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 24 days in advance, which can save you up to 22% on flights from Ireland to Houston George Bush Intcntl Airport compared to booking the week you need them. Waiting 24 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 £611. For sooner than that we have options available in the next 3 days from £807.

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 £640. You can even find prices in January for less than £640, as users have found deals to Houston George Bush Intcntl Airport from as low as £526. The month of March 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 13%.

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.

£572+ Flights from Ireland to Houston George Bush Intcntl Airport

Cheap flight deals from Ireland to George Bush Intcntl

Round-trip from	£428
Popular in	March
Cheapest in	January
Average price	£727

2/5-9/5
5 total stops
66h 39m total
Ireland to Houston

Search Deals

Highest demand for flights based on searches. 0% potential increase in price (£1 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (£7 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 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 31 March 2025.

Fri 2/519:05DUB - IAH

3 stops35h 47mMultiple Airlines

Fri 9/506:23IAH - DUB

2 stops30h 52mMultiple Airlines

Deal found 31/3£428

Tue 11/1110:55DUB - IAH

1 stop38h 15mTurkish Airlines

Sat 15/1115:05IAH - DUB

1 stop18h 45mTurkish Airlines

Deal found 31/3£527

Thu 24/411:30DUB - IAH

1 stop35h 22mJetBlue

Wed 7/511:51IAH - DUB

1 stop15h 09mJetBlue

Deal found 31/3£534

Sun 20/410:30DUB - IAH

1 stop14h 45mBritish Airways

Sat 3/521:00IAH - DUB

1 stop13h 40mBritish Airways

Deal found 31/3£583

Tue 8/405:55DUB - IAH

1 stop13h 20mDelta

Tue 22/406:00IAH - DUB

2 stops20h 15mDelta

Deal found 31/3£587

Sat 19/405:55DUB - IAH

1 stop13h 20mKLM

Fri 25/409:37IAH - DUB

1 stop17h 08mKLM

Deal found 31/3£590

Tue 11/1109:45DUB - IAH

2 stops17h 41mAir France

Sat 15/1117:00IAH - DUB

1 stop32h 45mAir France

Deal found 31/3£611

Fri 16/509:20DUB - IAH

2 stops18h 15mUnited Airlines

Fri 23/518:05IAH - DUB

1 stop31h 05mUnited Airlines

Deal found 31/3£651

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 31 March 2025.

Fri 2/519:05DUB - IAH

3 stops35h 47mMultiple Airlines

Fri 9/506:23IAH - DUB

2 stops30h 52mMultiple Airlines

Deal found 31/3£428

Thu 25/913:35DUB - IAH

1 stop29h 05mTurkish Airlines

Wed 8/1021:00IAH - DUB

1 stop36h 55mTurkish Airlines

Deal found 31/3£533

Thu 24/411:30DUB - IAH

1 stop35h 22mJetBlue

Wed 7/511:51IAH - DUB

1 stop15h 09mJetBlue

Deal found 31/3£534

Sun 20/410:30DUB - IAH

1 stop14h 45mBritish Airways

Sat 3/521:00IAH - DUB

1 stop13h 40mBritish Airways

Deal found 31/3£583

Tue 29/405:55DUB - IAH

1 stop13h 20mDelta

Tue 6/514:51IAH - DUB

2 stops18h 09mDelta

Deal found 31/3£587

Sat 19/405:55DUB - IAH

1 stop13h 20mKLM

Fri 25/409:37IAH - DUB

1 stop17h 08mKLM

Deal found 31/3£590

Fri 16/509:20DUB - IAH

2 stops18h 15mUnited Airlines

Fri 23/518:05IAH - DUB

1 stop31h 05mUnited Airlines

Deal found 31/3£651

Last-minute flights from Ireland to George Bush Intcntl
Discover last-minute flight deals from Ireland to George Bush Intcntl. Data last updated 31 March 2025 and is based on user searches.

