$513+ 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 8/11. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SYD
Jul 19 — Jul 261
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Houston to Australia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Houston to Australia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Houston to AustraliaExplore 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 June 19, 2026.
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 June 19, 2026.
This Trip.com deal was found by Cheapflights users on 6/16. 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.
Wed 7/294:02 pm
IAH
- MEL
2 stops28h 58m
Multiple Airlines
Sat 8/81:30 pm
MEL
- IAH
2 stops25h 26m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,010
This Trip.com deal was found by Cheapflights users on 6/19. 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.
Sat 9/54:02 pm
IAH
- SYD
2 stops28h 48m
Multiple Airlines
Fri 9/111:15 pm
SYD
- IAH
3 stops36h 25m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,044
This Trip.com deal was found by Cheapflights users on 6/16. 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.
Sun 8/94:02 pm
IAH
- SYD
2 stops28h 48m
Multiple Airlines
Mon 8/241:15 pm
SYD
- IAH
3 stops35h 52m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,052
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/44:02 pm
IAH
- SYD
2 stops28h 48m
Multiple Airlines
Tue 8/111:15 pm
SYD
- IAH
2 stops25h 41m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,069
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/176:10 am
IAH
- MEL
2 stops38h 50m
Multiple Airlines
Sun 7/51:30 pm
MEL
- IAH
3 stops36h 04m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,197
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/159:59 pm
IAH
- SYD
2 stops46h 51m
Multiple Airlines
Sun 10/2511:15 am
SYD
- IAH
1 stop40h 11m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,199
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:15 pm
IAH
- SYD
2 stops47h 20m
Multiple Airlines
Mon 11/911:15 am
SYD
- IAH
1 stop41h 11m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,240
This Trip.com deal was found by Cheapflights users on 6/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/201:14 pm
IAH
- SYD
3 stops31h 36m
Multiple Airlines
Sun 10/112:15 pm
SYD
- IAH
3 stops38h 05m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$1,262
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/299:15 pm
IAH
- SYD
2 stops47h 20m
Multiple Airlines
Sun 11/811:15 am
SYD
- IAH
1 stop41h 11m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,265
This Booking.com deal was found by Cheapflights users on 6/14. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/167:02 am
IAH
- MEL
2 stops32h 43m
Alaska Airlines
Wed 9/309:45 am
MEL
- IAH
2 stops29h 14m
Alaska Airlines
Deal found 6/14![Alaska Airlines logo]()
$1,343
This Trip.com deal was found by Cheapflights users on 6/16. 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.
Mon 6/226:10 am
IAH
- MEL
1 stop33h 35m
Multiple Airlines
Wed 7/89:45 am
MEL
- IAH
1 stop29h 11m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,350
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/26:30 am
IAH
- MEL
2 stops38h 30m
Multiple Airlines
Wed 9/166:55 pm
MEL
- IAH
1 stop36h 30m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,370
Best flights from Houston to AustraliaDiscover carefully curated flight deals from Houston to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 19, 2026.
Discover carefully curated flight deals from Houston to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated June 19, 2026.
This oojo deal was found by Cheapflights users on 6/17. 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.
Mon 8/102:54 pm
IAH
- MEL
2 stops29h 01m
Air New Zealand
Mon 8/178:35 am
MEL
- IAH
1 stop22h 50m
Air New Zealand
Deal found 6/17![Air New Zealand logo]()
$1,428
This FlightHub deal was found by Cheapflights users on 6/14. 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.
