How long is the flight from Ireland to Houston?

Departing from Ireland to Houston will take you 18h 55m. 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.

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.

£475+ 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 31 October 2026.

Thu 26/1106:35 -

1 stop13h 30m

Tue 8/1221:40 -

1 stop13h 15m

Deal found 30/10£516

Sat 26/1206:35 -

1 stop13h 30m

Fri 8/121:40 -

1 stop12h 55m

Deal found 30/10£517

Sat 14/1112:55 -

1 stop13h 39m

Fri 27/1115:50 -

1 stop21h 55m

Deal found 30/10£542

Fri 18/1206:35 -

1 stop13h 30m

Fri 1/115:50 -

1 stop12h 25m

Deal found 30/10£546

Thu 17/1220:40 -

1 stop23h 25m

Fri 1/115:50 -

1 stop12h 15m

Deal found 30/10£567

Tue 17/1106:10 -

1 stop18h 55m

Mon 23/1121:00 -

1 stop30h 35m

Deal found 27/10£584

Thu 29/1012:05 -

1 stop34h 10m

Sat 31/1017:05 -

1 stop34h 05m

Deal found 27/10£625

Sun 13/1206:40 -

1 stop13h 25m

Sun 20/1210:43 -

1 stop16h 47m

Deal found 29/10£654

Thu 29/1016:35 -

1 stop32h 30m

Thu 5/1115:55 -

1 stop35h 40m

Deal found 28/10£665

Sat 14/1106:35 -

2 stops17h 28m

Fri 27/1121:40 -

1 stop14h 05m

Deal found 30/10£666

Sat 26/1207:35 -

2 stops17h 32m

Fri 8/114:07 -

2 stops15h 08m

Deal found 30/10£671

Thu 5/1111:30 -

2 stops17h 15m

Wed 18/1111:05 -

2 stops17h 10m

Deal found 28/10£728

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 31 October 2026.

Mon 1/318:05 -

2 stops30h 21m

Sun 14/316:50 -

1 stop21h 55m

Deal found 30/10£537

Fri 5/218:25 -

1 stop25h 40m

Sun 7/215:50 -

1 stop14h 20m

Deal found 30/10£543

Thu 26/1106:10 -

1 stop18h 55m

Sun 29/1121:00 -

1 stop30h 35m

Deal found 27/10£677

Thu 26/1105:45 -

1 stop13h 25m

Tue 8/1216:29 -

2 stops16h 01m

Deal found 29/10£751

Sat 26/1206:35 -

2 stops16h 51m

Fri 8/116:23 -

2 stops15h 12m

Deal found 30/10£671

Tue 1/1211:30 -

2 stops17h 30m

Mon 7/1209:15 -

2 stops19h 00m

Deal found 30/10£749

Thu 26/1106:35 -

2 stops21h 43m

Sun 29/1116:16 -

2 stops19h 29m

Deal found 29/10£684

Tue 1/1208:50 -

2 stops20h 41m

Mon 7/1210:30 -

2 stops25h 55m

Deal found 29/10£754

Tue 17/1105:45 -

1 stop13h 20m

Mon 23/1110:00 -

2 stops17h 00m

Deal found 27/10£755

Tue 17/1110:00 -

2 stops19h 05m

Mon 23/1119:01 -

2 stops16h 04m

Deal found 30/10£689

Thu 17/1211:30 -

2 stops17h 15m

Fri 1/105:40 -

2 stops22h 35m

Deal found 26/10£766

Mon 16/1108:50 -

2 stops20h 31m

Mon 30/1115:12 -

1 stop10h 33m

Deal found 28/10£757

Sat 26/1211:30 -

2 stops18h 50m

Fri 8/109:05 -

2 stops19h 10m

Deal found 29/10£804

Sun 13/1208:55 -

2 stops20h 36m

Sun 20/1218:51 -

1 stop30h 54m

Deal found 29/10£778

Mon 14/1205:45 -

2 stops23h 46m

Mon 21/1206:00 -

1 stop19h 45m

Deal found 30/10£779

Thu 8/406:00 -

2 stops21h 43m

Sun 18/413:00 -

2 stops14h 15m

Deal found 27/10£806

Find flight deals from Ireland to Houston

Round-trip from	£516
One-way from	£475
Popular in	October
Cheapest in	September
Average price	£912

