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Uncover the best deals on Houston to Sydney flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest IAH - SYD Flights
Useful information for finding best airline tickets from George Bush Intercontinental Houston to Sydney Kingsford Smith International on your next trip.
Cheapest Round Trip Flight
$573
United Airlines
• 1 stop
• 53h 55m
Oct 21 – Oct 30
The cheapest round trip flight from Houston to Sydney (IAH-SYD-IAH) is currently $573
Cheapest Direct Flight
$585
United Airlines
• nonstop
• 28h 55m
Nov 01
The cheapest nonstop flight from Houston to Sydney (IAH-SYD) is currently $585
Fastest Flight
28h 55m
The fastest nonstop flight from Houston to Sydney (IAH-SYD) takes 28h 55m
Top Airlines Flying from Houston to Sydney
Latest Flight Deals from Houston (IAH) to Sydney (SYD)
Compare and book low fare round-trip air tickets from Houston to Sydney. Ideal for travelers with confirmed return itineraries.
Oct 21 - Oct 30, Economy
Houston → Sydney
53h 55m
7:20 AM - 7:55 AM • 1 stop
Houston → Sydney
25h 40m
9:15 AM - 8:55 AM • nonstop
United Airlines
Oct 31 - Nov 12, Economy
Houston → Sydney
41h 41m
2:19 PM - 7:20 AM • 2 stops
Houston → Sydney
35h
10:40 AM - 2:40 PM • 1 stop
Delta Airlines
Oct 31 - Nov 12, Economy
Houston → Sydney
39h 15m
4:25 PM - 9:20 AM • 2 stops
Houston → Sydney
64h
9:10 AM - 7:50 AM • nonstop
United Airlines
Oct 31 - Nov 12, Economy
Houston → Sydney
45h 30m
6:10 PM - 1:40 PM • 2 stops
Houston → Sydney
85h 19m
11:20 AM - 2:38 PM • 1 stop
Air Canada
Nov 01 - Nov 13, Economy
Houston → Sydney
37h 5m
5:35 PM - 6:50 AM • 1 stop
Houston → Sydney
33h 38m
2:55 PM - 10:54 AM • 3 stops
Qatar Airways
Looking for the fastest way to Sydney? These direct flight options from IAH to SYD offer both convenience and value—no layovers, just straight to your destination.
Nov 01 - Nov 13, Economy
Houston → Sydney
28h 55m
8:25 PM - 7:00 AM • nonstop
Houston → Sydney
25h 40m
9:15 AM - 7:55 AM • nonstop
United Airlines
FAQs on Houston to Sydney Flights
What are the airports in Houston?
IAH
What’s the most popular airline flying from IAH to SYD?
The most popular airline flying from Houston to Sydney are
Can I fly from IAH to SYD non-stop?
Yes, you can fly IAH to SYD non-stop on
Which airlines fly nonstop between Houston and Sydney?
The non-stop flights between Houston and Sydney are .
What’s the earliest departure time from IAH to SYD Airport?
The earliest flight leaves IAH at 7:20 am and lands in SYD - Sydney Kingsford Smith International
What are the airports in Sydney?
SYD
Can I make changes to my Houston to Sydney flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from IAH to SYD?
Read the fare rules of the Houston to Sydney air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Houston and Sydney?
operate flights between Houston and Sydney
How long does a flight from Houston to Sydney take?
It takes approximately 17 hour to fly non-stop from IAH to SYD, which is 8595.82 miles by air.
Which airlines provide the cheapest flights from Houston (IAH) to Sydney (SYD) ?
In the past couple of days, the cheapest tickets to SYD from IAH were found on QR : USD 3792
Do I need a passport to fly between IAH and SYD?
Yes
What’s the latest departure time from IAH to SYD ?
The last flight leaves IAH at 9:25 pm
Houston (IAH) to Sydney (SYD): Airport Information
| Origin Airport | George Bush Intercontinental Houston , Houston, US |
| Destination Airport | Sydney Kingsford Smith International , Sydney, AU |
| Distance | 8596 miles |
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