Cheap Flights from Houston (IAH) to Sydney (SYD) from HK$5,211~

View HK$5,211 flight on Sun, 31 Aug 2025Opens in a new window

Popular airlines from George Bush Intercontinental Airport (IAH) to Sydney Airport (SYD)

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Find Cheap Flights from Houston (IAH) to Sydney (SYD)

Prices were available within the past 7 days and start at HK$5,211 for one-way flights and HK$7,930 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Air Canada
Sun, 31 Aug - Sun, 14 Sep
IAH
Houston
SYD
Sydney
HK$7,930 Return, found 9 hours ago
HK$7,930
Return
found 9 hours ago
Select Air Canada flight, departing Sun, 31 Aug from Houston to Sydney, returning Sun, 14 Sep, priced at HK$7,930 found 9 hours ago
Air Canada
Sun, 31 Aug - Sun, 14 Sep
IAH
Houston
SYD
Sydney
HK$8,772 Return, found 9 hours ago
HK$8,772
Return
found 9 hours ago
Select Air Canada flight, departing Sun, 31 Aug from Houston to Sydney, returning Sun, 14 Sep, priced at HK$8,772 found 9 hours ago
Air Canada
Sun, 31 Aug - Sun, 14 Sep
IAH
Houston
SYD
Sydney
HK$10,090 Return, found 9 hours ago
HK$10,090
Return
found 9 hours ago
Select Air Canada flight, departing Sun, 31 Aug from Houston to Sydney, returning Sun, 14 Sep, priced at HK$10,090 found 9 hours ago
Air Canada
Sun, 31 Aug - Sun, 14 Sep
IAH
Houston
SYD
Sydney
HK$10,471 Return, found 9 hours ago
HK$10,471
Return
found 9 hours ago
Select Air Canada flight, departing Sun, 31 Aug from Houston to Sydney, returning Sun, 14 Sep, priced at HK$10,471 found 9 hours ago
Air Canada
Sun, 31 Aug - Sun, 14 Sep
IAH
Houston
SYD
Sydney
HK$10,515 Return, found 9 hours ago
HK$10,515
Return
found 9 hours ago
Select Air Canada flight, departing Sun, 31 Aug from Houston to Sydney, returning Sun, 14 Sep, priced at HK$10,515 found 9 hours ago
Air Canada
Wed, 20 Aug - Wed, 27 Aug
IAH
Houston
SYD
Sydney
HK$10,880 Return, found 9 hours ago
HK$10,880
Return
found 9 hours ago
Select Air Canada flight, departing Wed, 20 Aug from Houston to Sydney, returning Wed, 27 Aug, priced at HK$10,880 found 9 hours ago
Turkish Airlines
Wed, 20 Aug - Wed, 27 Aug
IAH
Houston
SYD
Sydney
HK$12,383 Return, found 9 hours ago
HK$12,383
Return
found 9 hours ago
Select Turkish Airlines flight, departing Wed, 20 Aug from Houston to Sydney, returning Wed, 27 Aug, priced at HK$12,383 found 9 hours ago
United
Sun, 31 Aug - Sun, 14 Sep
IAH
Houston
SYD
Sydney
HK$12,993 Return, found 9 hours ago
HK$12,993
Return
found 9 hours ago
Select United flight, departing Sun, 31 Aug from Houston to Sydney, returning Sun, 14 Sep, priced at HK$12,993 found 9 hours ago
Delta
Sun, 31 Aug - Sun, 14 Sep
IAH
Houston
SYD
Sydney
HK$12,994 Return, found 9 hours ago
HK$12,994
Return
found 9 hours ago
Select Delta flight, departing Sun, 31 Aug from Houston to Sydney, returning Sun, 14 Sep, priced at HK$12,994 found 9 hours ago
All Nippon Airways
Sun, 31 Aug - Sun, 14 Sep
IAH
Houston
SYD
Sydney
HK$13,134 Return, found 9 hours ago
HK$13,134
Return
found 9 hours ago
Select All Nippon Airways flight, departing Sun, 31 Aug from Houston to Sydney, returning Sun, 14 Sep, priced at HK$13,134 found 9 hours ago

Find the cheapest month to fly from Houston (IAH) to Sydney (SYD)

October is typically the cheapest month to fly

From HK$6,460 - HK$15,949 per traveller.

Graph displaying average flight prices per month

Houston to Sydney route information
Origin airport
George Bush Intercontinental
Destination airport
Kingsford Smith Intl.
Return price
HK$7,930
Distance
13755 km

Flights from Houston to Sydney

Book cheap flights from Houston (IAH) to Sydney (SYD) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Houston (IAH) to Sydney (SYD) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Houston (IAH) to Sydney (SYD) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Sydney flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Sydney and things to do in Sydney for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Sydney more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Sydney is HK$5,211 now!

 

Frequently asked questions

How much is a flight from George Bush Intercontinental Airport (IAH) to Mascot Airport?
The lowest price advertised for a round-trip flight between IAH and Sydney Airport is HK$7,930. But you better act fast. This price is based on fares available within the last 7 days on Expedia for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from IAH to Kingsford Smith Intl. Airport (SYD)?
This differs between airlines, as each one has its own terms and conditions. Visit the Customer Service Portal, where there are instructions on how to cancel online.
How do I find cheap flights from Houston Airport to Mascot Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for George Bush Intercontinental Airport (IAH) to Mascot Airport flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Houston Airport to Kingsford Smith Intl. Airport (SYD)?
You'll have 13,900 kilometers to cover on the long-haul Houston to Sydney route. Wear comfy clothes and consider taking a pair of noise-canceling earphones.
Which airlines fly direct from Houston Airport to SYD?
Check out the deals on offer with United Airlines (UA) if you want to travel directly from George Bush Intercontinental Airport (IAH) to Mascot Airport. This airline operates 13 flights every month, so you're sure to find one that suits your schedule.
Are George Bush Intercontinental Airport (IAH) to Kingsford Smith Intl. Airport (SYD) flight tickets cheaper when they're purchased at the last minute?
It is possible to nab amazing last-minute deals from IAH to Kingsford Smith Intl. Airport (SYD), but there's no guarantee. As many airlines release prices up to a year in advance, it's worth keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares carrier prices and updates flight deals all the time, so you can be sure you're always getting the latest offers.

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