How long is the flight from Ireland to Houston?

Departing from Ireland to Houston will take you 31h 31m. 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.

In terms of precipitation, rainfall in Houston ranges from 81.0 - 150.0 inches per month. June is typically the wettest month, when rainfall can reach 150.0 mm. February is typically the driest time to visit Houston when rainfall is around 81.0 mm.

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 29.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 12.0 C).

What are the most popular airlines that fly from Ireland to Houston?

Before booking your flight from Ireland to Houston check out the most popular airlines for this route: United Airlines, British Airways or KLM.

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.

£470+ Flights from Ireland to Houston

Cheap 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 8 December 2025.

Mon 15/1211:30DUB - IAH

1 stop15h 58mMultiple Airlines

Sun 28/1210:37IAH - DUB

1 stop14h 33mMultiple Airlines

Deal found 8/12£663

Sat 27/1210:40DUB - IAH

1 stop12h 53mUnited Airlines

Fri 16/114:30IAH - DUB

1 stop11h 00mUnited Airlines

Deal found 7/12£692

Mon 15/1205:55DUB - IAH

2 stops22h 28mDelta

Sun 28/1215:30IAH - DUB

1 stop18h 50mDelta

Deal found 8/12£700

Thu 11/1211:30DUB - IAH

1 stop15h 58mMultiple Airlines

Sat 27/1214:09IAH - DUB

1 stop11h 01mMultiple Airlines

Deal found 7/12£721

Thu 11/1211:30DUB - IAH

2 stops16h 25mAmerican Airlines

Sat 27/1207:26IAH - DUB

1 stop17h 44mAmerican Airlines

Deal found 7/12£732

Sun 7/1205:55DUB - HOU

2 stops17h 57mDelta

Thu 11/1206:00HOU - DUB

2 stops20h 45mDelta

Deal found 6/12£775

Sun 7/1209:45DUB - HOU

1 stop19h 03mKLM

Thu 11/1218:47HOU - DUB

1 stop30h 58mKLM

Deal found 6/12£781

Wed 10/1209:45DUB - HOU

1 stop19h 03mKLM

Mon 29/1210:46HOU - DUB

1 stop14h 59mKLM

Deal found 7/12£792

Wed 10/1213:25DUB - HOU

2 stops26h 09mDelta

Mon 29/1210:46HOU - DUB

1 stop14h 59mDelta

Deal found 7/12£796

Thu 11/1205:55DUB - HOU

2 stops33h 39mDelta

Sat 27/1215:25HOU - DUB

2 stops18h 55mDelta

Deal found 7/12£811

Wed 10/1209:40DUB - HOU

2 stops28h 53mIberia

Fri 26/1212:09HOU - DUB

1 stop13h 01mIberia

Deal found 7/12£838

Wed 10/1209:45DUB - HOU

1 stop14h 07mKLM

Fri 26/1206:00HOU - DUB

1 stop19h 45mKLM

Deal found 7/12£840

Best flights from Ireland to Houston
Discover carefully curated flight deals from Ireland to Houston that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 December 2025.

