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Cheap flights from Ireland to Houston from £484

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 29/12. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
3 Dec — 10 Dec1
1 adult
1 adult, Economy, 0 bags

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 3 November 2025.

Round-trip from

£579

One-way from

£484

Popular in

April

Cheapest in

January

Average price

£604
Turkish Airlines
  • Turkish Airlines
  • 20/2-24/2
  • 2 total stops
  • 69h 05m total
  • Ireland to Houston
Search Deals
29/12
  • 29/12
  • 1 total stop
  • 25h 37m total
  • Ireland to Houston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£15 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£9 potential savings vs. average return price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Find flight deals from Ireland to Houston

Enter your travel dates to find the best prices.

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 3 November 2025.

Fri 21/1107:20DUB - IAH
1 stop35h 50mTurkish Airlines
Wed 3/1214:55IAH - DUB
1 stop25h 15mTurkish Airlines
Deal found 1/11£582
Thu 13/1109:20DUB - IAH
1 stop14h 55mLufthansa
Wed 26/1112:10IAH - DUB
1 stop14h 00mLufthansa
Deal found 2/11£629
Fri 21/1105:55DUB - IAH
1 stop13h 35mDelta
Wed 3/1213:36IAH - DUB
2 stops20h 09mDelta
Deal found 2/11£635
Tue 2/1205:55DUB - IAH
1 stop13h 35mDelta
Tue 9/1218:39IAH - DUB
2 stops15h 06mDelta
Deal found 1/11£636
Sat 22/1113:25DUB - IAH
2 stops28h 05mDelta
Wed 3/1213:36IAH - DUB
2 stops20h 09mDelta
Deal found 3/11£639
Thu 13/1113:25DUB - HOU
2 stops16h 15mDelta
Wed 26/1106:00HOU - DUB
2 stops20h 00mDelta
Deal found 2/11£639
Thu 13/1105:55DUB - IAH
1 stop13h 35mKLM
Wed 26/1116:13IAH - DUB
2 stops14h 27mKLM
Deal found 1/11£639
Mon 10/1109:00DUB - IAH
1 stop15h 38mUnited Airlines
Sun 23/1116:25IAH - DUB
1 stop11h 30mUnited Airlines
Deal found 31/10£643
Thu 13/1110:40DUB - IAH
1 stop12h 43mUnited Airlines
Wed 26/1112:10IAH - DUB
1 stop14h 00mUnited Airlines
Deal found 2/11£648
Fri 21/1109:45DUB - HOU
1 stop14h 08mKLM
Wed 3/1214:32HOU - DUB
1 stop11h 13mKLM
Deal found 2/11£648
Mon 29/1212:55DUB - HOU
1 stop16h 51mMultiple Airlines
Mon 5/110:13HOU - DUB
1 stop15h 02mMultiple Airlines
Deal found 1/11£679
Wed 17/1209:45DUB - HOU
1 stop29h 49mDelta
Wed 24/1215:25HOU - DUB
2 stops34h 40mDelta
Deal found 1/11£694

Cheapflights Fare Finder

 
Customise 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 858,174 searches. Data last updated 3 November 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 20/2

16:30-19:10

1 stop32h 40m

Houston George Bush Intcntl

Tue 24/2

21:05-22:10

1 stop19h 05m

£579

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 21/11

07:20-13:10

1 stop35h 50m

Houston George Bush Intcntl

Wed 3/12

14:55-22:10

1 stop25h 15m

£582

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 13/11

09:20-18:15

1 stop14h 55m

Houston George Bush Intcntl

Wed 26/11

12:10-08:10

1 stop14h 00m

£629

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 22/11

05:55-13:30

1 stop13h 35m

Houston George Bush Intcntl

Wed 3/12

16:05-15:45

1 stop17h 40m

£635

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 21/11

05:55-13:30

1 stop13h 35m

Houston George Bush Intcntl

Wed 3/12

13:36-15:45

2 stops20h 09m

£635

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 2/12

05:55-13:30

1 stop13h 35m

Houston George Bush Intcntl

Tue 9/12

18:39-15:45

2 stops15h 06m

£636

DublinHouston

DUB - HOU

DUBHOU

Dublin

Fri 21/11

05:55-23:07

2 stops23h 12m

Houston Hobby

Wed 3/12

14:32-15:45

2 stops19h 13m

£639

DublinHouston

DUB - HOU

DUBHOU

Dublin

Thu 13/11

13:25-23:40

2 stops16h 15m

Houston Hobby

Wed 26/11

06:00-08:00

2 stops20h 00m

£639

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sun 14/12

12:55-19:52

1 stop12h 57m

Houston Hobby

Sun 28/12

12:09-07:10

1 stop13h 01m

£648

DublinHouston

DUB - HOU

DUBHOU

Dublin

Fri 21/11

09:45-17:53

1 stop14h 08m

Houston Hobby

Wed 3/12

14:32-07:45

1 stop11h 13m

£648

Flights are sorted by cheapest return flights first.

Deals found on 1/11

Showing 1-10 of 23 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 return 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, May is the cheapest month in which you can book a flight from Ireland to Houston (average of £446). Flying from Ireland to Houston in June is currently the most expensive (average of £611). 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 3 November 2025.

When flying from Ireland to Houston, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 25% versus a flight in the morning.

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 3 November 2025.
See what other customers who have flown with KLM, United Airlines, andAmerican Airlines from Ireland to Houston have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
KLM
7.7
Good
1,404 reviews
Check prices

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
KLM
7.7
Good
1,404 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
United Airlines
7.4
Good
8,996 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
American Airlines
7.2
Good
11,035 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.
British Airways
6.7
Okay
7,494 reviews
KLM
7.7
Good
1,404 reviews
Check prices

Entertainment

7.1

Overall

7.7

Crew

8.4

Comfort

7.7

Boarding

7.8

Food

7.3

Reviews

1 / 20
2.0
Mediocre

Abisola,Oct 2025

LOS - CDG

The food option was finished and what wa left was vegan pasta so I had to go without food for an 8 hour flight without any sort of empathy from crew that was mean.

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.

  • How long is the flight from Ireland to Houston?

    Departing from Ireland to Houston will take you 23h 12m. There are 4560 mi between Ireland and Houston. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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 holiday 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, May is the cheapest month in which you can book a flight from Ireland to Houston (average of £446). Flying from Ireland to Houston in June is currently the most expensive (average of £611). 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

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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 4 airlines flying from Ireland to Houston

Discover the top 4 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 858,174 searches. Data last updated 3 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£497Average£594FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£517Average£580FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£585Average£681FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£813Average£930FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ireland to Houston?

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Houston from Ireland today with Cheapflights!

Why should you use Cheapflights to find cheap flight tickets from Ireland to Houston?

Cheapflights simply makes it quick and affordable to book flights from Ireland to Houston by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Ireland to Houston with no change fees?

Yes, we can. To see specific flights from Ireland to Houston with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Ireland to Houston become cheaper?

Of course! You can now track prices for flights from Ireland to Houston and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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