HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
George Bush Intcntl

$845+ 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
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Graz to George Bush Intcntl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 July 29, 2025.

Round-trip from

$845
(Lufthansa)

Popular in

July

Cheapest in

March

Average price

$921
From Graz Thalerhof to Houston George Bush Intcntl
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($57 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($10 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

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 July 29, 2025.

This Lufthansa deal was found by Cheapflights users on 7/28. 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 stop12h 50mLufthansa
Deal found 7/28$845
This Orbitz deal was found by Cheapflights users on 7/27. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/187:45 pmGRZ - IAH
2 stops33h 29mMultiple Airlines
Mon 9/2210:00 amIAH - GRZ
2 stops16h 55mMultiple Airlines
Deal found 7/27$866
This SWISS deal was found by Cheapflights users on 7/27. 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 SWISS is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/210:40 amGRZ - IAH
2 stops40h 33mSWISS
Mon 9/2212:22 pmIAH - GRZ
2 stops14h 33mSWISS
Deal found 7/27$875
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:00 amGRZ - IAH
2 stops23h 14mAir Canada
Mon 10/1312:05 pmIAH - GRZ
2 stops17h 30mAir Canada
Deal found 7/28$890

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 July 29, 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-12:35 pm

1 stop12h 50m

$845

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Thu 9/18

7:45 pm-10:14 pm

2 stops33h 29m

Houston George Bush Intcntl

Mon 9/22

10:00 am-9:55 am

2 stops16h 55m

$866

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Tue 9/2

10:40 am-8:13 pm

2 stops40h 33m

Houston George Bush Intcntl

Mon 9/22

12:22 pm-9:55 am

2 stops14h 33m

$875

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Thu 10/9

6:00 am-10:14 pm

2 stops23h 14m

Houston George Bush Intcntl

Mon 10/13

12:05 pm-12:35 pm

2 stops17h 30m

$890

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

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.

Reviews of airlines servicing George Bush Intcntl

Get insights into the airlines that provide service to George Bush Intcntl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to George Bush Intcntl. Reviews last updated July 29, 2025.
See what other customers who have flown with SWISS, Air Canada, and Lufthansa from Graz 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.
SWISS
7.5
Good
1,683 reviews

Boarding

7.7

Entertainment

6.8

Comfort

7.4

Crew

8.2

Food

7.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
SWISS
7.5
Good
1,683 reviews
SWISS
7.5
Good
1,683 reviews

Boarding

7.7

Entertainment

6.8

Comfort

7.4

Crew

8.2

Food

7.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
Air Canada
7.1
Good
9,822 reviews
SWISS
7.5
Good
1,683 reviews

Boarding

7.7

Entertainment

6.8

Comfort

7.4

Crew

8.2

Food

7.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.
Lufthansa
6.8
Okay
7,265 reviews
SWISS
7.5
Good
1,683 reviews

Boarding

7.7

Entertainment

6.8

Comfort

7.4

Crew

8.2

Food

7.1

Overall

7.5

Reviews

1 / 20
6.0
Good

Madhukar,Nov 2024

ZRH - BOM

Indian Veg food selection and quality definitely needs a better chef.

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.

  • What are the cheapest airlines flying from Graz to Houston George Bush Intcntl Airport round-trip?

    Our cheapest airline available from Graz to Houston George Bush Intcntl Airport is Lufthansa. Our recent data shows that you can find tickets from as low as $845 on this airline. Additional options worth looking into are SWISS and Air Canada, starting at $875 and $890 round-trip.

  • 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
Humble
Conroe
The Woodlands
Tomball
Katy
Jersey Village

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 Graz to George Bush Intcntl

See prices for flight routes from nearby airports that may be better suited for you.
Vienna to George Bush Intcntl flights
Vienna to Hobby flights
Klagenfurt to George Bush Intcntl flights
Innsbruck to George Bush Intcntl flights

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.