How do I get Price Alerts for flights from Graz to Houston George Bush Intcntl Airport?

You can take advantage of momondo’s Price Alerts by first searching for your flights to Graz from Houston George Bush Intcntl Airport . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

How does momondo find its flight prices?

We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

When did momondo last update prices for flights from Graz Thalerhof Airport to Houston George Bush Intcntl Airport?

Prices for flights from Graz Thalerhof Airport to Houston George Bush Intcntl Airport were last updated today.

How old do you have to be to fly from Graz Thalerhof Airport to Houston George Bush Intcntl Airport?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Graz Thalerhof Airport to Houston George Bush Intcntl Airport.

What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?

The travel and health documents required for your trip to Houston George Bush Intcntl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston George Bush Intcntl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$930 Cheap Flights from Graz to Houston George Bush Intcntl Airport in 2026

Find the cheapest flights from Graz to Houston

Round-trip

One-way

Cheap round-trip flights

Enter your travel dates to find the best prices.

6:15 am - 1:35 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

14h 20m1 stop Frankfurt am Main

4:40 pm - 12:35 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

12h 55m1 stop Munich Franz Josef Strauss

$930United Airlines

Tue, Oct 13 - Mon, Oct 19

6:15 am - 7:54 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

20h 39m2 stops Frankfurt am Main Austin Bergstrom

4:30 pm - 4:10 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

16h 40m2 stops Denver Intl Munich Franz Josef Strauss

$936United Airlines

Tue, Oct 13 - Sun, Oct 18

9:50 am - 9:52 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

19h 02m2 stops Munich Franz Josef Strauss Toronto Pearson Intl

10:00 am - 9:25 amIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

16h 25m2 stops Montreal Pierre Elliott Trudeau Intl Zurich

$1,009Multiple Airlines

Tue, Oct 13 - Fri, Oct 16

10:25 am - 5:50 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

14h 25m1 stop Frankfurt am Main

4:40 pm - 4:10 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

16h 30m1 stop Munich Franz Josef Strauss

$1,028Lufthansa

Tue, Oct 13 - Fri, Oct 16

6:00 am - 1:35 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

14h 35m1 stop Frankfurt am Main

4:40 pm - 12:35 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

12h 55m1 stop Munich Franz Josef Strauss

$1,030Lufthansa

Wed, Oct 14 - Sat, Oct 17

6:00 am - 1:35 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

14h 35m1 stop Frankfurt am Main

5:16 pm - 4:10 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

15h 54m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

$1,032Lufthansa

Wed, Oct 14 - Sat, Oct 17

6:15 am - 1:35 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

14h 20m1 stop Frankfurt am Main

4:30 pm - 4:10 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

16h 40m2 stops Denver Intl Munich Franz Josef Strauss

$1,035United Airlines

Tue, Oct 13 - Sat, Oct 17

6:00 am - 1:35 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

14h 35m1 stop Frankfurt am Main

4:40 pm - 4:10 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

16h 30m1 stop Munich Franz Josef Strauss

$1,036United Airlines

Wed, Oct 14 - Sat, Oct 17

6:00 am - 5:23 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

18h 23m2 stops Frankfurt am Main Austin Bergstrom

2:51 pm - 4:10 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

18h 19m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

$1,041United Airlines

Wed, Oct 14 - Sat, Oct 17

9:50 am - 4:40 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

13h 50m1 stop Munich Franz Josef Strauss

4:40 pm - 12:35 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

12h 55m1 stop Munich Franz Josef Strauss

$1,957Lufthansa

Tue, Oct 13 - Thu, Oct 15

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United Airlines flights from Graz to Houston George Bush Intcntl Airport

Our best United Airlines deals on Graz to Houston George Bush Intcntl Airport flight tickets

United Airlines

Oct 13

GRZ6:15 amGraz Thalerhof

14h 20m

1 stop

IAH1:35 pmHouston George Bush Intcntl

Oct 19

IAH4:40 pmHouston George Bush Intcntl

12h 55m

1 stop

GRZ12:35 pmGraz Thalerhof

$930

United Airlines

Oct 13

GRZ6:15 amGraz Thalerhof

20h 39m

2 stops

IAH7:54 pmHouston George Bush Intcntl

Oct 19

IAH1:45 pmHouston George Bush Intcntl

19h 25m

2 stops

GRZ4:10 pmGraz Thalerhof

$936

United Airlines

Oct 13

GRZ6:15 amGraz Thalerhof

14h 20m

1 stop

IAH1:35 pmHouston George Bush Intcntl

Oct 17

IAH4:30 pmHouston George Bush Intcntl

16h 40m

2 stops

GRZ4:10 pmGraz Thalerhof

$1,035

Lufthansa flights from Graz to Houston George Bush Intcntl Airport

Our best Lufthansa deals on Graz to Houston George Bush Intcntl Airport flight tickets

