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

As of October 2026, 1 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.

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

As of October 2026, there are 12 flights per week flying from Houston to Sydney. The most common day of the week flights depart is Wed, with 25% of flights taking off on this day.

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

Air New Zealand, United Airlines, and Delta 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 October 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.

$884 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 - 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

$1,500Multiple Airlines

Sun, 14 Feb - Tue, 2 Mar

09:30 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

31h 05m2 stops Calgary Vancouver Intl

11:20 - 14:38SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

20h 18m1 stop Vancouver Intl

$1,543Air Canada

Tue, 9 Feb - Tue, 23 Feb

18:10 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

22h 25m1 stop Vancouver Intl

11:20 - 14:37SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

20h 17m1 stop Vancouver Intl

$1,543Air Canada

Tue, 23 Feb - Tue, 9 Mar

09:30 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

31h 05m2 stops Calgary Vancouver Intl

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

48h 29m2 stops Vancouver Intl Calgary

$1,543Air Canada

Tue, 9 Feb - Tue, 23 Feb

09:30 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

31h 05m2 stops Calgary Vancouver Intl

11:20 - 18:09SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

47h 49m2 stops Vancouver Intl Calgary

$1,543Air Canada

Tue, 23 Feb - Tue, 9 Mar

18:10 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

22h 25m1 stop Vancouver Intl

11:20 - 14:38SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

20h 18m1 stop Vancouver Intl

$1,543Air Canada

Tue, 9 Feb - Tue, 23 Feb

18:10 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

22h 25m1 stop Vancouver Intl

11:20 - 18:09SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

47h 49m2 stops Vancouver Intl Calgary

$1,543Air Canada

Tue, 23 Feb - Tue, 9 Mar

12:22 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

25h 03m1 stop Los Angeles

14:00 - 12:02SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

39h 02m2 stops Nadi Los Angeles

$1,560Multiple Airlines

Wed, 25 Nov - Wed, 2 Dec

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

$1,564Multiple Airlines

Tue, 2 Feb - Thu, 18 Feb

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

27h 25m1 stop Los Angeles

14:55 - 20:19SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

22h 24m2 stops Nadi Los Angeles

$1,586Multiple Airlines

Wed, 17 Feb - Sun, 28 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

31h 20m2 stops Atlanta Hartsfield-Jackson Los Angeles

14:00 - 00:42SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

27h 42m3 stops Nadi Los Angeles Denver Intl

$1,868Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

21:55 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

39h 30m1 stop Los Angeles

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

38h 32m2 stops Nadi Los Angeles

$1,895Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

07:36 - 20:50IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

44h 14m2 stops Chicago O'Hare Intl Hong Kong Intl

22:20 - 23:59SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

42h 39m2 stops Hong Kong Intl Seattle/Tacoma Intl

$2,154Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

07:36 - 20:50IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

44h 14m2 stops Chicago O'Hare Intl Hong Kong Intl

22:20 - 23:59SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

42h 39m2 stops Hong Kong Intl Seattle/Tacoma Intl

$2,155Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

17:02 - 20:50HOU Houston Hobby-SYD Sydney Kingsford Smith

34h 48m2 stops Dallas/Fort Worth Hong Kong Intl

22:20 - 22:34SYD Sydney Kingsford Smith-HOU Houston Hobby

41h 14m2 stops Hong Kong Intl Dallas/Fort Worth

$2,161Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

12:13 - 20:50IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

39h 37m2 stops Dallas/Fort Worth Hong Kong Intl

08:45 - 00:06SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

32h 21m2 stops Hong Kong Intl Dallas/Fort Worth

$2,161Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

20:01 - 20:50IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

31h 49m2 stops Dallas/Fort Worth Hong Kong Intl

22:20 - 20:34SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

39h 14m2 stops Hong Kong Intl Dallas/Fort Worth

$2,164Multiple Airlines

Mon, 2 Nov - Mon, 16 Nov

18:56 - 20:50IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

32h 54m2 stops Dallas/Fort Worth Hong Kong Intl

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

38h 49m2 stops Hong Kong Intl Chicago O'Hare Intl

$2,165Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

18:10 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

22h 25m1 stop Vancouver Intl

11:20 - 14:38SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

20h 18m1 stop Vancouver Intl

$2,411Air Canada

Wed, 4 Nov - Wed, 11 Nov

18:10 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

22h 25m1 stop Vancouver Intl

11:20 - 10:58SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

40h 38m2 stops Vancouver Intl Toronto Pearson Intl

$2,422Air Canada

Wed, 4 Nov - Wed, 11 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

$2,391United Airlines

Mon, 8 Mar - Mon, 22 Mar

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

$2,391United Airlines

Tue, 9 Mar - Tue, 23 Mar

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

$2,391United Airlines

Wed, 10 Mar - Wed, 24 Mar

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

$2,391United Airlines

Mon, 8 Mar - Wed, 24 Mar

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

$2,391United Airlines

Mon, 8 Mar - Tue, 23 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

$2,391United Airlines

Tue, 23 Feb - Tue, 9 Mar

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

$2,391United Airlines

Tue, 9 Mar - Wed, 24 Mar

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

$2,391United Airlines

Tue, 9 Mar - Mon, 22 Mar

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

$2,391United Airlines

Wed, 10 Mar - Tue, 23 Mar

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Delta flights from Houston to Sydney