Sat 24/110:40DUB - IAH

1 stop33h 00mUnited Airlines

Mon 26/113:35IAH - DUB

1 stop11h 55mUnited Airlines

Deal found 7/12£470

Mon 9/310:40DUB - IAH

1 stop38h 30mTurkish Airlines

Wed 25/322:05IAH - DUB

1 stop19h 05mTurkish Airlines

Deal found 7/12£568

Sat 7/208:50DUB - HOU

2 stops31h 31mDelta

Sun 15/210:50HOU - DUB

2 stops22h 55mDelta

Deal found 6/12£653

Sun 8/309:45DUB - HOU

1 stop17h 43mKLM

Sun 22/310:35HOU - DUB

1 stop16h 10mKLM

Deal found 7/12£674

Wed 11/316:50DUB - IAH

1 stop32h 20mTurkish Airlines

Mon 23/322:05IAH - DUB

1 stop30h 35mTurkish Airlines

Deal found 7/12£568

Mon 9/310:40DUB - IAH

1 stop38h 30mTurkish Airlines

Tue 24/322:05IAH - DUB

1 stop36h 25mTurkish Airlines

Deal found 7/12£568

Fri 30/108:50DUB - HOU

2 stops31h 31mDelta

Sun 15/217:35HOU - DUB

2 stops16h 10mDelta

Deal found 7/12£653

Tue 10/310:40DUB - IAH

1 stop38h 30mTurkish Airlines

Wed 25/315:55IAH - DUB

1 stop25h 15mTurkish Airlines

Deal found 7/12£568

Thu 22/108:50DUB - HOU

2 stops31h 31mDelta

Thu 29/117:04HOU - DUB

2 stops16h 41mDelta

Deal found 8/12£653

Wed 11/316:50DUB - IAH

1 stop32h 20mTurkish Airlines

Tue 24/322:05IAH - DUB

1 stop30h 35mTurkish Airlines

Deal found 7/12£568

Fri 23/108:50DUB - HOU

2 stops31h 31mDelta

Mon 26/117:04HOU - DUB

2 stops16h 41mDelta

Deal found 6/12£653

Tue 10/310:40DUB - IAH

1 stop32h 30mTurkish Airlines

Tue 24/322:05IAH - DUB

1 stop36h 25mTurkish Airlines

Deal found 7/12£568

Thu 22/113:25DUB - HOU

2 stops26h 56mDelta

Wed 4/211:09HOU - DUB

2 stops22h 36mDelta

Deal found 6/12£653

Thu 5/316:30DUB - IAH

1 stop32h 40mTurkish Airlines

Tue 24/322:05IAH - DUB

1 stop36h 25mTurkish Airlines

Deal found 7/12£568

Sun 1/305:55DUB - HOU

2 stops22h 33mDelta

Sat 7/305:25HOU - DUB

1 stop20h 20mDelta

Deal found 6/12£655

Thu 22/110:40DUB - IAH

1 stop38h 30mTurkish Airlines

Mon 26/121:05IAH - DUB

1 stop36h 25mTurkish Airlines

Deal found 5/12£568

Mon 9/310:40DUB - IAH

1 stop38h 30mTurkish Airlines

Thu 19/322:05IAH - DUB

1 stop30h 35mTurkish Airlines

Deal found 7/12£568

Last-minute flights from Ireland to Houston
Discover last-minute flight deals from Ireland to Houston. Data last updated 8 December 2025 and is based on user searches.

Wed 10/1209:45DUB - HOU

1 stop19h 03mKLM

Mon 29/1210:46HOU - DUB

1 stop14h 59mKLM

Deal found 7/12£792

Wed 10/1213:25DUB - HOU

2 stops26h 09mDelta

Mon 29/1210:46HOU - DUB

1 stop14h 59mDelta

Deal found 7/12£796

Sat 10/113:25DUB - IAH

1 stop30h 05mMultiple Airlines

Sat 31/116:05IAH - DUB

1 stop17h 40mMultiple Airlines

Deal found 6/12£672

Sat 10/110:45DUB - HOU

2 stops29h 36mDelta

Sat 31/111:09HOU - DUB

2 stops22h 36mDelta

Deal found 6/12£682

Wed 21/110:40DUB - IAH

1 stop38h 30mTurkish Airlines

Sun 25/121:05IAH - DUB

1 stop36h 25mTurkish Airlines

Deal found 6/12£577

Wed 21/112:30DUB - IAH

2 stops41h 27mScandinavian Airlines

Sun 25/116:06IAH - DUB

2 stops20h 14mScandinavian Airlines

Deal found 5/12£583

Thu 22/110:40DUB - IAH

1 stop38h 30mTurkish Airlines

Mon 26/121:05IAH - DUB

1 stop30h 35mTurkish Airlines

Deal found 7/12£568

Thu 22/108:50DUB - HOU

2 stops31h 31mDelta

Thu 29/117:04HOU - DUB

2 stops16h 41mDelta

Deal found 8/12£653

Thu 22/109:30DUB - IAH

2 stops15h 40mUnited Airlines

Wed 4/212:29IAH - DUB

1 stop13h 01mUnited Airlines

Deal found 7/12£663

Fri 23/116:30DUB - IAH

1 stop32h 40mTurkish Airlines

Mon 26/121:05IAH - DUB

1 stop30h 35mTurkish Airlines

Deal found 8/12£556

Fri 23/105:55DUB - IAH

1 stop13h 35mDelta

Mon 26/109:54IAH - DUB

2 stops23h 51mDelta

Deal found 8/12£649

Sat 24/110:40DUB - IAH

1 stop33h 00mUnited Airlines

Mon 26/113:35IAH - DUB

1 stop11h 55mUnited Airlines

Deal found 7/12£470

One-way flights from Ireland to Houston
Search for one-way flight options from Ireland to Houston. Find affordable one-way fares based on user searches. Data last updated 8 December 2025.

