$568+ Cheap flights from George Bush Intcntl (IAH) to Sydney (SYD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/3. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
Oct 15 — Oct 221
Round-trip
1 adult, Economy
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Find cheap flights from George Bush Intcntl to Sydney 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.Cheapflights Tip: The best prices from Houston George Bush Intcntl to Sydney Kingsford Smith are usually found in November or February, booked 58 days in advance, depart on a Monday or Sunday and return on a Monday
Cheap flight deals from George Bush Intcntl to Sydney
Cheapest
Best
Last-minute
One-way
Cheapest flights from George Bush Intcntl to SydneyExplore the most affordable flight options available from George Bush Intcntl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
Explore the most affordable flight options available from George Bush Intcntl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/210:59 pm -
1 stop38h 26m
Mon 11/1612:15 pm -
2 stops36h 40m
Deal found 9/13![Multiple Airlines logo]()
$1,267
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/289:50 pm -
1 stop40h 35m
Wed 11/42:00 pm -
2 stops38h 32m
Deal found 9/13![Multiple Airlines logo]()
$1,292
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/2610:59 pm -
1 stop39h 26m
Mon 11/22:00 pm -
2 stops38h 32m
Deal found 9/11![Multiple Airlines logo]()
$1,315
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:50 pm -
1 stop40h 35m
Tue 11/248:05 pm -
2 stops52h 50m
Deal found 9/14![Multiple Airlines logo]()
$1,338
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 11/1910:59 pm -
1 stop38h 26m
Sun 12/66:25 am -
3 stops29h 50m
Deal found 9/10![Multiple Airlines logo]()
$1,377
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 9/252:57 pm -
2 stops25h 33m
Mon 10/56:50 pm -
1 stop32h 34m
Deal found 9/10![Multiple Airlines logo]()
$1,391
This lol.travel deal was found by Cheapflights users on 9/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:43 am -
1 stop30h 37m
Mon 11/911:20 am -
1 stop20h 18m
Deal found 9/12![Air Canada logo]()
$1,394
This lol.travel deal was found by Cheapflights users on 9/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/19:33 am -
2 stops31h 02m
Mon 11/1611:20 am -
2 stops24h 29m
Deal found 9/12![Air Canada logo]()
$1,409
Best flights from George Bush Intcntl to SydneyDiscover carefully curated flight deals from George Bush Intcntl to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
Discover carefully curated flight deals from George Bush Intcntl to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 15, 2026.
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/28:25 pm -
Nonstop17h 35m
Mon 11/169:20 am -
Nonstop15h 40m
Deal found 9/13![United Airlines logo]()
$1,843
This Alaska Airlines deal was found by Cheapflights users on 9/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/86:02 am -
2 stops44h 48m
Tue 10/279:40 pm -
2 stops32h 12m
Deal found 9/10![Multiple Airlines logo]()
$1,894
This Cathay Pacific deal was found by Cheapflights users on 9/10. 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 10/98:04 pm -
2 stops56h 41m
Wed 10/2810:20 pm -
2 stops41h 39m
Deal found 9/10![Cathay Pacific logo]()
$2,321
This KLM deal was found by Cheapflights users on 9/13. 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.
Sat 10/173:55 pm -
2 stops47h 30m
Tue 10/2011:10 am -
3 stops42h 10m
Deal found 9/13![KLM logo]()
$2,796
This United Airlines deal was found by Cheapflights users on 9/13. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/112:50 pm -
1 stop25h 30m
Sun 11/299:15 am -
Nonstop15h 40m
Deal found 9/13![United Airlines logo]()
$1,900
This Alaska Airlines deal was found by Cheapflights users on 9/14. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/92:55 pm -
2 stops35h 55m
Tue 10/279:40 pm -
2 stops32h 12m
Deal found 9/14![Multiple Airlines logo]()
$1,942
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/166:46 pm -
1 stop21h 19m
Sun 11/299:15 am -
Nonstop15h 40m
Deal found 9/11![United Airlines logo]()
$1,901
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/188:25 pm -
Nonstop17h 35m
Sun 2/289:15 am -
Nonstop15h 40m
Deal found 9/11![United Airlines logo]()
$1,946
This United Airlines deal was found by Cheapflights users on 9/11. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/138:25 pm -
Nonstop17h 35m
Sat 3/279:20 am -
Nonstop15h 40m
Deal found 9/11![United Airlines logo]()
$1,946
This United Airlines deal was found by Cheapflights users on 9/14. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/88:25 pm -
Nonstop17h 35m
Tue 1/511:50 am -
1 stop28h 01m
Deal found 9/14![United Airlines logo]()
$2,381
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2110:30 pm -
1 stop38h 50m
Thu 1/79:20 am -
Nonstop15h 40m
Deal found 9/12![United Airlines logo]()
$2,448
This United Airlines deal was found by Cheapflights users on 9/12. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/118:25 pm -
Nonstop17h 35m
Thu 1/79:20 am -
Nonstop15h 40m
Deal found 9/12![United Airlines logo]()
$2,643
Last-minute flights from George Bush Intcntl to SydneyDiscover last-minute flight deals from George Bush Intcntl to Sydney. Data last updated September 15, 2026 and is based on user searches.
