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Cheap flights from Graz to Houston from $871

This is the cheapest round-trip flight price found by a momondo user in the last 72 hours by searching for a flight from Graz to Houston departing on 11/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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United Airlines Logo
6:05 am - 6:15 pmGRZ-IAH
19h 10m1 stop
United Airlines Logo
7:20 am - 1:35 pmIAH-GRZ
23h 15m2 stops
$871United Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
United Airlines Logo
6:05 am - 8:36 pmGRZ-IAH
21h 31m2 stops
United Airlines Logo
10:00 am - 1:35 pmIAH-GRZ
20h 35m2 stops
$874United Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
United Airlines Logo
6:05 am - 8:10 pmGRZ-IAH
21h 05m2 stops
United Airlines Logo
1:31 pm - 1:35 pmIAH-GRZ
17h 04m2 stops
$876United Airlines
Find Deal
Sat, Nov 15 - Wed, Nov 19
Lufthansa Logo
6:10 am - 4:10 pmGRZ-IAH
17h 00m1 stop
Lufthansa Logo
4:50 pm - 3:40 pmIAH-GRZ
15h 50m1 stop
$879Lufthansa
Find Deal
Sat, Nov 15 - Wed, Nov 19
Lufthansa Logo
6:10 am - 4:10 pmGRZ-IAH
17h 00m1 stop
Lufthansa Logo
4:50 pm - 3:40 pmIAH-GRZ
15h 50m1 stop
$882Lufthansa
Find Deal
Sat, Nov 15 - Wed, Nov 19
Lufthansa Logo
9:50 am - 10:55 pmGRZ-IAH
20h 05m2 stops
Lufthansa Logo
4:50 pm - 3:40 pmIAH-GRZ
15h 50m1 stop
$884Lufthansa
Find Deal
Sat, Nov 15 - Wed, Nov 19
Lufthansa Logo
6:05 am - 6:15 pmGRZ-IAH
19h 10m1 stop
Lufthansa Logo
4:50 pm - 3:40 pmIAH-GRZ
15h 50m1 stop
$898Lufthansa
Find Deal
Sat, Nov 15 - Wed, Nov 19
Multiple Airlines Logo
6:05 am - 6:15 pmGRZ-IAH
19h 10m1 stop
Multiple Airlines Logo
11:55 am - 2:10 pmIAH-GRZ
19h 15m2 stops
$1,135Multiple Airlines
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Sun, Dec 28 - Sat, Jan 10
Multiple Airlines Logo
6:05 am - 6:15 pmGRZ-IAH
19h 10m1 stop
Multiple Airlines Logo
7:10 am - 2:10 pmIAH-GRZ
24h 00m2 stops
$1,136Multiple Airlines
Find Deal
Sun, Dec 28 - Sat, Jan 10
Air Canada Logo
9:50 am - 9:44 pmGRZ-IAH
18h 54m2 stops
Air Canada Logo
11:55 am - 2:10 pmIAH-GRZ
19h 15m2 stops
$1,219Air Canada
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Sun, Dec 28 - Sat, Jan 10

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
Nov 15
GRZ6:05 amGraz Thalerhof
19h 10m
1 stop
IAH6:15 pmHouston George Bush Intcntl
Nov 19
IAH7:20 amHouston George Bush Intcntl
23h 15m
2 stops
GRZ1:35 pmGraz Thalerhof
$871
Find similar
United Airlines
Nov 15
GRZ6:05 amGraz Thalerhof
21h 31m
2 stops
IAH8:36 pmHouston George Bush Intcntl
Nov 19
IAH10:00 amHouston George Bush Intcntl
20h 35m
2 stops
GRZ1:35 pmGraz Thalerhof
$874
Find similar
United Airlines
Nov 15
GRZ6:05 amGraz Thalerhof
21h 05m
2 stops
IAH8:10 pmHouston George Bush Intcntl
Nov 19
IAH1:31 pmHouston George Bush Intcntl
17h 04m
2 stops
GRZ1:35 pmGraz Thalerhof
$876
Find similar

