In terms of precipitation, rainfall in Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport when rainfall is around 81.0 mm.

If weather is an important factor for your trip to Houston George Bush Intcntl Airport, 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).

How far in advance should I book a flight from Ireland to Houston George Bush Intcntl Airport?

When searching for a good deal, it’s best to be prepared for potential fluctuations in price. We recommend booking at least 60 days in advance, which can save you up to 21% on flights from Ireland to Houston George Bush Intcntl Airport compared to booking the week you need them. Waiting 60 days out may not be for everyone, so we have options available for flights within the next two weeks, with the lowest price starting at £559. For sooner than that we have options available in the next 3 days from £813.

What is the cheapest month to fly from Ireland to Houston George Bush Intcntl Airport?

The best pricing can be found in the month of January. Prices to Houston George Bush Intcntl Airport from Ireland average £621. You can even find prices in January for less than £621, as users have found deals to Houston George Bush Intcntl Airport from as low as £500. The month of April appears to be one of the more expensive times to travel to Houston George Bush Intcntl Airport from Ireland. Flying in the targeted month can save you up to 20%.

Can I find deals for flights from Ireland to George Bush Intcntl that include hotel bookings?

Yes. In addition to deals on Ireland to George Bush Intcntl flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Ireland to George Bush Intcntl?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to George Bush Intcntl.

Can I find deals for business class flights from Ireland to George Bush Intcntl?

Yes. Cheapflights offers flight deals from Ireland to George Bush Intcntl by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£546+ Flights from Ireland to Houston George Bush Intcntl Airport

Cheap flight deals from Ireland to George Bush Intcntl

Round-trip from	£546
Popular in	April
Cheapest in	January
Average price	£683

Turkish Airlines
25/9-8/10
2 total stops
59h 40m total
Ireland to Houston

Search Deals

Highest demand for flights based on searches. 4% potential increase in price (£20 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 July 2025

Search Deals

Find flight deals from Ireland to George Bush Intcntl

Cheapest flights from Ireland to George Bush Intcntl
Explore the most affordable flight options available from Ireland to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Thu 25/913:35DUB - IAH

1 stop29h 05mTurkish Airlines

Wed 8/1021:00IAH - DUB

1 stop30h 35mTurkish Airlines

Deal found 7/7£546

Fri 11/709:20DUB - IAH

1 stop15h 25mUnited Airlines

Sat 12/718:40IAH - DUB

1 stop33h 05mUnited Airlines

Deal found 7/7£620

Sat 15/1109:15DUB - IAH

1 stop15h 00mMultiple Airlines

Fri 21/1111:55IAH - DUB

1 stop13h 35mMultiple Airlines

Deal found 7/7£621

Wed 17/1217:15DUB - IAH

1 stop26h 15mKLM

Wed 7/112:30IAH - DUB

2 stops14h 15mKLM

Deal found 7/7£627

Thu 21/810:40DUB - IAH

1 stop30h 55mJetBlue

Wed 3/914:39IAH - DUB

1 stop12h 21mJetBlue

Deal found 7/7£633

Thu 18/1205:55DUB - IAH

1 stop13h 35mDelta

Fri 2/111:32IAH - DUB

2 stops14h 33mDelta

Deal found 6/7£637

Tue 22/711:15DUB - IAH

2 stops18h 09mBritish Airways

Tue 5/813:14IAH - DUB

2 stops19h 36mBritish Airways

Deal found 7/7£1,303

Thu 24/713:45DUB - IAH

1 stop15h 39mFinnair

Wed 30/714:29IAH - DUB

2 stops20h 46mFinnair

Deal found 7/7£1,373

Sun 21/1204:25DUB - IAH

2 stops20h 15mTAP AIR PORTUGAL

Mon 5/113:35IAH - DUB

2 stops20h 35mTAP AIR PORTUGAL

Deal found 6/7£1,532

Best flights from Ireland to George Bush Intcntl
Discover carefully curated flight deals from Ireland to George Bush Intcntl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 July 2025.

