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Cheap flights from Australia to Houston from $635

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Houston departing on 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from Australia to Houston

Recent round-trip flight deals from Australia to Houston

Enter your travel dates to find the best prices.
Multiple Airlines Logo
6:00 am - 12:30 am
SYD
-
IAH
35h 30m
2 stops
Multiple Airlines Logo
4:04 pm - 10:05 pm
IAH
-
SYD
38h 01m
2 stops
$790Multiple Airlines
Sat, Mar 7 - Sat, Mar 21
Multiple Airlines Logo
2:00 pm - 12:11 am
SYD
-
IAH
26h 11m
2 stops
Multiple Airlines Logo
4:22 pm - 10:05 pm
IAH
-
SYD
37h 43m
2 stops
$820Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
Air Canada Logo
9:20 am - 4:24 pm
SYD
-
IAH
22h 04m
1 stop
Air Canada Logo
4:45 pm - 7:20 am
IAH
-
SYD
23h 35m
1 stop
$891Air Canada
Wed, Apr 29 - Mon, May 4
Air Canada Logo
9:20 am - 4:24 pm
SYD
-
IAH
22h 04m
1 stop
Air Canada Logo
10:00 am - 7:20 am
IAH
-
SYD
54h 20m
2 stops
$895Air Canada
Wed, Apr 29 - Mon, May 4
American Airlines Logo
9:10 am - 7:51 pm
SYD
-
HOU
25h 41m
2 stops
American Airlines Logo
12:42 pm - 7:05 am
HOU
-
SYD
27h 23m
2 stops
$974American Airlines
Tue, Apr 28 - Sun, May 10
American Airlines Logo
9:10 am - 7:51 pm
SYD
-
HOU
25h 41m
2 stops
American Airlines Logo
12:42 pm - 7:05 am
HOU
-
SYD
27h 23m
2 stops
$975American Airlines
Wed, Apr 29 - Wed, May 13
Delta Logo
2:15 pm - 10:01 am
SYD
-
HOU
36h 46m
2 stops
Delta Logo
6:00 am - 6:05 am
HOU
-
SYD
32h 05m
2 stops
$993Delta
Mon, Mar 2 - Sun, Mar 22
Delta Logo
9:15 am - 12:40 pm
SYD
-
HOU
42h 25m
2 stops
Delta Logo
6:00 am - 6:50 am
HOU
-
SYD
33h 50m
2 stops
$994Delta
Tue, Apr 28 - Sun, May 10
United Airlines Logo
10:55 am - 8:40 pm
MEL
-
IAH
24h 45m
1 stop
United Airlines Logo
6:05 pm - 8:15 am
IAH
-
MEL
23h 10m
1 stop
$1,034United Airlines
Tue, Jun 2 - Tue, Jun 16
United Airlines Logo
11:30 am - 1:38 pm
MEL
-
IAH
19h 08m
1 stop
United Airlines Logo
3:30 pm - 8:15 am
IAH
-
MEL
25h 45m
1 stop
$1,035United Airlines
Mon, Mar 2 - Tue, Jun 2

Delta flights from Australia to Houston

Our best Delta deals on Australia to Houston flight tickets
Delta
Mar 2
SYD2:15 pmSydney Kingsford Smith
36h 46m
2 stops
HOU10:01 amHouston Hobby
Mar 22
HOU6:00 amHouston Hobby
32h 05m
2 stops
SYD6:05 amSydney Kingsford Smith
$993
Delta
Apr 28
SYD9:15 amSydney Kingsford Smith
42h 25m
2 stops
HOU12:40 pmHouston Hobby
May 10
HOU6:00 amHouston Hobby
33h 50m
2 stops
SYD6:50 amSydney Kingsford Smith
$994
Delta
Apr 15
SYD9:15 amSydney Kingsford Smith
28h 53m
2 stops
HOU11:08 pmHouston Hobby
Apr 24
HOU6:00 amHouston Hobby
33h 50m
2 stops
SYD6:50 amSydney Kingsford Smith
$1,027

American Airlines flights from Australia to Houston

Our best American Airlines deals on Australia to Houston flight tickets
American Airlines
Apr 28
SYD9:10 amSydney Kingsford Smith
25h 41m
2 stops
HOU7:51 pmHouston Hobby
May 10
HOU12:42 pmHouston Hobby
27h 23m
2 stops
SYD7:05 amSydney Kingsford Smith
$974
American Airlines
Apr 29
SYD9:10 amSydney Kingsford Smith
25h 41m
2 stops
HOU7:51 pmHouston Hobby
May 13
HOU12:42 pmHouston Hobby
27h 23m
2 stops
SYD7:05 amSydney Kingsford Smith
$975
American Airlines
Feb 25
SYD2:05 pmSydney Kingsford Smith
23h 16m
1 stop
IAH8:21 pmHouston George Bush Intcntl
Mar 4
IAH7:42 pmHouston George Bush Intcntl
20h 18m
1 stop
SYD9:00 amSydney Kingsford Smith
$981

momondo Fare Finder

 
Customize your flight search to find flights from Australia to Houston 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 February 19, 2026.
Use the filters below to find and compare flights from Australia to Houston that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Sat 3/7

