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.

$861 Cheap Flights from Graz to Houston George Bush Intcntl Airport in 2026/27

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.

6:00 am - 9:26 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

22h 26m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

11:55 am - 1:55 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

20h 00m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main

$861Air Canada

Sat, Mar 6 - Sun, Mar 14

6:00 am - 2:00 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

15h 00m1 stop Frankfurt am Main

5:10 pm - 1:55 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

14h 45m1 stop Frankfurt am Main

$890Lufthansa

Sat, Mar 6 - Sun, Mar 14

6:00 am - 9:26 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

22h 26m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

5:10 pm - 1:55 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

14h 45m1 stop Frankfurt am Main

$892Multiple Airlines

Sat, Mar 6 - Sun, Mar 14

6:00 am - 2:00 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

15h 00m1 stop Frankfurt am Main

11:55 am - 1:55 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

20h 00m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main

$893Multiple Airlines

Mon, Mar 8 - Sun, Mar 14

10:20 am - 7:33 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

16h 13m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

11:55 am - 1:55 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

20h 00m2 stops Montreal Pierre Elliott Trudeau Intl Frankfurt am Main

$899Multiple Airlines

Mon, Mar 8 - Sun, Mar 14

6:15 am - 6:00 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

18h 45m1 stop Frankfurt am Main

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

16h 40m1 stop Munich Franz Josef Strauss

$1,014United Airlines

Fri, Apr 9 - Tue, Apr 13

6:15 am - 6:00 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

18h 45m1 stop Frankfurt am Main

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

16h 40m1 stop Munich Franz Josef Strauss

$1,016United Airlines

Fri, Apr 9 - Tue, Apr 13

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

14h 20m1 stop Frankfurt am Main

12:10 pm - 12:35 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

17h 25m2 stops Chicago O'Hare Intl Munich Franz Josef Strauss

$1,017United Airlines

Sat, Apr 10 - Tue, Apr 13

6:15 am - 9:24 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

22h 09m2 stops Frankfurt am Main Montreal Pierre Elliott Trudeau Intl

3:35 pm - 2:00 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

15h 25m2 stops Toronto Pearson Intl Frankfurt am Main

$1,018Air Canada

Fri, Apr 9 - Tue, Apr 13

6:15 am - 7:33 pmGRZ Graz Thalerhof-IAH Houston George Bush Intcntl

20h 18m2 stops Frankfurt am Main Washington, D.C. Dulles Intl

5:05 pm - 4:10 pmIAH Houston George Bush Intcntl-GRZ Graz Thalerhof

16h 05m2 stops Washington, D.C. Dulles Intl Munich Franz Josef Strauss

$1,019United Airlines

Fri, Apr 9 - Tue, Apr 13

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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

Apr 9

GRZ6:15 amGraz Thalerhof

18h 45m

1 stop

IAH6:00 pmHouston George Bush Intcntl

Apr 13

IAH4:30 pmHouston George Bush Intcntl

16h 40m

1 stop

GRZ4:10 pmGraz Thalerhof

$1,014

United Airlines

Apr 9

GRZ6:15 amGraz Thalerhof

18h 45m

1 stop

IAH6:00 pmHouston George Bush Intcntl

Apr 13

IAH4:30 pmHouston George Bush Intcntl

16h 40m

1 stop

GRZ4:10 pmGraz Thalerhof

$1,016

United Airlines

Apr 10

GRZ6:15 amGraz Thalerhof

14h 20m

1 stop

IAH1:35 pmHouston George Bush Intcntl

Apr 13

IAH12:10 pmHouston George Bush Intcntl

17h 25m

2 stops

GRZ12:35 pmGraz Thalerhof

$1,017

Air Canada flights from Graz to Houston George Bush Intcntl Airport

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

Air Canada

Mar 6

GRZ6:00 amGraz Thalerhof

22h 26m

2 stops

IAH9:26 pmHouston George Bush Intcntl

Mar 14

IAH11:55 amHouston George Bush Intcntl

20h 00m

2 stops

GRZ1:55 pmGraz Thalerhof

$861

Air Canada

Apr 9

GRZ6:15 amGraz Thalerhof

22h 09m

2 stops

IAH9:24 pmHouston George Bush Intcntl

Apr 13

IAH3:35 pmHouston George Bush Intcntl

15h 25m

2 stops

GRZ2:00 pmGraz Thalerhof

$1,018

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

Sat 3/6

6:00 am-9:26 pm

2 stops22h 26m

Houston George Bush Intcntl

Sun 3/14

11:55 am-1:55 pm

2 stops20h 00m

$861

Quickest round-trip

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Sat 3/6

6:00 am-2:00 pm

1 stop15h 00m

Houston George Bush Intcntl

Sun 3/14

5:10 pm-1:55 pm

1 stop14h 45m

$890

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Sat 3/6

6:00 am-9:26 pm

2 stops22h 26m

Houston George Bush Intcntl

Sun 3/14

5:10 pm-1:55 pm

1 stop14h 45m

$892

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Mon 3/8

6:00 am-2:00 pm

1 stop15h 00m

Houston George Bush Intcntl

Sun 3/14

11:55 am-1:55 pm

2 stops20h 00m

$893

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Mon 3/8

10:20 am-7:33 pm

2 stops16h 13m

Houston George Bush Intcntl

Sun 3/14

11:55 am-1:55 pm

2 stops20h 00m

$899

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Fri 4/9

6:15 am-6:00 pm

1 stop18h 45m

Houston George Bush Intcntl

Tue 4/13

4:30 pm-4:10 pm

1 stop16h 40m

$1,014

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Fri 4/9

6:15 am-6:00 pm

1 stop18h 45m

Houston George Bush Intcntl

Tue 4/13

4:30 pm-4:10 pm

1 stop16h 40m

$1,016

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Sat 4/10

6:15 am-1:35 pm

1 stop14h 20m

Houston George Bush Intcntl

Tue 4/13

12:10 pm-12:35 pm

2 stops17h 25m

$1,017

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Fri 4/9

6:15 am-9:24 pm

2 stops22h 09m

Houston George Bush Intcntl

Tue 4/13

3:35 pm-2:00 pm

2 stops15h 25m

$1,018

GrazHouston

GRZ Graz Thalerhof - IAH Houston George Bush Intcntl

GRZIAH

Graz Thalerhof

Fri 4/9

6:15 am-7:33 pm

2 stops20h 18m

Houston George Bush Intcntl

Tue 4/13

5:05 pm-4:10 pm

2 stops16h 05m

$1,019

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	$861
Fastest flight time	15h 00m
Direct flights	None

The best flight deal from Graz to Houston George Bush Intcntl Airport found on momondo in the last 72 hours is $861

The fastest flight from Graz to Houston George Bush Intcntl Airport takes 15h 00m

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 15h 00m 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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Livingston

Tomball

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.