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.

£559+ 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 4 September 2026.

Wed 16/911:30 -

1 stop29h 28m

Wed 23/911:58 -

1 stop15h 02m

Deal found 4/9£559

Tue 17/1116:35 -

1 stop32h 30m

Mon 23/1121:00 -

1 stop30h 35m

Deal found 1/9£592

Thu 15/1010:40 -

1 stop32h 05m

Mon 19/1014:30 -

1 stop19h 35m

Deal found 4/9£596

Mon 5/1011:30 -

1 stop29h 28m

Mon 19/1017:24 -

1 stop33h 36m

Deal found 31/8£597

Tue 17/1119:05 -

2 stops34h 54m

Mon 23/1116:15 -

2 stops20h 05m

Deal found 3/9£602

Fri 6/1116:35 -

1 stop27h 35m

Tue 10/1114:55 -

1 stop18h 35m

Deal found 2/9£622

Thu 29/1008:50 -

2 stops19h 13m

Wed 11/1106:00 -

2 stops26h 30m

Deal found 3/9£667

Sun 25/1013:25 -

2 stops32h 08m

Sat 7/1106:09 -

2 stops20h 51m

Deal found 2/9£668

Tue 1/1208:50 -

2 stops20h 42m

Mon 14/1215:11 -

1 stop10h 34m

Deal found 3/9£669

Thu 8/1005:55 -

2 stops23h 08m

Sun 18/1006:09 -

2 stops20h 11m

Deal found 3/9£671

Thu 10/1213:25 -

2 stops26h 11m

Mon 28/1210:38 -

1 stop15h 07m

Deal found 4/9£671

Mon 5/1011:10 -

2 stops28h 58m

Mon 19/1017:28 -

2 stops15h 57m

Deal found 2/9£672

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 4 September 2026.

Tue 17/1116:35 -

1 stop32h 30m

Mon 23/1121:00 -

1 stop30h 35m

Deal found 3/9£593

Tue 17/1119:05 -

2 stops34h 54m

Mon 23/1116:15 -

2 stops20h 05m

Deal found 3/9£602

Tue 17/1105:45 -

1 stop13h 20m

Mon 23/1110:00 -

2 stops17h 00m

Deal found 2/9£664

Thu 10/1209:40 -

1 stop19h 52m

Mon 28/1210:38 -

1 stop15h 07m

Deal found 4/9£677

Fri 6/1116:35 -

1 stop27h 35m

Tue 10/1114:55 -

1 stop18h 35m

Deal found 1/9£623

Thu 10/1205:45 -

1 stop13h 25m

Mon 28/1205:20 -

2 stops21h 40m

Deal found 4/9£665

Mon 12/1005:55 -

1 stop13h 25m

Thu 29/1011:01 -

2 stops16h 59m

Deal found 3/9£667

Wed 16/905:55 -

1 stop13h 25m

Wed 23/916:59 -

2 stops16h 26m

Deal found 4/9£668

Sun 25/1013:25 -

2 stops32h 08m

Sat 7/1106:09 -

2 stops20h 51m

Deal found 2/9£668

Thu 10/1208:50 -

2 stops20h 42m

Mon 28/1206:00 -

2 stops26h 30m

Deal found 4/9£669

Wed 16/908:55 -

2 stops19h 44m

Wed 23/911:00 -

2 stops15h 15m

Deal found 4/9£672

Thu 8/1005:55 -

2 stops23h 08m

Sun 18/1015:09 -

1 stop11h 36m

Deal found 3/9£673

Thu 17/1209:40 -

1 stop19h 52m

Fri 1/106:00 -

2 stops26h 10m

Deal found 4/9£677

Wed 18/1108:50 -

2 stops20h 31m

Sun 22/1110:27 -

2 stops15h 28m

Deal found 30/8£735

Fri 2/1005:55 -

2 stops22h 44m

Mon 5/1011:00 -

2 stops15h 20m

Deal found 31/8£784

Fri 18/1209:55 -

2 stops29h 58m

Fri 1/106:00 -

1 stop19h 45m

Deal found 3/9£823

Find flight deals from Ireland to Houston

Round-trip from	£592
One-way from	£586
Popular in	May
Cheapest in	September
Average price	£575

Turkish Airlines
17/11-23/11
2 total stops
63h 05m total
Ireland to Houston

Search Deals

Turkish Airlines
13/9-31/12
1 total stop
37h 00m 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 September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Sun 13/9

05:45-12:45

1 stop37h 00m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£586

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

£593

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Mon 14/9

17:10-19:20

1 stop32h 10m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£600

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Wed 16/9

10:40-19:20

1 stop38h 40m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£600

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Tue 17/11

19:05-23:59

2 stops34h 54m

Houston George Bush Intcntl

Mon 23/11

16:15-18:20

2 stops20h 05m

£602

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Fri 6/11

16:35-14:10

1 stop27h 35m

Houston George Bush Intcntl

Tue 10/11

14:55-15:30

1 stop18h 35m

£623

DublinHouston

DUB Dublin - HOU Houston Hobby

DUBHOU

Dublin

Mon 9/11

05:45-23:21

2 stops23h 36m

Houston Hobby

Wed 31/12

00:00-07:00

Nonstop0h 00m

£652

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

£664

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Thu 10/12

05:45-13:10

1 stop13h 25m

Houston George Bush Intcntl

Mon 28/12

05:20-09:00

2 stops21h 40m

£665

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Mon 12/10

05:55-13:20

1 stop13h 25m

Houston George Bush Intcntl

Thu 29/10

11:01-09:00

2 stops16h 59m

£667

Flights are sorted by cheapest return flights first.

Deals found on 31/8

Showing 1-10 of 21 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 £621). Flying from Ireland to Houston in August is currently the most expensive (average of £768). 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

10,169 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

10,169 reviews

United Airlines

7.4

Good

10,169 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

8,203 reviews

United Airlines

7.4

Good

10,169 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, November is the cheapest month in which you can book a flight from Ireland to Houston (average of £621). Flying from Ireland to Houston in August is currently the most expensive (average of £768). 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

Heathrow to Hobby flights

Heathrow to George Bush Intcntl flights

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Aberdeen to Dallas/Fort Worth flights

Edinburgh to Austin flights

Dublin to Dallas/Fort Worth flights

Newcastle upon Tyne to Dallas/Fort Worth flights

Belfast Intl to Dallas/Fort Worth flights

Belfast Intl to George Bush Intcntl flights

Heathrow to El Paso flights

Belfast City to George Bush Intcntl flights

Glasgow Intl to Dallas/Fort Worth flights

Southampton to Austin flights

Birmingham to Love Field flights

Top 2 airlines flying from Ireland to Houston

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£540	Average£743	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£591	Average£715	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 £559

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 16/9. 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 4 September 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 4 September 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 4 September 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 4 September 2026.

Last-minute flights from Ireland to HoustonDiscover last-minute flight deals from Ireland to Houston. Data last updated 4 September 2026 and is based on user searches.

Discover last-minute flight deals from Ireland to Houston. Data last updated 4 September 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 4 September 2026.

Search for one-way flight options from Ireland to Houston. Find affordable one-way fares based on user searches. Data last updated 4 September 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 4 September 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 4 September 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 4 September 2026.

Last-minute flights from Ireland to Houston
Discover last-minute flight deals from Ireland to Houston. Data last updated 4 September 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 4 September 2026.