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$352+ 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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — DUB
May 4 — May 111
Sun 5/4
Sun 5/11
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 49 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 April 29, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$704
(Delta)

One-way from

$352
(Kiwi.com)

Popular in

June

Cheapest in

November

Average price

$922
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. 22% potential increase in price ($264 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 29, 2025.

This Delta deal was found by Cheapflights users on 4/28. 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 10/263:25 pmIAH - DUB
2 stops19h 15mDelta
Mon 11/38:50 amDUB - IAH
2 stops21h 06mDelta
Deal found 4/28$704
This Air Canada deal was found by Cheapflights users on 4/29. 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.
Thu 8/1410:00 amIAH - DUB
2 stops16h 15mAir Canada
Mon 8/259:20 amDUB - IAH
1 stop16h 16mAir Canada
Deal found 4/29$706
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/269:32 pmIAH - DUB
1 stop30h 13mUnited Airlines
Fri 8/89:50 amDUB - IAH
1 stop18h 17mUnited Airlines
Deal found 4/28$707
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/166:22 pmIAH - DUB
1 stop11h 18mIberia
Fri 9/2612:40 pmDUB - IAH
1 stop13h 24mIberia
Deal found 4/29$716
This Lufthansa deal was found by Cheapflights users on 4/28. 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 Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/318:06 pmIAH - DUB
2 stops15h 34mLufthansa
Mon 11/175:25 pmDUB - IAH
1 stop27h 15mLufthansa
Deal found 4/28$720
This Cheapflightsfares deal was found by Cheapflights users on 4/29. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/159:00 pmIAH - DUB
1 stop13h 20mBritish Airways
Sun 8/248:25 pmDUB - IAH
1 stop23h 15mBritish Airways
Deal found 4/29$723
This Air Canada deal was found by Cheapflights users on 4/28. 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.
Fri 8/112:15 pmIAH - DUB
2 stops13h 30mMultiple Airlines
Wed 8/69:50 amDUB - IAH
2 stops39h 46mMultiple Airlines
Deal found 4/28$746
This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/288:00 amIAH - DUB
1 stop15h 30mAmerican Airlines
Wed 6/49:30 amDUB - IAH
2 stops13h 59mAmerican Airlines
Deal found 4/29$750
This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/19:00 pmIAH - DUB
1 stop36h 55mTurkish Airlines
Wed 10/151:35 pmDUB - IAH
1 stop35h 30mTurkish Airlines
Deal found 4/28$763
This Scandinavian Airlines deal was found by Cheapflights users on 4/28. 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 Scandinavian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/141:15 pmIAH - DUB
2 stops23h 00mScandinavian Airlines
Sun 8/249:45 pmDUB - IAH
3 stops29h 35mScandinavian Airlines
Deal found 4/28$793
This JetBlue deal was found by Cheapflights users on 4/28. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/71:25 pmIAH - DUB
1 stop12h 55mJetBlue
Thu 5/2210:40 amDUB - IAH
1 stop13h 23mJetBlue
Deal found 4/28$826
This FlightHub deal was found by Cheapflights users on 4/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/299:00 pmIAH - DUB
1 stop16h 35mAer Lingus
Fri 10/34:40 pmDUB - IAH
1 stop22h 56mAer Lingus
Deal found 4/27$895

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 April 29, 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

