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Cheap flights from Houston George Bush Intcntl Airport to Sydney from $735

1 adult
1 adult, Economy, 0 bags

Find the cheapest flights from Houston George Bush Intcntl Airport to Sydney

Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
18:10 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
22h 25m1 stop Vancouver Intl
Air Canada Logo
11:20 - 13:21SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
43h 01m2 stops Vancouver Intl Edmonton
$1,512Air Canada
Sun, 22 Nov - Wed, 25 Nov
Air Canada Logo
18:10 - 08:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
22h 25m1 stop Vancouver Intl
Air Canada Logo
10:20 - 13:21SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
43h 01m2 stops Vancouver Intl Edmonton
$1,513Air Canada
Wed, 24 Mar - Wed, 31 Mar
Air Canada Logo
11:50 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
28h 45m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
11:20 - 13:21SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
43h 01m2 stops Vancouver Intl Edmonton
$1,516Air Canada
Sun, 22 Nov - Wed, 25 Nov
Air Canada Logo
11:55 - 08:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
28h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
10:20 - 13:21SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
43h 01m2 stops Vancouver Intl Edmonton
$1,517Air Canada
Wed, 24 Mar - Wed, 31 Mar
Air Canada Logo
18:10 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
22h 25m1 stop Vancouver Intl
Air Canada Logo
11:20 - 14:38SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
20h 18m1 stop Vancouver Intl
$1,545Air Canada
Wed, 3 Feb - Sun, 21 Feb
Air Canada Logo
18:10 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
22h 25m1 stop Vancouver Intl
Air Canada Logo
11:20 - 19:00SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
48h 40m2 stops Vancouver Intl Calgary
$1,546Air Canada
Sun, 14 Feb - Sun, 28 Feb
Air Canada Logo
11:50 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
28h 45m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
11:20 - 14:38SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
20h 18m1 stop Vancouver Intl
$1,549Air Canada
Wed, 11 Nov - Tue, 8 Dec
Air Canada Logo
11:55 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
28h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
11:20 - 14:37SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
20h 17m1 stop Vancouver Intl
$1,550Air Canada
Tue, 23 Feb - Tue, 9 Mar
Air Canada Logo
21:52 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
42h 43m2 stops Denver Intl Vancouver Intl
Air Canada Logo
11:20 - 14:38SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
20h 18m1 stop Vancouver Intl
$1,553Air Canada
Sat, 14 Nov - Mon, 23 Nov
Air Canada Logo
11:55 - 09:35IAH  Houston George Bush Intcntl-SYD Sydney Kingsford Smith
28h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl
Air Canada Logo
11:20 - 21:26SYD  Sydney Kingsford Smith-IAH Houston George Bush Intcntl
51h 06m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl
$1,556Air Canada
Tue, 23 Feb - Tue, 9 Mar

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Air Canada flights from Houston George Bush Intcntl Airport to Sydney

Our best Air Canada deals on Houston George Bush Intcntl Airport to Sydney flight tickets
Air Canada
26 Oct
IAH16:25Houston George Bush Intcntl
48h 10m
2 stops
SYD08:35Sydney Kingsford Smith
2 Nov
SYD11:20Sydney Kingsford Smith
43h 01m
2 stops
IAH13:21Houston George Bush Intcntl
$1,500
Air Canada
22 Nov
IAH18:10Houston George Bush Intcntl
22h 25m
1 stop
SYD09:35Sydney Kingsford Smith
25 Nov
SYD11:20Sydney Kingsford Smith
43h 01m
2 stops
IAH13:21Houston George Bush Intcntl
$1,512
Air Canada
24 Mar
IAH18:10Houston George Bush Intcntl
22h 25m
1 stop
SYD08:35Sydney Kingsford Smith
31 Mar
SYD10:20Sydney Kingsford Smith
43h 01m
2 stops
IAH13:21Houston George Bush Intcntl
$1,513

Air New Zealand flights from Houston George Bush Intcntl Airport to Sydney

Our best Air New Zealand deals on Houston George Bush Intcntl Airport to Sydney flight tickets
Air New Zealand
2 Feb
IAH18:10Houston George Bush Intcntl
22h 25m
1 stop
SYD09:35Sydney Kingsford Smith
22 Feb
SYD11:20Sydney Kingsford Smith
20h 18m
1 stop
IAH14:38Houston George Bush Intcntl
$1,630
Air New Zealand
2 Feb
IAH11:55Houston George Bush Intcntl
28h 40m
2 stops
SYD09:35Sydney Kingsford Smith
22 Feb
SYD11:20Sydney Kingsford Smith
20h 18m
1 stop
IAH14:38Houston George Bush Intcntl
$1,636
Air New Zealand
5 Nov
IAH18:10Houston George Bush Intcntl
22h 25m
1 stop
SYD09:35Sydney Kingsford Smith
8 Nov
SYD11:20Sydney Kingsford Smith
20h 18m
1 stop
IAH14:38Houston George Bush Intcntl
$1,688

momondo Fare Finder

 
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Sydney that are best for you.

