How long is the flight from Ireland to Houston?

Departing from Ireland to Houston will take you 17h 53m. 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 are the most popular airlines that fly from Ireland to Houston?

Before booking your flight from Ireland to Houston check out the most popular airlines for this route: American Airlines, Air France or British Airways.

How far in advance should I book a flight from Ireland to Houston?

To save on the cost of your flight from Ireland to Houston, book at least 60 days before your planned departure. Booking around this time can save you about 21% on the cost of this flight compared to booking a flight leaving this week. We have found prices from £563 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as £777.

What is the cheapest month to fly from Ireland to Houston?

Our data shows that January tends to be the cheapest month to fly to Houston from Ireland. Users have commonly found prices around £631 for the month, but tickets can be as low as £504. Due to multiple factors, prepare for potentially higher prices in April.

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.

£540+ Cheap Flights from Ireland to Houston

Cheap flight deals from Ireland to Houston

Round-trip from	£540
Popular in	April
Cheapest in	January
Average price	£719

Turkish Airlines
30/10-6/11
2 total stops
70h 00m total
Ireland to Houston

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£28 potential increase over avg. return price).

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 August 2025

Search Deals

Find flight deals from Ireland to Houston

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 29 August 2025.

Thu 30/1015:25DUB - IAH

1 stop33h 45mTurkish Airlines

Thu 6/1121:05IAH - DUB

1 stop36h 15mTurkish Airlines

Deal found 28/8£540

Wed 8/1013:35DUB - IAH

1 stop35h 30mTurkish Airlines

Tue 14/1021:00IAH - DUB

1 stop30h 35mTurkish Airlines

Deal found 28/8£543

Thu 28/813:35DUB - IAH

1 stop29h 05mTurkish Airlines

Wed 10/914:25IAH - DUB

1 stop37h 10mTurkish Airlines

Deal found 27/8£544

Thu 16/1010:35DUB - IAH

1 stop32h 05mTurkish Airlines

Mon 10/1121:05IAH - DUB

1 stop30h 35mTurkish Airlines

Deal found 26/8£546

Fri 21/1115:25DUB - IAH

1 stop33h 45mTurkish Airlines

Wed 3/1214:55IAH - DUB

1 stop18h 35mTurkish Airlines

Deal found 27/8£549

Fri 21/1104:25DUB - IAH

2 stops23h 28mMultiple Airlines

Fri 5/1212:17IAH - DUB

2 stops25h 18mMultiple Airlines

Deal found 26/8£550

Sat 22/1116:50DUB - IAH

1 stop26h 20mTurkish Airlines

Fri 5/1221:05IAH - DUB

1 stop19h 05mTurkish Airlines

Deal found 26/8£551

Fri 10/1013:35DUB - IAH

1 stop35h 30mTurkish Airlines

Tue 14/1021:00IAH - DUB

1 stop30h 35mTurkish Airlines

Deal found 28/8£551

Mon 22/1216:30DUB - IAH

1 stop32h 40mTurkish Airlines

Sun 18/121:05IAH - DUB

1 stop36h 25mTurkish Airlines

Deal found 27/8£571

Sat 6/1212:55DUB - HOU

1 stop13h 23mMultiple Airlines

Sun 21/1212:09HOU - DUB

1 stop13h 01mMultiple Airlines

Deal found 28/8£609

Sun 21/1212:55DUB - HOU

1 stop12h 49mMultiple Airlines

Fri 2/112:09HOU - DUB

1 stop13h 01mMultiple Airlines

Deal found 28/8£610

Wed 5/1105:55DUB - HOU

2 stops17h 53mDelta

Wed 12/1114:32HOU - DUB

2 stops19h 13mDelta

Deal found 27/8£627

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 29 August 2025.

