Latest deals
Insights
When to book
FAQs
Price Alerts

Cheap flights from Houston George Bush Intcntl Airport to Sydney from $785

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston George Bush Intcntl Airport to Sydney departing on 7/11. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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.
Multiple Airlines Logo
16:02 - 07:30
IAH
-
SYD
24h 28m
1 stop
Multiple Airlines Logo
13:15 - 11:26
SYD
-
IAH
37h 11m
2 stops
$1,544Multiple Airlines
Sat, 5 Sep - Fri, 11 Sep
Multiple Airlines Logo
21:55 - 07:30
IAH
-
SYD
41h 35m
1 stop
Multiple Airlines Logo
14:15 - 11:26
SYD
-
IAH
37h 11m
2 stops
$1,556Multiple Airlines
Tue, 6 Oct - Fri, 16 Oct
Multiple Airlines Logo
21:59 - 07:30
IAH
-
SYD
41h 31m
1 stop
Multiple Airlines Logo
14:00 - 11:26
SYD
-
IAH
37h 26m
2 stops
$1,561Multiple Airlines
Thu, 15 Oct - Sun, 25 Oct
Multiple Airlines Logo
16:02 - 07:30
IAH
-
SYD
24h 28m
1 stop
Multiple Airlines Logo
13:15 - 23:56
SYD
-
IAH
25h 41m
2 stops
$1,565Multiple Airlines
Tue, 11 Aug - Tue, 25 Aug
Multiple Airlines Logo
16:02 - 07:30
IAH
-
SYD
24h 28m
1 stop
Multiple Airlines Logo
13:15 - 23:56
SYD
-
IAH
25h 41m
2 stops
$1,584Multiple Airlines
Tue, 18 Aug - Tue, 25 Aug
Multiple Airlines Logo
15:52 - 07:30
IAH
-
SYD
24h 38m
1 stop
Multiple Airlines Logo
13:15 - 23:56
SYD
-
IAH
25h 41m
2 stops
$1,586Multiple Airlines
Thu, 20 Aug - Thu, 27 Aug
Multiple Airlines Logo
21:59 - 07:30
IAH
-
SYD
41h 31m
1 stop
Multiple Airlines Logo
14:00 - 11:26
SYD
-
IAH
37h 26m
2 stops
$1,591Multiple Airlines
Thu, 15 Oct - Sun, 25 Oct
Multiple Airlines Logo
21:59 - 07:30
IAH
-
SYD
41h 31m
1 stop
Multiple Airlines Logo
14:00 - 11:26
SYD
-
IAH
37h 26m
2 stops
$1,605Multiple Airlines
Fri, 16 Oct - Mon, 26 Oct
Multiple Airlines Logo
16:02 - 07:30
IAH
-
SYD
24h 28m
1 stop
Multiple Airlines Logo
13:15 - 11:26
SYD
-
IAH
37h 11m
2 stops
$1,611Multiple Airlines
Sun, 16 Aug - Tue, 15 Sep
Multiple Airlines Logo
16:02 - 07:30
IAH
-
SYD
24h 28m
1 stop
Multiple Airlines Logo
13:15 - 11:26
SYD
-
IAH
37h 11m
2 stops
$1,615Multiple Airlines
Sat, 15 Aug - Tue, 15 Sep

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

United Airlines flights from Houston George Bush Intcntl Airport to Sydney

Our best United Airlines deals on Houston George Bush Intcntl Airport to Sydney flight tickets
United Airlines
27 July
IAH18:05Houston George Bush Intcntl
21h 50m
1 stop
SYD06:55Sydney Kingsford Smith
9 Aug
SYD10:20Sydney Kingsford Smith
23h 23m
2 stops
IAH18:43Houston George Bush Intcntl
$2,084
United Airlines
27 July
IAH16:31Houston George Bush Intcntl
23h 24m
2 stops
SYD06:55Sydney Kingsford Smith
9 Aug
SYD09:30Sydney Kingsford Smith
22h 34m
2 stops
IAH17:04Houston George Bush Intcntl
$2,091
United Airlines
29 July
IAH12:58Houston George Bush Intcntl
26h 57m
1 stop
SYD06:55Sydney Kingsford Smith
5 Aug
SYD10:20Sydney Kingsford Smith
23h 07m
1 stop
IAH18:27Houston George Bush Intcntl
$2,095

