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Cheap flights from Houston to Australia from $474

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Australia departing on 3/2. 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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Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:22 pm - 10:05 pm
IAH
-
SYD
37h 43m
2 stops
Multiple Airlines Logo
2:00 pm - 12:11 am
SYD
-
IAH
26h 11m
2 stops
$854Multiple Airlines
Wed, Mar 18 - Wed, Mar 25
Multiple Airlines Logo
4:34 pm - 12:35 pm
IAH
-
SYD
27h 01m
2 stops
Multiple Airlines Logo
2:00 pm - 12:30 am
SYD
-
IAH
27h 30m
2 stops
$875Multiple Airlines
Sat, Feb 28 - Sat, Mar 7
American Airlines Logo
12:18 pm - 5:00 am
HOU
-
BNE
25h 42m
2 stops
American Airlines Logo
8:40 am - 7:50 pm
BNE
-
HOU
26h 10m
1 stop
$1,154American Airlines
Tue, Mar 10 - Tue, Mar 17
American Airlines Logo
4:20 pm - 5:30 am
HOU
-
BNE
22h 10m
1 stop
American Airlines Logo
8:40 am - 11:48 am
BNE
-
HOU
18h 08m
1 stop
$1,156American Airlines
Tue, Mar 10 - Tue, Mar 17
Delta Logo
2:13 pm - 7:20 am
HOU
-
BNE
26h 07m
2 stops
Delta Logo
10:05 am - 10:42 pm
BNE
-
HOU
27h 37m
2 stops
$1,170Delta
Wed, Mar 18 - Wed, Mar 25
Delta Logo
10:46 am - 6:50 am
HOU
-
SYD
29h 04m
2 stops
Delta Logo
9:15 am - 11:08 pm
SYD
-
HOU
28h 53m
2 stops
$1,474Delta
Mon, May 4 - Wed, May 13
Air New Zealand Logo
2:55 pm - 11:15 am
IAH
-
PER
31h 20m
2 stops
Air New Zealand Logo
12:25 am - 4:25 pm
PER
-
IAH
29h 00m
1 stop
$1,696Air New Zealand
Mon, Aug 3 - Sun, Aug 9
Air New Zealand Logo
8:00 pm - 1:35 pm
IAH
-
PER
28h 35m
2 stops
Air New Zealand Logo
7:50 pm - 4:25 pm
PER
-
IAH
33h 35m
1 stop
$1,706Air New Zealand
Sun, May 3 - Sun, May 10
Qantas Airways Logo
8:21 pm - 6:55 pm
HOU
-
BNE
55h 34m
2 stops
Qantas Airways Logo
8:35 pm - 12:12 pm
BNE
-
HOU
30h 37m
2 stops
$1,778Qantas Airways
Thu, Apr 30 - Sun, May 10
Qantas Airways Logo
4:15 pm - 11:15 am
HOU
-
PER
30h 00m
2 stops
Qantas Airways Logo
6:15 am - 6:00 pm
PER
-
HOU
24h 45m
2 stops
$2,339Qantas Airways
Mon, Aug 3 - Mon, Aug 10

Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets
Qantas Airways
Apr 30
HOU8:21 pmHouston Hobby
55h 34m
2 stops
BNE6:55 pmBrisbane
May 10
BNE8:35 pmBrisbane
30h 37m
2 stops
HOU12:12 pmHouston Hobby
$1,778
Qantas Airways
Apr 11
HOU4:18 pmHouston Hobby
35h 37m
2 stops
BNE6:55 pmBrisbane
May 2
BNE2:00 pmBrisbane
40h 48m
2 stops
HOU3:48 pmHouston Hobby
$1,800
Qantas Airways
Jul 27
HOU8:22 pmHouston Hobby
19h 33m
1 stop
SYD6:55 amSydney Kingsford Smith
Aug 5
SYD12:00 pmSydney Kingsford Smith
18h 50m
1 stop
HOU3:50 pmHouston Hobby
$1,951