Wed 11/218:00DUB - IAH

1 stop26h 05mBritish Airways

Deal found 8/12£489

Fri 22/511:45DUB - HOU

1 stop17h 57mMultiple Airlines

Deal found 6/12£524

Tue 14/413:45DUB - HOU

1 stop15h 56mMultiple Airlines

Deal found 8/12£527

Tue 6/108:50DUB - IAH

1 stop35h 15mBritish Airways

Deal found 6/12£616

Tue 6/113:25DUB - IAH

2 stops28h 32mDelta

Deal found 6/12£706

Wed 17/1207:35DUB - IAH

2 stops19h 46mBritish Airways

Deal found 7/12£895

Wed 17/1206:40DUB - HOU

2 stops17h 19mBritish Airways

Deal found 7/12£895

Wed 17/1209:45DUB - HOU

1 stop19h 03mDelta

Deal found 7/12£1,053

Find flight deals from Ireland to Houston

Round-trip from	£470
Popular in	June
Cheapest in	September
Average price	£657

United Airlines
24/1-26/1
2 total stops
44h 55m total
Ireland to Houston

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£26 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 24/1

10:40-13:40

1 stop33h 00m

Houston George Bush Intcntl

Mon 26/1

13:35-07:30

1 stop11h 55m

£470

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 9/3

10:40-20:10

1 stop38h 30m

Houston George Bush Intcntl

Wed 25/3

22:05-22:10

1 stop19h 05m

£568

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 11/3

16:50-20:10

1 stop32h 20m

Houston George Bush Intcntl

Mon 23/3

22:05-09:40

1 stop30h 35m

£568

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 9/3

10:40-20:10

1 stop38h 30m

Houston George Bush Intcntl

Tue 24/3

22:05-15:30

1 stop36h 25m

£568

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 10/3

10:40-20:10

1 stop38h 30m

Houston George Bush Intcntl

Wed 25/3

15:55-22:10

1 stop25h 15m

£568

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 11/3

16:50-20:10

1 stop32h 20m

Houston George Bush Intcntl

Tue 24/3

22:05-09:40

1 stop30h 35m

£568

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 10/3

10:40-14:10

1 stop32h 30m

Houston George Bush Intcntl

Tue 24/3

22:05-15:30

1 stop36h 25m

£568

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 5/3

16:30-19:10

1 stop32h 40m

Houston George Bush Intcntl

Tue 24/3

22:05-15:30

1 stop36h 25m

£568

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 22/1

10:40-19:10

1 stop38h 30m

Houston George Bush Intcntl

Mon 26/1

21:05-15:30

1 stop36h 25m

£568

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 9/3

10:40-20:10

1 stop38h 30m

Houston George Bush Intcntl

Thu 19/3

22:05-09:40

1 stop30h 35m

£568

Flights are sorted by cheapest return flights first.

Deals found on 6/12

Showing 1-10 of 26 results

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 £428). Flying from Ireland to Houston in June is currently the most expensive (average of £604). 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?

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

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

1,431 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

KLM

7.7

Good

1,431 reviews

KLM

7.7

Good

1,431 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

United Airlines

7.4

Good

9,084 reviews

KLM

7.7

Good

1,431 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

American Airlines

7.2

Good

11,044 reviews

KLM

7.7

Good

1,431 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

British Airways

6.7

Okay

7,566 reviews

KLM

7.7

Good

1,431 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Anonymous,Dec 2025

YYC - AMS

Not literally sitting in the very last row in the middle

Related info for your journey

How long is the flight from Ireland to Houston?
Departing from Ireland to Houston will take you 31h 31m. 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 £428). Flying from Ireland to Houston in June is currently the most expensive (average of £604). 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

Alternative routes for Ireland to Houston

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Leeds to Hobby flights

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Glasgow Intl to Austin flights

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Complete your trip

Houston car hire

Houston Hobby Airport car hire

Houston George Bush Intcntl Airport car hire

College Station Easterwood Field Airport car hire

Beaumont Jefferson County Airport car hire

Top 4 airlines flying from Ireland to Houston

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£490	Average£584	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
KLM	Cheapest£510	Average£572	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£577	Average£687	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest£802	Average£917	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights

Fly with Cheapflights

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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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.

Cheap flights from Ireland to Houston from £470

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to Houston

Cheapest flights from Ireland to HoustonExplore 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 8 December 2025.

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 8 December 2025.

Find flight deals from Ireland to Houston

Keep the following information in mind while searching for Ireland to Houston flight deals. Data was last updated 8 December 2025.

Round-trip from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Houston that are best for you.

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.

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?

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 8 December 2025.

Reviews of airlines servicing Houston

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.

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?

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

How can I find direct flights from Ireland to Houston?

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

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

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.

Top 4 airlines flying from Ireland to Houston

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?

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

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

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

100% Free

Book with Flexibility

Travel Smart

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 8 December 2025.