Cheap flights from Houston to Australia from $458

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 3/10. 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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Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:13 pm - 10:05 pm
IAH
-
SYD
36h 52m2 stops
Multiple Airlines Logo
2:00 pm - 12:19 am
SYD
-
IAH
27h 19m2 stops
$813Multiple Airlines
Wed, Jan 28 - Wed, Feb 4
Multiple Airlines Logo
4:34 pm - 9:30 am
IAH
-
MEL
23h 56m1 stop
Multiple Airlines Logo
6:45 am - 12:30 am
MEL
-
IAH
34h 45m2 stops
$850Multiple Airlines
Fri, Feb 20 - Tue, Mar 3
Air New Zealand Logo
3:02 pm - 10:55 am
IAH
-
MEL
26h 53m2 stops
Air New Zealand Logo
12:10 pm - 2:05 pm
MEL
-
IAH
18h 55m1 stop
$1,122Air New Zealand
Wed, Feb 25 - Wed, Mar 4
Air New Zealand Logo
8:05 pm - 10:55 am
IAH
-
MEL
21h 50m1 stop
Air New Zealand Logo
12:10 pm - 2:05 pm
MEL
-
IAH
18h 55m1 stop
$1,125Air New Zealand
Wed, Feb 25 - Wed, Mar 4
Delta Logo
5:45 am - 6:50 am
HOU
-
SYD
32h 05m2 stops
Delta Logo
10:40 am - 10:28 pm
SYD
-
HOU
28h 48m2 stops
$1,169Delta
Tue, Feb 10 - Tue, Feb 17
Delta Logo
5:45 am - 6:50 am
HOU
-
SYD
32h 05m2 stops
Delta Logo
10:40 am - 10:28 pm
SYD
-
HOU
28h 48m2 stops
$1,219Delta
Sun, Feb 8 - Sat, Feb 21
American Airlines Logo
12:18 pm - 5:00 am
HOU
-
MEL
23h 42m1 stop
American Airlines Logo
4:05 pm - 7:50 pm
MEL
-
HOU
20h 45m1 stop
$1,434American Airlines
Wed, Feb 25 - Wed, Mar 4
American Airlines Logo
4:21 pm - 9:30 am
HOU
-
MEL
24h 09m2 stops
American Airlines Logo
4:05 pm - 7:50 pm
MEL
-
HOU
20h 45m1 stop
$1,439American Airlines
Wed, Feb 25 - Wed, Mar 4
Qantas Airways Logo
12:17 pm - 5:10 pm
HOU
-
BNE
36h 53m2 stops
Qantas Airways Logo
8:30 am - 11:48 am
BNE
-
HOU
42h 18m2 stops
$1,667Qantas Airways
Wed, Feb 18 - Thu, Mar 12
Qantas Airways Logo
7:46 pm - 2:10 pm
IAH
-
AVV
27h 24m2 stops
Qantas Airways Logo
6:00 am - 3:51 pm
AVV
-
IAH
24h 51m2 stops
$1,934Qantas Airways
Mon, Apr 20 - Mon, May 11

Air New Zealand flights from Houston to Australia

Our best Air New Zealand deals on Houston to Australia flight tickets
Air New Zealand
Jan 26
IAH8:05 pmHouston George Bush Intcntl
23h 35m
1 stop
SYD12:40 pmSydney Kingsford Smith
Feb 2
SYD9:55 amSydney Kingsford Smith
28h 56m
2 stops
IAH9:51 pmHouston George Bush Intcntl
Air New Zealand
Feb 22
IAH8:05 pmHouston George Bush Intcntl
19h 40m
1 stop
SYD8:45 amSydney Kingsford Smith
Mar 8
SYD11:45 amSydney Kingsford Smith
19h 20m
1 stop
IAH2:05 pmHouston George Bush Intcntl
Air New Zealand
Feb 9
IAH3:02 pmHouston George Bush Intcntl
24h 43m
2 stops
SYD8:45 amSydney Kingsford Smith
Feb 23
SYD11:45 amSydney Kingsford Smith
19h 20m
1 stop
IAH2:05 pmHouston George Bush Intcntl

