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.

$814 Cheap Flights from Houston to Sydney in 2026

Find the cheapest flights from Houston to Sydney

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One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

06:25 - 11:50IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 25m3 stops Denver Intl Ontario Nadi

13:15 - 06:02SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

31h 47m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,437Multiple Airlines

Wed, 16 Sep - Thu, 24 Sep

06:30 - 12:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 05m3 stops Denver Intl Los Angeles Los Angeles Nadi

14:00 - 12:40SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

39h 40m3 stops Nadi Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$1,559Multiple Airlines

Wed, 28 Oct - Wed, 4 Nov

06:25 - 11:50IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 25m3 stops Denver Intl Los Angeles Los Angeles Nadi

13:15 - 11:23SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

37h 08m3 stops Nadi Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$1,561Multiple Airlines

Mon, 14 Sep - Wed, 23 Sep

16:20 - 11:50IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 30m2 stops Ontario Nadi

13:15 - 11:23SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

37h 08m3 stops Nadi Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$1,616Multiple Airlines

Mon, 14 Sep - Wed, 23 Sep

10:30 - 22:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

44h 55m3 stops Denver Intl Los Angeles Los Angeles Nadi

13:15 - 21:14SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

46h 59m3 stops Nadi Los Angeles Los Angeles Orlando

$1,647Multiple Airlines

Sun, 13 Sep - Mon, 21 Sep

22:59 - 08:05IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

41h 06m1 stop Los Angeles Los Angeles

11:20 - 11:26SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

41h 06m1 stop Los Angeles Los Angeles

$1,666Multiple Airlines

Tue, 13 Oct - Wed, 4 Nov

16:20 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

24h 10m1 stop Ontario

09:10 - 00:43SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

30h 33m2 stops Los Angeles Los Angeles Denver Intl

$1,704Multiple Airlines

Mon, 14 Sep - Wed, 23 Sep

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

32h 55m3 stops Denver Intl Los Angeles Los Angeles Auckland Intl

11:50 - 21:45SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

26h 55m3 stops Auckland Intl Los Angeles Los Angeles Denver Intl

$1,720Multiple Airlines

Tue, 3 Nov - Wed, 11 Nov

06:08 - 11:50IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 42m3 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles Nadi

13:15 - 06:02SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

31h 47m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,728Multiple Airlines

Sun, 13 Sep - Sun, 20 Sep

06:25 - 07:05IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

33h 40m2 stops Denver Intl Ontario

09:10 - 06:02SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

35h 52m2 stops Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,756Multiple Airlines

Wed, 16 Sep - Thu, 24 Sep

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:02 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

24h 28m1 stop Los Angeles Los Angeles

09:10 - 23:56SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

29h 46m1 stop Los Angeles Los Angeles

$2,076Multiple Airlines

Sat, 22 Aug - Sat, 29 Aug

16:21 - 20:10IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

36h 49m2 stops Dallas/Fort Worth Hong Kong Intl

14:05 - 19:46SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

44h 41m2 stops Hong Kong Intl Los Angeles Los Angeles

$2,082Multiple Airlines

Thu, 20 Aug - Tue, 1 Sep

18:49 - 20:10IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

34h 21m2 stops Dallas/Fort Worth Hong Kong Intl

14:05 - 19:46SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

44h 41m2 stops Hong Kong Intl Los Angeles Los Angeles

$2,085Multiple Airlines

Mon, 24 Aug - Mon, 31 Aug

06:07 - 11:45IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

38h 38m2 stops Chicago O'Hare Intl Hong Kong Intl

14:05 - 19:46SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

44h 41m2 stops Hong Kong Intl Los Angeles Los Angeles

$2,086Multiple Airlines

Mon, 24 Aug - Mon, 31 Aug

10:45 - 08:05IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

54h 20m2 stops Tokyo Narita Osaka Kansai Intl

17:50 - 23:56SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 06m1 stop Los Angeles Los Angeles

$2,092Multiple Airlines

Mon, 24 Aug - Mon, 31 Aug

16:02 - 07:05IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

24h 03m1 stop Los Angeles Los Angeles

09:10 - 10:47SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

40h 37m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$2,109Multiple Airlines

Sat, 22 Aug - Sat, 29 Aug

15:52 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

24h 38m1 stop Los Angeles Los Angeles

17:50 - 23:56SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 06m1 stop Los Angeles Los Angeles

