:45 pm-7:10 am

2 stops51h 25m

Dublin

Mon 1/25

9:10 am-2:00 pm

1 stop34h 50m

$756

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Thu 11/5

9:40 pm-5:25 pm

1 stop13h 45m

Dublin

Mon 11/16

8:40 pm-2:05 pm

1 stop23h 25m

$766
Quickest round-trip

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Thu 10/29

3:28 pm-2:30 pm

2 stops18h 02m

Dublin

Fri 11/6

5:45 am-1:05 pm

1 stop13h 20m

$772

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 1/11

9:45 am-7:30 am

2 stops15h 45m

Dublin

Mon 1/25

9:00 am-7:33 pm

2 stops16h 33m

$782

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 10/7

5:29 am-8:45 am

1 stop21h 16m

Dublin

Sun 10/11

5:55 am-5:50 pm

2 stops17h 55m

$837

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Fri 8/14

4:37 pm-3:25 pm

2 stops16h 48m

Dublin

Mon 8/24

5:55 am-9:21 pm

2 stops21h 26m

$844

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 12/1

11:16 am-5:20 pm

2 stops24h 04m

Dublin

Tue 12/8

9:45 am-2:05 pm

2 stops34h 20m

$921

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3

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 July.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy2 starsTrust Score*3 stars

*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 FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Dublin flight deals on Cheapflights vs. FlightHub >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 FlightHub the most. FlightHub 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?

The best time to book flights from Houston George Bush Intcntl Airport to Dublin is 43 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Dublin (average of $492). Flying from Houston George Bush Intcntl Airport to Dublin in July is currently the most expensive (average of $1,189). 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.

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

Airfare is below average for this route at the moment.

Houston George Bush Intcntl Airport to Dublin flights typically cost between $450 and $958 in September.
The cheapest round-trip price found within the last 5 days was $442 on Aer Lingus (Sep 8-Sep 15).

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 July 28, 2026.
See what other customers who have flown with Delta,United Airlines, andAer Lingus 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
7.8
Good
8,483 reviews

Entertainment

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
Delta
7.8
Good
8,483 reviews
Delta
7.8
Good
8,483 reviews

Entertainment

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
United Airlines
7.4
Good
10,042 reviews
Delta
7.8
Good
8,483 reviews

Entertainment

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
Aer Lingus
7.3
Good
1,682 reviews
Delta
7.8
Good
8,483 reviews

Entertainment

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
American Airlines
7.1
Good
11,837 reviews
Delta
7.8
Good
8,483 reviews

Entertainment

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.
British Airways
6.7
Okay
8,130 reviews
Delta
7.8
Good
8,483 reviews

Entertainment

7.8

Overall

7.8

Food

7.2

Boarding

8.1

Comfort

7.8

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Stacey-Ann,Aug 2023

IAH - ATL

The staff made boarding as easy as possible. Although it was a full flight, everyone was seated in a timely manner and we arrived early.

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 9 different airlines.

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

    United Airlines, Delta, and British Airways can get you from Houston George Bush Intcntl Airport to Dublin in just under 13h 45m. Your travel time can differ by up to 19h 55m. 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 Aer Lingus and KLM, with the lowest prices starting at $411 and $443, respectively. These flights start at 87% 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, January is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Dublin (average of $492). Flying from Houston George Bush Intcntl Airport to Dublin in July is currently the most expensive (average of $1,189). 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 George Bush Intcntl to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
George Bush Intcntl to Shannon flights

Top 9 airlines flying from George Bush Intcntl to Dublin

Discover the top 9 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 July 28, 2026.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$855FlexibilityNo cancel feeOn-time62%
Aer LingusCheapest$411Average$449FlexibilityNo cancel feeOn-timeN/A
KLMCheapest$443Average$774FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$567Average$959FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$575Average$724FlexibilityNo cancel feeOn-time70%
American AirlinesCheapest$586Average$993FlexibilityNo cancel feeOn-time71%
IberiaCheapest$601Average$816FlexibilityNo cancel feeOn-time77%
DeltaCheapest$633Average$918FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$650Average$670FlexibilityNo cancel feeOn-time77%

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