Thu 25/913:35DUB - IAH

1 stop29h 05mTurkish Airlines

Wed 8/1021:00IAH - DUB

1 stop30h 35mTurkish Airlines

Deal found 7/7£546

Sat 15/1109:15DUB - IAH

1 stop15h 00mMultiple Airlines

Fri 21/1111:55IAH - DUB

1 stop13h 35mMultiple Airlines

Deal found 7/7£621

Sat 15/1109:00DUB - IAH

1 stop15h 38mUnited Airlines

Fri 21/1107:20IAH - DUB

2 stops21h 00mUnited Airlines

Deal found 7/7£622

Wed 17/1217:15DUB - IAH

1 stop26h 15mKLM

Wed 7/112:30IAH - DUB

2 stops14h 15mKLM

Deal found 7/7£627

Thu 21/810:40DUB - IAH

1 stop30h 55mJetBlue

Wed 3/914:39IAH - DUB

1 stop12h 21mJetBlue

Deal found 7/7£633

Thu 18/1205:55DUB - IAH

1 stop13h 35mDelta

Fri 2/111:32IAH - DUB

2 stops14h 33mDelta

Deal found 6/7£637

Tue 22/711:15DUB - IAH

2 stops18h 09mBritish Airways

Thu 31/716:24IAH - DUB

2 stops19h 51mBritish Airways

Deal found 7/7£1,303

Thu 24/713:45DUB - IAH

1 stop15h 39mFinnair

Wed 30/714:29IAH - DUB

2 stops20h 46mFinnair

Deal found 7/7£1,373

Sun 21/1204:25DUB - IAH

2 stops20h 15mTAP AIR PORTUGAL

Mon 5/113:35IAH - DUB

2 stops20h 35mTAP AIR PORTUGAL

Deal found 6/7£1,532

Last-minute flights from Ireland to George Bush Intcntl
Discover last-minute flight deals from Ireland to George Bush Intcntl. Data last updated 8 July 2025 and is based on user searches.

Fri 11/709:20DUB - IAH

1 stop15h 25mUnited Airlines

Sat 12/718:40IAH - DUB

1 stop33h 05mUnited Airlines

Deal found 7/7£620

Tue 22/711:15DUB - IAH

2 stops18h 09mBritish Airways

Tue 5/813:14IAH - DUB

2 stops19h 36mBritish Airways

Deal found 7/7£1,303

Thu 24/713:45DUB - IAH

1 stop15h 39mFinnair

Mon 4/818:23IAH - DUB

2 stops40h 52mFinnair

Deal found 7/7£1,373

Sat 26/710:00DUB - IAH

1 stop14h 21mKLM

Fri 1/814:20IAH - DUB

1 stop11h 35mKLM

Deal found 7/7£1,509

Sun 27/709:20DUB - IAH

1 stop15h 31mAustrian Airlines

Wed 30/711:00IAH - DUB

1 stop14h 20mAustrian Airlines

Deal found 7/7£1,656

Wed 20/805:55DUB - IAH

1 stop13h 40mMultiple Airlines

Tue 26/816:45IAH - DUB

1 stop11h 35mMultiple Airlines

Deal found 7/7£753

Wed 20/805:55DUB - IAH

1 stop13h 20mDelta

Tue 26/816:00IAH - DUB

2 stops17h 00mDelta

Deal found 7/7£758

Thu 21/810:40DUB - IAH

1 stop30h 55mJetBlue

Wed 3/914:39IAH - DUB

1 stop12h 21mJetBlue

Deal found 7/7£633

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Houston George Bush Intcntl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 25/9

13:35-12:40

1 stop29h 05m

Houston George Bush Intcntl

Wed 8/10

21:00-09:35

1 stop30h 35m

£546

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 15/11

09:15-18:15

1 stop15h 00m

Houston George Bush Intcntl

Fri 21/11

11:55-07:30

1 stop13h 35m

£621

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 15/11

09:00-18:38

1 stop15h 38m

Houston George Bush Intcntl

Fri 21/11

07:20-10:20

2 stops21h 00m

£622

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 17/12

17:15-13:30

1 stop26h 15m

Houston George Bush Intcntl

Wed 7/1

12:30-08:45

2 stops14h 15m

£627

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 21/8

10:40-11:35

1 stop30h 55m

Houston George Bush Intcntl

Wed 3/9

14:39-09:00

1 stop12h 21m

£633

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 18/12

05:55-13:30

1 stop13h 35m

Houston George Bush Intcntl

Fri 2/1

11:32-08:05

2 stops14h 33m

£637

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 22/7

11:15-23:24

2 stops18h 09m

Houston George Bush Intcntl

Thu 31/7

16:24-18:15

2 stops19h 51m

£1,303

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 24/7

13:45-23:24

1 stop15h 39m

Houston George Bush Intcntl

Wed 30/7

14:29-17:15

2 stops20h 46m

£1,373

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 21/12

04:25-18:40

2 stops20h 15m

Houston George Bush Intcntl

Mon 5/1

13:35-16:10

2 stops20h 35m

£1,532

DublinHouston

DUB - IAH

DUBIAH

Dublin

Wed 17/12

08:50-21:30

2 stops18h 40m

£547

Flights are sorted by cheapest return flights first.

