Cheap flights from Houston to Australia from $421

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 4/15. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Cheap round-trip flights

Enter your travel dates to find the best prices.
Air Canada Logo
4:32 pm - 7:05 am
IAH
-
BNE
47h 33m
2 stops
Air Canada Logo
10:00 am - 1:34 pm
BNE
-
IAH
42h 34m
2 stops
$898Air Canada
Mon, May 4 - Mon, May 11
Air Canada Logo
4:45 pm - 7:05 am
IAH
-
BNE
23h 20m
1 stop
Air Canada Logo
10:00 am - 1:34 pm
BNE
-
IAH
42h 34m
2 stops
$906Air Canada
Mon, May 4 - Mon, May 11
Air New Zealand Logo
9:55 pm - 8:45 am
IAH
-
SYD
19h 50m
1 stop
Air New Zealand Logo
11:55 am - 4:25 pm
SYD
-
IAH
19h 30m
1 stop
$1,019Air New Zealand
Sun, Apr 26 - Sun, May 3
Air New Zealand Logo
8:17 am - 8:45 am
IAH
-
SYD
33h 28m
2 stops
Air New Zealand Logo
11:55 am - 4:25 pm
SYD
-
IAH
19h 30m
1 stop
$1,022Air New Zealand
Sun, Apr 26 - Sun, May 3
American Airlines Logo
12:42 pm - 5:00 am
HOU
-
BNE
25h 18m
2 stops
American Airlines Logo
8:35 pm - 9:26 am
BNE
-
HOU
27h 51m
2 stops
$1,159American Airlines
Sun, Apr 19 - Sun, Apr 26
American Airlines Logo
12:42 pm - 5:00 am
HOU
-
BNE
25h 18m
2 stops
American Airlines Logo
8:35 pm - 9:26 am
BNE
-
HOU
27h 51m
2 stops
$1,197American Airlines
Sun, Apr 19 - Mon, Apr 27
Fiji Airways Logo
6:40 pm - 12:00 pm
HOU
-
MEL
26h 20m
2 stops
Fiji Airways Logo
1:25 pm - 7:53 pm
MEL
-
HOU
21h 28m
2 stops
$1,492Fiji Airways
Tue, Jul 14 - Tue, Aug 4
Fiji Airways Logo
4:20 pm - 1:00 pm
HOU
-
MEL
28h 40m
2 stops
Fiji Airways Logo
1:25 pm - 7:51 pm
MEL
-
HOU
21h 26m
2 stops
$1,511Fiji Airways
Tue, Mar 31 - Tue, Apr 21
Qantas Airways Logo
12:50 pm - 6:55 pm
HOU
-
BNE
39h 05m
2 stops
Qantas Airways Logo
2:00 pm - 3:45 pm
BNE
-
HOU
40h 45m
2 stops
$1,791Qantas Airways
Wed, May 27 - Sat, Jun 6
Qantas Airways Logo
8:12 pm - 2:10 pm
IAH
-
AVV
26h 58m
2 stops
Qantas Airways Logo
6:00 am - 3:48 pm
AVV
-
IAH
24h 48m
2 stops
$1,996Qantas Airways
Mon, Jun 15 - Tue, Jul 14

Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets
Qantas Airways
Mar 13
IAH7:42 pmHouston George Bush Intcntl
21h 18m
1 stop
SYD9:00 amSydney Kingsford Smith
Mar 24
SYD11:20 amSydney Kingsford Smith
23h 51m
1 stop
IAH7:11 pmHouston George Bush Intcntl
$1,487
Qantas Airways
Mar 13
IAH7:42 pmHouston George Bush Intcntl
21h 18m
1 stop
SYD9:00 amSydney Kingsford Smith
Mar 23
SYD11:20 amSydney Kingsford Smith
23h 51m
1 stop
IAH7:11 pmHouston George Bush Intcntl
$1,540
Qantas Airways
Mar 13
IAH7:42 pmHouston George Bush Intcntl
21h 18m
1 stop
SYD9:00 amSydney Kingsford Smith
Mar 26
SYD11:20 amSydney Kingsford Smith
23h 51m
1 stop
IAH7:11 pmHouston George Bush Intcntl
$1,545