Mon 6/225:25 pm
IAH
- MEL
2 stops26h 55m
Multiple Airlines
Sun 7/198:30 pm
MEL
- IAH
2 stops35h 00m
Multiple Airlines
Deal found 6/14![Multiple Airlines logo]()
$1,561
This Air Canada deal was found by Cheapflights users on 6/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/910:00 am
IAH
- SYD
2 stops30h 20m
Air Canada
Mon 8/249:20 am
SYD
- IAH
3 stops49h 18m
Air Canada
Deal found 6/14![Air Canada logo]()
$1,601
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/103:57 pm
HOU
- MEL
2 stops23h 48m
American Airlines
Mon 8/179:00 am
MEL
- HOU
2 stops21h 26m
American Airlines
Deal found 6/19![American Airlines logo]()
$1,675
This Qatar Airways deal was found by Cheapflights users on 6/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:15 pm
IAH
- MEL
1 stop36h 50m
Qatar Airways
Fri 8/2110:45 pm
MEL
- IAH
1 stop32h 10m
Qatar Airways
Deal found 6/16![Qatar Airways logo]()
$1,795
This Delta deal was found by Cheapflights users on 6/14. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1710:05 am
HOU
- SYD
2 stops29h 25m
Delta
Tue 12/110:40 am
SYD
- HOU
2 stops28h 03m
Delta
Deal found 6/14![Delta logo]()
$1,862
This KAYAK deal was found by Cheapflights users on 6/14. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:05 am
HOU
- MEL
1 stop26h 55m
Qantas Airways
Sat 11/1412:00 pm
MEL
- HOU
1 stop24h 50m
Qantas Airways
Deal found 6/14![Qantas Airways logo]()
$2,089
This BusinessClass deal was found by Cheapflights users on 6/14. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/36:49 pm
HOU
- PER
2 stops38h 51m
Cathay Pacific
Thu 7/2312:10 am
PER
- HOU
2 stops36h 46m
Cathay Pacific
Deal found 6/14![Cathay Pacific logo]()
$2,402
This KLM deal was found by Cheapflights users on 6/14. 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 KLM is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/253:25 pm
IAH
- SYD
3 stops48h 05m
KLM
Wed 9/210:10 am
SYD
- IAH
3 stops42h 10m
KLM
Deal found 6/14![KLM logo]()
$2,882
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/274:31 pm
IAH
- MEL
1 stop23h 59m
Air New Zealand
Mon 8/109:10 am
MEL
- IAH
2 stops22h 15m
Air New Zealand
Deal found 6/17![Air New Zealand logo]()
$1,552
This FlightHub deal was found by Cheapflights users on 6/15. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/14:45 pm
IAH
- AVV
2 stops30h 35m
Multiple Airlines
Tue 9/298:55 pm
AVV
- IAH
2 stops33h 42m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,744
This American Airlines deal was found by Cheapflights users on 6/19. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/126:34 pm
HOU
- SYD
1 stop21h 21m
American Airlines
Sat 9/2612:00 pm
SYD
- HOU
1 stop20h 54m
American Airlines
Deal found 6/19![American Airlines logo]()
$1,755
This Qatar Airways deal was found by Cheapflights users on 6/16. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:15 pm
IAH
- MEL
1 stop36h 50m
Qatar Airways
Thu 8/2010:45 pm
MEL
- IAH
1 stop32h 10m
Qatar Airways
Deal found 6/16![Qatar Airways logo]()
$1,795
This BusinessClass deal was found by Cheapflights users on 6/14. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/223:30 pm
IAH
- MEL
2 stops35h 15m
Air New Zealand
Sun 7/199:30 am
MEL
- IAH
1 stop28h 44m
Air New Zealand
Deal found 6/14![Air New Zealand logo]()
$1,632
This British Airways deal was found by Cheapflights users on 6/14. 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 British Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/124:13 pm
IAH
- SYD
3 stops46h 52m
British Airways
Sat 9/262:35 pm
SYD
- IAH
3 stops46h 24m
British Airways
Deal found 6/14![British Airways logo]()
$3,614
This Delta deal was found by Cheapflights users on 6/16. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/191:00 pm
HOU
- SYD
2 stops26h 50m
Delta
Wed 10/289:40 am
SYD
- HOU
2 stops28h 03m
Delta
Deal found 6/16![Delta logo]()
$1,863
This Air Canada deal was found by Cheapflights users on 6/14. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/2510:00 am
IAH
- SYD
3 stops54h 20m
Air Canada
Wed 9/29:20 am
SYD
- IAH
2 stops43h 03m
Air Canada
Deal found 6/14![Air Canada logo]()
$1,947
This Mytrip deal was found by Cheapflights users on 6/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/211:45 am
IAH
- AVV
2 stops35h 35m
Multiple Airlines
Wed 9/168:55 pm
AVV
- IAH
2 stops33h 42m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,819
This oojo deal was found by Cheapflights users on 6/15. 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.
Wed 7/14:31 pm
IAH
- MEL
1 stop23h 59m
Air New Zealand
Tue 7/2112:10 pm
MEL
- IAH
2 stops33h 02m
Air New Zealand
Deal found 6/15![Air New Zealand logo]()
$1,710
This oojo deal was found by Cheapflights users on 6/17. 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.
