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$252+ 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 3/22. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — DUB
Jan 11 — Jan 181
Sun 1/11
Sun 1/18
1 adult, Economy
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Cheapflights Tip: The best prices from Houston to Dublin are usually found in March or November, booked 9 days in advance, depart on a Tuesday or Thursday and return on a Monday

Cheap 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 December 12, 2025.

This United Airlines deal was found by Cheapflights users on 12/11. 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 12/289:35 pmIAH - DUB
1 stop28h 35mUnited Airlines
Sat 1/109:00 amDUB - IAH
1 stop32h 09mUnited Airlines
Deal found 12/11$739
This United Airlines deal was found by Cheapflights users on 12/11. 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.
Fri 12/265:05 pmIAH - DUB
1 stop33h 05mUnited Airlines
Fri 1/99:00 amDUB - IAH
1 stop32h 09mUnited Airlines
Deal found 12/11$740
This Gotogate deal was found by Cheapflights users on 12/11. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/286:40 pmIAH - DUB
1 stop31h 30mMultiple Airlines
Sat 1/109:00 amDUB - IAH
1 stop18h 44mMultiple Airlines
Deal found 12/11$750
This FlightHub deal was found by Cheapflights users on 12/11. 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.
Fri 12/2612:10 pmIAH - DUB
2 stops37h 00mAir Canada
Fri 1/99:00 amDUB - IAH
1 stop18h 44mAir Canada
Deal found 12/11$755
This Air Canada deal was found by Cheapflights users on 12/10. 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.
Wed 12/2412:10 pmIAH - DUB
2 stops37h 00mAir Canada
Fri 1/99:00 amDUB - IAH
2 stops42h 39mAir Canada
Deal found 12/10$758
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/279:35 pmIAH - DUB
1 stop28h 35mUnited Airlines
Sat 1/109:00 amDUB - IAH
2 stops21h 13mUnited Airlines
Deal found 12/10$766
This United Airlines deal was found by Cheapflights users on 12/10. 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 12/282:20 pmIAH - DUB
1 stop11h 50mUnited Airlines
Fri 1/99:00 amDUB - IAH
1 stop18h 44mUnited Airlines
Deal found 12/10$768
This Delta deal was found by Cheapflights users on 12/10. 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 12/283:30 pmIAH - DUB
1 stop15h 10mDelta
Fri 1/910:45 amDUB - IAH
2 stops19h 11mDelta
Deal found 12/10$774
This Air Canada deal was found by Cheapflights users on 12/10. 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.
Sat 12/2712:10 pmIAH - DUB
2 stops37h 00mAir Canada
Fri 1/99:00 amDUB - IAH
2 stops42h 39mAir Canada
Deal found 12/10$777
This oojo deal was found by Cheapflights users on 12/10. 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.
Thu 12/2512:09 pmHOU - DUB
2 stops15h 41mBritish Airways
Wed 1/78:40 pmDUB - HOU
2 stops25h 32mBritish Airways
Deal found 12/10$1,022
This oojo deal was found by Cheapflights users on 12/11. 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.
Tue 12/308:16 pmHOU - DUB
2 stops33h 59mBritish Airways
Mon 1/58:40 pmDUB - HOU
2 stops25h 32mBritish Airways
Deal found 12/11$1,041
This Finnair deal was found by Cheapflights users on 12/11. 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 Finnair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/2612:09 pmHOU - DUB
1 stop13h 01mMultiple Airlines
Tue 1/61:00 pmDUB - HOU
1 stop15h 46mMultiple Airlines
Deal found 12/11$1,048

Find 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 December 12, 2025.

Round-trip from

$540
(Mytrip)

One-way from

$301
(Cheapflightsfares)

Popular in

June

Cheapest in

March

Average price

$1,053
From Houston to Dublin
Search Deals
One-way flight from Houston to Dublin
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($151 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($21 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 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 December 12, 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

Mon 1/26

4:06 pm-11:45 am

2 stops37h 39m

Dublin

Fri 1/30

12:30 pm-11:56 pm

2 stops41h 26m

$554

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Tue 4/21

9:05 pm-5:05 pm

1 stop14h 00m

Dublin

Tue 4/28

8:35 am-7:15 pm

1 stop16h 40m

$557

HoustonDublin

IAH - DUB

IAHDUB

Houston George Bush Intcntl

Sun 4/5

9:05 pm-4:20 pm

1 stop13h 15m

Dublin

Tue 4/14

8:35 am-7:15 pm

1 stop16h 40m

$557

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 4/21

2:32 pm-9:45 am

1 stop13h 13m

Dublin

Tue 4/28

1:45 pm-11:41 pm

1 stop15h 56m

$583

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Wed 5/6

2:32 pm-9:45 am

1 stop13h 13m

Dublin

Wed 5/13

11:45 am-8:02 pm

1 stop14h 17m

$583

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 4/21

2:32 pm-2:45 pm

2 stops18h 13m

Dublin

Tue 4/28

8:35 am-8:02 pm

2 stops17h 27m

$596

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 5/5

2:32 pm-2:45 pm

2 stops18h 13m

Dublin

Tue 5/12

8:35 am-8:02 pm

2 stops17h 27m

$596

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 3/17

2:05 pm-7:45 am

1 stop12h 40m

Dublin

Tue 3/24

8:50 am-9:40 am

2 stops29h 50m

$637

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 5/5

6:00 am-8:45 am

1 stop20h 45m

Dublin

Tue 5/12

11:10 am-9:20 am

2 stops28h 10m

$640

HoustonDublin

HOU - DUB

HOUDUB

Houston Hobby

Tue 4/21

1:00 pm-8:45 am

1 stop13h 45m

Dublin

Tue 4/28

10:00 am-9:20 am

2 stops29h 20m

$647

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/11

Showing 1-10 of 32 results
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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 December 5, 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 December 12, 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 December 12, 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
8,008 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Delta
7.9
Good
8,008 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
United Airlines
7.4
Good
9,095 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
American Airlines
7.2
Good
11,048 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
Iberia
7.0
Good
3,045 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.
British Airways
6.7
Okay
7,571 reviews
Delta
7.9
Good
8,008 reviews

Boarding

8.1

Entertainment

7.9

Comfort

7.9

Crew

8.5

Overall

7.9

Food

7.3

Reviews

1 / 20
6.0
Good

Jim,Nov 2025

AVL - ATL

The exit row seats without a seat in front are great for leg room but don’t have a fold out entertainment console so you’re forced to use the screen several feet in front of you (there is, at least, a remote). Best to bring a tablet loaded with entertainment or a book.

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 $637, Scandinavian Airlines can have you in Dublin from Houston in 12h 40m. There are 4560 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
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 December 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
JetBlueCheapest$101Average$625FlexibilityNo cancel feeOn-time62%
KLMCheapest$363Average$823FlexibilityNo cancel feeOn-time75%
British AirwaysCheapest$442Average$828FlexibilityNo cancel feeOn-time70%
IberiaCheapest$541Average$948FlexibilityNo cancel feeOn-time77%
Aer LingusCheapest$547Average$888FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$567Average$852FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$591Average$720FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$601Average$996FlexibilityNo cancel feeOn-time71%
DeltaCheapest$638Average$767FlexibilityNo cancel feeOn-timeN/A
Turkish AirlinesCheapest$640Average$702FlexibilityNo cancel feeOn-time77%

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