6:00 am-12:30 am

2 stops35h 30m

Houston George Bush Intcntl

Sat 3/21

4:04 pm-10:05 pm

2 stops38h 01m

$790

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Wed 3/18

2:00 pm-12:11 am

2 stops26h 11m

Houston George Bush Intcntl

Wed 3/25

4:22 pm-10:05 pm

2 stops37h 43m

$820

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Wed 4/29

9:20 am-4:24 pm

1 stop22h 04m

Houston George Bush Intcntl

Mon 5/4

4:45 pm-7:20 am

1 stop23h 35m

$891

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Wed 4/29

9:20 am-4:24 pm

1 stop22h 04m

Houston George Bush Intcntl

Mon 5/4

10:00 am-7:20 am

2 stops54h 20m

$895

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Tue 4/28

9:10 am-7:51 pm

2 stops25h 41m

Houston Hobby

Sun 5/10

12:42 pm-7:05 am

2 stops27h 23m

$974

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Wed 4/29

9:10 am-7:51 pm

2 stops25h 41m

Houston Hobby

Wed 5/13

12:42 pm-7:05 am

2 stops27h 23m

$975

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Mon 3/2

2:15 pm-10:01 am

2 stops36h 46m

Houston Hobby

Sun 3/22

6:00 am-6:05 am

2 stops32h 05m

$993

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Tue 4/28

9:15 am-12:40 pm

2 stops42h 25m

Houston Hobby

Sun 5/10

6:00 am-6:50 am

2 stops33h 50m

$994

MelbourneHouston

MEL - IAH

MELIAH

Melbourne

Tue 6/2

10:55 am-8:40 pm

1 stop24h 45m

Houston George Bush Intcntl

Tue 6/16

6:05 pm-8:15 am

1 stop23h 10m

$1,034

MelbourneHouston

MEL - IAH

MELIAH

Melbourne

Mon 3/2

11:30 am-1:38 pm

1 stop19h 08m

Houston George Bush Intcntl

Tue 6/2

3:30 pm-8:15 am

1 stop25h 45m

$1,035

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Houston from

How to get the cheapest flight ticket from Australia to Houston

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 month to fly to Houston?

The month of October is, on average, the cheapest month to fly to Houston from Australia, with most prices found around $1,017. The month of May is another great option to travel to Houston, with average flight prices from Australia averaging around $1,028.

What is the cheapest Australia to Houston flight route?

Fly from Sydney Kingsford Smith to Houston George Bush Intcntl for the best Australia - Houston flight prices

How far in advance should I book a flight to Houston?

You are more likely to see cheaper flights to Houston from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $1,185 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Australia for as low as $960 on momondo.

What cabin class options are available on Australia to Houston flights?

There are 3 cabin classes available to choose from on Australia to Houston flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Australia to Houston flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Australia to Houston

Fastest flight time

15h 35m

Direct flights

Every day

Airports in Houston

2 airports
The fastest flight from Australia to Houston takes 15h 35m
Direct flights go from Australia to Houston every day.
There are 2 airports in Houston. From Australia there are direct flights to Houston George Bush Intcntl (IAH).
Search flight deals

  • When did momondo last update prices for flights from Australia to Houston?

    Prices for flights from Australia to Houston are refreshed on a daily basis.

  • How many operators does momondo search for flights from Australia to Houston?

  • How old do you have to be to fly from Australia to Houston?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Australia to Houston.

  • What documentation or ID do you need to fly to Houston?

    The travel and health documents you'll need for your trip to Houston may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Houston. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Australia to Houston

Compare and see reviews for airlines that fly from Australia to Houston with momondo
Airline
Rating
Free Cancellation
Price
Air CanadaPriceFrom $737Free CancellationRating
7.1
10,733 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,104Free CancellationRating
7.4
9,321 reviews
Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Australia to Houston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Houston that suits you.

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

Yes. momondo allows you to filter the results for Australia to Houston flights to just show those with flexible booking policies.

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

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Australia to Houston.

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

Price alerts on flights to Houston from Australia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.

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