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.

$667 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.

10:37 - 12:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

33h 58m3 stops Phoenix Sky Harbor Intl Los Angeles Los Angeles Nadi

06:00 - 05:10SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

40h 10m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,604Multiple Airlines

Sun, 25 Oct - Mon, 9 Nov

10:37 - 12:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

32h 58m3 stops Denver Intl Los Angeles Los Angeles Nadi

14:55 - 05:10SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

31h 15m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,619Multiple Airlines

Mon, 9 Nov - Fri, 13 Nov

10:37 - 12:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

32h 58m3 stops Denver Intl Los Angeles Los Angeles Nadi

14:00 - 05:11SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

32h 11m2 stops Nadi Los Angeles Los Angeles

$1,643Multiple Airlines

Mon, 9 Nov - Sun, 22 Nov

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

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

13:15 - 09:25SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

35h 10m3 stops Nadi Los Angeles Los Angeles Orlando

$1,666Multiple Airlines

Sat, 12 Sep - Fri, 18 Sep

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

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

15:25 - 06:02SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

30h 37m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,696Multiple Airlines

Sun, 27 Sep - Sun, 4 Oct

10:37 - 12:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

32h 58m3 stops Denver Intl Los Angeles Los Angeles Nadi

14:00 - 11:37SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 37m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,699Multiple Airlines

Mon, 9 Nov - Sun, 22 Nov

10:37 - 08:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 58m3 stops Denver Intl Los Angeles Los Angeles Auckland Intl

09:55 - 00:42SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

31h 47m3 stops Auckland Intl Los Angeles Los Angeles Denver Intl

$1,700Multiple Airlines

Sun, 1 Nov - Tue, 10 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

37h 32m2 stops Nadi Los Angeles Los Angeles

$1,708Multiple Airlines

Sat, 17 Oct - Mon, 26 Oct

06:24 - 22:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

48h 01m3 stops Denver Intl Los Angeles Los Angeles Nadi

14:00 - 06:10SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

32h 10m3 stops Nadi Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,736Multiple Airlines

Sun, 18 Oct - Sun, 1 Nov

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

39h 26m1 stop Los Angeles Los Angeles

12:15 - 14:31SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

43h 16m2 stops Manila Ninoy Aquino Intl Los Angeles Los Angeles

$1,763Multiple Airlines

Sat, 24 Oct - Mon, 9 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

16:50 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

23h 30m1 stop Vancouver Intl

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

21h 17m1 stop Vancouver Intl

$2,053Air Canada

Mon, 31 Aug - Mon, 14 Sep

10:26 - 20:10IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

42h 44m2 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

$2,059Multiple Airlines

Mon, 31 Aug - Mon, 14 Sep

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

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

07:40 - 20:33SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

27h 53m2 stops Hong Kong Intl Dallas/Fort Worth

$2,059Multiple Airlines

Mon, 31 Aug - Mon, 14 Sep

11:45 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 35m2 stops Toronto Pearson Intl Vancouver Intl

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

21h 17m1 stop Vancouver Intl

$2,064Air Canada

Mon, 31 Aug - Mon, 14 Sep

16:50 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

23h 30m1 stop Vancouver Intl

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

21h 17m1 stop Vancouver Intl

$2,105Air Canada

Mon, 31 Aug - Mon, 14 Sep

16:50 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

23h 30m1 stop Vancouver Intl

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

21h 17m1 stop Vancouver Intl

$2,106Air Canada

Mon, 31 Aug - Mon, 14 Sep

11:45 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 35m2 stops Toronto Pearson Intl Vancouver Intl

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

21h 17m1 stop Vancouver Intl

$2,117Air Canada

Mon, 31 Aug - Mon, 14 Sep

16:50 - 07:20IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

23h 30m1 stop Vancouver Intl

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

27h 32m2 stops Vancouver Intl Toronto Pearson Intl

$2,117Air Canada

Mon, 31 Aug - Mon, 14 Sep

07:02 - 06:10IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

32h 08m2 stops Seattle/Tacoma Intl Hong Kong Intl

07:40 - 20:33SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

27h 53m2 stops Hong Kong Intl Dallas/Fort Worth

$2,134Multiple Airlines

Wed, 2 Sep - Fri, 11 Sep

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

24h 28m1 stop Los Angeles Los Angeles

11:05 - 09:45SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

37h 40m2 stops Hong Kong Intl Tokyo Narita

$2,167Multiple Airlines

Wed, 2 Sep - Fri, 11 Sep

Cheap direct flights

Enter your travel dates to find the best prices.

