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$325+ Cheap flights from Dublin (DUB) to Houston

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 10/21. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
out 11 — out 181
sáb 10/11
sáb 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from Dublin to Houston are usually found in January or September, booked 60 days in advance, depart on a Monday or Tuesday and return on a Tuesday

Cheap flight deals from Dublin to Houston

Discover tips and strategies to find the most affordable flight options for your journey from Dublin (DUB) to Houston (HO1). 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 setembro 11, 2025.

Round-trip from

$602
(Trip.com)

One-way from

$325
(Kiwi.com)

Popular in

April

Cheapest in

January

Average price

$751
From Dublin to Houston
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One-way flight from Dublin to Houston
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Highest demand for flights based on searches. 5% potential increase in price ($47 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Dublin to Houston

Cheapest flights from Dublin to Houston
Explore the most affordable flight options available from Dublin to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on setembro 11, 2025.

This Trip.com deal was found by Cheapflights users on 9/11. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/312:50 pmDUB - IAH
1 stop15h 53mWestJet
qui 10/163:00 pmIAH - DUB
1 stop13h 50mWestJet
Deal found 9/11$602
This Mytrip deal was found by Cheapflights users on 9/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 9/2711:35 amDUB - IAH
2 stops26h 20mMultiple Airlines
qua 10/15:50 amIAH - DUB
2 stops22h 20mMultiple Airlines
Deal found 9/11$608
This Gotogate deal was found by Cheapflights users on 9/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/1012:50 pmDUB - IAH
1 stop15h 53mWestJet
qui 10/233:00 pmIAH - DUB
1 stop13h 50mWestJet
Deal found 9/10$613
This Mytrip deal was found by Cheapflights users on 9/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 9/261:25 pmDUB - IAH
2 stops21h 05mMultiple Airlines
ter 9/3010:20 amIAH - DUB
1 stop12h 45mMultiple Airlines
Deal found 9/10$616
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/1012:50 pmDUB - IAH
1 stop15h 53mMultiple Airlines
sex 10/178:37 pmIAH - DUB
2 stops55h 28mMultiple Airlines
Deal found 9/10$623
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/312:50 pmDUB - IAH
1 stop15h 53mMultiple Airlines
qui 10/166:44 amIAH - DUB
2 stops22h 06mMultiple Airlines
Deal found 9/9$625
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 11/127:05 amDUB - IAH
2 stops31h 27mMultiple Airlines
qua 11/197:00 amIAH - DUB
1 stop16h 15mMultiple Airlines
Deal found 9/10$632
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/1012:50 pmDUB - IAH
1 stop15h 53mMultiple Airlines
qui 10/238:37 pmIAH - DUB
2 stops32h 53mMultiple Airlines
Deal found 9/10$633
This Delta deal was found by Cheapflights users on 9/11. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 11/215:55 amDUB - HOU
2 stops23h 51mDelta
qua 12/36:47 pmHOU - DUB
2 stops14h 58mDelta
Deal found 9/11$816
This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 10/2112:40 pmDUB - HOU
1 stop15h 34mAmerican Airlines
seg 11/312:15 pmHOU - DUB
2 stops15h 35mAmerican Airlines
Deal found 9/10$817
This Delta deal was found by Cheapflights users on 9/10. 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.
qui 10/305:55 amDUB - HOU
2 stops16h 53mDelta
qui 11/136:00 amHOU - DUB
2 stops27h 45mDelta
Deal found 9/10$819
This Delta deal was found by Cheapflights users on 9/8. 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.
qui 10/305:55 amDUB - HOU
2 stops22h 05mDelta
qua 11/122:32 pmHOU - DUB
1 stop11h 13mDelta
Deal found 9/8$820

Cheapflights Fare Finder

 
Customize your flight search to find flights from Dublin to Houston 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 setembro 11, 2025.
Use the filters below to find and compare flights from Dublin to Houston that are best for you.

