HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Houston

$318+ Cheap flights from Ireland 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 5/20. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
Apr 27 — May 41
Sun 4/27
Sun 5/4
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Ireland to Houston with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Ireland to Houston

Keep the following information in mind while searching for Ireland to Houston flight deals. Data was last updated April 22, 2025.

Round-trip from

$620
(Mytrip)

One-way from

$318
(Kiwi.com)

Popular in

July

Cheapest in

January

Average price

$761
From Ireland to Houston
Search Deals
One-way flight from Ireland to Houston
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($96 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Ireland to Houston

Cheapest flights from Ireland to Houston
Explore the most affordable flight options available from Ireland to Houston. Find the lowest fares from popular airlines and budget airlines, with prices last updated on April 22, 2025.

This Mytrip deal was found by Cheapflights users on 4/21. 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 4/2811:35 amDUB - IAH
3 stops32h 30mMultiple Airlines
Mon 5/54:35 pmIAH - DUB
3 stops35h 40mMultiple Airlines
Deal found 4/21$632
This FlightHub deal was found by Cheapflights users on 4/21. 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 5/124:55 pmDUB - IAH
1 stop32h 10mTurkish Airlines
Mon 5/192:25 pmIAH - DUB
1 stop37h 10mTurkish Airlines
Deal found 4/21$697
This JetBlue deal was found by Cheapflights users on 4/22. 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 JetBlue is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/111:30 amDUB - IAH
1 stop32h 55mJetBlue
Wed 5/141:25 pmIAH - DUB
1 stop12h 55mJetBlue
Deal found 4/22$730
This Gotogate deal was found by Cheapflights users on 4/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/69:20 amDUB - IAH
1 stop36h 29mAir Canada
Thu 7/34:50 pmIAH - DUB
1 stop32h 55mAir Canada
Deal found 4/22$791
This United Airlines deal was found by Cheapflights users on 4/22. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/19:50 amDUB - IAH
1 stop15h 00mUnited Airlines
Sat 5/1010:10 amIAH - DUB
2 stops15h 10mUnited Airlines
Deal found 4/22$800
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/25:55 amDUB - IAH
1 stop13h 20mDelta
Sat 5/1012:39 pmIAH - DUB
2 stops20h 21mDelta
Deal found 4/22$804
This Delta deal was found by Cheapflights users on 4/22. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/15:55 amDUB - HOU
2 stops23h 13mDelta
Wed 5/1410:22 amHOU - DUB
2 stops15h 53mDelta
Deal found 4/22$809
This Delta deal was found by Cheapflights users on 4/21. 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.
Thu 5/86:00 amORK - IAH
1 stop13h 15mDelta
Mon 5/126:40 pmIAH - ORK
2 stops22h 50mDelta
Deal found 4/21$812
This Iberia deal was found by Cheapflights users on 4/21. 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 Iberia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2012:40 pmDUB - HOU
1 stop13h 04mIberia
Tue 5/272:28 pmHOU - DUB
1 stop13h 17mIberia
Deal found 4/21$813
This KLM deal was found by Cheapflights users on 4/22. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/85:10 pmORK - IAH
1 stop26h 05mKLM
Mon 5/123:30 pmIAH - ORK
1 stop26h 00mKLM
Deal found 4/22$820
This British Airways deal was found by Cheapflights users on 4/22. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/128:40 amDUB - IAH
2 stops18h 50mBritish Airways
Thu 11/209:45 pmIAH - DUB
1 stop16h 05mBritish Airways
Deal found 4/22$834
This Bravofly deal was found by Cheapflights users on 4/22. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/26:00 amDUB - IAH
2 stops17h 37mAir France
Fri 5/164:59 pmIAH - DUB
2 stops35h 46mAir France
Deal found 4/22$872

Cheapflights Fare Finder

Customize your flight search to find flights from Ireland 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 April 22, 2025.
Use the filters below to find and compare flights from Ireland to Houston that are best for you.