Sun 10/186:19 pm
HOU
- AVV
2 stops27h 51m
Qantas Airways
Sun 10/256:00 am
AVV
- HOU
2 stops25h 58m
Qantas Airways
Deal found 6/17![Qantas Airways logo]()
$2,129
This Delta deal was found by Cheapflights users on 6/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:05 am
HOU
- SYD
2 stops29h 25m
Delta
Fri 11/2710:40 am
SYD
- HOU
2 stops28h 03m
Delta
Deal found 6/15![Delta logo]()
$1,962
This Qatar Airways deal was found by Cheapflights users on 6/18. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/176:15 pm
IAH
- SYD
1 stop31h 55m
Qatar Airways
Wed 8/198:45 pm
SYD
- IAH
1 stop34h 10m
Qatar Airways
Deal found 6/18![Qatar Airways logo]()
$1,972
This American Airlines deal was found by Cheapflights users on 6/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/312:46 pm
HOU
- BNE
2 stops25h 14m
American Airlines
Mon 8/178:35 pm
BNE
- HOU
2 stops27h 28m
American Airlines
Deal found 6/16![American Airlines logo]()
$1,999
This Cathay Pacific deal was found by Cheapflights users on 6/15. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:14 pm
HOU
- MEL
2 stops43h 01m
Multiple Airlines
Tue 8/187:25 am
MEL
- HOU
2 stops40h 37m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,902
This Qantas Airways deal was found by Cheapflights users on 6/18. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/194:25 pm
HOU
- SYD
1 stop21h 30m
Qantas Airways
Wed 11/2510:00 pm
SYD
- HOU
2 stops34h 54m
Qantas Airways
Deal found 6/18![Qantas Airways logo]()
$2,131
This Delta deal was found by Cheapflights users on 6/18. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1910:05 am
HOU
- SYD
2 stops29h 25m
Delta
Thu 11/2610:40 am
SYD
- HOU
2 stops28h 03m
Delta
Deal found 6/18![Delta logo]()
$1,963
This Ovago deal was found by Cheapflights users on 6/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:55 pm
IAH
- ADL
2 stops29h 20m
Air New Zealand
Wed 7/227:50 am
ADL
- IAH
2 stops23h 05m
Air New Zealand
Deal found 6/17![Air New Zealand logo]()
$1,836
This Cathay Pacific deal was found by Cheapflights users on 6/18. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/204:25 pm
HOU
- SYD
2 stops35h 25m
Multiple Airlines
Thu 11/268:45 am
SYD
- HOU
2 stops28h 05m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$1,904
This BusinessClass deal was found by Cheapflights users on 6/19. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/712:14 pm
HOU
- MEL
2 stops27h 31m
Qantas Airways
Tue 8/185:05 pm
MEL
- HOU
2 stops39h 39m
Qantas Airways
Deal found 6/19![Qantas Airways logo]()
$2,137
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/612:46 pm
HOU
- BNE
2 stops25h 14m
American Airlines
Sun 7/267:30 am
BNE
- HOU
2 stops25h 49m
American Airlines
Deal found 6/17![American Airlines logo]()
$2,182
Last-minute flights from Houston to AustraliaDiscover last-minute flight deals from Houston to Australia. Data last updated June 19, 2026 and is based on user searches.
Discover last-minute flight deals from Houston to Australia. Data last updated June 19, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 6/16. 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.
Mon 6/226:10 am
IAH
- MEL
1 stop33h 35m
Multiple Airlines
Wed 7/89:45 am
MEL
- IAH
1 stop29h 11m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,350
This BusinessClass deal was found by Cheapflights users on 6/16. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/279:55 pm
IAH
- SYD
1 stop21h 45m
Air New Zealand
Wed 7/299:55 am
SYD
- IAH
1 stop21h 30m
Air New Zealand
Deal found 6/16![Air New Zealand logo]()
$1,511
This Kiwi.com deal was found by Cheapflights users on 6/19. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/296:10 am
IAH
- MEL
1 stop33h 35m
Multiple Airlines
Wed 7/229:45 am
MEL
- IAH
1 stop29h 11m
Multiple Airlines
Deal found 6/19![Multiple Airlines logo]()
$1,417
This oojo deal was found by Cheapflights users on 6/15. 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.