Fly from

Dublin

Fly to

Houston

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

sex 10/3

12:50 pm-10:43 pm

1 stop15h 53m

Houston George Bush Intcntl

qui 10/16

3:00 pm-10:50 am

1 stop13h 50m

$602

DublinHouston

DUB - IAH

DUBIAH

Dublin

sáb 9/27

11:35 am-8:24 am

3 stops26h 49m

Houston George Bush Intcntl

qua 10/1

5:50 am-10:10 am

2 stops22h 20m

$609

DublinHouston

DUB - IAH

DUBIAH

Dublin

sex 10/3

12:50 pm-10:43 pm

1 stop15h 53m

Houston George Bush Intcntl

qui 10/16

7:59 pm-11:30 am

2 stops33h 31m

$644

DublinHouston

DUB - IAH

DUBIAH

Dublin

ter 10/21

9:35 pm-7:42 pm

2 stops52h 07m

Houston George Bush Intcntl

qua 11/5

6:00 am-5:15 am

1 stop17h 15m

$652

DublinHouston

DUB - IAH

DUBIAH

Dublin

qui 10/9

8:20 am-10:00 am

2 stops31h 40m

Houston George Bush Intcntl

seg 10/13

8:00 am-10:50 am

1 stop20h 50m

$698

DublinHouston

DUB - IAH

DUBIAH

Dublin

qui 10/16

4:55 pm-12:40 pm

1 stop25h 45m

Houston George Bush Intcntl

seg 11/10

9:05 pm-9:40 am

1 stop30h 35m

$741

DublinHouston

DUB - IAH

DUBIAH

Dublin

sex 11/21

7:20 am-7:10 pm

1 stop41h 50m

Houston George Bush Intcntl

qua 12/3

2:55 pm-3:30 pm

1 stop18h 35m

$746

DublinHouston

DUB - IAH

DUBIAH

Dublin

qua 10/22

5:00 pm-7:05 pm

1 stop32h 05m

Houston George Bush Intcntl

qua 11/5

2:55 pm-10:10 pm

1 stop25h 15m

$767

DublinHouston

DUB - IAH

DUBIAH

Dublin

ter 10/21

4:55 pm-12:40 pm

1 stop25h 45m

Houston George Bush Intcntl

ter 11/4

9:05 pm-10:10 pm

1 stop19h 05m

$767

DublinHouston

DUB - IAH

DUBIAH

Dublin

dom 10/26

3:25 pm-8:10 pm

1 stop33h 45m

Houston George Bush Intcntl

qua 11/5

9:05 pm-10:10 pm

1 stop19h 05m

$774

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Showing 1-10 of 38 results
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Best time to book a flight from Dublin to Houston

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

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

Use this chart to determine the optimal time to book a round-trip flight from Dublin to Houston. Price data was last updated on August 29, 2025.

To ensure you get the cheapest price possible for a flight from Dublin to Houston, you should look to book at least 59 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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

Currently, September is the cheapest month in which you can book a flight from Dublin to Houston (average of $230). Flying from Dublin to Houston in March is currently the most expensive (average of $331). 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 Dublin to Houston?

Reviews of airlines servicing Houston

Get insights into the airlines that provide service to Houston. 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 Houston. Reviews last updated setembro 11, 2025.
Peruse reviews from past customers who have flown with American Airlines from Dublin to Houston to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Food

6.4

Boarding

7.5

Comfort

7.2

Overall

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Food

6.4

Boarding

7.5

Comfort

7.2

Overall

7.2

Crew

8.0

Reviews

1 / 20
10.0
Excellent

Anonymous,Jan 2025

PIT - DFW

Due to gate changes,we nearly missed our flight. The gate agent reassigned our seats and would NOT give us our assigned seats,but she did honor that same request to the man who arrived after us. Her rudeness and difficulty was not appropriate.

Related info for your journey

Find useful and relevant information for your journey from Dublin to Houston. 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 from for flights from Dublin to Houston?

    If you book a flight to Houston from Dublin, you will be flying from 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 Dublin to Houston per day from 1 airline.

  • How long is the flight from Dublin to Houston?

    WestJet, Delta, and American Airlines can get you from Dublin to Houston in just under 15h 34m. Your travel time can differ by up to 8h 17m. The distance between Dublin and Houston is about 4560 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What is the cheapest airline to fly from Dublin to Houston round-trip?

    According to our current data, American Airlines ($686), offers the cheapest pricing from Dublin to Houston. American Airlines is currently priced 19% below the average price you’ll pay for this route.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Dublin to Houston 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 Dublin to Houston?

    Currently, September is the cheapest month in which you can book a flight from Dublin to Houston (average of $230). Flying from Dublin to Houston in March is currently the most expensive (average of $331). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Dublin to Houston

Discover the top airline that operate flights from Dublin to Houston. 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 setembro 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$686Average$968FlexibilityNo cancel feeOn-time71%

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