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$228+ Cheap flights from Houston 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 1/25. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DUB
Nov 28 — Dec 51
Fri 11/28
Fri 12/5
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Dublin are usually found in January or November, booked 9 days in advance, depart on a Tuesday or Thursday and return on a Monday

Find flight deals from Houston to Dublin

Cheapest flights from Houston to Dublin
Explore the most affordable flight options available from Houston to Dublin. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 29, 2025.

This Delta deal was found by Cheapflights users on 10/28. 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.
Mon 11/1012:35 pmIAH - DUB
2 stops14h 10mDelta
Wed 11/269:45 amDUB - IAH
1 stop35h 23mDelta
Deal found 10/28$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.
Sun 11/95:15 amIAH - DUB
1 stop20h 30mDelta
Tue 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.
Tue 12/211:02 amIAH - DUB
1 stop14h 43mKLM
Tue 12/99:45 amDUB - IAH
1 stop14h 02mKLM
Deal found 10/27$433
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.
Wed 11/262:32 pmHOU - DUB
1 stop11h 13mMultiple Airlines
Wed 12/39:45 amDUB - HOU
1 stop19h 03mMultiple Airlines
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.
Tue 12/211:02 amIAH - DUB
1 stop14h 43mMultiple Airlines
Tue 12/910:45 amDUB - IAH
2 stops17h 38mMultiple Airlines
Deal found 10/27$438
This Delta deal was found by Cheapflights users on 10/28. 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.
Tue 12/26:00 amHOU - DUB
2 stops19h 45mDelta
Tue 12/99:45 amDUB - HOU
2 stops29h 49mDelta
Deal found 10/28$438
This Delta deal was found by Cheapflights users on 10/28. 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 12/75:10 amIAH - DUB
1 stop20h 35mDelta
Tue 12/168:45 amDUB - IAH
2 stops19h 38mDelta
Deal found 10/28$452
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/168:30 pmIAH - DUB
1 stop29h 40mUnited Airlines
Fri 12/129:00 amDUB - IAH
1 stop32h 09mUnited Airlines
Deal found 10/29$456
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.
Mon 11/34:05 pmIAH - DUB
1 stop17h 40mMultiple Airlines
Mon 11/105:15 pmDUB - IAH
1 stop26h 15mMultiple Airlines
Deal found 10/27$458
This Mytrip deal was found by Cheapflights users on 10/29. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/104:30 pmIAH - DUB
1 stop17h 55mMultiple Airlines
Wed 11/269:00 amDUB - IAH
1 stop18h 44mMultiple Airlines
Deal found 10/29$462
This lastminute.com deal was found by Cheapflights users on 10/29. 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 lastminute.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/106:25 pmIAH - DUB
1 stop30h 45mAir Canada
Wed 11/269:00 amDUB - IAH
2 stops18h 39mAir Canada
Deal found 10/29$463
This United Airlines deal was found by Cheapflights users on 10/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/184:24 pmIAH - DUB
1 stop11h 31mUnited Airlines
Wed 12/109:00 amDUB - IAH
1 stop18h 44mUnited Airlines
Deal found 10/29$468

Cheap flight deals from Houston to Dublin

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) 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 October 29, 2025.

Round-trip from

$425
(Delta)

One-way from

$228
(Kiwi.com)

Popular in

December

Cheapest in

January

Average price

$726
From Houston to Dublin
Search Deals
One-way flight from Houston to Dublin
Search Deals
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).
Search Deals
Average for round-trip flights in October 2025
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Houston 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 October 29, 2025.
Use the filters below to find and compare flights from Houston to Dublin that are best for you.