Fly from

Ireland

Fly to

Houston

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 6/6

7:05 pm-12:07 am

3 stops35h 02m

Houston George Bush Intcntl

Fri 6/13

6:25 am-7:15 pm

2 stops30h 50m

$633

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 5/12

4:55 pm-7:05 pm

1 stop32h 10m

Houston George Bush Intcntl

Mon 5/19

2:25 pm-9:35 am

1 stop37h 10m

$697

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 5/5

10:40 am-6:03 pm

1 stop13h 23m

Houston George Bush Intcntl

Mon 5/12

11:51 am-9:00 am

1 stop15h 09m

$730

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 6/6

9:20 am-3:49 pm

1 stop36h 29m

Houston George Bush Intcntl

Thu 7/3

4:50 pm-7:45 am

1 stop32h 55m

$791

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 5/5

9:50 am-6:50 pm

1 stop15h 00m

Houston George Bush Intcntl

Mon 5/12

12:10 pm-11:10 am

2 stops17h 00m

$800

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 5/2

5:55 am-1:15 pm

1 stop13h 20m

Houston George Bush Intcntl

Sat 5/10

12:39 pm-3:00 pm

2 stops20h 21m

$804

DublinHouston

DUB - HOU

DUBHOU

Dublin

Tue 5/20

5:55 am-9:17 pm

2 stops21h 22m

Houston Hobby

Tue 5/27

10:22 am-7:55 am

2 stops15h 33m

$812

CorkHouston

ORK - IAH

ORKIAH

Cork

Thu 5/8

6:00 am-1:15 pm

1 stop13h 15m

Houston George Bush Intcntl

Mon 5/12

6:40 pm-11:30 pm

2 stops22h 50m

$812

DublinHouston

DUB - HOU

DUBHOU

Dublin

Tue 5/20

12:40 pm-7:44 pm

1 stop13h 04m

Houston Hobby

Tue 5/27

2:28 pm-9:45 am

1 stop13h 17m

$813

CorkHouston

ORK - IAH

ORKIAH

Cork

Thu 5/8

5:10 pm-1:15 pm

1 stop26h 05m

Houston George Bush Intcntl

Mon 5/12

3:30 pm-11:30 pm

1 stop26h 00m

$820

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 39 results
1
2
3
4

Best time to book a flight from Ireland to Houston

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

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

Currently, September is the cheapest month in which you can book a flight from Ireland to Houston (average of $230). Flying from Ireland to Houston in March is currently the most expensive (average of $334). 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 IE to HOU?

Find hourly flight availability from Ireland to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated April 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ireland to Houston as you normally would.

Rainfall in Houston by month

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

In terms of precipitation, rainfall in Houston ranges from 3.2 - 5.9 inches per month. June is typically the wettest month, when rainfall can reach 5.9 in. February is typically the driest time to visit Houston when rainfall is around 3.2 in.

Temperature in Houston by month

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

If weather is an important factor for your trip to Houston, 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 84.2 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 53.6 F).

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 April 22, 2025.
Get a feel of what it's like to fly with Delta, KLM and SWISS from Ireland to Houston by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Delta
8.0
Very good
7,920 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
KLM
7.8
Good
1,331 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
SWISS
7.5
Good
1,582 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
Air France
7.4
Good
1,441 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception
United Airlines
7.4
Good
8,683 reviews
Delta
8.0
Very good
7,920 reviews

Crew

8.5

Food

7.3

Overall

8.0

Boarding

8.2

Comfort

7.9

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Related info for your journey

Find useful and relevant information for your journey from Ireland to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines to fly from Ireland to Houston one-way?

    The cheapest airlines for a one-way flight from Ireland to Houston are WestJet ($465), JetBlue ($514), and Aer Lingus ($602).

  • What are the most popular routes from Ireland to Houston?

    The most popular flight routes from Ireland to Houston are Dublin - Houston Hobby, Dublin - Houston George Bush Intcntl and Cork - Houston Hobby.

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

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

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

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

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

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

    Currently, September is the cheapest month in which you can book a flight from Ireland to Houston (average of $230). Flying from Ireland to Houston in March is currently the most expensive (average of $334). 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.

Alternative routes for Ireland to Houston

See prices for flight routes from nearby airports that may be better suited for you.
Charles de Gaulle to Dallas/Fort Worth flights
Heathrow to Dallas/Fort Worth flights
Heathrow to Hobby flights
Heathrow to George Bush Intcntl flights
Frankfurt to Dallas/Fort Worth flights
Charles de Gaulle to Hobby flights
Madrid to Dallas/Fort Worth flights
Heathrow to Austin flights
Charles de Gaulle to George Bush Intcntl flights
Frankfurt to Hobby flights
Gatwick to Dallas/Fort Worth flights
Istanbul to Hobby flights
Charles de Gaulle to Love Field flights
Frankfurt to George Bush Intcntl flights
Gatwick to Hobby flights
Heathrow to Love Field flights
Duesseldorf Intl to Dallas/Fort Worth flights
Leonardo da Vinci/Fiumicino to Dallas/Fort Worth flights
Istanbul to George Bush Intcntl flights
London City to Dallas/Fort Worth flights
London City to George Bush Intcntl flights
Gatwick to George Bush Intcntl flights
Frankfurt to Austin flights
Orly to Hobby flights
Dublin to Dallas/Fort Worth flights
Istanbul to Dallas/Fort Worth flights
Barcelona-El Prat to Hobby flights
Frankfurt to Love Field flights
Manchester to Hobby flights
Orly to George Bush Intcntl flights
Amsterdam to Dallas/Fort Worth flights
Amsterdam to Hobby flights
Vicenza to Dallas/Fort Worth flights
Madrid to Hobby flights
Bruxelles-National to Dallas/Fort Worth flights
Barcelona-El Prat to Dallas/Fort Worth flights
Gatwick to Austin flights
Barcelona-El Prat to George Bush Intcntl flights
Manchester to George Bush Intcntl flights
Madrid to George Bush Intcntl flights
Amsterdam to George Bush Intcntl flights
Duesseldorf Intl to Love Field flights
Helsinki to Dallas/Fort Worth flights
Munich to Hobby flights
Frederic Chopin to Hobby flights
Edinburgh to Dallas/Fort Worth flights
Madrid to Love Field flights

Top 2 airlines flying from Ireland to Houston

Discover the top 2 airlines that operate flights from Ireland 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 April 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$686Average$968FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$787Average$972FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.