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
Nov 15
GRZ6:10 amGraz Thalerhof
17h 00m
1 stop
IAH4:10 pmHouston George Bush Intcntl
Nov 19
IAH4:50 pmHouston George Bush Intcntl
15h 50m
1 stop
GRZ3:40 pmGraz Thalerhof
$879
Find similar
Lufthansa
Nov 15
GRZ6:10 amGraz Thalerhof
17h 00m
1 stop
IAH4:10 pmHouston George Bush Intcntl
Nov 19
IAH4:50 pmHouston George Bush Intcntl
15h 50m
1 stop
GRZ3:40 pmGraz Thalerhof
$882
Find similar
Lufthansa
Nov 15
GRZ9:50 amGraz Thalerhof
20h 05m
2 stops
IAH10:55 pmHouston George Bush Intcntl
Nov 19
IAH4:50 pmHouston George Bush Intcntl
15h 50m
1 stop
GRZ3:40 pmGraz Thalerhof
$884
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Graz to Houston George Bush Intcntl Airport 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, momondo users made 832,500 searches. Data last updated October 22, 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

Fly to

Route

Depart

Return

Price

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Sat 11/15

6:05 am-6:15 pm

1 stop19h 10m

Houston George Bush Intcntl

Wed 11/19

7:20 am-1:35 pm

2 stops23h 15m

$871

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Sat 11/15

6:05 am-8:36 pm

2 stops21h 31m

Houston George Bush Intcntl

Wed 11/19

10:00 am-1:35 pm

2 stops20h 35m

$874

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Sat 11/15

6:05 am-8:10 pm

2 stops21h 05m

Houston George Bush Intcntl

Wed 11/19

1:31 pm-1:35 pm

2 stops17h 04m

$876

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Sat 11/15

6:10 am-4:10 pm

1 stop17h 00m

Houston George Bush Intcntl

Wed 11/19

4:50 pm-3:40 pm

1 stop15h 50m

$879

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Sat 11/15

6:10 am-4:10 pm

1 stop17h 00m

Houston George Bush Intcntl

Wed 11/19

4:50 pm-3:40 pm

1 stop15h 50m

$882

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Sat 11/15

9:50 am-10:55 pm

2 stops20h 05m

Houston George Bush Intcntl

Wed 11/19

4:50 pm-3:40 pm

1 stop15h 50m

$884

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Sat 11/15

6:05 am-6:15 pm

1 stop19h 10m

Houston George Bush Intcntl

Wed 11/19

4:50 pm-3:40 pm

1 stop15h 50m

$898

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Sun 12/28

6:05 am-6:15 pm

1 stop19h 10m

Houston George Bush Intcntl

Sat 1/10

11:55 am-2:10 pm

2 stops19h 15m

$1,135

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Sun 12/28

6:05 am-6:15 pm

1 stop19h 10m

Houston George Bush Intcntl

Sat 1/10

7:10 am-2:10 pm

2 stops24h 00m

$1,136

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

Sun 12/28

9:50 am-9:44 pm

2 stops18h 54m

Houston George Bush Intcntl

Sat 1/10

11:55 am-2:10 pm

2 stops19h 15m

$1,219

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

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How to get the cheapest flight ticket from Graz to Houston George Bush Intcntl Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest day to depart on your flight to Houston George Bush Intcntl Airport?

The cheapest day to depart from Graz to Houston George Bush Intcntl Airport is on a Thursday. Travelers who choose to depart for Houston George Bush Intcntl Airport on a Thursday will often find tickets for as low as $736. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to Houston George Bush Intcntl Airport on Friday is $850.

What is the cheapest time of day to depart on your flight to Houston George Bush Intcntl Airport?

Our data shows that the cheapest Graz to Houston George Bush Intcntl Airport flights are usually those with departure times in the evening. Our users have found flights to Houston George Bush Intcntl Airport in the evening for as low as $785. Try not to purchase tickets in the morning because they tend to be around $786. Of course, these prices can vary depending on the time of year and what airport you fly to.

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

Direct flights

None
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

  • 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 30m 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.

Traveling to a place near Houston?

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

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.

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