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George Bush Intcntl

$848+ Cheap flights from Graz (GRZ) to George Bush Intcntl (IAH)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
GRZ — IAH
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap flight deals from Graz to George Bush Intcntl

Discover tips and strategies to find the most affordable flight options for your journey from Graz (GRZ) to George Bush Intcntl (IAH). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 11, 2025.

Round-trip from

$848
(Lufthansa)

Popular in

August

Cheapest in

March

Average price

$814
From Graz Thalerhof to Houston George Bush Intcntl
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Highest demand for flights based on searches. 8% potential increase in price ($72 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Graz to George Bush Intcntl

Cheapest flights from Graz to George Bush Intcntl
Explore the most affordable flight options available from Graz to George Bush Intcntl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 11, 2025.

This Lufthansa deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:00 amGRZ - IAH
1 stop14h 35mLufthansa
Mon 10/134:45 pmIAH - GRZ
1 stop16h 30mLufthansa
Deal found 9/10$848
This Flysmarter deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:05 amGRZ - IAH
2 stops22h 34mMultiple Airlines
Fri 12/511:55 amIAH - GRZ
2 stops18h 40mMultiple Airlines
Deal found 9/9$849
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:00 amGRZ - IAH
1 stop14h 35mUnited Airlines
Mon 10/137:20 amIAH - GRZ
2 stops23h 50mUnited Airlines
Deal found 9/10$851
This Lufthansa deal was found by Cheapflights users on 9/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/156:05 amGRZ - IAH
1 stop19h 10mLufthansa
Wed 11/1912:10 pmIAH - GRZ
2 stops18h 25mLufthansa
Deal found 9/8$853
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/266:00 amGRZ - IAH
2 stops38h 01mUnited Airlines
Sun 10/59:44 pmIAH - GRZ
2 stops33h 26mUnited Airlines
Deal found 9/11$856
This Lufthansa deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Lufthansa is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:10 amGRZ - IAH
1 stop17h 00mLufthansa
Fri 12/54:30 pmIAH - GRZ
1 stop14h 05mLufthansa
Deal found 9/10$866
This Flysmarter deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/269:55 amGRZ - IAH
1 stop13h 40mLufthansa
Sun 10/53:35 pmIAH - GRZ
2 stops14h 00mLufthansa
Deal found 9/11$881
This United Airlines deal was found by Cheapflights users on 9/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/286:05 amGRZ - IAH
1 stop19h 10mUnited Airlines
Fri 12/54:30 pmIAH - GRZ
1 stop14h 05mUnited Airlines
Deal found 9/9$882

Cheapflights Fare Finder

 
Customize your flight search to find flights from Graz to George Bush Intcntl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 11, 2025.
Use the filters below to find and compare flights from Graz to Houston George Bush Intcntl Airport that are best for you.

Fly from

Graz

Fly to

George Bush Intcntl

Route

Depart

Return

Price

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Thu 10/9

6:00 am-1:35 pm

1 stop14h 35m

Houston George Bush Intcntl

Mon 10/13

4:45 pm-4:15 pm

1 stop16h 30m

$848

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Fri 11/28

6:05 am-9:39 pm

2 stops22h 34m

Houston George Bush Intcntl

Fri 12/5

11:55 am-1:35 pm

2 stops18h 40m

$849

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Thu 10/9

6:00 am-1:35 pm

1 stop14h 35m

Houston George Bush Intcntl

Mon 10/13

7:20 am-2:10 pm

2 stops23h 50m

$851

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Sat 11/15

6:05 am-2:35 pm

1 stop15h 30m

Houston George Bush Intcntl

Wed 11/19

6:55 pm-6:05 pm

1 stop16h 10m

$851

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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

Have a flexible travel schedule? Discover the best time to fly to George Bush Intcntl from Graz with our price prediction graph.
Estimated round-trip 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 Graz to Houston George Bush Intcntl Airport

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

Currently, August is the cheapest month in which you can book a flight from Graz to Houston George Bush Intcntl Airport (average of $241). Flying from Graz to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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.

Related info for your journey

Find useful and relevant information for your journey from Graz 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.

  • What airport do you fly from for flights from Graz to Houston George Bush Intcntl?

    Located just 5.2 mi from the city center, Graz Thalerhof is the airport most travelers will use when flying to Houston George Bush Intcntl from Graz. Booking flights from Thalerhof (GRZ) to Houston George Bush Intcntl should be relatively easy as there are 0 daily outbound flights to Houston George Bush Intcntl from 0 different airlines.

  • How long is the flight from Graz to Houston George Bush Intcntl Airport?

    Airlines like Lufthansa fly from Graz to Houston George Bush Intcntl Airport in about 14h 35m. The time it takes to get you to your destination can typically vary by up to . The distance from Graz to Houston George Bush Intcntl Airport is about 5595 mi.

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

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

  • How can I find direct flights from Graz 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 Graz to George Bush Intcntl.

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

    Yes. Cheapflights offers flight deals from Graz 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 Graz to Houston George Bush Intcntl Airport?

    Currently, August is the cheapest month in which you can book a flight from Graz to Houston George Bush Intcntl Airport (average of $241). Flying from Graz to Houston George Bush Intcntl Airport in March is currently the most expensive (average of $339). 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

Traveling to a place near Houston George Bush Intcntl Airport?

Book flights to Houston George Bush Intcntl Airport if you plan to visit one of these locations
Montgomery
Spring
Jersey Village
Humble
The Woodlands
Conroe
Tomball
Katy
Cypress

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