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$485+ Cheap flights from Houston to Australia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/15. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SYD
ago. 23 — ago. 301
sáb. 8/23
sáb. 8/30
1 adult, Economy
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Cheap flight deals from Houston to Australia

Keep the following information in mind while searching for Houston to Australia flight deals. Data was last updated agosto 18, 2025.

Round-trip from

$860
(flugladen.de)

One-way from

$485
(Kiwi.com)

Popular in

December

Cheapest in

July

Average price

$1,047
From Houston to Australia
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One-way flight from Houston to Australia
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Highest demand for flights based on searches. 19% potential increase in price ($281 potential increase over avg. RT price).
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Cheapest flight prices on average. 5% potential price decrease ($62 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Find flight deals from Houston to Australia

Cheapest flights from Houston to Australia
Explore the most affordable flight options available from Houston to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on agosto 18, 2025.

This flugladen.de deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/287:10 amIAH - SYD
2 stops37h 35mMultiple Airlines
mar. 10/142:15 pmSYD - IAH
2 stops30h 59mMultiple Airlines
Deal found 8/16$860
This Trip.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/77:10 amIAH - SYD
2 stops48h 00mMultiple Airlines
mar. 9/301:15 pmSYD - IAH
2 stops30h 15mMultiple Airlines
Deal found 8/17$942
This Trip.com deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/217:10 amIAH - SYD
2 stops34h 35mMultiple Airlines
dom. 10/58:45 amSYD - IAH
2 stops36h 29mMultiple Airlines
Deal found 8/16$972
This Trip.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 9/147:10 amIAH - SYD
2 stops36h 25mMultiple Airlines
dom. 9/288:55 amSYD - IAH
2 stops34h 35mMultiple Airlines
Deal found 8/17$993
This oojo deal was found by Cheapflights users on 8/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/279:05 pmIAH - BNE
1 stop21h 50mAir New Zealand
mié. 11/511:10 amBNE - IAH
1 stop18h 55mAir New Zealand
Deal found 8/15$1,019
This oojo deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/204:25 pmIAH - SYD
2 stops24h 20mAir New Zealand
dom. 11/211:45 amSYD - IAH
1 stop19h 20mAir New Zealand
Deal found 8/18$1,021
This oojo deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/169:55 pmIAH - SYD
1 stop19h 50mAir New Zealand
mar. 9/2311:50 amSYD - IAH
1 stop19h 25mAir New Zealand
Deal found 8/17$1,023
This oojo deal was found by Cheapflights users on 8/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/169:55 pmIAH - SYD
1 stop21h 40mAir New Zealand
mar. 10/149:55 amSYD - IAH
1 stop21h 20mAir New Zealand
Deal found 8/16$1,024
This Mytrip deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/276:44 amIAH - SYD
2 stops35h 06mMultiple Airlines
dom. 11/911:35 amSYD - IAH
2 stops35h 45mMultiple Airlines
Deal found 8/18$1,025
This FlightHub deal was found by Cheapflights users on 8/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 11/38:05 pmIAH - SYD
1 stop19h 40mAir New Zealand
dom. 11/1611:45 amSYD - IAH
2 stops29h 58mAir New Zealand
Deal found 8/18$1,027
This Trip.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/17:10 amIAH - MEL
2 stops37h 50mMultiple Airlines
mié. 10/82:25 pmMEL - IAH
2 stops30h 49mMultiple Airlines
Deal found 8/17$1,031
This Trip.com deal was found by Cheapflights users on 8/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 9/167:10 amIAH - SYD
2 stops48h 00mMultiple Airlines
mar. 9/236:00 amSYD - IAH
2 stops37h 30mMultiple Airlines
Deal found 8/17$1,032

Cheapflights 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, Cheapflights users made 2,558,603 searches. Data last updated agosto 18, 2025.
Use the filters below to find and compare flights from Houston to Australia that are best for you.

