How long is the flight from Ireland to Houston?

Departing from Ireland to Houston will take you 23h 18m. 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.

£315+ 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 8 August 2026.

Thu 27/810:40 -

1 stop31h 43m

Wed 9/917:18 -

1 stop33h 42m

Deal found 3/8£567

Mon 31/810:40 -

1 stop31h 43m

Mon 7/919:31 -

1 stop30h 49m

Deal found 3/8£575

Sun 1/1106:30 -

2 stops34h 10m

Sun 8/1109:42 -

1 stop16h 03m

Deal found 7/8£586

Sun 1/1106:30 -

2 stops34h 10m

Mon 9/1114:32 -

1 stop11h 23m

Deal found 7/8£587

Mon 2/1117:30 -

2 stops31h 23m

Sun 8/1114:21 -

1 stop11h 34m

Deal found 7/8£588

Mon 2/1117:30 -

2 stops31h 23m

Mon 9/1110:00 -

1 stop15h 45m

Deal found 7/8£589

Tue 17/1110:40 -

1 stop38h 25m

Mon 23/1121:00 -

1 stop36h 30m

Deal found 6/8£591

Mon 31/806:25 -

2 stops38h 07m

Mon 7/914:37 -

1 stop12h 08m

Deal found 3/8£596

Fri 11/906:50 -

2 stops32h 35m

Thu 24/914:44 -

1 stop12h 01m

Deal found 7/8£602

Tue 13/1010:45 -

1 stop38h 35m

Sun 18/1021:15 -

1 stop19h 50m

Deal found 4/8£603

Wed 2/912:40 -

1 stop13h 11m

Mon 7/912:14 -

1 stop15h 31m

Deal found 4/8£724

Sun 1/1113:00 -

1 stop16h 14m

Sun 8/1109:57 -

1 stop15h 18m

Deal found 7/8£724

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 August 2026.

Thu 3/911:30 -

1 stop29h 34m

Wed 16/911:02 -

1 stop15h 18m

Deal found 3/8£567

Tue 17/1116:35 -

1 stop32h 30m

Mon 23/1121:00 -

1 stop30h 35m

Deal found 3/8£589

Tue 29/919:30 -

1 stop23h 55m

Wed 28/1016:50 -

1 stop14h 25m

Deal found 7/8£727

Tue 17/1105:45 -

1 stop13h 20m

Mon 23/1110:00 -

2 stops17h 00m

Deal found 5/8£727

Fri 18/1210:45 -

1 stop15h 10m

Fri 1/115:50 -

1 stop12h 25m

Deal found 5/8£729

Sun 1/1105:45 -

2 stops16h 47m

Mon 9/1115:05 -

1 stop10h 40m

Deal found 7/8£763

Tue 13/1010:45 -

1 stop38h 35m

Sun 18/1021:15 -

1 stop19h 50m

Deal found 4/8£603

Sun 1/1110:40 -

1 stop39h 25m

Mon 9/1121:00 -

1 stop36h 30m

Deal found 7/8£622

Mon 2/1105:45 -

2 stops23h 18m

Mon 9/1115:05 -

1 stop10h 40m

Deal found 7/8£735

Fri 18/1211:30 -

2 stops18h 50m

Fri 1/111:05 -

2 stops17h 10m

Deal found 5/8£745

Sat 31/1006:10 -

1 stop18h 55m

Sat 7/1122:00 -

1 stop35h 30m

Deal found 7/8£631

Sat 31/1010:20 -

2 stops29h 48m

Sat 7/1106:09 -

2 stops20h 51m

Deal found 7/8£759

Sat 31/1006:10 -

1 stop18h 55m

Sun 8/1121:00 -

1 stop19h 15m

Deal found 7/8£631

Fri 18/908:55 -

2 stops31h 04m

Fri 25/911:00 -

2 stops22h 25m

Deal found 3/8£778

Fri 4/1216:35 -

1 stop32h 30m

Tue 8/1214:55 -

1 stop18h 35m

Deal found 7/8£644

Wed 2/905:55 -

2 stops22h 10m

Mon 7/906:00 -

2 stops20h 20m

Deal found 4/8£778

Fri 4/908:55 -

2 stops30h 55m

Mon 7/906:00 -

2 stops20h 20m

Deal found 3/8£779

Fri 4/905:55 -

2 stops22h 10m

Sun 6/906:00 -

2 stops27h 25m

Deal found 3/8£779

Sat 5/905:55 -

2 stops21h 28m

Sat 12/906:00 -

2 stops27h 25m

Deal found 6/8£779

Wed 2/908:55 -

2 stops19h 10m

Tue 15/911:00 -

2 stops22h 25m

Deal found 6/8£779

Find flight deals from Ireland to Houston

Round-trip from	£567
One-way from	£315
Popular in	May
Cheapest in	September
Average price	£765

