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$497+ Cheap flights from Ireland to Houston

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 4/7. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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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 February 20, 2025.

Round-trip from

$497
(Mytrip)

Popular in

March

Cheapest in

January

Average price

$794
From Ireland to Houston
Search Deals
High demand for flights, 0% potential price rise
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 February 2025
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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 February 20, 2025.

This Mytrip deal was found by Cheapflights users on 2/20. 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 4/711:35 amDUB - IAH
3 stops34h 51mMultiple Airlines
Mon 4/149:25 pmIAH - DUB
3 stops30h 50mMultiple Airlines
Deal found 2/20$497
This FlightHub deal was found by Cheapflights users on 2/19. 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.
Wed 3/194:55 pmDUB - IAH
1 stop32h 30mTurkish Airlines
Wed 3/2610:20 pmIAH - DUB
1 stop34h 20mTurkish Airlines
Deal found 2/19$641
This British Airways deal was found by Cheapflights users on 2/20. 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.
Fri 4/258:15 pmDUB - IAH
1 stop23h 20mBritish Airways
Sat 5/33:20 pmIAH - DUB
1 stop12h 15mBritish Airways
Deal found 2/20$733
This American Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 3/132:05 pmDUB - IAH
2 stops14h 52mAmerican Airlines
Thu 3/2010:45 pmIAH - DUB
1 stop13h 40mAmerican Airlines
Deal found 2/20$742
This Iberia deal was found by Cheapflights users on 2/20. 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.
Sun 4/612:40 pmDUB - HOU
1 stop17h 16mIberia
Sun 4/132:10 pmHOU - DUB
1 stop13h 35mIberia
Deal found 2/20$751
This Kissandfly.com deal was found by Cheapflights users on 2/19. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/212:40 pmDUB - HOU
1 stop13h 03mBritish Airways
Wed 4/99:14 amHOU - DUB
2 stops14h 16mBritish Airways
Deal found 2/19$753
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Wed 3/59:00 amDUB - IAH
1 stop18h 14mUnited Airlines
Wed 3/128:40 amIAH - DUB
2 stops20h 25mUnited Airlines
Deal found 2/19$759
This American Airlines deal was found by Cheapflights users on 2/19. 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.
Fri 5/212:40 pmDUB - HOU
1 stop17h 16mAmerican Airlines
Mon 5/122:22 pmHOU - DUB
1 stop13h 23mAmerican Airlines
Deal found 2/19$764
This Delta deal was found by Cheapflights users on 2/19. 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 3/75:55 amDUB - HOU
2 stops22h 34mDelta
Tue 3/116:00 amHOU - DUB
2 stops29h 40mDelta
Deal found 2/19$783
This Delta deal was found by Cheapflights users on 2/20. 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 3/65:55 amDUB - IAH
2 stops22h 25mDelta
Wed 3/1912:07 pmIAH - DUB
2 stops19h 33mDelta
Deal found 2/20$797
This KLM deal was found by Cheapflights users on 2/20. 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 3/612:00 pmDUB - HOU
1 stop16h 29mKLM
Wed 3/1910:41 amHOU - DUB
1 stop18h 04mKLM
Deal found 2/20$805
This Gotogate deal was found by Cheapflights users on 2/20. 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.
Thu 3/66:40 pmDUB - IAH
2 stops26h 00mSWISS
Wed 3/194:55 pmIAH - DUB
2 stops19h 55mSWISS
Deal found 2/20$875

Find flights from Ireland to Houston within your budget

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 February 20, 2025.

Fly from

Ireland

Fly to

Houston

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 4/7

11:35 am-4:26 pm

3 stops34h 51m

Houston George Bush Intcntl

Mon 4/14

9:25 pm-10:15 am

3 stops30h 50m

$497

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 3/19

4:55 pm-8:25 pm

1 stop32h 30m

Houston George Bush Intcntl

Wed 3/26

10:20 pm-1:40 pm

1 stop34h 20m

$641

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 4/25

8:15 pm-1:35 pm

1 stop23h 20m

Houston George Bush Intcntl

Sat 5/3

3:20 pm-9:35 am

1 stop12h 15m

$733

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 3/13

2:05 pm-11:57 pm

2 stops14h 52m

Houston George Bush Intcntl

Thu 3/20

10:45 pm-5:25 pm

1 stop13h 40m

$742

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sun 4/6

12:40 pm-11:56 pm

1 stop17h 16m

Houston Hobby

Sun 4/13

2:10 pm-9:45 am

1 stop13h 35m

$751

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 3/5

9:00 am-9:14 pm

1 stop18h 14m

Houston George Bush Intcntl

Wed 3/12

8:40 am-10:05 am

2 stops20h 25m

$759

DublinHouston

DUB - HOU

DUBHOU

Dublin

Thu 3/6

5:55 am-5:42 pm

2 stops17h 47m

Houston Hobby

Wed 3/19

6:00 am-9:45 am

1 stop22h 45m

$796

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 3/6

5:55 am-10:20 pm

2 stops22h 25m

Houston George Bush Intcntl

Wed 3/19

12:07 pm-12:40 pm

2 stops19h 33m

$797

DublinHouston

DUB - HOU

DUBHOU

Dublin

Thu 3/6

12:00 pm-10:29 pm

1 stop16h 29m

Houston Hobby

Wed 3/19

10:41 am-9:45 am

1 stop18h 04m

$805

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 3/6

6:40 pm-2:40 pm

2 stops26h 00m

Houston George Bush Intcntl

Wed 3/19

4:55 pm-5:50 pm

2 stops19h 55m

$875

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/20

Showing 1-10 of 31 results
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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.

Travel insights for flights from Ireland to Houston

Get recent, data-driven insights about flights from Ireland to Houston including ideal travel times, pricing trends, and more.

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 February 20, 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 February 20, 2025.
Get a feel of what it's like to fly with Delta, KLM and Finnair 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
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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
8,219 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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
1,333 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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

Finnair
7.6
Good
1,274 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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
1,568 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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
1,449 reviews
Delta
8.0
Very good
8,219 reviews

Food

7.3

Crew

8.5

Entertainment

7.9

Boarding

8.2

Comfort

8.0

Overall

8.0

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 ($696), British Airways ($747), and Iberia ($1,020).

  • 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

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Alternative routes for Ireland to Houston

See prices for flight routes from nearby airports that may be better suited for you.
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Top airline flying from Ireland to Houston

Discover the top airline 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 February 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest$820Average$917FlexibilityNo cancel feeOn-time70%
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