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Cheap flights from Graz to Houston from $891

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 3/12. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
United Airlines Logo
6:05 am - 3:10 pm
GRZ
-
IAH
15h 05m1 stop
United Airlines Logo
5:50 pm - 3:40 pm
IAH
-
GRZ
15h 50m1 stop
$891United Airlines
jue., mar. 12 - dom., mar. 22
United Airlines Logo
6:05 am - 7:15 pm
GRZ
-
IAH
19h 10m1 stop
United Airlines Logo
12:10 pm - 1:35 pm
IAH
-
GRZ
19h 25m2 stops
$892United Airlines
mar., mar. 10 - mar., mar. 17
United Airlines Logo
6:05 am - 9:39 pm
GRZ
-
IAH
21h 34m2 stops
United Airlines Logo
5:30 pm - 1:35 pm
IAH
-
GRZ
14h 05m1 stop
$896United Airlines
mar., mar. 10 - vie., mar. 20
United Airlines Logo
6:05 am - 7:15 pm
GRZ
-
IAH
19h 10m1 stop
United Airlines Logo
9:50 pm - 3:40 pm
IAH
-
GRZ
35h 50m2 stops
$897United Airlines
mar., mar. 10 - sáb., mar. 21
United Airlines Logo
6:05 am - 5:18 pm
GRZ
-
IAH
17h 13m2 stops
United Airlines Logo
1:38 pm - 1:35 pm
IAH
-
GRZ
17h 57m2 stops
$898United Airlines
mar., mar. 10 - mié., mar. 18
United Airlines Logo
6:05 am - 7:15 pm
GRZ
-
IAH
19h 10m1 stop
United Airlines Logo
7:10 am - 1:35 pm
IAH
-
GRZ
24h 25m2 stops
$899United Airlines
mié., mar. 11 - vie., mar. 20
Multiple Airlines Logo
6:00 am - 1:35 pm
GRZ
-
IAH
14h 35m1 stop
Multiple Airlines Logo
10:00 am - 9:45 am
IAH
-
GRZ
16h 45m2 stops
$900Multiple Airlines
dom., abr. 26 - dom., may. 17
United Airlines Logo
6:05 am - 11:59 pm
GRZ
-
IAH
23h 54m2 stops
United Airlines Logo
7:10 am - 1:35 pm
IAH
-
GRZ
24h 25m2 stops
$904United Airlines
vie., mar. 13 - vie., mar. 20
Air Canada Logo
9:50 am - 9:39 pm
GRZ
-
IAH
41h 49m2 stops
Air Canada Logo
12:10 pm - 12:55 pm
IAH
-
GRZ
18h 45m2 stops
$911Air Canada
lun., mar. 16 - lun., mar. 23
Air Canada Logo
9:50 am - 9:39 pm
GRZ
-
IAH
41h 49m2 stops
Air Canada Logo
11:55 am - 3:40 pm
IAH
-
GRZ
21h 45m2 stops
$914Air Canada
mié., mar. 11 - vie., mar. 20

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
Apr 26
GRZ6:00 amGraz Thalerhof
14h 35m
1 stop
IAH1:35 pmHouston George Bush Intcntl
May 17
IAH3:35 pmHouston George Bush Intcntl
19h 45m
1 stop
GRZ6:20 pmGraz Thalerhof
$939
Find similar
Lufthansa
Mar 13
GRZ6:10 amGraz Thalerhof
15h 00m
2 stops
IAH3:10 pmHouston George Bush Intcntl
Mar 19
IAH5:30 pmHouston George Bush Intcntl
13h 25m
2 stops
GRZ12:55 pmGraz Thalerhof
$940
Find similar
Lufthansa
Mar 12
GRZ6:10 amGraz Thalerhof
15h 00m
2 stops
IAH3:10 pmHouston George Bush Intcntl
Mar 20
IAH5:30 pmHouston George Bush Intcntl
16h 10m
2 stops
GRZ3:40 pmGraz Thalerhof
$969
Find similar

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 16
GRZ9:50 amGraz Thalerhof
41h 49m
2 stops
IAH9:39 pmHouston George Bush Intcntl
Mar 23
IAH12:10 pmHouston George Bush Intcntl
18h 45m
2 stops
GRZ12:55 pmGraz Thalerhof
$911
Find similar
Air Canada
Mar 11
GRZ9:50 amGraz Thalerhof
41h 49m
2 stops
IAH9:39 pmHouston George Bush Intcntl
Mar 20
IAH11:55 amHouston George Bush Intcntl
21h 45m
2 stops
GRZ3:40 pmGraz Thalerhof
$914
Find similar
Air Canada
Apr 9
GRZ9:50 amGraz Thalerhof
41h 36m
2 stops
IAH8:26 pmHouston George Bush Intcntl
Apr 13
IAH11:50 amHouston George Bush Intcntl
16h 00m
2 stops
GRZ10:50 amGraz Thalerhof
$935
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 diciembre 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

Fly to

Route

Depart

Return

Price

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

jue. 3/12

6:05 am-3:10 pm

1 stop15h 05m

Houston George Bush Intcntl

dom. 3/22

5:50 pm-3:40 pm

1 stop15h 50m

$891

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

mar. 3/10

6:05 am-7:15 pm

1 stop19h 10m

Houston George Bush Intcntl

mar. 3/17

12:10 pm-1:35 pm

2 stops19h 25m

$892

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

mar. 3/10

6:05 am-9:39 pm

2 stops21h 34m

Houston George Bush Intcntl

vie. 3/20

5:30 pm-1:35 pm

1 stop14h 05m

$896

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

mar. 3/10

6:05 am-7:15 pm

1 stop19h 10m

Houston George Bush Intcntl

sáb. 3/21

9:50 pm-3:40 pm

2 stops35h 50m

$897

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

mar. 3/10

6:05 am-5:18 pm

2 stops17h 13m

Houston George Bush Intcntl

mié. 3/18

1:38 pm-1:35 pm

2 stops17h 57m

$898

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

mié. 3/11

6:05 am-7:15 pm

1 stop19h 10m

Houston George Bush Intcntl

vie. 3/20

7:10 am-1:35 pm

2 stops24h 25m

$899

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

dom. 4/26

6:00 am-1:35 pm

1 stop14h 35m

Houston George Bush Intcntl

dom. 5/17

10:00 am-9:45 am

2 stops16h 45m

$900

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

vie. 3/13

6:05 am-11:59 pm

2 stops23h 54m

Houston George Bush Intcntl

vie. 3/20

7:10 am-1:35 pm

2 stops24h 25m

$904

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

lun. 3/16

9:50 am-9:39 pm

2 stops41h 49m

Houston George Bush Intcntl

lun. 3/23

12:10 pm-12:55 pm

2 stops18h 45m

$911

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

mié. 3/11

9:50 am-9:39 pm

2 stops41h 49m

Houston George Bush Intcntl

vie. 3/20

11:55 am-3:40 pm

2 stops21h 45m

$914

Flights are sorted by cheapest round-trip flights first.

Sorted by cheapest first

See travel insights to Houston from

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

Fastest flight time

15h 05m

Direct flights

None
The fastest flight from Graz to Houston George Bush Intcntl Airport takes 15h 05m
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 05m 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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