Sun 6/409:50DUB - IAH

1 stop17h 24mUnited Airlines

Sun 13/412:00IAH - DUB

2 stops16h 20mUnited Airlines

Deal found 31/3£708

Tue 8/405:55DUB - IAH

1 stop13h 20mDelta

Tue 22/406:00IAH - DUB

2 stops20h 15mDelta

Deal found 31/3£587

Tue 8/420:45DUB - IAH

1 stop22h 30mKLM

Tue 22/414:20IAH - DUB

1 stop11h 25mKLM

Deal found 31/3£590

Sun 13/409:50DUB - IAH

1 stop17h 24mUnited Airlines

Sun 20/406:35IAH - DUB

1 stop21h 10mUnited Airlines

Deal found 31/3£652

Sat 19/405:55DUB - IAH

1 stop13h 20mKLM

Fri 25/409:37IAH - DUB

1 stop17h 08mKLM

Deal found 31/3£590

Sun 20/410:30DUB - IAH

1 stop14h 45mBritish Airways

Sat 3/521:00IAH - DUB

1 stop13h 40mBritish Airways

Deal found 31/3£583

Thu 24/411:30DUB - IAH

1 stop35h 22mJetBlue

Wed 7/511:51IAH - DUB

1 stop15h 09mJetBlue

Deal found 31/3£534

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

Fri 2/5

19:05-00:52

3 stops35h 47m

Houston George Bush Intcntl

Fri 9/5

06:23-19:15

2 stops30h 52m

£428

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 25/9

13:35-12:40

1 stop29h 05m

Houston George Bush Intcntl

Wed 8/10

21:00-15:55

1 stop36h 55m

£533

DublinHouston

DUB - IAH

DUBIAH

Dublin

Thu 24/4

11:30-16:52

1 stop35h 22m

Houston George Bush Intcntl

Wed 7/5

11:51-09:00

1 stop15h 09m

£534

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sun 20/4

10:30-19:15

1 stop14h 45m

Houston George Bush Intcntl

Sat 3/5

21:00-16:40

1 stop13h 40m

£583

DublinHouston

DUB - IAH

DUBIAH

Dublin

Tue 29/4

05:55-13:15

1 stop13h 20m

Houston George Bush Intcntl

Tue 6/5

14:51-15:00

2 stops18h 09m

£587

DublinHouston

DUB - IAH

DUBIAH

Dublin

Sat 19/4

05:55-13:15

1 stop13h 20m

Houston George Bush Intcntl

Fri 25/4

09:37-08:45

1 stop17h 08m

£590

DublinHouston

DUB - IAH

DUBIAH

Dublin

Fri 16/5

09:20-21:35

2 stops18h 15m

Houston George Bush Intcntl

Fri 23/5

18:05-07:10

1 stop31h 05m

£651

Flights are sorted by cheapest return flights first.

Deals found on 31/3

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.

Rainfall in George Bush Intcntl by month

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.

Temperature in George Bush Intcntl by month

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).

Reviews of airlines servicing George Bush Intcntl

Delta

8.0

Very Good

7,899 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Delta

8.0

Very Good

7,899 reviews

Delta

8.0

Very Good

7,899 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

KLM

7.8

Good

1,321 reviews

Delta

8.0

Very Good

7,899 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

United Airlines

7.4

Good

8,614 reviews

Delta

8.0

Very Good

7,899 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

JetBlue

7.3

Good

2,924 reviews

Delta

8.0

Very Good

7,899 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

Turkish Airlines

7.3

Good

3,748 reviews

Delta

8.0

Very Good

7,899 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Aaron,Oct 2024

TUS - LAX

Delta has consistently been the best U.S. airline for my travels and this flight was no exception

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

Conroe

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Alternative routes for Ireland to George Bush Intcntl

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Cardiff to Hobby flights

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Top 2 airlines flying from Ireland to George Bush Intcntl

Airline	Cheapest	Average	Flexibility	On-time
British Airways	Cheapest£505	Average£632	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
United Airlines	Cheapest£579	Average£719	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 £428

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 2/5. 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 31 March 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 31 March 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 31 March 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 31 March 2025.

Rainfall in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average rainfall totals by month.

Temperature in George Bush Intcntl by month

Plan your trip to George Bush Intcntl by taking into account the average temperature totals by month.

Reviews of airlines servicing George Bush Intcntl

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 31 March 2025.