Mon 6/2910:03 pm
IAH
- MEL
2 stops45h 52m
Air New Zealand
Wed 7/228:35 am
MEL
- IAH
2 stops29h 39m
Air New Zealand
Deal found 6/15![Air New Zealand logo]()
$1,468
This KAYAK deal was found by Cheapflights users on 6/17. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/306:00 am
IAH
- SYD
2 stops35h 45m
Air New Zealand
Tue 7/289:55 am
SYD
- IAH
2 stops25h 54m
Air New Zealand
Deal found 6/17![Air New Zealand logo]()
$1,513
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/16:14 pm
IAH
- SYD
2 stops46h 16m
Multiple Airlines
Wed 7/295:50 pm
SYD
- IAH
1 stop21h 06m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,521
This Ovago deal was found by Cheapflights users on 6/17. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/17:55 pm
IAH
- ADL
2 stops29h 20m
Air New Zealand
Wed 7/2212:05 pm
ADL
- IAH
1 stop18h 50m
Air New Zealand
Deal found 6/17![Air New Zealand logo]()
$1,827
This Trip.com deal was found by Cheapflights users on 6/15. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/64:02 pm
IAH
- SYD
2 stops28h 48m
Multiple Airlines
Mon 7/201:15 pm
SYD
- IAH
3 stops36h 19m
Multiple Airlines
Deal found 6/15![Multiple Airlines logo]()
$1,431
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 7/254:02 pm
IAH
- SYD
2 stops36h 08m
Multiple Airlines
Thu 7/305:50 pm
SYD
- IAH
1 stop21h 06m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$1,502
This oojo deal was found by Cheapflights users on 6/14. 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.
Sun 7/266:00 am
IAH
- SYD
1 stop34h 00m
Air New Zealand
Wed 8/59:55 am
SYD
- IAH
2 stops28h 19m
Air New Zealand
Deal found 6/14![Air New Zealand logo]()
$1,495
This Trip.com deal was found by Cheapflights users on 6/16. 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.
Wed 7/294:02 pm
IAH
- MEL
2 stops28h 58m
Multiple Airlines
Sat 8/81:30 pm
MEL
- IAH
2 stops25h 26m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$1,010
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/304:02 pm
IAH
- MEL
2 stops28h 58m
Multiple Airlines
Sun 8/99:45 am
MEL
- IAH
1 stop29h 11m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$1,451
One-way flights from Houston to AustraliaSearch for one-way flight options from Houston to Australia. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
Search for one-way flight options from Houston to Australia. Find affordable one-way fares based on user searches. Data last updated June 19, 2026.
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/118:55 am
IAH
- SYD
3 stops35h 55m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$513
This Trip.com deal was found by Cheapflights users on 6/17. 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.
Mon 8/104:02 pm
IAH
- SYD
2 stops28h 48m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$514
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/124:02 pm
IAH
- SYD
2 stops28h 48m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$515
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/84:02 pm
IAH
- SYD
2 stops28h 48m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$517
This Trip.com deal was found by Cheapflights users on 6/18. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/233:52 pm
IAH
- SYD
2 stops39h 18m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$518
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:30 am
IAH
- MEL
3 stops38h 35m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$519
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/159:55 pm
IAH
- SYD
2 stops46h 55m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$522
This Kiwi.com deal was found by Cheapflights users on 6/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/243:52 pm
IAH
- SYD
2 stops28h 58m
Multiple Airlines
Deal found 6/18![Multiple Airlines logo]()
$535
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/94:02 pm
IAH
- SYD
2 stops28h 48m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$547
This Kiwi.com deal was found by Cheapflights users on 6/16. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/16:30 am
IAH
- AVV
3 stops46h 05m
Multiple Airlines
Deal found 6/16![Multiple Airlines logo]()
$561
This Kiwi.com deal was found by Cheapflights users on 6/17. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/95:29 pm
HOU
- SYD
3 stops58h 41m
Multiple Airlines
Deal found 6/17![Multiple Airlines logo]()
$848
This American Airlines deal was found by Cheapflights users on 6/17. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/154:18 pm
HOU
- SYD
2 stops24h 12m
American Airlines
Deal found 6/17![American Airlines logo]()
$946
Find flight deals from Houston to Australia
Keep the following information in mind while searching for Houston to Australia flight deals. Data was last updated June 19, 2026.