JetBlue
27/8-9/9
2 total stops
65h 25m total
Ireland to Houston

Search Deals

JetBlue
1/9
1 total stop
14h 01m total
Ireland to Houston

Search Deals

Highest demand for flights based on searches. 3% potential increase in price (£19 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

Thu 3/9

11:30-11:04

1 stop29h 34m

Houston George Bush Intcntl

Wed 16/9

11:02-08:20

1 stop15h 18m

£567

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

Tue 13/10

10:45-19:20

1 stop38h 35m

Houston George Bush Intcntl

Sun 18/10

21:15-23:05

1 stop19h 50m

£603

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Sun 1/11

10:40-20:05

1 stop39h 25m

Houston George Bush Intcntl

Mon 9/11

21:00-15:30

1 stop36h 30m

£622

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Sat 31/10

06:10-20:05

1 stop18h 55m

Houston George Bush Intcntl

Sat 7/11

22:00-15:30

1 stop35h 30m

£631

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Sat 31/10

06:10-20:05

1 stop18h 55m

Houston George Bush Intcntl

Sun 8/11

21:00-22:15

1 stop19h 15m

£631

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Fri 4/12

16:35-19:05

1 stop32h 30m

Houston George Bush Intcntl

Tue 8/12

14:55-15:30

1 stop18h 35m

£644

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Tue 29/9

19:30-13:25

1 stop23h 55m

Houston George Bush Intcntl

Wed 28/10

16:50-12:15

1 stop14h 25m

£727

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

£727

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Fri 18/12

10:45-19:55

1 stop15h 10m

Houston George Bush Intcntl

Fri 1/1

15:50-10:15

1 stop12h 25m

£729

Flights are sorted by cheapest return flights first.

Deals found on 5/8

Showing 1-10 of 30 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, November is the cheapest month in which you can book a flight from Ireland to Houston (average of £623). Flying from Ireland to Houston in August is currently the most expensive (average of £783). 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

10,086 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

10,086 reviews

United Airlines

7.4

Good

10,086 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

8,153 reviews

United Airlines

7.4

Good

10,086 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 23h 18m. 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, November is the cheapest month in which you can book a flight from Ireland to Houston (average of £623). Flying from Ireland to Houston in August is currently the most expensive (average of £783). 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

Flights by cabin class

Other flight options

Popular flights

Top destinations

Alternative routes for Ireland to Houston

Heathrow to Dallas/Fort Worth flights

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Belfast City to George Bush Intcntl flights

Newcastle upon Tyne to Dallas/Fort Worth flights

Southampton to Hobby flights

Aberdeen to George Bush Intcntl flights

Gatwick to San Antonio flights

Edinburgh to Love Field flights

Newcastle upon Tyne to George Bush Intcntl flights

London City to San Antonio flights

Leeds to Dallas/Fort Worth flights

Bristol to Dallas/Fort Worth flights

Birmingham to Hobby flights

Top 2 airlines flying from Ireland to Houston

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£541	Average£745	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£592	Average£703	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 £315

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 1/9. 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 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 8 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 8 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 8 August 2026.

Last-minute flights from Ireland to HoustonDiscover last-minute flight deals from Ireland to Houston. Data last updated 8 August 2026 and is based on user searches.

Discover last-minute flight deals from Ireland to Houston. Data last updated 8 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 8 August 2026.

Search for one-way flight options from Ireland to Houston. Find affordable one-way fares based on user searches. Data last updated 8 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 8 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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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 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 8 August 2026.

Last-minute flights from Ireland to Houston
Discover last-minute flight deals from Ireland to Houston. Data last updated 8 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 8 August 2026.