Lufthansa

Oct 13

GRZ10:25 amGraz Thalerhof

14h 25m

1 stop

IAH5:50 pmHouston George Bush Intcntl

Oct 16

IAH4:40 pmHouston George Bush Intcntl

16h 30m

1 stop

GRZ4:10 pmGraz Thalerhof

$1,028

Lufthansa

Oct 14

GRZ6:00 amGraz Thalerhof

14h 35m

1 stop

IAH1:35 pmHouston George Bush Intcntl

Oct 17

IAH4:40 pmHouston George Bush Intcntl

12h 55m

1 stop

GRZ12:35 pmGraz Thalerhof

$1,030

Lufthansa

Oct 14

GRZ6:00 amGraz Thalerhof

14h 35m

1 stop

IAH1:35 pmHouston George Bush Intcntl

Oct 17

IAH5:16 pmHouston George Bush Intcntl

15h 54m

2 stops

GRZ4:10 pmGraz Thalerhof

$1,032

momondo Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Tue 10/13

6:15 am-1:35 pm

1 stop14h 20m

Houston George Bush Intcntl

Mon 10/19

4:40 pm-12:35 pm

1 stop12h 55m

$930

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Tue 10/13

6:15 am-7:54 pm

2 stops20h 39m

Houston George Bush Intcntl

Sun 10/18

4:30 pm-4:10 pm

2 stops16h 40m

$936

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Tue 10/13

9:50 am-9:52 pm

2 stops19h 02m

Houston George Bush Intcntl

Fri 10/16

10:00 am-9:25 am

2 stops16h 25m

$1,009

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Tue 10/13

10:25 am-5:50 pm

1 stop14h 25m

Houston George Bush Intcntl

Fri 10/16

4:40 pm-4:10 pm

1 stop16h 30m

$1,028

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Wed 10/14

6:00 am-1:35 pm

1 stop14h 35m

Houston George Bush Intcntl

Sat 10/17

4:40 pm-12:35 pm

1 stop12h 55m

$1,030

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Wed 10/14

6:00 am-1:35 pm

1 stop14h 35m

Houston George Bush Intcntl

Sat 10/17

5:16 pm-4:10 pm

2 stops15h 54m

$1,032

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Tue 10/13

6:15 am-1:35 pm

1 stop14h 20m

Houston George Bush Intcntl

Sat 10/17

4:30 pm-4:10 pm

2 stops16h 40m

$1,035

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Wed 10/14

6:00 am-1:35 pm

1 stop14h 35m

Houston George Bush Intcntl

Sat 10/17

4:40 pm-4:10 pm

1 stop16h 30m

$1,036

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Wed 10/14

6:00 am-5:23 pm

2 stops18h 23m

Houston George Bush Intcntl

Sat 10/17

2:51 pm-4:10 pm

2 stops18h 19m

$1,041

Quickest round-trip

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Tue 10/13

9:50 am-4:40 pm

1 stop13h 50m

Houston George Bush Intcntl

Thu 10/15

4:40 pm-12:35 pm

1 stop12h 55m

$1,957

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

When to book flights from Graz to Houston George Bush Intcntl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Graz to Houston George Bush Intcntl Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated round-trip price

Cheap Graz to Houston George Bush Intcntl Airport (GRZ to IAH) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Graz to Houston George Bush Intcntl Airport

Best Price Found	$930
Fastest flight time	14h 35m
Direct flights	None

The best flight deal from Graz to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $930

The fastest flight from Graz to Houston George Bush Intcntl Airport takes 14h 35m

There are no direct flights from Graz to Houston George Bush Intcntl Airport. There are no popular flight routes from Graz to Houston George Bush Intcntl Airport.

Search flight deals

Frequently asked questions about flying from Graz to Houston George Bush Intcntl Airport

How far is Graz Thalerhof to Houston George Bush Intcntl by plane?
A flight from Graz Thalerhof to Houston George Bush Intcntl will travel around 5592.4 mi. Typically, this will take 14h 35m by plane in normal conditions.
When did momondo last update prices for flights from Graz Thalerhof Airport to Houston George Bush Intcntl Airport?
Prices for flights from Graz Thalerhof Airport to Houston George Bush Intcntl Airport were last updated today.
How old do you have to be to fly from Graz Thalerhof Airport to Houston George Bush Intcntl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Graz Thalerhof Airport to Houston George Bush Intcntl Airport.
What documentation or ID do you need to fly to Houston George Bush Intcntl Airport?
The travel and health documents required for your trip to Houston George Bush Intcntl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Houston George Bush Intcntl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Frequently asked questions about flying from Graz to Houston George Bush Intcntl Airport

How do I get Price Alerts for flights from Graz to Houston George Bush Intcntl Airport?
You can take advantage of momondo’s Price Alerts by first searching for your flights to Graz from Houston George Bush Intcntl Airport. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from Graz to Houston George Bush Intcntl Airport with momondo?
Plan your trips smart with the “Price Forecast” feature, which uses flight data to help you pick the best days to fly for the lowest fares. Our “Price Calendar” helps you get the most for your money by showing you when it’s most advantageous to fly. Curate your own travel experiences for less with “Explore”. Expert travel hacks to fuel your next adventure are a click away with “Discover” by momondo. Set up our “Price Alerts” to track fare changes and book when prices are at their lowest point.
How does momondo find its flight prices?
We aggregate our prices from over 700+ competitors from airlines to OTAs. We operate in over 30 markets worldwide to show you a wide range of travel options.

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Why use momondo?

Why should I use momondo to find a flight deal from Graz to Houston?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Graz to Houston for you.

Can I find flights from Graz to Houston with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Houston from Graz with this policy.

How can momondo help me find flights from Graz to Houston?

momondo provides multiple filters to help you find the best flight to Houston from Graz. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

I’m not ready to book a flight from Graz to Houston right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from Graz and alert you when they change.