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

$2,561United Airlines

Sun, 25 Oct - 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

$2,575United 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

$2,576United Airlines

Tue, 23 Feb - Tue, 9 Mar

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

$2,634United Airlines

Sat, 24 Oct - Mon, 9 Nov

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

$2,641United Airlines

Sat, 24 Oct - 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

$2,645United Airlines

Mon, 16 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

$2,646United Airlines

Wed, 11 Nov - Fri, 27 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

$2,680United Airlines

Mon, 16 Nov - Sun, 29 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

$2,715United Airlines

Sat, 24 Oct - Fri, 20 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

$2,716United Airlines

Sat, 24 Oct - Fri, 20 Nov

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American Airlines flights from Houston to Sydney

Our best American Airlines deals on Houston to Sydney flight tickets

American Airlines

17 Feb

HOU14:08Houston Hobby

23h 17m

2 stops

SYD06:25Sydney Kingsford Smith

17 Mar

SYD11:20Sydney Kingsford Smith

24h 11m

2 stops

HOU19:31Houston Hobby

$2,544

American Airlines

25 Oct

HOU17:06Houston Hobby

21h 49m

1 stop

SYD06:55Sydney Kingsford Smith

9 Nov

SYD11:10Sydney Kingsford Smith

22h 22m

2 stops

HOU16:32Houston Hobby

$2,564

American Airlines

17 Feb

HOU14:08Houston Hobby

23h 17m

2 stops

SYD06:25Sydney Kingsford Smith

17 Mar

SYD11:20Sydney Kingsford Smith

24h 11m

2 stops

HOU19:31Houston Hobby

$2,571

Qantas Airways flights from Houston to Sydney

Our best Qantas Airways deals on Houston to Sydney flight tickets

Qantas Airways

9 Feb

HOU09:55Houston Hobby

28h 00m

1 stop

SYD06:55Sydney Kingsford Smith

23 Feb

SYD14:05Sydney Kingsford Smith

19h 26m

1 stop

HOU16:31Houston Hobby

$2,585

Qantas Airways

17 Jan

HOU18:56Houston Hobby

23h 49m

2 stops

SYD11:45Sydney Kingsford Smith

27 Jan

SYD14:05Sydney Kingsford Smith

19h 26m

1 stop

HOU16:31Houston Hobby

$2,600

Qantas Airways

21 Feb

HOU17:02Houston Hobby

20h 53m

1 stop

SYD06:55Sydney Kingsford Smith

28 Feb

SYD21:50Sydney Kingsford Smith

32h 44m

2 stops

HOU13:34Houston Hobby

$2,615

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

Sun 25/10

10:37-12:35

3 stops33h 58m

Sydney Kingsford Smith

Mon 9/11

06:00-05:10

3 stops40h 10m

$1,604

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 9/11

10:37-12:35

3 stops32h 58m

Sydney Kingsford Smith

Fri 13/11

14:55-05:10

3 stops31h 15m

$1,619

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 9/11

10:37-12:35

3 stops32h 58m

Sydney Kingsford Smith

Sun 22/11

14:00-05:11

2 stops32h 11m

$1,643

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 12/9

10:30-22:25

3 stops44h 55m

Sydney Kingsford Smith

Fri 18/9

13:15-09:25

3 stops35h 10m

$1,666

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 27/9

10:30-22:25

3 stops44h 55m

Sydney Kingsford Smith

Sun 4/10

15:25-06:02

3 stops30h 37m

$1,696

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 9/11

10:37-12:35

3 stops32h 58m

Sydney Kingsford Smith

Sun 22/11

14:00-11:37

3 stops38h 37m

$1,698

Fastest return journey

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 1/11

10:37-08:35

3 stops28h 58m

Sydney Kingsford Smith

Tue 10/11

09:55-00:42

3 stops31h 47m

$1,700

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 26/10

14:00-11:32

2 stops37h 32m

$1,708

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 18/10

06:24-22:25

3 stops48h 01m

Sydney Kingsford Smith

Sun 1/11

14:00-06:10

3 stops32h 10m

$1,736

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 24/10

22:59-06:25

1 stop39h 26m

Sydney Kingsford Smith

Mon 9/11

12:15-14:31

2 stops43h 16m

$1,763

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 $1,673 to $2,381.
The lowest price recently found on this route was $1,604.

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 $1,517. 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 $1,785.

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 $2,056 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 $1,411 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	$667
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 $667. The best return flight deal from Houston to Sydney found on momondo in the last 72 hours is $1,604.

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 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.