Fly from

Houston

Fly to

Dublin

Route

Depart

Return

Price

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/9

12:35 pm-7:45 am

1 stop13h 10m

Dublin

Tue 11/25

9:45 am-5:50 pm

1 stop14h 05m

$425

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 11/10

12:35 pm-8:45 am

2 stops14h 10m

Dublin

Wed 11/26

9:45 am-3:08 pm

1 stop35h 23m

$425

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-5:47 pm

1 stop14h 02m

$433

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Wed 11/26

12:35 pm-7:45 am

1 stop13h 10m

Dublin

Wed 12/3

11:30 am-9:11 pm

2 stops15h 41m

$438

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 12/2

6:00 am-8:45 am

2 stops20h 45m

Dublin

Tue 12/9

10:45 am-9:34 am

2 stops28h 49m

$438

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Sun 11/9

2:32 pm-7:45 am

1 stop11h 13m

Dublin

Tue 11/25

9:45 am-11:07 pm

2 stops19h 22m

$438

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sat 11/22

9:43 pm-8:10 am

1 stop28h 27m

Dublin

Fri 12/12

9:00 am-11:09 am

1 stop32h 09m

$456

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 12/2

8:15 pm-8:10 am

1 stop29h 55m

Dublin

Wed 12/10

9:00 am-9:11 am

1 stop30h 11m

$456

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 11/16

9:43 pm-8:10 am

1 stop28h 27m

Dublin

Wed 12/10

9:00 am-9:11 am

1 stop30h 11m

$456

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Mon 11/17

8:30 pm-8:10 am

1 stop29h 40m

Dublin

Wed 12/10

9:00 am-9:11 am

1 stop30h 11m

$456

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 30 results
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2
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Best time to book a flight from Houston to Dublin

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

How far ahead should I book a flight from Houston to Dublin?

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

Booking 9 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Dublin. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

What is the cheapest month to book a flight from Houston to Dublin?

Currently, August is the cheapest month in which you can book a flight from Houston to Dublin (average of $351). Flying from Houston to Dublin 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 DUB?

Find hourly flight availability from Houston 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 October 29, 2025.

It’s typically best to fly out from Houston to Dublin in the afternoon. Doing so could potentially save you 9% on the flight price compared to flying in the morning, which is usually more expensive.

What is the cheapest day to fly from Houston to Dublin?

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

Travelers seeking maximum savings on their Houston to Dublin flight should consider departing on Wednesday mornings when fares are most often at their lowest. Monday 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 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 October 29, 2025.
Read through reviews of airlines operating flights from Houston to Dublin, such as Delta, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
7.9
Good
7,994 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
7,994 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
9,001 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
11,032 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
3,001 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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
7,483 reviews
Delta
7.9
Good
7,994 reviews

Food

7.3

Overall

7.9

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Crew

8.5

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 Houston 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?

    Dublin (DUB), located 5.7 mi from the city center, is the airport you fly into when you book flights from Houston to Dublin. 11 airlines have flights to Dublin from Houston on a regular basis. Booking flights from Houston to Dublin should not be difficult; the airport handles an average of 0 inbound flights from Houston per day.

  • How long is the flight from Houston to Dublin?

    For as low as $425, Delta can have you in Dublin from Houston in 13h 10m. There are 4545 mi between Houston and Dublin. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Houston to Dublin round-trip?

    Cheapflights users have booked flights from Houston to Dublin round-trip from $101. Other airlines that can offer you cheap pricing are KLM, from $363, and British Airways, from $442. JetBlue is currently priced 88% below the average price you’ll pay for this route.

  • Can I find deals for flights from Houston to Dublin that include hotel bookings?

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

  • How can I find direct flights from Houston to Dublin?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Dublin.

  • Can I find deals for business class flights from Houston to Dublin?

    Yes. Cheapflights offers flight deals from Houston 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 to Dublin?

    Currently, August is the cheapest month in which you can book a flight from Houston to Dublin (average of $351). Flying from Houston to Dublin 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

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 Houston to Dublin

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from Houston to Dublin

Discover the top 10 airlines that operate flights from Houston 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 October 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$625FlexibilityNo cancel feeOn-time62%
KLMCheapest$363Average$916FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$442Average$866FlexibilityNo cancel feeOn-time70%
IberiaCheapest$541Average$962FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$547Average$900FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$575Average$856FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$591Average$720FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$611Average$1,009FlexibilityNo cancel feeOn-time71%
Turkish AirlinesCheapest$640Average$679FlexibilityNo cancel feeOn-time77%
DeltaCheapest$644Average$862FlexibilityNo cancel feeOn-timeN/A

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