British Airways
26/11-8/12
2 total stops
26h 45m total
Ireland to Houston

Search Deals

KLM
8/3-31/12
1 total stop
13h 20m total
Ireland to Houston

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£30 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£12 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Mon 8/3

05:45-13:05

1 stop13h 20m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£475

DublinHouston

DUB Dublin - HOU Houston Hobby

DUBHOU

Dublin

Mon 8/3

05:45-21:43

2 stops21h 58m

Houston Hobby

Wed 31/12

00:00-07:00

Nonstop0h 00m

£479

DublinHouston

DUB Dublin - HOU Houston Hobby

DUBHOU

Dublin

Mon 8/3

09:55-21:43

1 stop17h 48m

Houston Hobby

Wed 31/12

00:00-07:00

Nonstop0h 00m

£486

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Wed 14/4

17:20-13:15

1 stop25h 55m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£506

DublinHouston

DUB Dublin - HOU Houston Hobby

DUBHOU

Dublin

Thu 24/12

13:25-09:53

2 stops26h 28m

Houston Hobby

Wed 31/12

00:00-07:00

Nonstop0h 00m

£509

DublinHouston

DUB Dublin - HOU Houston Hobby

DUBHOU

Dublin

Wed 14/4

11:10-09:49

2 stops28h 39m

Houston Hobby

Wed 31/12

00:00-07:00

Nonstop0h 00m

£510

DublinHouston

DUB Dublin - HOU Houston Hobby

DUBHOU

Dublin

Mon 21/12

10:45-14:15

2 stops33h 30m

Houston Hobby

Wed 31/12

00:00-07:00

Nonstop0h 00m

£520

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Mon 1/3

18:05-18:26

2 stops30h 21m

Houston George Bush Intcntl

Sun 14/3

16:50-19:45

1 stop21h 55m

£537

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Fri 5/2

18:25-14:05

1 stop25h 40m

Houston George Bush Intcntl

Sun 7/2

15:50-12:10

1 stop14h 20m

£543

DublinHouston

DUB Dublin - HOU Houston Hobby

DUBHOU

Dublin

Tue 5/1

18:00-18:48

2 stops30h 48m

Houston Hobby

Wed 31/12

00:00-07:00

Nonstop0h 00m

£560

Flights are sorted by cheapest return flights first.

Deals found on 27/10

Showing 1-10 of 33 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 £584). Flying from Ireland to Houston in November is currently the most expensive (average of £880). 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

7.3

Good

10,461 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

United Airlines

7.3

Good

10,461 reviews

United Airlines

7.3

Good

10,461 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

British Airways

6.7

Okay

8,277 reviews

United Airlines

7.3

Good

10,461 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Asha,Sept 2026

LGA - IAH

The flight was on time and boardi g was very organized and timely. Snacks are awful and having one little glass of juice was terrible. Fortunately, I had my water to keep me hydrated.

Related info for your journey

How long is the flight from Ireland to Houston?
Departing from Ireland to Houston will take you 18h 55m. 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, September is the cheapest month in which you can book a flight from Ireland to Houston (average of £584). Flying from Ireland to Houston in November is currently the most expensive (average of £880). 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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Gatwick to San Antonio flights

Newcastle upon Tyne to Hobby flights

Southend to Austin flights

Liverpool to Dallas/Fort Worth flights

Birmingham to George Bush Intcntl flights

Aberdeen to Dallas/Fort Worth flights

Belfast Intl to Hobby flights

Dublin to Dallas/Fort Worth flights

Heathrow to Brownsville flights

Heathrow to McAllen flights

Top 2 airlines flying from Ireland to Houston

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£662	Average£679	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£744	Average£750	FlexibilityNo cancel fee	On-time70%	Search British Airways 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 £475

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/3. 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 31 October 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 31 October 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 31 October 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 31 October 2026.

Last-minute flights from Ireland to HoustonDiscover last-minute flight deals from Ireland to Houston. Data last updated 31 October 2026 and is based on user searches.

Discover last-minute flight deals from Ireland to Houston. Data last updated 31 October 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 31 October 2026.

Search for one-way flight options from Ireland to Houston. Find affordable one-way fares based on user searches. Data last updated 31 October 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 31 October 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 31 October 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 31 October 2026.

Last-minute flights from Ireland to Houston
Discover last-minute flight deals from Ireland to Houston. Data last updated 31 October 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 31 October 2026.