Sun 10/26

3:25 pm-3:40 pm

2 stops19h 15m

Dublin

Mon 11/3

8:50 am-11:56 pm

2 stops21h 06m

$704

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Thu 8/14

10:00 am-8:15 am

2 stops16h 15m

Dublin

Mon 8/25

9:20 am-7:36 pm

1 stop16h 16m

$706

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sat 7/26

9:32 pm-9:45 am

1 stop30h 13m

Dublin

Fri 8/8

9:50 am-10:07 pm

1 stop18h 17m

$707

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 9/16

6:22 pm-11:40 am

1 stop11h 18m

Dublin

Fri 9/26

12:40 pm-8:04 pm

1 stop13h 24m

$716

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Fri 8/15

9:00 pm-4:20 pm

1 stop13h 20m

Dublin

Sun 8/24

8:25 pm-1:40 pm

1 stop23h 15m

$723

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Fri 8/1

12:15 pm-7:45 am

2 stops13h 30m

Dublin

Wed 8/6

9:50 am-7:36 pm

2 stops39h 46m

$746

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 5/28

8:00 am-5:30 am

1 stop15h 30m

Dublin

Wed 6/4

9:30 am-5:29 pm

2 stops13h 59m

$750

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 10/1

9:00 pm-3:55 pm

1 stop36h 55m

Dublin

Wed 10/15

1:35 pm-7:05 pm

1 stop35h 30m

$763

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Thu 8/14

1:15 pm-6:15 pm

2 stops23h 00m

Dublin

Sun 8/24

9:45 pm-9:20 pm

3 stops29h 35m

$793

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 5/11

1:25 pm-8:20 am

1 stop12h 55m

Dublin

Fri 5/23

10:40 am-6:03 pm

1 stop13h 23m

$826

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/28

Showing 1-10 of 17 results
1
2

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 April.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*2 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
JetabroadPrice Accuracy3 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 AranGrant to be most consistent on Cheapflights vs. AranGrant Users can find the same prices on Houston George Bush Intcntl Airport-Dublin flight deals on Cheapflights vs. AranGrant >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 AranGrant the most. AranGrant 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 April 25, 2025.

The best time to book flights from Houston George Bush Intcntl Airport to Dublin is 49 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Dublin (average of $509). Flying from Houston George Bush Intcntl Airport to Dublin in June is currently the most expensive (average of $981). 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 April 29, 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 7% 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.

Rainfall in Dublin by month

Plan your trip to Dublin by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Dublin ranges from 1.9 - 3.1 inches per month. October is typically the wettest month, when rainfall can reach 3.1 in. February is typically the driest time to visit Dublin when rainfall is around 1.9 in.

Temperature in Dublin by month

Plan your trip to Dublin by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Dublin, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 60.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 41.0 F).

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 April 29, 2025.
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Delta
8.0
Very good
7,936 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
KLM
7.8
Good
1,333 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
United Airlines
7.4
Good
8,696 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
JetBlue
7.3
Good
2,922 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.
Turkish Airlines
7.3
Good
3,788 reviews
Delta
8.0
Very good
7,936 reviews

Entertainment

7.9

Boarding

8.2

Comfort

7.9

Food

7.3

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

LAX - LHR

This was a flight operated by Virgin Atlantic in their Upper Class cabin. Overall, an outstanding experience.

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.

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

    Flying on Delta is currently your cheapest option to Dublin, with prices starting at $704. Additional round-trip tickets that might be worth considering are offered by Air Canada and United Airlines, with the lowest prices starting at $706 and $707, respectively. These flights start at 23% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Dublin one-way?

    To fly one-way, consider booking your trip with Aer Lingus, which is currently one of the cheapest options available, starting at $438. British Airways flights start at $487 while deals on WestJet start at $2,161 one-way.

  • 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, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Dublin (average of $509). Flying from Houston George Bush Intcntl Airport to Dublin in June is currently the most expensive (average of $981). 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 Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport 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
Hobby to Shannon flights
George Bush Intcntl to Shannon flights
Hobby to Cork flights
George Bush Intcntl to Cork flights
George Bush Intcntl to Milltown (Kerry) 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 April 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
Singapore AirlinesCheapest$552Average$721FlexibilityNo cancel feeOn-time81%
DeltaCheapest$612Average$1,050FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$619Average$976FlexibilityNo cancel feeOn-time69%
British AirwaysCheapest$621Average$969FlexibilityNo cancel feeOn-time70%
KLMCheapest$638Average$1,156FlexibilityNo cancel feeOn-time75%
Air FranceCheapest$655Average$973FlexibilityNo cancel feeOn-time77%
American AirlinesCheapest$717Average$1,023FlexibilityNo cancel feeOn-time71%
IberiaCheapest$761Average$1,014FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$783Average$1,069FlexibilityNo cancel feeOn-timeN/A

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