Thu 30/1015:25DUB - IAH

1 stop33h 45mTurkish Airlines

Thu 6/1121:05IAH - DUB

1 stop36h 15mTurkish Airlines

Deal found 28/8£540

Fri 21/1104:25DUB - IAH

2 stops23h 28mMultiple Airlines

Fri 5/1212:17IAH - DUB

2 stops25h 18mMultiple Airlines

Deal found 26/8£550

Wed 5/1105:55DUB - HOU

2 stops17h 53mDelta

Wed 12/1114:32HOU - DUB

2 stops19h 13mDelta

Deal found 27/8£627

Wed 5/1109:45DUB - HOU

1 stop19h 15mKLM

Wed 12/1110:40HOU - DUB

1 stop15h 05mKLM

Deal found 27/8£637

Wed 8/1013:35DUB - IAH

1 stop35h 30mTurkish Airlines

Tue 14/1021:00IAH - DUB

1 stop30h 35mTurkish Airlines

Deal found 28/8£543

Thu 16/1010:35DUB - IAH

1 stop32h 05mTurkish Airlines

Mon 10/1121:05IAH - DUB

1 stop36h 15mTurkish Airlines

Deal found 28/8£543

Sat 6/1212:55DUB - HOU

1 stop13h 23mMultiple Airlines

Sun 21/1212:09HOU - DUB

1 stop13h 01mMultiple Airlines

Deal found 28/8£609

Wed 19/1105:55DUB - HOU

2 stops18h 03mDelta

Wed 26/1110:40HOU - DUB

2 stops23h 05mDelta

Deal found 26/8£628

Fri 21/1115:25DUB - IAH

1 stop33h 45mTurkish Airlines

Wed 3/1214:55IAH - DUB

1 stop18h 35mTurkish Airlines

Deal found 27/8£549

Sun 21/1212:55DUB - HOU

1 stop12h 49mMultiple Airlines

Fri 2/112:09HOU - DUB

1 stop13h 01mMultiple Airlines

Deal found 28/8£610

Fri 21/1105:55DUB - HOU

2 stops18h 03mDelta

Wed 3/1217:35HOU - DUB

2 stops16h 10mDelta

Deal found 27/8£636

Sat 22/1116:50DUB - IAH

1 stop26h 20mTurkish Airlines

Fri 5/1221:05IAH - DUB

1 stop19h 05mTurkish Airlines

Deal found 26/8£551

Last-minute flights from Ireland to Houston
Discover last-minute flight deals from Ireland to Houston. Data last updated 29 August 2025 and is based on user searches.

Thu 28/813:35DUB - IAH

1 stop29h 05mTurkish Airlines

Wed 10/914:25IAH - DUB

1 stop37h 10mTurkish Airlines

Deal found 27/8£544

Thu 28/805:55DUB - HOU

2 stops17h 44mDelta

Wed 10/909:57HOU - DUB

2 stops16h 18mDelta

Deal found 27/8£877

Thu 28/805:30DUB - IAH

2 stops19h 26mTAP AIR PORTUGAL

Wed 10/914:46IAH - DUB

2 stops21h 19mTAP AIR PORTUGAL

Deal found 27/8£1,328

Thu 4/909:20DUB - IAH

1 stop16h 22mUnited Airlines

Wed 17/913:51IAH - DUB

1 stop11h 29mUnited Airlines

Deal found 28/8£668

Thu 4/905:55DUB - HOU

2 stops17h 44mDelta

Wed 17/910:44HOU - DUB

2 stops16h 31mDelta

Deal found 28/8£729

Thu 4/918:50DUB - IAH

2 stops30h 06mTAP AIR PORTUGAL

Wed 17/914:35IAH - DUB

2 stops27h 30mTAP AIR PORTUGAL

Deal found 28/8£1,238

Fri 5/905:55DUB - HOU

2 stops22h 36mDelta

Sat 13/906:00HOU - DUB

1 stop20h 45mDelta

Deal found 27/8£748

Sat 13/912:00DUB - HOU

2 stops16h 37mDelta

Fri 19/906:00HOU - DUB

2 stops19h 55mDelta

Deal found 28/8£699

Sun 14/906:00DUB - HOU

2 stops22h 37mDelta

Thu 18/913:13HOU - DUB

2 stops19h 47mDelta

Deal found 28/8£802

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 29 August 2025.