Round-trip from | $1,010 (Trip.com) |
|---|---|
One-way from | $513 (Kiwi.com) |
Popular in | January |
Cheapest in | July |
Average price | $1,679 |
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 June 19, 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
Cheapest round-trip
HoustonMelbourne
IAH - MEL
IAHMEL
Houston George Bush Intcntl
Mon 8/10
2:54 pm-10:55 am
2 stops29h 01m
Melbourne
Mon 8/17
8:35 am-4:25 pm
1 stop22h 50m
$1,428
HoustonMelbourne
IAH - MEL
IAHMEL
Houston George Bush Intcntl
Mon 7/27
4:31 pm-7:30 am
1 stop23h 59m
Melbourne
Mon 8/10
9:10 am-4:25 pm
2 stops22h 15m
$1,552
HoustonMelbourne
IAH - MEL
IAHMEL
Houston George Bush Intcntl
Mon 6/22
5:25 pm-11:20 am
2 stops26h 55m
Melbourne
Sun 7/19
8:30 pm-4:30 pm
2 stops35h 00m
$1,561
HoustonSydney
IAH - SYD
IAHSYD
Houston George Bush Intcntl
Sun 8/9
10:00 am-7:20 am
2 stops30h 20m
Sydney Kingsford Smith
Mon 8/24
9:20 am-7:38 pm
3 stops49h 18m
$1,601
HoustonMelbourne
IAH - MEL
IAHMEL
Houston George Bush Intcntl
Mon 6/22
3:30 pm-5:45 pm
2 stops35h 15m
Melbourne
Sun 7/19
9:30 am-11:14 pm
1 stop28h 44m
$1,632
HoustonMelbourne
HOU - MEL
HOUMEL
Houston Hobby
Mon 8/10
3:57 pm-6:45 am
2 stops23h 48m
Melbourne
Mon 8/17
9:00 am-3:26 pm
2 stops21h 26m
$1,675
HoustonMelbourne
IAH - MEL
IAHMEL
Houston George Bush Intcntl
Wed 7/1
4:31 pm-7:30 am
1 stop23h 59m
Melbourne
Tue 7/21
12:10 pm-6:12 am
2 stops33h 02m
$1,710
HoustonMelbourne
IAH - AVV
IAHAVV
Houston George Bush Intcntl
Tue 9/1
4:45 pm-2:20 pm
2 stops30h 35m
Melbourne Avalon
Tue 9/29
8:55 pm-3:37 pm
2 stops33h 42m
$1,744
Quickest round-trip
HoustonSydney
HOU - SYD
HOUSYD
Houston Hobby
Sat 9/12
6:34 pm-6:55 am
1 stop21h 21m
Sydney Kingsford Smith
Sat 9/26
12:00 pm-5:54 pm
1 stop20h 54m
$1,755
HoustonMelbourne
IAH - MEL
IAHMEL
Houston George Bush Intcntl
Mon 8/17
6:15 pm-10:05 pm
1 stop36h 50m
Melbourne
Fri 8/21
10:45 pm-3:55 pm
1 stop32h 10m
$1,795
Showing 1-10 of 60 resultsSorted by cheapest first
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.
IAH-MEL
IAH-SYD
IAH-AVV
HOU-SYD
HOU-BNE
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
HO1-AU0
IAH-MEL
IAH-SYD
IAH-AVV
HOU-SYD
What is the cheapest month to book a flight from Houston to Australia?
Currently, December is the cheapest month in which you can book a flight from Houston to Australia (average of $71). Flying from Houston to Australia in January is currently the most expensive (average of $847). 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.
How far ahead should I book a flight from Houston to Australia?
Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Australia. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
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 June 19, 2026.
Peruse reviews from past customers who have flown with Air New Zealand,Delta, andUnited Airlines 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.
Overall
8.0
Comfort
7.9
Boarding
8.2
Food
7.4
Entertainment
7.4
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Overall
8.0
Comfort
7.9
Boarding
8.2
Food
7.4
Entertainment
7.4
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Overall
8.0
Comfort
7.9
Boarding
8.2
Food
7.4
Entertainment
7.4
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Overall
8.0
Comfort
7.9
Boarding
8.2
Food
7.4
Entertainment
7.4
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Overall
8.0
Comfort
7.9
Boarding
8.2
Food
7.4
Entertainment
7.4
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
Overall
8.0
Comfort
7.9
Boarding
8.2
Food
7.4
Entertainment
7.4
Crew
8.5
Reviews
1 / 20
6.0
GoodAnonymous,Mar 2026
SIN - AKL
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.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Top destinations
Top regions
Alternative routes for Houston to Australia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Houston to Australia by cabin class
Find flights from Houston to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Houston and Australia flights
Browse other Houston and Australia flight options. Last updated on June 19, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Houston to Australia flights
Consider these flights traveling from Houston to Australia.
Fly to Australia regions
Consider these flights traveling to Australia regions.
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 June 19, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$203 | Average$856 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$447 | Average$900 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$665 | Average$1,294 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$782 | Average$1,185 | FlexibilityNo cancel fee | On-time67% | |
| Cheapest$830 | Average$1,524 | FlexibilityNo cancel fee | On-time78% | |
| Cheapest$831 | Average$918 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$839 | Average$1,759 | FlexibilityNo cancel fee | On-time69% |