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

Delta and Qantas Airways 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 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.

$854 Cheap Flights from Houston to Sydney in 2026

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.

22:59 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

40h 31m1 stop Los Angeles Los Angeles

14:00 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 32m2 stops Nadi Los Angeles Los Angeles

$1,213Multiple Airlines

Sat, 17 Oct - Mon, 9 Nov

22:59 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

40h 31m1 stop Los Angeles Los Angeles

14:00 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 32m2 stops Nadi Los Angeles Los Angeles

$1,235Multiple Airlines

Sat, 17 Oct - Mon, 9 Nov

22:59 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

40h 31m1 stop Los Angeles Los Angeles

14:15 - 11:26SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

37h 11m2 stops Nadi Los Angeles Los Angeles

$1,273Multiple Airlines

Sat, 17 Oct - Fri, 23 Oct

22:59 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

40h 31m1 stop Los Angeles Los Angeles

14:55 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

37h 37m2 stops Nadi Los Angeles Los Angeles

$1,305Multiple Airlines

Sat, 17 Oct - Fri, 13 Nov

22:59 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

40h 31m1 stop Los Angeles Los Angeles

14:00 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 32m2 stops Nadi Los Angeles Los Angeles

$1,308Multiple Airlines

Sun, 18 Oct - Mon, 9 Nov

22:59 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

40h 31m1 stop Los Angeles Los Angeles

14:00 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 32m2 stops Nadi Los Angeles Los Angeles

$1,327Multiple Airlines

Sat, 17 Oct - Tue, 10 Nov

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

39h 26m1 stop Los Angeles Los Angeles

14:00 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 32m2 stops Nadi Los Angeles Los Angeles

$1,333Multiple Airlines

Mon, 26 Oct - Mon, 9 Nov

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

39h 26m1 stop Los Angeles Los Angeles

14:00 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 32m2 stops Nadi Los Angeles Los Angeles

$1,346Multiple Airlines

Mon, 26 Oct - Mon, 9 Nov

22:59 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

40h 31m1 stop Los Angeles Los Angeles

14:55 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

37h 37m2 stops Nadi Los Angeles Los Angeles

$1,376Multiple Airlines

Sun, 18 Oct - Fri, 13 Nov

22:59 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

40h 31m1 stop Los Angeles Los Angeles

14:00 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 32m2 stops Nadi Los Angeles Los Angeles

$1,377Multiple Airlines

Sat, 17 Oct - Wed, 11 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

10:30 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

30h 00m2 stops Denver Intl Los Angeles Los Angeles

17:50 - 11:24SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

32h 34m1 stop Los Angeles Los Angeles

$2,029Multiple Airlines

Mon, 14 Sep - Mon, 21 Sep

21:30 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

42h 50m2 stops Denver Intl Vancouver Intl

09:20 - 18:42SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

24h 22m1 stop Vancouver Intl

$2,053Air Canada

Sat, 12 Sep - Wed, 16 Sep

21:30 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

42h 50m2 stops Denver Intl Vancouver Intl

09:20 - 21:52SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

27h 32m2 stops Vancouver Intl Toronto Pearson Intl

$2,064Air Canada

Sat, 12 Sep - Wed, 16 Sep

16:45 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

23h 35m1 stop Vancouver Intl

09:20 - 15:37SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 17m1 stop Vancouver Intl

$2,099Air Canada

Sat, 12 Sep - Wed, 16 Sep

22:09 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

42h 21m1 stop Los Angeles Los Angeles

14:25 - 11:24SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

35h 59m2 stops Nadi Los Angeles Los Angeles

$2,107Multiple Airlines

Wed, 16 Sep - Sun, 27 Sep

14:08 - 20:10IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

39h 02m2 stops Dallas/Fort Worth Hong Kong Intl

21:55 - 22:30SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

39h 35m2 stops Hong Kong Intl Dallas/Fort Worth

$2,121Multiple Airlines

Mon, 14 Sep - Mon, 21 Sep

16:32 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

47h 48m2 stops Edmonton Vancouver Intl

09:20 - 15:37SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 17m1 stop Vancouver Intl

$2,144Air Canada

Sat, 12 Sep - Sat, 26 Sep

16:32 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

47h 48m2 stops Edmonton Vancouver Intl

09:20 - 15:37SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 17m1 stop Vancouver Intl

$2,198Air Canada

Sat, 12 Sep - Sat, 26 Sep

16:45 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

23h 35m1 stop Vancouver Intl

09:20 - 15:37SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 17m1 stop Vancouver Intl

$2,203Air Canada

Sat, 12 Sep - Sat, 26 Sep

10:00 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

30h 20m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

09:20 - 15:37SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 17m1 stop Vancouver Intl

