How long is the flight from Ireland to Houston?

Departing from Ireland to Houston will take you 32h 08m. 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 is the cheapest time of day to fly from IE to HOU?

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.

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.

£550+ Cheap Flights from Ireland to Houston

Cheap flight deals from Ireland to Houston

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 19 August 2026.

Wed 23/911:30 -

1 stop34h 55m

Wed 30/917:18 -

1 stop33h 42m

Deal found 15/8£578

Mon 16/1116:35 -

1 stop26h 35m

Fri 20/1121:00 -

1 stop30h 35m

Deal found 15/8£586

Wed 25/1110:40 -

1 stop38h 25m

Mon 30/1121:00 -

1 stop30h 35m

Deal found 18/8£587

Tue 17/1116:35 -

1 stop32h 30m

Mon 23/1121:00 -

1 stop30h 35m

Deal found 17/8£589

Thu 15/1017:10 -

1 stop25h 35m

Mon 19/1014:30 -

1 stop37h 05m

Deal found 17/8£592

Tue 24/1116:35 -

1 stop32h 30m

Sat 28/1121:00 -

1 stop36h 30m

Deal found 16/8£597

Wed 25/1107:25 -

2 stops35h 35m

Sun 29/1114:32 -

1 stop11h 23m

Deal found 18/8£604

Sun 22/1106:30 -

2 stops21h 45m

Mon 30/1108:05 -

1 stop17h 40m

Deal found 18/8£605

Sun 22/1106:30 -

2 stops21h 45m

Tue 1/1219:10 -

1 stop13h 20m

Deal found 18/8£608

Thu 1/1011:30 -

1 stop34h 55m

Wed 7/1012:00 -

1 stop15h 00m

Deal found 15/8£609

Fri 11/912:40 -

1 stop13h 08m

Sat 26/913:56 -

1 stop13h 49m

Deal found 15/8£732

Mon 21/912:40 -

1 stop13h 08m

Tue 29/913:56 -

1 stop13h 49m

Deal found 17/8£734

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 19 August 2026.

Tue 17/1116:35 -

1 stop32h 30m

Mon 23/1121:00 -

1 stop30h 35m

Deal found 17/8£589

Tue 17/1105:45 -

1 stop13h 20m

Mon 23/1110:00 -

2 stops17h 00m

Deal found 14/8£725

Fri 18/1210:50 -

1 stop15h 05m

Fri 1/115:50 -

1 stop12h 25m

Deal found 19/8£728

Tue 13/1018:00 -

2 stops30h 12m

Sun 18/1015:30 -

1 stop17h 00m

Deal found 14/8£734

Fri 6/1113:35 -

2 stops14h 40m

Tue 10/1110:55 -

1 stop14h 35m

Deal found 18/8£741

Thu 15/1017:10 -

1 stop25h 35m

Mon 19/1014:30 -

1 stop37h 05m

Deal found 16/8£592

Tue 24/1110:40 -

1 stop38h 25m

Thu 3/1214:55 -

1 stop18h 35m

Deal found 18/8£613

Tue 24/1116:35 -

1 stop32h 30m

Wed 2/1221:00 -

1 stop30h 35m

Deal found 18/8£613

Fri 18/1211:30 -

2 stops18h 55m

Fri 1/111:05 -

2 stops17h 10m

Deal found 16/8£745

Sun 25/1013:25 -

2 stops32h 08m

Sat 7/1111:12 -

2 stops25h 13m

Deal found 14/8£751

Wed 25/1116:35 -

1 stop26h 35m

Thu 3/1221:00 -

1 stop19h 15m

Deal found 18/8£613

Fri 23/1008:55 -

2 stops20h 08m

Mon 2/1106:09 -

2 stops26h 21m

Deal found 18/8£757

Thu 26/1106:10 -

1 stop18h 55m

Sun 29/1121:00 -

1 stop19h 15m

Deal found 18/8£621

Fri 11/905:55 -

2 stops22h 44m

Sat 26/906:00 -

2 stops20h 15m

Deal found 15/8£776

Mon 21/905:55 -

2 stops22h 44m

Tue 29/914:25 -

2 stops22h 00m

Deal found 17/8£777

Wed 30/905:55 -

2 stops22h 44m

Wed 7/1015:09 -

2 stops21h 16m

Deal found 16/8£777

Thu 15/1008:55 -

2 stops20h 08m

Mon 19/1011:12 -

2 stops25h 13m

Deal found 17/8£777

Tue 29/908:55 -

2 stops31h 05m

Tue 6/1015:09 -

1 stop11h 36m

Deal found 15/8£779

Find flight deals from Ireland to Houston

Round-trip from	£578
One-way from	£550
Popular in	May
Cheapest in	September
Average price	£767

JetBlue
23/9-30/9
2 total stops
68h 37m total
Ireland to Houston

Search Deals

19/12
1 total stop
23h 25m total
Ireland to Houston

Search Deals

Highest demand for flights based on searches. 2% potential increase in price (£13 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£6 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Tue 17/11