Fly from

Houston

Fly to

Australia

Route

Depart

Return

Price

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

lun. 10/27

9:05 pm-9:55 am

1 stop21h 50m

Brisbane

mié. 11/5

11:10 am-2:05 pm

1 stop18h 55m

$1,019

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

lun. 2/9

4:30 pm-8:45 am

2 stops23h 15m

Sydney Kingsford Smith

dom. 2/22

9:55 am-2:05 pm

1 stop21h 10m

$1,021

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

mié. 2/11

8:05 pm-10:55 am

1 stop21h 50m

Melbourne

mié. 2/25

10:35 am-2:05 pm

1 stop20h 30m

$1,022

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

lun. 10/27

6:44 am-9:50 am

2 stops35h 06m

Sydney Kingsford Smith

dom. 11/9

11:35 am-6:20 am

2 stops35h 45m

$1,025

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

lun. 11/3

8:05 pm-8:45 am

1 stop19h 40m

Sydney Kingsford Smith

dom. 11/16

11:45 am-12:43 am

2 stops29h 58m

$1,027

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

mié. 10/1

7:10 am-12:00 pm

2 stops37h 50m

Melbourne

mié. 10/8

2:25 pm-5:14 am

2 stops30h 49m

$1,031

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

mar. 9/16

7:10 am-10:10 pm

2 stops48h 00m

Sydney Kingsford Smith

mar. 9/23

6:00 am-4:30 am

2 stops37h 30m

$1,032

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

lun. 10/20

9:32 am-12:45 pm

3 stops35h 13m

Sydney Kingsford Smith

dom. 11/2

2:00 pm-12:23 am

2 stops26h 23m

$1,035

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

sáb. 1/31

6:37 pm-12:30 pm

2 stops24h 53m

Sydney Kingsford Smith

sáb. 2/14

2:10 pm-7:56 pm

2 stops22h 46m

$1,039

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

lun. 9/15

4:30 pm-10:50 am

2 stops27h 20m

Melbourne

lun. 9/22

6:55 pm-4:15 pm

1 stop36h 20m

$1,043

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/17

Showing 1-10 of 60 results
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Best time to book a flight from Houston to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Houston with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to Australia

What is the cheapest month to book a flight from Houston to Australia?

Currently, February is the cheapest month in which you can book a flight from Houston to Australia (average of $1,031). Flying from Houston to Australia in December is currently the most expensive (average of $1,619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from HOU to AU?

Find hourly flight availability from Houston to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated agosto 18, 2025.

When flying from Houston to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated agosto 18, 2025.
Peruse reviews from past customers who have flown with Delta, Air New Zealand, and Qantas Airways from Houston to Australia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,981 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Air New Zealand
8.0
Very good
504 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qantas Airways
7.5
Good
896 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,925 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
American Airlines
7.2
Good
10,000 reviews
Delta
8.0
Very good
7,981 reviews

Food

7.3

Crew

8.5

Comfort

7.9

Boarding

8.2

Entertainment

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from Houston to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Houston to Australia?

    Air New Zealand, American Airlines, and Delta can get you from Houston to Australia in just under 21h 50m. Your travel time can differ by up to 6h 40m. Houston and Australia are separated by a distance of 8342 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Houston to Australia one-way?

    The cheapest airline one-way is Fiji Airways, with whom users have recently found tickets for as low as $661. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Houston to Australia for a low price.

  • What are the most popular routes from Houston to Australia?

    When deciding which route to take from Houston to Australia consider Houston Hobby - Sydney Kingsford Smith, Houston George Bush Intcntl - Sydney Kingsford Smith or Houston Hobby - Perth as they are the most popular.

  • Can I find deals for flights from Houston to Australia that include hotel bookings?

    Yes. In addition to deals on Houston to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Houston to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Australia.

  • Can I find deals for business class flights from Houston to Australia?

    Yes. Cheapflights offers flight deals from Houston to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to Australia?

    Currently, February is the cheapest month in which you can book a flight from Houston to Australia (average of $1,031). Flying from Houston to Australia in December is currently the most expensive (average of $1,619). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Alternative routes for Houston to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 7 airlines flying from Houston to Australia

Discover the top 7 airlines that operate flights from Houston to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated agosto 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$655Average$1,055FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$684Average$998FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$817Average$1,357FlexibilityNo cancel feeOn-time78%
Air CanadaCheapest$820Average$1,363FlexibilityNo cancel feeOn-time67%
DeltaCheapest$830Average$960FlexibilityNo cancel feeOn-timeN/A
Fiji AirwaysCheapest$859Average$1,177FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$977Average$1,927FlexibilityNo cancel feeOn-time69%

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