$2,209Air Canada

Sat, 12 Sep - Sat, 26 Sep

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

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,568United Airlines

Tue, 23 Feb - Tue, 9 Mar

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

17h 35mdirect

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,569United Airlines

Sun, 1 Nov - Mon, 16 Nov

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

17h 35mdirect

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,571United Airlines

Sun, 1 Nov - Mon, 16 Nov

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

17h 35mdirect

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,637United Airlines

Wed, 11 Nov - Sat, 28 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

$2,707United Airlines

Fri, 12 Feb - Fri, 26 Feb

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

17h 35mdirect

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,742United Airlines

Sun, 24 Jan - Sat, 6 Feb

21:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,778United Airlines

Sun, 25 Oct - Mon, 9 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

$2,811United Airlines

Tue, 19 Jan - Wed, 10 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

$2,824United Airlines

Mon, 7 Dec - Sun, 31 Jan

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

17h 35mdirect

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,881United Airlines

Fri, 22 Jan - Mon, 1 Feb

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Cathay Pacific flights from Houston to Sydney

Our best Cathay Pacific deals on Houston to Sydney flight tickets

Cathay Pacific

27 Sept

HOU18:19Houston Hobby

34h 51m

2 stops

SYD20:10Sydney Kingsford Smith

4 Oct

SYD22:20Sydney Kingsford Smith

41h 29m

2 stops

HOU23:49Houston Hobby

$2,494

Cathay Pacific

27 Sept

HOU18:19Houston Hobby

34h 51m

2 stops

SYD20:10Sydney Kingsford Smith

4 Oct

SYD22:20Sydney Kingsford Smith

41h 29m

2 stops

HOU23:49Houston Hobby

$2,495

Cathay Pacific

18 Sept

HOU18:19Houston Hobby

34h 51m

2 stops

SYD20:10Sydney Kingsford Smith

16 Oct

SYD22:20Sydney Kingsford Smith

52h 51m

2 stops

HOU11:11Houston Hobby

$3,089

Qantas Airways flights from Houston to Sydney

Our best Qantas Airways deals on Houston to Sydney flight tickets

Qantas Airways

19 Jan

HOU14:07Houston Hobby

23h 48m

1 stop

SYD06:55Sydney Kingsford Smith

10 Feb

SYD14:05Sydney Kingsford Smith

19h 30m

1 stop

HOU16:35Houston Hobby

$2,552

Qantas Airways

8 Feb

HOU17:05Houston Hobby

20h 50m

1 stop

SYD06:55Sydney Kingsford Smith

15 Feb

SYD14:05Sydney Kingsford Smith

19h 26m

1 stop

HOU16:31Houston Hobby

$2,578

Qantas Airways

19 Jan

HOU14:07Houston Hobby

24h 58m

2 stops

SYD08:05Sydney Kingsford Smith

10 Feb

SYD14:05Sydney Kingsford Smith

19h 30m

1 stop

HOU16:35Houston Hobby

$2,591

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

Sat 17/10

22:59-07:30

1 stop40h 31m

Sydney Kingsford Smith

Mon 9/11

14:00-11:32

2 stops38h 32m

$1,213

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 17/10

22:59-07:30

1 stop40h 31m

Sydney Kingsford Smith

Mon 9/11

14:00-11:32

2 stops38h 32m

$1,235

Fastest return journey

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 17/10

22:59-07:30

1 stop40h 31m

Sydney Kingsford Smith

Fri 23/10

14:15-11:26

2 stops37h 11m

$1,273

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 17/10

22:59-07:30

1 stop40h 31m

Sydney Kingsford Smith

Fri 13/11

14:55-11:32

2 stops37h 37m

$1,305

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 18/10

22:59-07:30

1 stop40h 31m

Sydney Kingsford Smith

Mon 9/11

14:00-11:32

2 stops38h 32m

$1,308

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 17/10

22:59-07:30

1 stop40h 31m

Sydney Kingsford Smith

Tue 10/11

14:00-11:32

2 stops38h 32m

$1,327

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 26/10

22:59-06:25

1 stop39h 26m

Sydney Kingsford Smith

Mon 9/11

14:00-11:32

2 stops38h 32m

$1,333

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 26/10

22:59-06:25

1 stop39h 26m

Sydney Kingsford Smith

Mon 9/11

14:00-11:32

2 stops38h 32m

$1,346

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 18/10

22:59-07:30

1 stop40h 31m

Sydney Kingsford Smith

Fri 13/11

14:55-11:32

2 stops37h 37m

$1,376

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 17/10

22:59-07:30

1 stop40h 31m

Sydney Kingsford Smith

Wed 11/11

14:00-11:32

2 stops38h 32m

$1,377

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

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 $2,086 to $2,373.
The lowest price recently found on this route was $1,213.

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, with most prices found around $1,515. 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 $1,779.

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 $2,093 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 $1,406 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	$854
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 $854. The best return flight deal from Houston to Sydney found on momondo in the last 72 hours is $1,213.

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 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.

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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.