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets
American Airlines
Apr 19
HOU12:42 pmHouston Hobby
25h 18m
2 stops
BNE5:00 amBrisbane
Apr 27
BNE8:35 pmBrisbane
27h 51m
2 stops
HOU9:26 amHouston Hobby
$1,197
American Airlines
May 4
HOU8:21 pmHouston Hobby
23h 34m
2 stops
BNE10:55 amBrisbane
May 11
BNE7:40 amBrisbane
23h 09m
2 stops
HOU3:49 pmHouston Hobby
$1,259
American Airlines
Mar 21
IAH2:40 pmHouston George Bush Intcntl
23h 20m
2 stops
BNE5:00 amBrisbane
Apr 11
BNE7:40 amBrisbane
23h 02m
2 stops
IAH3:42 pmHouston George Bush Intcntl
$1,480

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 March 10, 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

Cheapest round-trip

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Mon 5/4

4:32 pm-7:05 am

2 stops47h 33m

Brisbane

Mon 5/11

10:00 am-1:34 pm

2 stops42h 34m

$898

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Mon 5/4

4:45 pm-7:05 am

1 stop23h 20m

Brisbane

Mon 5/11

10:00 am-1:34 pm

2 stops42h 34m

$906
Quickest round-trip

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 4/26

9:55 pm-8:45 am

1 stop19h 50m

Sydney Kingsford Smith

Sun 5/3

11:55 am-4:25 pm

1 stop19h 30m

$1,019

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 4/26

8:17 am-8:45 am

2 stops33h 28m

Sydney Kingsford Smith

Sun 5/3

11:55 am-4:25 pm

1 stop19h 30m

$1,022

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Sun 4/19

12:42 pm-5:00 am

2 stops25h 18m

Brisbane

Sun 4/26

8:35 pm-9:26 am

2 stops27h 51m

$1,159

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Sun 4/19

12:42 pm-5:00 am

2 stops25h 18m

Brisbane

Mon 4/27

8:35 pm-9:26 am

2 stops27h 51m

$1,197

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Tue 7/14

6:40 pm-12:00 pm

2 stops26h 20m

Melbourne

Tue 8/4

1:25 pm-7:53 pm

2 stops21h 28m

$1,492

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Tue 3/31

4:20 pm-1:00 pm

2 stops28h 40m

Melbourne

Tue 4/21

1:25 pm-7:51 pm

2 stops21h 26m

$1,511

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Wed 5/27

12:50 pm-6:55 pm

2 stops39h 05m

Brisbane

Sat 6/6

2:00 pm-3:45 pm

2 stops40h 45m

$1,791

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Mon 6/15

8:12 pm-2:10 pm

2 stops26h 58m

Melbourne Avalon

Tue 7/14

6:00 am-3:48 pm

2 stops24h 48m

$1,996

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 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 October is, on average, the cheapest month to fly to Australia from Houston, with most prices found around $1,041. If you aren’t able to travel during the month of October, then book flights to Australia from Houston during November instead. Flights to Australia in November, while not as cheap as those in October, still average around $1,064.

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 $1,354 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 $988 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

Wed, Fri and Sat

Airports in Australia

266 airports
The fastest flight from Houston to Australia takes 17h 30m
Direct flights go from Houston to Australia on Wednesday, Friday and Saturday. There are no airlines offering direct flights.
There are 266 airports in Australia. From Houston there are direct flights to Sydney Kingsford Smith (SYD).
  • 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 $203Free CancellationRating
7.9
8,276 reviews
Search Delta flights
Qantas AirwaysPriceFrom $447Free CancellationRating
7.5
1,002 reviews
Search Qantas Airways flights
Fiji AirwaysPriceFrom $714Free CancellationRating
8.0
229 reviews
Search Fiji Airways flights
Air CanadaPriceFrom $750Free CancellationRating
7.1
10,800 reviews
Search Air Canada flights
American AirlinesPriceFrom $817Free CancellationRating
7.1
11,414 reviews
Search American Airlines flights
Air New ZealandPriceFrom $830Free CancellationRating
8.0
610 reviews
Search Air New Zealand flights
United AirlinesPriceFrom $839Free CancellationRating
7.4
9,409 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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1 adult
Thu 4/9
Thu 4/16

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