16:35-19:05

1 stop32h 30m

Houston George Bush Intcntl

Mon 23/11

21:00-09:35

1 stop30h 35m

£589

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Thu 15/10

17:10-12:45

1 stop25h 35m

Houston George Bush Intcntl

Mon 19/10

14:30-09:35

1 stop37h 05m

£592

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Tue 24/11

10:40-19:05

1 stop38h 25m

Houston George Bush Intcntl

Thu 3/12

14:55-15:30

1 stop18h 35m

£613

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Tue 24/11

16:35-19:05

1 stop32h 30m

Houston George Bush Intcntl

Wed 2/12

21:00-09:35

1 stop30h 35m

£613

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Wed 25/11

16:35-13:10

1 stop26h 35m

Houston George Bush Intcntl

Thu 3/12

21:00-22:15

1 stop19h 15m

£613

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Thu 26/11

06:10-19:05

1 stop18h 55m

Houston George Bush Intcntl

Sun 29/11

21:00-22:15

1 stop19h 15m

£621

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Tue 17/11

05:45-13:05

1 stop13h 20m

Houston George Bush Intcntl

Mon 23/11

10:00-09:00

2 stops17h 00m

£725

Fastest return journey

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Fri 18/12

10:50-19:55

1 stop15h 05m

Houston George Bush Intcntl

Fri 1/1

15:50-10:15

1 stop12h 25m

£728

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Tue 13/10

18:00-18:12

2 stops30h 12m

Houston George Bush Intcntl

Sun 18/10

15:30-14:30

1 stop17h 00m

£734

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Fri 6/11

13:35-22:15

2 stops14h 40m

Houston George Bush Intcntl

Tue 10/11

10:55-07:30

1 stop14h 35m

£741

Flights are sorted by cheapest return flights first.

Deals found on 16/8

Showing 1-10 of 27 resultsSorted by cheapest first

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.

DUB-IAH

DUB-HOU

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

IE0-HO1

DUB-IAH

DUB-HOU

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 £607). Flying from Ireland to Houston in March is currently the most expensive (average of £756). 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.

Reviews of airlines servicing Houston

See what other customers who have flown with United Airlines and British Airways 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.

United Airlines

7.4

Good

10,104 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

FERNANDO,Sept 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

United Airlines

7.4

Good

10,104 reviews

United Airlines

7.4

Good

10,104 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

FERNANDO,Sept 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

British Airways

6.7

Okay

8,179 reviews

United Airlines

7.4

Good

10,104 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

FERNANDO,Sept 2024

YYC - IAH

Everything was good, maybe can give better foof flys more than 4 hours

Related info for your journey

How long is the flight from Ireland to Houston?
Departing from Ireland to Houston will take you 32h 08m. 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, September is the cheapest month in which you can book a flight from Ireland to Houston (average of £607). Flying from Ireland to Houston in March is currently the most expensive (average of £756). 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

Complete your trip

Direct flights to Texas

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Popular flights

Top destinations

Alternative routes for Ireland to Houston

Heathrow to Dallas/Fort Worth flights

Heathrow to Hobby flights

Heathrow to George Bush Intcntl flights

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Aberdeen to Dallas/Fort Worth flights

Edinburgh to George Bush Intcntl flights

Belfast Intl to Hobby flights

London City to San Antonio flights

Glasgow Intl to George Bush Intcntl flights

Birmingham to George Bush Intcntl flights

Birmingham to Love Field flights

Birmingham to Hobby flights

Glasgow Intl to Hobby flights

Liverpool to Dallas/Fort Worth flights

Edinburgh to Love Field flights

Southend to Dallas/Fort Worth flights

Belfast City to George Bush Intcntl flights

Belfast Intl to George Bush Intcntl flights

Newcastle upon Tyne to Hobby flights

Belfast Intl to Dallas/Fort Worth flights

Bristol to Dallas/Fort Worth flights

Top 2 airlines flying from Ireland to Houston

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£539	Average£742	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£589	Average£672	FlexibilityNo cancel fee	On-time69%	Search United 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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Cheap flights from Ireland to Houston from £550

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 19/12. 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 19 August 2026.

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 19 August 2026.

Best flights from Ireland to HoustonDiscover 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 19 August 2026.

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 19 August 2026.

Last-minute flights from Ireland to HoustonDiscover last-minute flight deals from Ireland to Houston. Data last updated 19 August 2026 and is based on user searches.

Discover last-minute flight deals from Ireland to Houston. Data last updated 19 August 2026 and is based on user searches.

One-way flights from Ireland to HoustonSearch for one-way flight options from Ireland to Houston. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.

Search for one-way flight options from Ireland to Houston. Find affordable one-way fares based on user searches. Data last updated 19 August 2026.

Find flight deals from Ireland to Houston

Round-trip from

One-way 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

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

Reviews of airlines servicing Houston

See what other customers who have flown with United Airlines and British Airways 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

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.

Complete your trip

Complete your trip to Houston by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to Texas

Book a non-stop flight to one of these other cities located in Texas.

Search flights from Ireland to Houston by cabin class

Find flights from Ireland to Houston, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Ireland and Houston flights

Browse other Ireland and Houston flight options. Last updated on 19 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Ireland to Houston flights

Consider these flights travelling from Ireland to Houston.

Top 2 airlines flying from Ireland to Houston

Fly with Cheapflights

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?

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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 19 August 2026.

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 19 August 2026.

Last-minute flights from Ireland to Houston
Discover last-minute flight deals from Ireland to Houston. Data last updated 19 August 2026 and is based on user searches.

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 19 August 2026.