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets
American Airlines
Mar 10
HOU12:18 pmHouston Hobby
25h 42m
2 stops
BNE5:00 amBrisbane
Mar 17
BNE8:40 amBrisbane
26h 10m
1 stop
HOU7:50 pmHouston Hobby
$1,154
American Airlines
Mar 10
HOU4:20 pmHouston Hobby
22h 10m
1 stop
BNE5:30 amBrisbane
Mar 17
BNE8:40 amBrisbane
18h 08m
1 stop
HOU11:48 amHouston Hobby
$1,156
American Airlines
Mar 18
HOU4:20 pmHouston Hobby
22h 10m
1 stop
BNE5:30 amBrisbane
Mar 25
BNE6:40 amBrisbane
24h 10m
2 stops
HOU3:50 pmHouston Hobby
$1,182

momondo Fare Finder

 
Customize your flight search to find flights from Houston to Australia 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 9, 2026.
Use the filters below to find and compare flights from Houston to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 3/18

4:22 pm-10:05 pm

2 stops37h 43m

Sydney Kingsford Smith

Wed 3/25

2:00 pm-12:11 am

2 stops26h 11m

$854

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 2/28

4:34 pm-12:35 pm

2 stops27h 01m

Sydney Kingsford Smith

Sat 3/7

2:00 pm-12:30 am

2 stops27h 30m

$875

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Tue 3/10

12:18 pm-5:00 am

2 stops25h 42m

Brisbane

Tue 3/17

8:40 am-7:50 pm

1 stop26h 10m

$1,154

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Tue 3/10

4:20 pm-5:30 am

1 stop22h 10m

Brisbane

Tue 3/17

8:40 am-11:48 am

1 stop18h 08m

$1,156

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Wed 3/18

2:13 pm-7:20 am

2 stops26h 07m

Brisbane

Wed 3/25

10:05 am-10:42 pm

2 stops27h 37m

$1,170

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 5/4

10:46 am-6:50 am

2 stops29h 04m

Sydney Kingsford Smith

Wed 5/13

9:15 am-11:08 pm

2 stops28h 53m

$1,474

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Mon 8/3

2:55 pm-11:15 am

2 stops31h 20m

Perth

Sun 8/9

12:25 am-4:25 pm

1 stop29h 00m

$1,696

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Sun 5/3

8:00 pm-1:35 pm

2 stops28h 35m

Perth

Sun 5/10

7:50 pm-4:25 pm

1 stop33h 35m

$1,706

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Thu 4/30

8:21 pm-6:55 pm

2 stops55h 34m

Brisbane

Sun 5/10

8:35 pm-12:12 pm

2 stops30h 37m

$1,778

HoustonPerth

HOU - PER

HOUPER

Houston Hobby

Mon 8/3

4:15 pm-11:15 am

2 stops30h 00m

Perth

Mon 8/10

6:15 am-6:00 pm

2 stops24h 45m

$2,339

Flights are sorted by cheapest round-trip flights first.

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

How to get the cheapest flight ticket from Houston to Australia

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 Australia?

The month of July is, on average, the cheapest month to fly to Australia from Houston, with most prices found around $853. If you aren’t able to travel during the month of July, then book flights to Australia from Houston during March instead. Flights to Australia in March, while not as cheap as those in July, still average around $871.

What is the cheapest Houston to Australia flight route?

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

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

You are more likely to see cheaper flights to Australia from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,155 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Houston for as low as $945 on momondo.

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

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

Cheap Houston to Australia flight deals and tips

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

Fastest flight time

17h 30m

Direct flights

Every day

Airports in Australia

266 airports
The fastest flight from Houston to Australia takes 17h 30m
Direct flights go from Houston to Australia every day.
There are 266 airports in Australia. From Houston there are direct flights to Sydney Kingsford Smith (SYD).
Search flight deals

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

    Prices for flights from Houston to Australia are updated daily.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Australia.

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

    The travel and health documents you'll need for your trip to Australia 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 Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Australia

Compare and see reviews for airlines that fly from Houston to Australia with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $337Free CancellationRating
7.9
8,174 reviews
Search Delta flights
Qantas AirwaysPriceFrom $447Free CancellationRating
7.5
988 reviews
Search Qantas Airways flights
Fiji AirwaysPriceFrom $740Free CancellationRating
8.0
225 reviews
Search Fiji Airways flights
Air CanadaPriceFrom $750Free CancellationRating
7.1
10,699 reviews
Search Air Canada flights
Air New ZealandPriceFrom $783Free CancellationRating
8.0
582 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $817Free CancellationRating
7.2
11,255 reviews
Search American Airlines flights
United AirlinesPriceFrom $839Free CancellationRating
7.4
9,259 reviews
Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Australia. Millions of users trust and use momondo every year so you are in good hands.

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

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

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

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 Houston to Australia.

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

Yes. momondo can track prices for Houston to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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