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Cheapest return flight

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 22/11

18:10-09:35

1 stop22h 25m

Sydney Kingsford Smith

Wed 25/11

11:20-13:21

2 stops43h 01m

$1,512

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 24/3

18:10-08:35

1 stop22h 25m

Sydney Kingsford Smith

Wed 31/3

10:20-13:21

2 stops43h 01m

$1,513

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 22/11

11:50-09:35

2 stops28h 45m

Sydney Kingsford Smith

Wed 25/11

11:20-13:21

2 stops43h 01m

$1,516

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 24/3

11:55-08:35

2 stops28h 40m

Sydney Kingsford Smith

Wed 31/3

10:20-13:21

2 stops43h 01m

$1,517
Fastest return journey

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 3/2

18:10-09:35

1 stop22h 25m

Sydney Kingsford Smith

Sun 21/2

11:20-14:38

1 stop20h 18m

$1,545

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 14/2

18:10-09:35

1 stop22h 25m

Sydney Kingsford Smith

Sun 28/2

11:20-19:00

2 stops48h 40m

$1,546

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 11/11

11:50-09:35

2 stops28h 45m

Sydney Kingsford Smith

Tue 8/12

11:20-14:38

1 stop20h 18m

$1,549

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 23/2

11:55-09:35

2 stops28h 40m

Sydney Kingsford Smith

Tue 9/3

11:20-14:37

1 stop20h 17m

$1,550

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 14/11

21:52-09:35

2 stops42h 43m

Sydney Kingsford Smith

Mon 23/11

11:20-14:38

1 stop20h 18m

$1,553

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 23/2

11:55-09:35

2 stops28h 40m

Sydney Kingsford Smith

Tue 9/3

11:20-21:26

2 stops51h 06m

$1,556

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

How to get the cheapest flight ticket from Houston George Bush Intcntl Airport to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the typical price of a round-trip flight between Houston George Bush Intcntl Airport and Sydney?

Prices are currently low for flights on this route.

Typical prices usually range from $1,543 to $2,309.
The lowest price recently found on this route was $1,512.

What is the cheapest month to fly to Sydney?

The month of November is, on average, the cheapest month to fly to Sydney from Houston George Bush Intcntl Airport, with most prices found around $2,066. If you aren’t able to travel to Sydney during the month of November, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $2,068.

What is the cheapest Houston George Bush Intcntl to Sydney Kingsford Smith flight route?

Fly from Houston George Bush Intcntl to Sydney Kingsford Smith for the best Houston George Bush Intcntl - Sydney Kingsford Smith flight prices

How far in advance should I book a flight from Houston George Bush Intcntl Airport to Sydney?

You are more likely to see cheaper flights to Sydney from Houston George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,319 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Houston George Bush Intcntl Airport for as low as $1,627 on momondo.

What cabin class options are available on Houston George Bush Intcntl Airport to Sydney flights?

There are 2 cabin classes available to choose from on Houston George Bush Intcntl Airport to Sydney flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Houston George Bush Intcntl Airport to Sydney flights?

You could potentially save up to 19% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Sydney flight.

How have Houston George Bush Intcntl Airport to Sydney flight prices changed over time?

As of October 2026, prices for Houston George Bush Intcntl Airport to Sydney flights are approximately 45% cheaper when compared to flights at the same time last year.

When to book flights from Houston George Bush Intcntl Airport to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Houston George Bush Intcntl Airport to Sydney according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Houston George Bush Intcntl Airport to Sydney (IAH to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Sydney

Best price found

$735

Fastest flight time

17h 35m

Direct flights

Every day

Airports in Sydney

1 airport
The best one-way flight to Sydney from Houston George Bush Intcntl Airport in the past 72 hours is $735. The best return flight deal from Houston George Bush Intcntl Airport to Sydney found on momondo in the last 72 hours is $1,512.
The fastest flight from Houston George Bush Intcntl Airport to Sydney takes 17h 35m
Direct flights go from Houston George Bush Intcntl Airport to Sydney every day.
There is 1 airport in Sydney. From Houston George Bush Intcntl Airport there are direct flights to Sydney Kingsford Smith (SYD).
Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Sydney

  • How far is Houston George Bush Intcntl to Sydney Kingsford Smith by plane?

    There are 13821.4 km between Houston George Bush Intcntl and Sydney Kingsford Smith. Flights usually cover this in 17h 35m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Sydney Kingsford Smith Airport?

    Prices for flights from Houston George Bush Intcntl Airport to Sydney Kingsford Smith Airport are updated daily.

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Sydney Kingsford Smith Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Sydney Kingsford Smith Airport.

  • What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

    The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to Sydney?

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Terrigal
Wollongong
Katoomba
Penrith
Lithgow
Coogee
Manly
Cronulla
Randwick
Leura
Bondi Beach
Charlestown
Swansea
Newport

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Sydney?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Houston to Sydney for you.

Can I find flights from Houston to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Houston with this policy.

How can momondo help me find flights from Houston to Sydney?

Once you have performed a search for Houston to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Houston to Sydney right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Houston to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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