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Cheap flights from Houston to Australia from $456

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 12/11. 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

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Multiple Airlines Logo
4:14 pm - 12:35 pmIAH-SYD
27h 21m2 stops
Multiple Airlines Logo
2:00 pm - 12:57 amSYD-IAH
27h 57m2 stops
$966Multiple Airlines
Find Deal
Tue, Feb 10 - Tue, Feb 24
Multiple Airlines Logo
4:14 pm - 10:35 amIAH-BNE
26h 21m2 stops
Multiple Airlines Logo
7:35 pm - 12:57 amBNE-IAH
45h 22m3 stops
$979Multiple Airlines
Find Deal
Tue, Feb 3 - Tue, Feb 17
Air Canada Logo
5:25 pm - 8:45 amIAH-BNE
23h 20m1 stop
Air Canada Logo
10:45 am - 4:24 pmBNE-IAH
21h 39m1 stop
$1,006Air Canada
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Thu, Dec 11 - Thu, Dec 25
Air Canada Logo
9:39 am - 8:45 amIAH-BNE
31h 06m2 stops
Air Canada Logo
10:45 am - 9:44 pmBNE-IAH
26h 59m2 stops
$1,012Air Canada
Find Deal
Thu, Dec 11 - Thu, Dec 25
American Airlines Logo
10:21 am - 5:00 amHOU-MEL
26h 39m1 stop
American Airlines Logo
9:45 am - 8:02 pmMEL-HOU
25h 17m2 stops
$1,484American Airlines
Find Deal
Wed, Mar 18 - Fri, May 8
American Airlines Logo
4:55 pm - 10:05 amHOU-MEL
24h 10m2 stops
American Airlines Logo
6:00 am - 11:46 amMEL-HOU
22h 46m2 stops
$1,493American Airlines
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Tue, Feb 3 - Tue, Feb 17
Qantas Airways Logo
4:22 pm - 5:10 pmHOU-BNE
32h 48m2 stops
Qantas Airways Logo
8:30 am - 1:30 pmBNE-HOU
44h 00m2 stops
$1,642Qantas Airways
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Wed, Feb 18 - Thu, Mar 12
Qantas Airways Logo
6:36 pm - 2:25 pmHOU-SYD
26h 49m2 stops
Qantas Airways Logo
6:20 am - 11:46 amSYD-HOU
22h 26m2 stops
$1,693Qantas Airways
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Fri, Jan 23 - Sun, Mar 1
Delta Logo
10:46 am - 6:50 amHOU-SYD
27h 04m2 stops
Delta Logo
10:40 am - 4:10 pmSYD-HOU
22h 30m2 stops
$1,716Delta
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Thu, Dec 25 - Sat, Jan 10
Delta Logo
6:00 am - 8:30 amHOU-SYD
33h 30m2 stops
Delta Logo
10:40 am - 11:11 pmSYD-HOU
29h 31m2 stops
$1,766Delta
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Wed, Dec 10 - Mon, Dec 29

Air New Zealand flights from Houston to Australia

Our best Air New Zealand deals on Houston to Australia flight tickets
Air New Zealand
Apr 1
IAH4:27 pmHouston George Bush Intcntl
24h 03m
1 stop
MEL8:30 amMelbourne
Apr 15
MEL8:35 amMelbourne
22h 50m
1 stop
IAH4:25 pmHouston George Bush Intcntl
$1,280
Find similar
Air New Zealand
Feb 1
IAH5:30 pmHouston George Bush Intcntl
23h 00m
1 stop
MEL9:30 amMelbourne
Jun 9
MEL12:05 pmMelbourne
24h 10m
2 stops
IAH9:15 pmHouston George Bush Intcntl
$1,283
Find similar
Air New Zealand
May 4
IAH8:10 pmHouston George Bush Intcntl
19h 50m
1 stop
SYD7:00 amSydney Kingsford Smith
May 13
SYD8:45 amSydney Kingsford Smith
22h 40m
1 stop
IAH4:25 pmHouston George Bush Intcntl
$1,286
Find similar

Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets
Qantas Airways
Feb 18
HOU4:22 pmHouston Hobby
32h 48m
2 stops
BNE5:10 pmBrisbane
Mar 12
BNE8:30 amBrisbane
44h 00m
2 stops
HOU1:30 pmHouston Hobby
$1,642
Find similar
Qantas Airways
Jan 23
HOU6:36 pmHouston Hobby
26h 49m
2 stops
SYD2:25 pmSydney Kingsford Smith
Mar 1
SYD6:20 amSydney Kingsford Smith
22h 26m
2 stops
HOU11:46 amHouston Hobby
$1,693
Find similar
Qantas Airways
Feb 3
HOU6:36 pmHouston Hobby
41h 24m
1 stop
MEL5:00 amMelbourne
Feb 17
MEL6:30 pmMelbourne
38h 22m
2 stops
HOU3:52 pmHouston Hobby
$1,751
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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 November 18, 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

Tue 2/10

4:14 pm-12:35 pm

2 stops27h 21m

Sydney Kingsford Smith

Tue 2/24

2:00 pm-12:57 am

2 stops27h 57m

$966

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 2/3

4:14 pm-10:35 am

2 stops26h 21m

Brisbane

Tue 2/17

7:35 pm-12:57 am

3 stops45h 22m

$979

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 12/11

5:25 pm-8:45 am

1 stop23h 20m

Brisbane

Thu 12/25

10:45 am-4:24 pm

1 stop21h 39m

$1,006

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 12/11

9:39 am-8:45 am

2 stops31h 06m

Brisbane

Thu 12/25

10:45 am-9:44 pm

2 stops26h 59m

$1,012

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Wed 3/18

10:21 am-5:00 am

1 stop26h 39m

Melbourne

Fri 5/8

9:45 am-8:02 pm

2 stops25h 17m

$1,484

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Tue 2/3

4:55 pm-10:05 am

2 stops24h 10m

Melbourne

Tue 2/17

6:00 am-11:46 am

2 stops22h 46m

$1,493

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Wed 2/18

4:22 pm-5:10 pm

2 stops32h 48m

Brisbane

Thu 3/12

8:30 am-1:30 pm

2 stops44h 00m

$1,642

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Fri 1/23

6:36 pm-2:25 pm

2 stops26h 49m

Sydney Kingsford Smith

Sun 3/1

6:20 am-11:46 am

2 stops22h 26m

$1,693

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Thu 12/25

10:46 am-6:50 am

2 stops27h 04m

Sydney Kingsford Smith

Sat 1/10

10:40 am-4:10 pm

2 stops22h 30m

$1,716

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 12/10

6:00 am-8:30 am

2 stops33h 30m

Sydney Kingsford Smith

Mon 12/29

10:40 am-11:11 pm

2 stops29h 31m

$1,766

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 April instead. Flights to Australia in April, while not as cheap as those in July, still average around $874.

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from Houston to Australia is on a Tuesday. Travelers who choose to depart for Australia on a Tuesday will often find tickets for as low as $1,171. On the other hand, Thursday is the most expensive day to depart from Houston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,370.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from Houston at noon is the least expensive time of day to depart. momondo users have found prices as low as $868 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,655 on average. Flights to Australia from Houston in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,075 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 $865 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

1 airport
The fastest flight from Houston to Australia takes 17h 30m
Direct flights go from Houston to Australia every day.
There is 1 airport near Australia: 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
8,007 reviews
Search Delta flights
Qantas AirwaysPriceFrom $655Free CancellationRating
7.5
939 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $684Free CancellationRating
7.2
11,048 reviews
Search American Airlines flights
Air New ZealandPriceFrom $783Free CancellationRating
8.0
527 reviews
Search Air New Zealand flights
Fiji AirwaysPriceFrom $790Free CancellationRating
8.1
209 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $839Free CancellationRating
7.4
9,016 reviews
Search United Airlines flights
Air CanadaPriceFrom $998Free CancellationRating
7.1
10,459 reviews
Search Air Canada 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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