United Airlines flights from Houston to Australia

Our best United Airlines deals on Houston to Australia flight tickets
United Airlines
Jun 10
IAH4:20 pmHouston George Bush Intcntl
23h 10m
2 stops
BNE6:30 amBrisbane
Jun 23
BNE10:30 amBrisbane
27h 21m
1 stop
IAH10:51 pmHouston George Bush Intcntl
United Airlines
Jun 1
IAH7:35 amHouston George Bush Intcntl
31h 55m
2 stops
BNE6:30 amBrisbane
Jun 30
BNE10:30 amBrisbane
21h 22m
1 stop
IAH4:52 pmHouston George Bush Intcntl
United Airlines
Jun 17
IAH2:30 pmHouston George Bush Intcntl
25h 00m
2 stops
BNE6:30 amBrisbane
Jul 3
BNE10:30 amBrisbane
36h 50m
2 stops
IAH8:20 amHouston George Bush Intcntl

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 December 31, 2025.
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 1/28

4:13 pm-10:05 pm

2 stops36h 52m

Sydney Kingsford Smith

Wed 2/4

2:00 pm-12:19 am

2 stops27h 19m

$813

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Fri 2/20

4:34 pm-9:30 am

1 stop23h 56m

Melbourne

Tue 3/3

6:45 am-12:30 am

2 stops34h 45m

$850

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 2/25

3:02 pm-10:55 am

2 stops26h 53m

Melbourne

Wed 3/4

12:10 pm-2:05 pm

1 stop18h 55m

$1,122

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 2/25

8:05 pm-10:55 am

1 stop21h 50m

Melbourne

Wed 3/4

12:10 pm-2:05 pm

1 stop18h 55m

$1,125

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 2/10

5:45 am-6:50 am

2 stops32h 05m

Sydney Kingsford Smith

Tue 2/17

10:40 am-10:28 pm

2 stops28h 48m

$1,169

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 2/8

5:45 am-6:50 am

2 stops32h 05m

Sydney Kingsford Smith

Sat 2/21

10:40 am-10:28 pm

2 stops28h 48m

$1,219

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Wed 2/25

12:18 pm-5:00 am

1 stop23h 42m

Melbourne

Wed 3/4

4:05 pm-7:50 pm

1 stop20h 45m

$1,434

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Wed 2/25

4:21 pm-9:30 am

2 stops24h 09m

Melbourne

Wed 3/4

4:05 pm-7:50 pm

1 stop20h 45m

$1,439

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Wed 2/18

12:17 pm-5:10 pm

2 stops36h 53m

Brisbane

Thu 3/12

8:30 am-11:48 am

2 stops42h 18m

$1,667

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Mon 4/20

7:46 pm-2:10 pm

2 stops27h 24m

Melbourne Avalon

Mon 5/11

6:00 am-3:51 pm

2 stops24h 51m

$1,934

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 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 $896.

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 $1,110 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 $863 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 35m

Direct flights

Every day

Airports in Australia

266 airports
The fastest flight from Houston to Australia takes 17h 35m
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).
  • 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
8,012 reviews
Search Delta flights
Air CanadaPriceFrom $750Free CancellationRating
7.1
10,571 reviews
Search Air Canada flights
Air New ZealandPriceFrom $783Free CancellationRating
8.0
563 reviews
Search Air New Zealand flights
Fiji AirwaysPriceFrom $790Free CancellationRating
8.0
212 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom $799Free CancellationRating
7.5
957 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $818Free CancellationRating
7.2
11,070 reviews
Search American Airlines flights
United AirlinesPriceFrom $839Free CancellationRating
7.4
9,122 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
Fri 1/30
Fri 2/6

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