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Cheap flights from Graz to Houston from $841

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 11/17. 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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Find the cheapest flights from Graz to Houston (GRZ-IAH)

Cheap round-trip flights

Logo
2:15 pm - 9:11 amGRZ-IAH
25h 56m2 stops
Logo
11:55 am - 10:40 pmIAH-GRZ
27h 45m2 stops
$841
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lun., nov. 17 - dom., nov. 30
Lufthansa Logo
6:00 am - 1:35 pmGRZ-IAH
14h 35m1 stop
Lufthansa Logo
4:45 pm - 4:15 pmIAH-GRZ
16h 30m1 stop
$845Lufthansa
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jue., oct. 9 - lun., oct. 13
Lufthansa Logo
6:05 am - 2:35 pmGRZ-IAH
15h 30m1 stop
Lufthansa Logo
12:10 pm - 1:35 pmIAH-GRZ
18h 25m2 stops
$847Lufthansa
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sáb., nov. 15 - mié., nov. 19
Lufthansa Logo
6:00 am - 1:35 pmGRZ-IAH
14h 35m1 stop
Lufthansa Logo
4:45 pm - 4:15 pmIAH-GRZ
16h 30m1 stop
$848Lufthansa
Find Deal
jue., oct. 9 - lun., oct. 13
Lufthansa Logo
6:00 am - 1:35 pmGRZ-IAH
14h 35m1 stop
Lufthansa Logo
4:45 pm - 12:35 pmIAH-GRZ
12h 50m1 stop
$849Lufthansa
Find Deal
jue., oct. 9 - lun., oct. 13
United Airlines Logo
6:00 am - 1:35 pmGRZ-IAH
14h 35m1 stop
United Airlines Logo
7:30 am - 2:10 pmIAH-GRZ
23h 40m2 stops
$850United Airlines
Find Deal
jue., oct. 9 - lun., oct. 13
United Airlines Logo
6:05 am - 8:19 pmGRZ-IAH
21h 14m2 stops
United Airlines Logo
1:31 pm - 1:35 pmIAH-GRZ
17h 04m2 stops
$855United Airlines
Find Deal
sáb., nov. 15 - mié., nov. 19
Austrian Airlines Logo
2:55 pm - 7:08 pmGRZ-IAH
35h 13m3 stops
Austrian Airlines Logo
4:20 pm - 1:45 pmIAH-GRZ
14h 25m2 stops
$1,288Austrian Airlines
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dom., dic. 28 - sáb., ene. 10
Austrian Airlines Logo
2:55 pm - 7:08 pmGRZ-IAH
35h 13m3 stops
Austrian Airlines Logo
4:20 pm - 1:45 pmIAH-GRZ
14h 25m2 stops
$1,292Austrian Airlines
Find Deal
dom., dic. 28 - sáb., ene. 10
Air Canada Logo
6:00 am - 9:39 pmGRZ-IAH
22h 39m2 stops
Air Canada Logo
11:55 am - 3:40 pmIAH-GRZ
20h 45m2 stops
$4,517Air Canada
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jue., nov. 6 - mar., nov. 11

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 9
GRZ6:00 amGraz Thalerhof
14h 35m
1 stop
IAH1:35 pmHouston George Bush Intcntl
Oct 13
IAH7:30 amHouston George Bush Intcntl
23h 40m
2 stops
GRZ2:10 pmGraz Thalerhof
$850
Find similar
United Airlines
Nov 15
GRZ6:05 amGraz Thalerhof
21h 14m
2 stops
IAH8:19 pmHouston George Bush Intcntl
Nov 19
IAH1:31 pmHouston George Bush Intcntl
17h 04m
2 stops
GRZ1:35 pmGraz Thalerhof
$855
Find similar
United Airlines
Oct 9
GRZ6:00 amGraz Thalerhof
25h 30m
2 stops
IAH12:30 amHouston George Bush Intcntl
Oct 13
IAH7:30 amHouston George Bush Intcntl
23h 40m
2 stops
GRZ2:10 pmGraz Thalerhof
$857
Find similar

Austrian Airlines flights from Graz to Houston George Bush Intcntl Airport

Our best Austrian Airlines deals on Graz to Houston George Bush Intcntl Airport flight tickets
Austrian Airlines
Dec 28
GRZ2:55 pmGraz Thalerhof
35h 13m
3 stops
IAH7:08 pmHouston George Bush Intcntl
Jan 10
IAH4:20 pmHouston George Bush Intcntl
14h 25m
2 stops
GRZ1:45 pmGraz Thalerhof
$1,288
Find similar
Austrian Airlines
Dec 28
GRZ2:55 pmGraz Thalerhof
35h 13m
3 stops
IAH7:08 pmHouston George Bush Intcntl
Jan 10
IAH4:20 pmHouston George Bush Intcntl
14h 25m
2 stops
GRZ1:45 pmGraz Thalerhof
$1,292
Find similar
Austrian Airlines
Dec 28
GRZ2:55 pmGraz Thalerhof
35h 13m
3 stops
IAH7:08 pmHouston George Bush Intcntl
Jan 10
IAH4:20 pmHouston George Bush Intcntl
14h 25m
2 stops
GRZ1:45 pmGraz Thalerhof
$1,294
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 septiembre 3, 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

lun. 11/17

2:15 pm-9:11 am

2 stops25h 56m

Houston George Bush Intcntl

dom. 11/30

11:55 am-10:40 pm

2 stops27h 45m

$841

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

jue. 10/9

6:00 am-1:35 pm

1 stop14h 35m

Houston George Bush Intcntl

lun. 10/13

4:45 pm-4:15 pm

1 stop16h 30m

$845

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

sáb. 11/15

6:05 am-2:35 pm

1 stop15h 30m

Houston George Bush Intcntl

mié. 11/19

12:10 pm-1:35 pm

2 stops18h 25m

$847

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

jue. 10/9

6:00 am-1:35 pm

1 stop14h 35m

Houston George Bush Intcntl

lun. 10/13

4:45 pm-4:15 pm

1 stop16h 30m

$848

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

jue. 10/9

6:00 am-1:35 pm

1 stop14h 35m

Houston George Bush Intcntl

lun. 10/13

4:45 pm-12:35 pm

1 stop12h 50m

$849

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

jue. 10/9

6:00 am-1:35 pm

1 stop14h 35m

Houston George Bush Intcntl

lun. 10/13

7:30 am-2:10 pm

2 stops23h 40m

$850

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

sáb. 11/15

6:05 am-8:19 pm

2 stops21h 14m

Houston George Bush Intcntl

mié. 11/19

1:31 pm-1:35 pm

2 stops17h 04m

$855

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

dom. 12/28

2:55 pm-7:08 pm

3 stops35h 13m

Houston George Bush Intcntl

sáb. 1/10

4:20 pm-1:45 pm

2 stops14h 25m

$1,288

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

dom. 12/28

2:55 pm-7:08 pm

3 stops35h 13m

Houston George Bush Intcntl

sáb. 1/10

4:20 pm-1:45 pm

2 stops14h 25m

$1,292

GrazHouston

GRZ - IAH

GRZIAH

Graz Thalerhof

jue. 11/6

6:00 am-9:39 pm

2 stops22h 39m

Houston George Bush Intcntl

mar. 11/11

11:55 am-3:40 pm

2 stops20h 45m

$4,517

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

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.
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  • 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.

Traveling to a place near Houston?

Book flights to Houston if you plan to visit one of these locations
The Woodlands
Katy
Conroe
Humble
Cypress
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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