Discover last-minute flight deals from George Bush Intcntl to Sydney. Data last updated September 15, 2026 and is based on user searches.
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/1810:09 pm -
1 stop42h 21m
Wed 9/301:15 pm -
2 stops37h 09m
Deal found 9/14![Multiple Airlines logo]()
$1,443
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 9/252:57 pm -
2 stops25h 33m
Mon 10/56:50 pm -
1 stop32h 34m
Deal found 9/10![Multiple Airlines logo]()
$1,391
This lol.travel deal was found by Cheapflights users on 9/12. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/179:43 am -
1 stop30h 37m
Mon 11/911:20 am -
1 stop20h 18m
Deal found 9/12![Air Canada logo]()
$1,394
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 10/1810:59 pm -
1 stop40h 31m
Sun 10/2511:50 am -
2 stops36h 55m
Deal found 9/10![Multiple Airlines logo]()
$1,446
This Air Canada deal was found by Cheapflights users on 9/14. 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.
Wed 10/214:45 pm -
1 stop23h 35m
Sun 11/111:20 am -
2 stops43h 01m
Deal found 9/14![Air Canada logo]()
$1,448
This Kiwi.com deal was found by Cheapflights users on 9/10. 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.
Fri 10/2310:59 pm -
1 stop39h 26m
Sat 10/3111:00 am -
2 stops41h 32m
Deal found 9/10![Multiple Airlines logo]()
$1,421
This Kiwi.com deal was found by Cheapflights users on 9/11. 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 10/2610:59 pm -
1 stop39h 26m
Mon 11/22:00 pm -
2 stops38h 32m
Deal found 9/11![Multiple Airlines logo]()
$1,315
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/289:50 pm -
1 stop40h 35m
Wed 11/42:00 pm -
2 stops38h 32m
Deal found 9/13![Multiple Airlines logo]()
$1,292
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/289:50 pm -
1 stop40h 35m
Tue 11/248:05 pm -
2 stops52h 50m
Deal found 9/14![Multiple Airlines logo]()
$1,338
One-way flights from George Bush Intcntl to SydneySearch for one-way flight options from George Bush Intcntl to Sydney. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
Search for one-way flight options from George Bush Intcntl to Sydney. Find affordable one-way fares based on user searches. Data last updated September 15, 2026.
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/39:50 pm -
1 stop39h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$568
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/49:50 pm -
1 stop39h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$569
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/510:59 pm -
1 stop38h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$572
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 10/2911:45 am -
2 stops26h 40m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$588
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/710:40 pm -
2 stops38h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$605
This Kiwi.com deal was found by Cheapflights users on 9/14. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:59 pm -
1 stop40h 31m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Multiple Airlines logo]()
$614
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 11/258:43 pm -
1 stop40h 42m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$619
This Kiwi.com deal was found by Cheapflights users on 9/13. 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.