$2,134Multiple Airlines

Thu, 20 Aug - Tue, 1 Sep

20:19 - 20:10IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

32h 51m2 stops Los Angeles Los Angeles Hong Kong Intl

07:40 - 20:40SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

28h 00m2 stops Hong Kong Intl Dallas/Fort Worth

$2,147Multiple Airlines

Sun, 23 Aug - Sat, 5 Sep

21:55 - 08:45IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

19h 50m1 stop Auckland Intl

09:30 - 21:57SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

27h 27m1 stop Los Angeles Los Angeles

$2,185Air New Zealand

Mon, 24 Aug - Mon, 31 Aug

18:14 - 20:10HOU Houston Hobby-SYD Sydney Kingsford Smith

34h 56m2 stops Dallas/Fort Worth Hong Kong Intl

07:40 - 15:26SYD Sydney Kingsford Smith-HOU Houston Hobby

46h 46m2 stops Hong Kong Intl Dallas/Fort Worth

$2,224Multiple Airlines

Sun, 23 Aug - Sat, 5 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

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

15h 40mdirect

$2,597United Airlines

Wed, 11 Nov - Sun, 29 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

$2,668United Airlines

Wed, 11 Nov - Sat, 28 Nov

21:25 - 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

$2,738United Airlines

Sat, 24 Oct - 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

$2,773United Airlines

Fri, 20 Nov - Sun, 29 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

$3,090United Airlines

Wed, 23 Dec - Wed, 30 Dec

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

$3,126United Airlines

Fri, 20 Nov - Sun, 29 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

$3,196United Airlines

Fri, 20 Nov - Sat, 28 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

$3,489United Airlines

Thu, 19 Nov - Mon, 30 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

$3,514United Airlines

Tue, 3 Nov - Mon, 9 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

$3,585United Airlines

Fri, 13 Nov - Tue, 17 Nov

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Qantas Airways flights from Houston to Sydney

Our best Qantas Airways deals on Houston to Sydney flight tickets

Qantas Airways

24 Jan

IAH14:12Houston George Bush Intcntl

25h 48m

1 stop

SYD09:00Sydney Kingsford Smith

6 Feb

SYD17:50Sydney Kingsford Smith

36h 27m

2 stops

IAH13:17Houston George Bush Intcntl

$1,807

Qantas Airways

27 Jan

IAH14:12Houston George Bush Intcntl

25h 48m

1 stop

SYD09:00Sydney Kingsford Smith

19 Feb

SYD08:55Sydney Kingsford Smith

27h 04m

2 stops

IAH18:59Houston George Bush Intcntl

$1,851

Qantas Airways

24 Oct

IAH20:04Houston George Bush Intcntl

42h 21m

1 stop

SYD06:25Sydney Kingsford Smith

20 Nov

SYD19:15Sydney Kingsford Smith

35h 06m

2 stops

IAH13:21Houston George Bush Intcntl

$1,903

Cathay Pacific flights from Houston to Sydney

Our best Cathay Pacific deals on Houston to Sydney flight tickets

Cathay Pacific

13 Sept

HOU18:19Houston Hobby

34h 51m

2 stops

SYD20:10Sydney Kingsford Smith

20 Sept

SYD21:55Sydney Kingsford Smith

54h 30m

2 stops

HOU13:25Houston Hobby

$2,156

Cathay Pacific

14 Oct

HOU20:24Houston Hobby

32h 21m

2 stops

SYD20:45Sydney Kingsford Smith

25 Oct

SYD22:20Sydney Kingsford Smith

52h 51m

2 stops

HOU11:11Houston Hobby

$2,337

Cathay Pacific

18 Sept

HOU18:19Houston Hobby

34h 51m

2 stops

SYD20:10Sydney Kingsford Smith

26 Sept

SYD21:55Sydney Kingsford Smith

40h 55m

2 stops

HOU23:50Houston Hobby

$2,486

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

Wed 16/9

06:25-11:50

3 stops38h 25m

Sydney Kingsford Smith

Thu 24/9

13:15-06:02

3 stops31h 47m

$1,437

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 28/10

06:30-12:35

3 stops38h 05m

Sydney Kingsford Smith

Wed 4/11

14:00-12:40

3 stops39h 40m

$1,559

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 14/9

06:25-11:50

3 stops38h 25m

Sydney Kingsford Smith

Wed 23/9

13:15-11:23

3 stops37h 08m

$1,561

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 14/9

16:20-11:50

2 stops28h 30m

Sydney Kingsford Smith

Wed 23/9

13:15-11:23

3 stops37h 08m

$1,616

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 13/9

10:30-22:25

3 stops44h 55m

Sydney Kingsford Smith

Mon 21/9

13:15-21:14

3 stops46h 59m

$1,647

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 13/10

22:59-08:05

1 stop41h 06m

Sydney Kingsford Smith

Wed 4/11

11:20-11:26

1 stop41h 06m

$1,666

Fastest return journey

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 14/9

16:20-07:30

1 stop24h 10m

Sydney Kingsford Smith

Wed 23/9

09:10-00:43

2 stops30h 33m

$1,704

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 3/11

06:40-08:35

3 stops32h 55m

Sydney Kingsford Smith

Wed 11/11

11:50-21:45

3 stops26h 55m

$1,720

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 13/9

06:08-11:50

3 stops38h 42m

Sydney Kingsford Smith

Sun 20/9

13:15-06:02

3 stops31h 47m

$1,728

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 16/9

06:25-07:05

2 stops33h 40m

Sydney Kingsford Smith

Thu 24/9

09:10-06:02

2 stops35h 52m

$1,756

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

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 $1,556 to $2,248.
The lowest price recently found on this route was $1,437.

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 $1,476. 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 $1,594.

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 $2,064 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 $1,424 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	$814
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 $814. The best return flight deal from Houston to Sydney found on momondo in the last 72 hours is $1,437.

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.