Find flights
When to book
Airlines
FAQs

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 11/2. Fares are subject to change and may not be available on all flights or dates of travel.
DUB — HOU
24 Dec — 31 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 24 November 2025.

Round-trip from

£553

One-way from

£484

Popular in

April

Cheapest in

January

Average price

£609
Turkish Airlines
  • Turkish Airlines
  • 19/1-2/2
  • 2 total stops
  • 69h 05m total
  • Ireland to Houston
Search Deals
British Airways
  • British Airways
  • 11/2
  • 1 total stop
  • 13h 25m total
  • Ireland to Houston
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (£18 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 24 November 2025.

Sat 6/1205:55DUB - IAH
1 stop13h 35mDelta
Tue 9/1212:42IAH - DUB
2 stops21h 03mDelta
Deal found 23/11£636
Sat 6/1205:55DUB - HOU
2 stops22h 38mDelta
Tue 9/1210:39HOU - DUB
2 stops16h 06mDelta
Deal found 23/11£643
Mon 15/1212:55DUB - IAH
1 stop15h 28mMultiple Airlines
Sun 28/1212:15IAH - DUB
1 stop12h 55mMultiple Airlines
Deal found 23/11£650
Sat 22/1113:25DUB - IAH
1 stop30h 05mMultiple Airlines
Wed 3/1216:05IAH - DUB
1 stop17h 40mMultiple Airlines
Deal found 22/11£756
Sat 22/1113:25DUB - IAH
2 stops28h 15mDelta
Wed 3/1216:05IAH - DUB
1 stop17h 40mDelta
Deal found 22/11£761
Sat 27/1205:55DUB - IAH
1 stop13h 35mKLM
Fri 16/115:30IAH - DUB
1 stop34h 35mKLM
Deal found 23/11£784
Sun 14/1205:55DUB - HOU
2 stops22h 53mDelta
Wed 17/1210:39HOU - DUB
1 stop15h 06mDelta
Deal found 22/11£785
Sun 14/1209:00DUB - IAH
2 stops18h 13mUnited Airlines
Wed 17/1213:34IAH - DUB
2 stops14h 46mUnited Airlines
Deal found 22/11£794
Sat 20/1212:05DUB - IAH
1 stop31h 35mUnited Airlines
Sat 27/1217:05IAH - DUB
1 stop11h 15mUnited Airlines
Deal found 22/11£794
Sat 27/1205:55DUB - IAH
1 stop13h 35mDelta
Fri 16/112:49IAH - DUB
2 stops21h 31mDelta
Deal found 23/11£799
Mon 15/1212:30DUB - IAH
2 stops26h 21mScandinavian Airlines
Sun 28/1214:42IAH - DUB
3 stops19h 03mScandinavian Airlines
Deal found 22/11£859
Sat 27/1213:25DUB - HOU
2 stops31h 13mDelta
Fri 16/105:45HOU - DUB
2 stops20h 20mDelta
Deal found 22/11£997

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 24 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

Mon 19/1

16:30-19:10

1 stop32h 40m

Houston George Bush Intcntl

Mon 2/2

21:05-15:30

1 stop36h 25m

£553

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 16/5

11:35-08:00

1 stop26h 25m

Houston George Bush Intcntl

Sun 17/5

11:25-07:45

1 stop14h 20m

£568

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 21/1

10:40-19:10

1 stop38h 30m

Houston George Bush Intcntl

Sun 25/1

21:05-22:10

1 stop19h 05m

£581

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 6/12

05:55-13:30

1 stop13h 35m

Houston George Bush Intcntl

Tue 9/12

12:40-15:45

2 stops21h 05m

£636

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 15/1

05:55-13:30

1 stop13h 35m

Houston George Bush Intcntl

Fri 30/1

09:54-15:45

2 stops23h 51m

£636

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 1/3

05:55-13:30

1 stop13h 35m

Houston George Bush Intcntl

Sat 7/3

18:31-16:20

2 stops15h 49m

£640

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sat 17/1

13:25-10:21

2 stops26h 56m

Houston Hobby

Mon 2/2

05:45-15:45

2 stops28h 00m

£640

DublinHouston

DUB - HOU

DUBHOU

Dublin

Mon 19/1

08:50-10:21

2 stops31h 31m

Houston Hobby

Mon 2/2

11:09-15:45

2 stops22h 36m

£640

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sat 7/2

05:55-22:33

2 stops22h 38m

Houston Hobby

Sun 15/2

05:25-15:45

2 stops28h 20m

£640

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sat 6/12

05:55-22:33

2 stops22h 38m

Houston Hobby

Tue 9/12

06:00-08:45

2 stops20h 45m

£643

Flights are sorted by cheapest return flights first.

Deals found on 22/11

Showing 1-10 of 19 results
1
2

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 £440). Flying from Ireland to Houston in June is currently the most expensive (average of £615). 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 24 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 24 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
1,420 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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
1,420 reviews
KLM
7.7
Good
1,420 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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
9,041 reviews
KLM
7.7
Good
1,420 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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
11,040 reviews
KLM
7.7
Good
1,420 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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
7,535 reviews
KLM
7.7
Good
1,420 reviews
Check prices

Boarding

7.8

Comfort

7.6

Crew

8.4

Overall

7.7

Entertainment

7.1

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 26h 25m. There are 4545 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 £440). Flying from Ireland to Houston in June is currently the most expensive (average of £615). 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.
Heathrow to Dallas/Fort Worth flights
Heathrow to Hobby flights
Heathrow to George Bush Intcntl flights
Gatwick to Dallas/Fort Worth flights
Heathrow to Austin flights
Heathrow to Love Field flights
London City to Dallas/Fort Worth flights
London City to Hobby flights
Gatwick to Hobby flights
Gatwick to George Bush Intcntl flights
London City to George Bush Intcntl flights
Stansted to Dallas/Fort Worth flights
Gatwick to Love Field flights
Gatwick to Austin flights
Manchester to Hobby flights
London City to Austin flights
Manchester to Dallas/Fort Worth flights
Manchester to George Bush Intcntl flights
Stansted to George Bush Intcntl flights
Stansted to Austin flights
Birmingham to Hobby flights
Newcastle upon Tyne to Dallas/Fort Worth flights
Luton to Dallas/Fort Worth flights
Manchester to Love Field flights
Manchester to Austin flights
Belfast Intl to Hobby flights
Heathrow to San Antonio flights
Birmingham to George Bush Intcntl flights
Gatwick to San Antonio flights
Edinburgh to Hobby flights
Belfast City to George Bush Intcntl flights
Glasgow Intl to Dallas/Fort Worth flights
Birmingham to Dallas/Fort Worth flights
Edinburgh to George Bush Intcntl flights
London City to Love Field flights
Dublin to Dallas/Fort Worth flights
Edinburgh to Dallas/Fort Worth flights
London City to San Antonio flights
Glasgow Intl to Austin flights
Leeds to Hobby flights
Newcastle upon Tyne to Hobby flights
Belfast City to Dallas/Fort Worth flights
Inverness to Hobby flights
Manchester to El Paso flights
Belfast Intl to Dallas/Fort Worth flights
Aberdeen to Hobby flights

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 24 November 2025.
AirlineCheapestAverageFlexibilityOn-time
British AirwaysCheapest£498Average£597FlexibilityNo cancel feeOn-time70%
Search British Airways flights
KLMCheapest£519Average£583FlexibilityNo cancel feeOn-time75%
Search KLM flights
United AirlinesCheapest£587Average£683FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest£816Average£934FlexibilityNo 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.

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.