Fri 11/66:40 am -
2 stops30h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/13![Multiple Airlines logo]()
$630
Find flight deals from George Bush Intcntl to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,267 (Kiwi.com) |
One-way from | $568 (Kiwi.com) |
Popular in | December |
Cheapest in | November |
Average price | $1,469 |
Good round-trip deal | $1,968 or less |
Cheapflights Fare Finder
Customize your flight search to find flights from George Bush Intcntl to Sydney 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 7,457,451 searches. Data last updated September 15, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
HoustonSydney
IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith
IAHSYD
Houston George Bush Intcntl
Wed 11/25
7:00 am-9:50 am
2 stops33h 50m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$628
HoustonSydney
IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith
IAHSYD
Houston George Bush Intcntl
Tue 1/12
2:55 pm-7:25 pm
2 stops35h 30m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$845
HoustonSydney
IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith
IAHSYD
Houston George Bush Intcntl
Tue 1/19
9:00 pm-7:25 pm
2 stops53h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$845
HoustonSydney
IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith
IAHSYD
Houston George Bush Intcntl
Sun 1/17
10:28 am-5:45 pm
3 stops38h 17m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$936
HoustonSydney
IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith
IAHSYD
Houston George Bush Intcntl
Tue 1/12
12:23 pm-6:35 am
1 stop25h 12m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$953
Quickest round-trip
HoustonSydney
IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith
IAHSYD
Houston George Bush Intcntl
Tue 11/3
8:25 pm-7:00 am
Nonstop17h 35m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$1,044
HoustonSydney
IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith
IAHSYD
Houston George Bush Intcntl
Sat 12/12
7:14 pm-6:55 am
1 stop42h 41m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$1,155
HoustonSydney
IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith
IAHSYD
Houston George Bush Intcntl
Tue 1/19
8:25 pm-7:00 am
Nonstop17h 35m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$1,272
HoustonSydney
IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith
IAHSYD
Houston George Bush Intcntl
Fri 10/9
9:54 pm-8:00 am
1 stop42h 06m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$1,332
HoustonSydney
IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith
IAHSYD
Houston George Bush Intcntl
Thu 10/8
6:30 am-7:55 am
1 stop33h 25m
Sydney Kingsford Smith
Wed 12/31
12:00 am-8:00 am
Nonstop0h 00m
$1,334
Showing 1-10 of 23 resultsSorted by cheapest first
Compare providers for flights from George Bush Intcntl to Sydney
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Sydney in September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Sydney flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Houston George Bush Intcntl Airport-Sydney flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Sydney flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Sydney flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
Best time to book a flight from George Bush Intcntl to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from George Bush Intcntl with our price prediction graph.
IAH-SYD
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 George Bush Intcntl Airport to Sydney
How far ahead should I book a flight from Houston George Bush Intcntl Airport to Sydney?
To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Sydney, you should look to book at least 56 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Sydney?
Currently, November is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Sydney (average of $1,405). Flying from Houston George Bush Intcntl Airport to Sydney in December is currently the most expensive (average of $2,045). 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 much does it cost to fly round-trip from Houston George Bush Intcntl Airport to Sydney?
Airfare is below average for this route at the moment.
Houston George Bush Intcntl Airport to Sydney flights typically cost between $1,326 and $1,541 in November.The cheapest round-trip price found within the last 5 days was $1,267 on Multiple Airlines (Nov 2-Nov 16).
The best insider tips for Houston George Bush Intcntl Airport to Sydney flights
AI-powered summary based on content written by travel experts. AI can make mistakes.
Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to Sydney trip
Our travel experts
Reviews of airlines servicing Sydney
Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated September 15, 2026.
Get a feel of what it's like to fly with Air New Zealand,Delta, andQantas Airways from Houston George Bush Intcntl Airport to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Crew
8.5
Comfort
7.9
Entertainment
7.4
Food
7.5
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Crew
8.5
Comfort
7.9
Entertainment
7.4
Food
7.5
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Crew
8.5
Comfort
7.9
Entertainment
7.4
Food
7.5
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Crew
8.5
Comfort
7.9
Entertainment
7.4
Food
7.5
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Crew
8.5
Comfort
7.9
Entertainment
7.4
Food
7.5
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
Crew
8.5
Comfort
7.9
Entertainment
7.4
Food
7.5
Overall
8.0
Boarding
8.2
Reviews
1 / 20
6.0
GoodAnonymous,Aug 2026
FLL - IAH
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Top 5 airlines flying from George Bush Intcntl to Sydney
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| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$203 | Average$366 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$794 | Average$1,038 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$844 | Average$900 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$856 | Average$1,757 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,125 | Average$1,539 | FlexibilityNo cancel fee | On-time78% |