Deals found on 7/7

Showing 1-10 of 11 results

Best time to book a flight from Ireland to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl 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 George Bush Intcntl Airport

What is the cheapest month to book a flight from Ireland to Houston George Bush Intcntl Airport?

Currently, February is the cheapest month in which you can book a flight from Ireland to Houston George Bush Intcntl Airport (average of £680). Flying from Ireland to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £1,096). 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 IAH?

When flying from Ireland to Houston George Bush Intcntl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing George Bush Intcntl

See what other customers who have flown with Delta, KLM, andFinnair from Ireland to Houston George Bush Intcntl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Delta

8.0

Very Good

7,963 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

KLM

7.8

Good

1,368 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Finnair

7.6

Good

1,312 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

United Airlines

7.4

Good

8,844 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

JetBlue

7.3

Good

2,910 reviews

Delta

8.0

Very Good

7,963 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Can I find deals for flights from Ireland to George Bush Intcntl that include hotel bookings?
Yes. In addition to deals on Ireland to George Bush Intcntl flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Ireland to George Bush Intcntl?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ireland to George Bush Intcntl.
Can I find deals for business class flights from Ireland to George Bush Intcntl?
Yes. Cheapflights offers flight deals from Ireland to George Bush Intcntl 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 George Bush Intcntl Airport?
Currently, February is the cheapest month in which you can book a flight from Ireland to Houston George Bush Intcntl Airport (average of £680). Flying from Ireland to Houston George Bush Intcntl Airport in July is currently the most expensive (average of £1,096). 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

Livingston

The Woodlands

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Houston George Bush Intcntl Airport to London Heathrow Airport flights

Top 2 airlines flying from Ireland to George Bush Intcntl

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£480	Average£585	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£639	Average£683	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

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How does Cheapflights help users find flights from Ireland to George Bush Intcntl?

Deals for Ireland to George Bush Intcntl flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ireland to George Bush Intcntl?

Cheapflights simply makes it quick and affordable to book flights from Ireland to George Bush Intcntl 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 George Bush Intcntl with no change fees?

Need flexible booking options for your flight to George Bush Intcntl from Ireland? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Ireland to George Bush Intcntl become cheaper?

Of course! You can now track prices for flights from Ireland to George Bush Intcntl 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 George Bush Intcntl Airport from £546

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 25/9. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Ireland to George Bush Intcntl

Keep the following information in mind while searching for Ireland to George Bush Intcntl flight deals. Data was last updated 8 July 2025.

Round-trip from

Popular in

Cheapest in

Average price

Find flight deals from Ireland to George Bush Intcntl

Cheapest flights from Ireland to George Bush IntcntlExplore the most affordable flight options available from Ireland to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Explore the most affordable flight options available from Ireland to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Cheapflights Fare Finder

Use the filters below to find and compare flights from Ireland to Houston George Bush Intcntl Airport that are best for you.

Best time to book a flight from Ireland to George Bush Intcntl

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Ireland with our price prediction graph.

Cheapflights Insights

Everything you need to know about your flight from Ireland to Houston George Bush Intcntl Airport

What is the cheapest month to book a flight from Ireland to Houston George Bush Intcntl Airport?

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

Find hourly flight availability from Ireland to George Bush Intcntl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 July 2025.

Reviews of airlines servicing George Bush Intcntl

See what other customers who have flown with Delta, KLM, andFinnair from Ireland to Houston George Bush Intcntl Airport 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 George Bush Intcntl. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

Can I find deals for flights from Ireland to George Bush Intcntl that include hotel bookings?

How can I find direct flights from Ireland to George Bush Intcntl?

Can I find deals for business class flights from Ireland to George Bush Intcntl?

What is the cheapest month to book a flight from Ireland to Houston George Bush Intcntl Airport?

Travelling to a place near Ireland?

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Alternative routes for Ireland to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Ireland to George Bush Intcntl

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How does Cheapflights help users find flights from Ireland to George Bush Intcntl?

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Can Cheapflights find flights from Ireland to George Bush Intcntl with no change fees?

Can Cheapflights notify me if prices for flights from Ireland to George Bush Intcntl become cheaper?

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Cheapest flights from Ireland to George Bush Intcntl
Explore the most affordable flight options available from Ireland to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.