Our best Delta deals on Houston to Sydney flight tickets

Delta

24 Jan

HOU11:12Houston Hobby

28h 18m

2 stops

SYD08:30Sydney Kingsford Smith

6 Feb

SYD10:40Sydney Kingsford Smith

28h 09m

2 stops

HOU21:49Houston Hobby

$2,490

Delta

23 Nov

HOU10:27Houston Hobby

29h 03m

2 stops

SYD08:30Sydney Kingsford Smith

7 Dec

SYD10:40Sydney Kingsford Smith

29h 51m

2 stops

HOU23:31Houston Hobby

$2,633

Delta

12 Mar

HOU13:00Houston Hobby

25h 20m

2 stops

SYD07:20Sydney Kingsford Smith

28 Mar

SYD09:40Sydney Kingsford Smith

40h 09m

2 stops

HOU09:49Houston Hobby

$2,668

American Airlines flights from Houston to Sydney

Our best American Airlines deals on Houston to Sydney flight tickets

American Airlines

9 Feb

HOU11:30Houston Hobby

26h 25m

1 stop

SYD06:55Sydney Kingsford Smith

23 Feb

SYD14:05Sydney Kingsford Smith

20h 03m

1 stop

HOU17:08Houston Hobby

$2,408

American Airlines

9 Feb

HOU14:07Houston Hobby

23h 18m

2 stops

SYD06:25Sydney Kingsford Smith

23 Feb

SYD14:05Sydney Kingsford Smith

20h 03m

1 stop

HOU17:08Houston Hobby

$2,414

American Airlines

8 Mar

HOU15:50Houston Hobby

22h 05m

1 stop

SYD06:55Sydney Kingsford Smith

28 Mar

SYD10:10Sydney Kingsford Smith

21h 09m

2 stops

HOU15:19Houston Hobby

$2,485

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 14/2

10:00-06:25

1 stop27h 25m

Sydney Kingsford Smith

Tue 2/3

14:00-20:19

2 stops23h 19m

$1,500

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 9/2

09:30-09:35

2 stops31h 05m

Sydney Kingsford Smith

Tue 23/2

11:20-14:38

1 stop20h 18m

$1,543

Fastest return journey

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 23/2

18:10-09:35

1 stop22h 25m

Sydney Kingsford Smith

Tue 9/3

11:20-14:37

1 stop20h 17m

$1,543

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 9/2

09:30-09:35

2 stops31h 05m

Sydney Kingsford Smith

Tue 23/2

11:20-18:49

2 stops48h 29m

$1,543

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 23/2

09:30-09:35

2 stops31h 05m

Sydney Kingsford Smith

Tue 9/3

11:20-18:09

2 stops47h 49m

$1,543

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 9/2

18:10-09:35

1 stop22h 25m

Sydney Kingsford Smith

Tue 23/2

11:20-14:38

1 stop20h 18m

$1,543

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 23/2

18:10-09:35

1 stop22h 25m

Sydney Kingsford Smith

Tue 9/3

11:20-18:09

2 stops47h 49m

$1,543

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 25/11

12:22-06:25

1 stop25h 03m

Sydney Kingsford Smith

Wed 2/12

14:00-12:02

2 stops39h 02m

$1,560

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 2/2

09:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Thu 18/2

14:00-20:19

2 stops23h 19m

$1,564

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

Sun 28/2

14:55-20:19

2 stops22h 24m

$1,586

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 typical for flights on this route.

Typical prices usually range from $1,290 to $2,407.
The lowest price recently found on this route was $1,500.

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 $1,817. 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 $1,891.

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 $2,222 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 $1,564 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	$884
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 $884. The best return flight deal from Houston to Sydney found on momondo in the last 72 hours is $1,500.

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 October 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 $1,986	Free cancellation	Rating 7.1 11,833 reviews		Search Air Canada flights

Parramatta

Terrigal

Wollongong

Katoomba

Penrith

Coogee

Lithgow

Manly

Cronulla

Randwick

Leura

Bondi Beach

Charlestown

Swansea

Newport

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.