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
26 July
IAH19:35Houston George Bush Intcntl
20h 20m
1 stop
SYD06:55Sydney Kingsford Smith
5 Aug
SYD09:55Sydney Kingsford Smith
21h 30m
1 stop
IAH16:25Houston George Bush Intcntl
$2,282
Air New Zealand
26 July
IAH15:30Houston George Bush Intcntl
24h 25m
1 stop
SYD06:55Sydney Kingsford Smith
5 Aug
SYD09:55Sydney Kingsford Smith
29h 55m
2 stops
IAH00:50Houston George Bush Intcntl
$2,298
Air New Zealand
26 July
IAH15:30Houston George Bush Intcntl
24h 25m
1 stop
SYD06:55Sydney Kingsford Smith
5 Aug
SYD07:50Sydney Kingsford Smith
23h 35m
1 stop
IAH16:25Houston George Bush Intcntl
$2,301

momondo Fare Finder

 
Customise your flight search to find flights from Houston George Bush Intcntl Airport 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, momondo users made 78,305 searches. Data last updated 23 July 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

Price

Cheapest return flight

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 5/9

16:02-07:30

1 stop24h 28m

Sydney Kingsford Smith

Fri 11/9

13:15-11:26

2 stops37h 11m

$1,544

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 6/10

21:55-07:30

1 stop41h 35m

Sydney Kingsford Smith

Fri 16/10

14:15-11:26

2 stops37h 11m

$1,556

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 15/10

21:59-07:30

1 stop41h 31m

Sydney Kingsford Smith

Sun 25/10

14:00-11:26

2 stops37h 26m

$1,561
Fastest return journey

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 11/8

16:02-07:30

1 stop24h 28m

Sydney Kingsford Smith

Tue 25/8

13:15-23:56

2 stops25h 41m

$1,565

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 18/8

16:02-07:30

1 stop24h 28m

Sydney Kingsford Smith

Tue 25/8

13:15-23:56

2 stops25h 41m

$1,584

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 20/8

15:52-07:30

1 stop24h 38m

Sydney Kingsford Smith

Thu 27/8

13:15-23:56

2 stops25h 41m

$1,586

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 15/10

21:59-07:30

1 stop41h 31m

Sydney Kingsford Smith

Sun 25/10

14:00-11:26

2 stops37h 26m

$1,591

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Fri 16/10

21:59-07:30

1 stop41h 31m

Sydney Kingsford Smith

Mon 26/10

14:00-11:26

2 stops37h 26m

$1,605

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 16/8

16:02-07:30

1 stop24h 28m

Sydney Kingsford Smith

Tue 15/9

13:15-11:26

2 stops37h 11m

$1,611

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 15/8

16:02-07:30

1 stop24h 28m

Sydney Kingsford Smith

Tue 15/9

13:15-11:26

2 stops37h 11m

$1,615

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $2,172 to $2,612.
The lowest price recently found on this route was $1,544.

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 $1,491. If you aren’t able to travel to Sydney during the month of November, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,709.

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 $2,155 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 $1,655 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 43% 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 July 2026, prices for Houston George Bush Intcntl Airport to Sydney flights are approximately 3% 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

Fastest flight time

17h 35m

Direct flights

Every day

Airports in Sydney

1 airport
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
Wollongong
Terrigal
Penrith
Katoomba
Manly
Lithgow
Coogee
Leura
Cronulla
Randwick
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.

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Sat 22/8
Sat 29/8
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia