How many flights depart from Houston to Sydney on average per week?

As of November 2026, there are 21 flights per week flying from Houston to Sydney. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

How many flights depart from Houston to Sydney on average per day?

As of November 2026, 3 flights take off from Houston and land in Sydney each day. The most common flight departure time for this route is 21:00, with 100% of daily flights taking off in the evening.

What is the cheapest airline that flies from Houston to Sydney Kingsford Smith?

Alaska Airlines, United Airlines, and American Airlines are the most popular carriers operating from Houston to Sydney Kingsford Smith

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

Prices for flights from Houston to Sydney Kingsford Smith Airport were last updated today.

How many operators does momondo search for flights from Houston to Sydney Kingsford Smith Airport?

There is 1 operator available for flights from Houston to Sydney Kingsford Smith Airport as of November 2026.

How old do you have to be to fly from Houston to Sydney Kingsford Smith Airport?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Sydney Kingsford Smith Airport.

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

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$897 Cheap Flights from Houston to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Houston to Sydney

Return

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

10:00 - 12:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

33h 35m2 stops Los Angeles Nadi

14:00 - 19:56SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

46h 56m3 stops Nadi Los Angeles Las Vegas Harry Reid Intl

$1,482Multiple Airlines

Fri, 19 Feb - Thu, 25 Feb

10:00 - 22:05IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

43h 05m2 stops Los Angeles Nadi

14:00 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,515Multiple Airlines

Fri, 19 Feb - Thu, 25 Feb

10:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

27h 25m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,539Multiple Airlines

Wed, 17 Feb - Wed, 24 Feb

09:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 25m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,569Multiple Airlines

Tue, 9 Feb - Thu, 18 Feb

09:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 25m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,588Multiple Airlines

Wed, 10 Feb - Wed, 17 Feb

09:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 25m1 stop Los Angeles

14:00 - 20:35SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 35m2 stops Nadi Los Angeles

$1,598Multiple Airlines

Sun, 31 Jan - Sun, 7 Feb

10:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

27h 25m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,604Multiple Airlines

Fri, 19 Feb - Thu, 25 Feb

10:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

27h 25m1 stop Los Angeles

14:00 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 19m2 stops Nadi Los Angeles

$1,670Multiple Airlines

Tue, 16 Feb - Wed, 24 Feb

11:55 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

52h 40m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

11:20 - 18:49SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

24h 29m2 stops Vancouver Intl Calgary

$2,668Air Canada

Thu, 11 Feb - Tue, 23 Feb

11:55 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

52h 40m3 stops Montreal Pierre Elliott Trudeau Intl Toronto Pearson Intl Vancouver Intl

11:20 - 18:49SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

24h 29m2 stops Vancouver Intl Calgary

$2,706Air Canada

Wed, 17 Feb - Wed, 24 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

22:59 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 26m1 stop Los Angeles

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$1,938Multiple Airlines

Mon, 9 Nov - Mon, 23 Nov

06:40 - 20:15IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

44h 35m3 stops Denver Intl Los Angeles Tokyo Haneda

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,058Multiple Airlines

Mon, 9 Nov - Mon, 23 Nov

06:40 - 08:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

32h 55m3 stops Denver Intl Los Angeles Auckland Intl

14:05 - 00:22SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

27h 17m3 stops Auckland Intl Los Angeles Denver Intl

$2,227Multiple Airlines

Fri, 13 Nov - Fri, 20 Nov

06:00 - 08:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

33h 35m3 stops Atlanta Hartsfield-Jackson Los Angeles Auckland Intl

14:05 - 20:49SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 44m2 stops Auckland Intl Los Angeles

$2,246Multiple Airlines

Fri, 13 Nov - Fri, 20 Nov

09:11 - 20:50IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

42h 39m2 stops Chicago O'Hare Intl Hong Kong Intl

22:20 - 00:09SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

42h 49m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,278Multiple Airlines

Mon, 9 Nov - Mon, 23 Nov

06:40 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

30h 45m2 stops Denver Intl Los Angeles

11:00 - 20:49SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

26h 49m2 stops Brisbane Los Angeles

$2,344Multiple Airlines

Fri, 13 Nov - Fri, 20 Nov

06:00 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

31h 25m2 stops Atlanta Hartsfield-Jackson Los Angeles

15:50 - 15:15SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

40h 25m1 stop Doha Hamad Intl

$2,472Multiple Airlines

Fri, 13 Nov - Fri, 20 Nov

19:55 - 08:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

19h 40m1 stop Auckland Intl

11:50 - 16:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

22h 05m1 stop San Francisco

$2,499Air New Zealand

Mon, 9 Nov - Mon, 23 Nov

22:59 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 26m1 stop Los Angeles

11:20 - 20:49SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

26h 29m1 stop Los Angeles

$2,566Multiple Airlines

Fri, 13 Nov - Fri, 20 Nov

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,874United Airlines

Mon, 9 Nov - Mon, 23 Nov

Cheap direct flights

Enter your travel dates to find the best prices.

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 08:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,451United Airlines

Tue, 9 Mar - Wed, 17 Mar

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,451United Airlines

Wed, 17 Feb - Wed, 24 Feb

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,451United Airlines

Tue, 23 Feb - Tue, 9 Mar

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,451United Airlines

Wed, 10 Feb - Wed, 17 Feb

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,523United Airlines

Wed, 10 Feb - Tue, 23 Feb

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,523United Airlines

Mon, 8 Feb - Fri, 19 Feb

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,523United Airlines

Wed, 17 Feb - Sun, 28 Feb

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,523United Airlines

Tue, 16 Feb - Wed, 24 Feb

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 08:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,523United Airlines

Wed, 10 Mar - Wed, 24 Mar

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:15 - 07:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,523United Airlines

Tue, 23 Feb - Tue, 9 Mar

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Qantas Airways flights from Houston to Sydney

Our best Qantas Airways deals on Houston to Sydney flight tickets

Qantas Airways

2 Dec

IAH15:19Houston George Bush Intcntl

24h 41m

1 stop

SYD09:00Sydney Kingsford Smith

9 Dec

SYD17:50Sydney Kingsford Smith

38h 49m

2 stops

IAH15:39Houston George Bush Intcntl

$1,724

Qantas Airways

5 Dec

IAH15:19Houston George Bush Intcntl

24h 41m

1 stop

SYD09:00Sydney Kingsford Smith

12 Dec

SYD07:05Sydney Kingsford Smith

24h 35m

2 stops

IAH14:40Houston George Bush Intcntl

$1,841

Qantas Airways

28 Mar

HOU19:08Houston Hobby

19h 47m

1 stop

SYD06:55Sydney Kingsford Smith

11 Apr

SYD12:00Sydney Kingsford Smith

18h 49m

1 stop

HOU15:49Houston Hobby

$2,792

Alaska Airlines flights from Houston to Sydney

Our best Alaska Airlines deals on Houston to Sydney flight tickets

Alaska Airlines

23 Feb

IAH17:50Houston George Bush Intcntl

43h 35m

2 stops

SYD06:25Sydney Kingsford Smith

9 Mar

SYD11:15Sydney Kingsford Smith

29h 44m

2 stops

IAH23:59Houston George Bush Intcntl

$2,133

Alaska Airlines

23 Feb

IAH17:50Houston George Bush Intcntl

43h 35m

2 stops

SYD06:25Sydney Kingsford Smith

9 Mar

SYD11:15Sydney Kingsford Smith

29h 44m

2 stops

IAH23:59Houston George Bush Intcntl

$2,140

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Fri 19/2

10:00-12:35

2 stops33h 35m

Sydney Kingsford Smith

Thu 25/2

14:00-19:56

3 stops46h 56m

$1,482

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Fri 19/2

10:00-22:05

2 stops43h 05m

Sydney Kingsford Smith

Thu 25/2

14:00-20:19

2 stops23h 19m

$1,515

Fastest return journey

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 17/2

10:00-06:25

1 stop27h 25m

Sydney Kingsford Smith

Wed 24/2

14:00-20:19

2 stops23h 19m

$1,539

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 9/2

09:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Thu 18/2

14:00-20:19

2 stops23h 19m

$1,569

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 10/2

09:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Wed 17/2

14:00-20:19

2 stops23h 19m

$1,588

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 31/1

09:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Sun 7/2

14:00-20:35

2 stops23h 35m

$1,598

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Fri 19/2

10:00-06:25

1 stop27h 25m

Sydney Kingsford Smith

Thu 25/2

14:00-20:19

2 stops23h 19m

$1,604

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 16/2

10:00-06:25

1 stop27h 25m

Sydney Kingsford Smith

Wed 24/2

14:00-20:19

2 stops23h 19m

$1,670

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Thu 11/2

11:55-09:35

3 stops52h 40m

Sydney Kingsford Smith

Tue 23/2

11:20-18:49

2 stops24h 29m

$2,668

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 17/2

11:55-09:35

3 stops52h 40m

Sydney Kingsford Smith

Wed 24/2

11:20-18:49

2 stops24h 29m

$2,706

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston 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

Prices

Airlines

Other information

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

Prices are currently low for flights on this route.

Typical prices usually range from $1,609 to $2,614.
The lowest price recently found on this route was $1,482.

What is the cheapest month to fly to Sydney?

The month of May is, on average, the cheapest month to fly to Sydney from Houston, with most prices found around $1,958. If you aren’t able to travel to Sydney during the month of May, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $2,151.

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

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

How far in advance should I book a flight from Houston to Sydney?

You are more likely to see cheaper flights to Sydney from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,415 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 for as low as $1,603 on momondo.

What cabin class options are available on Houston to Sydney flights?

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

Cheap Houston to Sydney flight deals and tips

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

Best price found	$897
Fastest flight time	17h 35m
Direct flights	Every day
Airports in Sydney	1 airport

The best one-way flight to Sydney from Houston in the past 72 hours is $897. The best return flight deal from Houston to Sydney found on momondo in the last 72 hours is $1,482.

The fastest flight from Houston to Sydney takes 17h 35m

Direct flights go from Houston to Sydney every day.

There is 1 airport in Sydney. From Houston there are direct flights to Sydney Kingsford Smith (SYD).

Search flight deals

Frequently asked questions about flying from Houston to Sydney

How far is Houston to Sydney Kingsford Smith by plane?
The distance between Houston and Sydney Kingsford Smith is about 13809.4 km. Typically, this will take 17h 35m by plane in normal conditions.
When did momondo last update prices for flights from Houston to Sydney Kingsford Smith Airport?
Prices for flights from Houston to Sydney Kingsford Smith Airport were last updated today.
How many operators does momondo search for flights from Houston to Sydney Kingsford Smith Airport?
There is 1 operator available for flights from Houston to Sydney Kingsford Smith Airport as of November 2026.
How old do you have to be to fly from Houston to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and stopovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Houston to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Houston to Sydney

Compare and see reviews for airlines that fly from Houston to Sydney with momondo

Airline	Rating	Free cancellation	Price
Air Canada	PriceFrom $2,035	Free cancellation	Rating 7.1 11,875 reviews		Search Air Canada flights

Parramatta

Terrigal

Wollongong

Katoomba

Penrith

Coogee

Lithgow

Manly

Cronulla

Randwick

Leura

Bondi Beach

Charlestown

Newport

Swansea

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Houston to Sydney. momondo saves you time and could save you money on your trip.

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

All flight searches from Houston to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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

momondo provides multiple filters to help you find the best flight to Sydney from Houston. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are simply researching potential flights to Sydney, momondo offers a useful price alert feature which will track prices for flights to Sydney from Houston and alert you when they change.