Wed 17/1211:30DUB - IAH

2 stops16h 53mMultiple Airlines

Deal found 28/8£541

Wed 17/1208:50DUB - HOU

2 stops17h 28mBritish Airways

Deal found 28/8£545

Wed 17/1209:45DUB - HOU

1 stop12h 42mDelta

Deal found 28/8£597

Fly from

Fly to

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 30/10

15:25-20:10

1 stop33h 45m

Houston George Bush Intcntl

Thu 6/11

21:05-15:20

1 stop36h 15m

£540

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 8/10

13:35-19:05

1 stop35h 30m

Houston George Bush Intcntl

Tue 14/10

21:00-09:35

1 stop30h 35m

£543

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 16/10

10:35-12:40

1 stop32h 05m

Houston George Bush Intcntl

Mon 10/11

21:05-15:20

1 stop36h 15m

£543

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 21/11

15:25-19:10

1 stop33h 45m

Houston George Bush Intcntl

Wed 3/12

14:55-15:30

1 stop18h 35m

£549

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 21/11

04:25-21:53

2 stops23h 28m

Houston George Bush Intcntl

Fri 5/12

12:17-19:35

2 stops25h 18m

£550

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 22/11

16:50-13:10

1 stop26h 20m

Houston George Bush Intcntl

Fri 5/12

21:05-22:10

1 stop19h 05m

£551

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 10/10

13:35-19:05

1 stop35h 30m

Houston George Bush Intcntl

Tue 14/10

21:00-09:35

1 stop30h 35m

£551

DublinHouston

DUB - IAH

DUBIAH

Dublin

Mon 22/12

16:30-19:10

1 stop32h 40m

Houston George Bush Intcntl

Sun 18/1

21:05-15:30

1 stop36h 25m

£571

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sat 6/12

12:55-20:18

1 stop13h 23m

Houston Hobby

Sun 21/12

12:09-07:10

1 stop13h 01m

£609

DublinHouston

DUB - HOU

DUBHOU

Dublin

Sun 21/12

12:55-19:44

1 stop12h 49m

Houston Hobby

Fri 2/1

12:09-07:10

1 stop13h 01m

£610

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 19 results

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.

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

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

Currently, January is the cheapest month in which you can book a flight from Ireland to Houston (average of £765). Flying from Ireland to Houston in July is currently the most expensive (average of £1,114). 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.

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.

Reviews of airlines servicing Houston

See what other customers who have flown with KLM, Air France, andUnited Airlines 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.

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

KLM

7.8

Good

1,383 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Air France

7.4

Good

1,472 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

United Airlines

7.4

Good

8,941 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

American Airlines

7.2

Good

10,000 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

British Airways

6.7

Okay

7,320 reviews

KLM

7.8

Good

1,383 reviews

Check prices

Reviews

1 / 20

4.0

Okay

Anonymous,Jun 2025

AMS - BOS

A two and half hour delay caused havoc with all connections. Otherwise on board service was great.

Related info for your journey

How long is the flight from Ireland to Houston?
Departing from Ireland to Houston will take you 17h 53m. 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, January is the cheapest month in which you can book a flight from Ireland to Houston (average of £765). Flying from Ireland to Houston in July is currently the most expensive (average of £1,114). 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 for Ireland to Houston

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Heathrow to Hobby flights

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Birmingham to Austin flights

Complete your trip

Houston car hire

Houston Hobby Airport car hire

Houston George Bush Intcntl Airport car hire

College Station Easterwood Field Airport car hire

Beaumont Jefferson County Airport car hire

Top 6 airlines flying from Ireland to Houston

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£483	Average£576	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Air France	Cheapest£503	Average£649	FlexibilityNo cancel fee	On-time77%	Search Air France flights
KLM	Cheapest£504	Average£585	FlexibilityNo cancel fee	On-time75%	Search KLM flights
United Airlines	Cheapest£569	Average£657	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights
American Airlines	Cheapest£674	Average£906	FlexibilityNo cancel fee	On-time71%	Search American Airlines flights
Aer Lingus	Cheapest£713	Average£756	FlexibilityNo cancel fee	On-timeN/A	Search Aer Lingus 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Ireland to Houston from £540

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 30/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to Houston

Keep the following information in mind while searching for Ireland to Houston flight deals. Data was last updated 29 August 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find 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 29 August 2025.

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 29 August 2025.

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

Everything you need to know about your flight from Ireland to Houston

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

What is the cheapest time of day to fly from IE to HOU?

Find hourly flight availability from Ireland to Houston. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 August 2025.

Reviews of airlines servicing Houston

See what other customers who have flown with KLM, Air France, andUnited Airlines 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

Find useful and relevant information for your journey from Ireland to Houston. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

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.

Top 6 airlines flying from Ireland to Houston

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

100% Free

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 29 August 2025.