How long is the flight from Ireland to Houston?

Departing from Ireland to Houston will take you 13h 25m. 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.

£355+ 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 21 September 2026.

Mon 9/1110:40 -

1 stop32h 30m

Mon 23/1121:00 -

1 stop30h 35m

Deal found 16/9£577

Mon 23/1110:40 -

1 stop32h 30m

Mon 7/1221:00 -

1 stop30h 35m

Deal found 16/9£578

Mon 2/1110:40 -

1 stop39h 25m

Mon 16/1121:00 -

1 stop36h 30m

Deal found 16/9£581

Thu 29/1006:10 -

1 stop18h 55m

Wed 11/1121:00 -

1 stop30h 35m

Deal found 18/9£582

Fri 20/1110:40 -

1 stop32h 30m

Mon 7/1221:00 -

1 stop30h 35m

Deal found 18/9£590

Thu 15/1005:45 -

1 stop37h 00m

Mon 19/1021:15 -

1 stop30h 20m

Deal found 20/9£595

Tue 17/1106:10 -

1 stop18h 55m

Mon 23/1121:00 -

1 stop36h 30m

Deal found 16/9£596

Thu 15/1005:45 -

1 stop37h 00m

Tue 20/1021:15 -

1 stop19h 50m

Deal found 18/9£598

Thu 29/1011:30 -

2 stops24h 53m

Wed 11/1106:05 -

2 stops17h 10m

Deal found 18/9£606

Thu 29/1008:50 -

2 stops30h 18m

Wed 11/1106:00 -

2 stops26h 30m

Deal found 18/9£667

Wed 4/1105:45 -

2 stops23h 18m

Wed 11/1110:27 -

2 stops25h 58m

Deal found 20/9£668

Mon 2/1112:55 -

1 stop16h 21m

Mon 16/1111:35 -

1 stop13h 35m

Deal found 16/9£669

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 21 September 2026.

Tue 17/1116:35 -

1 stop32h 30m

Mon 23/1121:00 -

1 stop30h 35m

Deal found 20/9£592

Tue 17/1105:45 -

1 stop13h 20m

Mon 23/1111:35 -

2 stops20h 55m

Deal found 17/9£666

Thu 10/1217:15 -

1 stop25h 50m

Mon 28/1209:45 -

1 stop16h 00m

Deal found 16/9£669

Wed 30/1211:30 -

2 stops18h 55m

Sat 16/109:35 -

2 stops18h 40m

Deal found 18/9£740

Mon 9/1110:40 -

1 stop32h 30m

Mon 23/1121:00 -

1 stop30h 35m

Deal found 16/9£595

Thu 15/1010:40 -

1 stop32h 05m

Mon 19/1021:15 -

1 stop36h 50m

Deal found 17/9£599

Thu 10/1205:45 -

1 stop13h 25m

Mon 28/1207:00 -

2 stops20h 00m

Deal found 16/9£667

Mon 9/1105:45 -

1 stop13h 20m

Mon 23/1110:00 -

2 stops17h 00m

Deal found 16/9£667

Fri 20/1113:25 -

2 stops16h 34m

Mon 7/1206:15 -

2 stops20h 45m

Deal found 18/9£667

Tue 27/1016:35 -

1 stop32h 30m

Sat 5/1214:55 -

1 stop36h 40m

Deal found 18/9£670

Thu 15/1005:55 -

1 stop13h 25m

Mon 19/1007:00 -

2 stops19h 20m

Deal found 19/9£667

Fri 20/1113:25 -

2 stops15h 56m

Mon 7/1206:08 -

2 stops26h 22m

Deal found 18/9£667

Wed 4/1105:45 -

2 stops23h 18m

Wed 11/1110:27 -

2 stops25h 58m

Deal found 20/9£668

Wed 9/1213:25 -

2 stops26h 19m

Sun 20/1218:51 -

1 stop30h 54m

Deal found 19/9£670

Thu 10/1205:45 -

2 stops23h 47m

Mon 28/1206:00 -

2 stops26h 30m

Deal found 16/9£671

Mon 2/1113:25 -

2 stops26h 44m

Mon 16/1110:27 -

2 stops22h 03m

Deal found 16/9£671

Sat 3/1011:00 -

1 stop17h 39m

Wed 7/1011:12 -

2 stops22h 13m

Deal found 17/9£681

Thu 15/1011:00 -

1 stop29h 08m

Mon 19/1011:12 -

1 stop15h 33m

Deal found 17/9£683

Sun 1/1106:00 -

2 stops23h 03m

Sun 8/1115:09 -

1 stop10h 36m

Deal found 17/9£711

Find flight deals from Ireland to Houston

Round-trip from	£577
One-way from	£355
Popular in	October
Cheapest in	September
Average price	£580

Turkish Airlines
9/11-23/11
2 total stops
63h 05m total
Ireland to Houston

Search Deals

JetBlue
3/10-31/12
1 total stop
29h 28m total
Ireland to Houston

Search Deals

High demand for flights, 6% potential price rise

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£9 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

Sat 3/10

11:30-10:58

1 stop29h 28m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£355

Fastest return journey

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Wed 2/12

05:45-13:10

1 stop13h 25m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£461

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Wed 2/12

05:45-13:10

1 stop13h 25m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£461

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Sat 3/10

16:10-15:40

3 stops29h 30m

Houston George Bush Intcntl

Wed 31/12

00:00-07:00

Nonstop0h 00m

£570

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

£592

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Mon 9/11

10:40-13:10

1 stop32h 30m

Houston George Bush Intcntl

Mon 23/11

21:00-09:35

1 stop30h 35m

£595

DublinHouston

DUB Dublin - IAH Houston George Bush Intcntl

DUBIAH

Dublin

Thu 15/10

10:40-12:45

1 stop32h 05m

Houston George Bush Intcntl

Mon 19/10

21:15-16:05

1 stop36h 50m

£599

DublinHouston

DUB Dublin - HOU Houston Hobby

DUBHOU

Dublin

Tue 3/11

11:30-22:55

2 stops17h 25m

Houston Hobby

Wed 31/12

00:00-07:00

Nonstop0h 00m

£634

DublinHouston

DUB Dublin - HOU Houston Hobby

DUBHOU

Dublin

Tue 3/11

05:45-23:03

2 stops23h 18m

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

11:35-14:30

2 stops20h 55m

£666

Flights are sorted by cheapest return flights first.

Deals found on 20/9

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 £613). Flying from Ireland to Houston in March is currently the most expensive (average of £754). 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

10,227 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

7.4

Good

10,227 reviews

United Airlines

7.4

Good

10,227 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

8,224 reviews

United Airlines

7.4

Good

10,227 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 13h 25m. 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, November is the cheapest month in which you can book a flight from Ireland to Houston (average of £613). Flying from Ireland to Houston in March is currently the most expensive (average of £754). 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

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Belfast Intl to George Bush Intcntl flights

Top 2 airlines flying from Ireland to Houston

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest£596	Average£679	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
British Airways	Cheapest£605	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 £355

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/10. 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 21 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 21 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 21 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 21 September 2026.

Last-minute flights from Ireland to HoustonDiscover last-minute flight deals from Ireland to Houston. Data last updated 21 September 2026 and is based on user searches.

Discover last-minute flight deals from Ireland to Houston. Data last updated 21 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 21 September 2026.

Search for one-way flight options from Ireland to Houston. Find affordable one-way fares based on user searches. Data last updated 21 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 21 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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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 21 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 21 September 2026.

Last-minute flights from Ireland to Houston
Discover last-minute flight deals from Ireland to Houston. Data last updated 21 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 21 September 2026.