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

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.

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.

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.

$798 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.

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

$1,485Multiple Airlines

Sat, 30 Jan - Sat, 13 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

$1,505Multiple Airlines

Sun, 14 Feb - Tue, 2 Mar

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

$1,513Multiple Airlines

Tue, 23 Feb - Wed, 3 Mar

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

$1,540Multiple Airlines

Tue, 23 Feb - Wed, 3 Mar

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

28h 25m1 stop Los Angeles

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

22h 24m2 stops Nadi Los Angeles

$1,545Multiple Airlines

Sat, 30 Jan - Sun, 14 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

$1,570Multiple Airlines

Tue, 2 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

$1,584Multiple Airlines

Sat, 30 Jan - Fri, 12 Feb

10:00 - 20:15IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

41h 15m2 stops Los Angeles Tokyo Haneda

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

23h 19m2 stops Nadi Los Angeles

$1,637Multiple Airlines

Mon, 1 Mar - Mon, 8 Mar

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

28h 40m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

11:20 - 21:34SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

51h 14m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$2,438Air Canada

Sun, 31 Jan - Wed, 17 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 - 21:26SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

51h 06m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$2,438Air Canada

Tue, 23 Feb - Tue, 9 Mar

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

06:00 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

46h 32m2 stops Nadi Los Angeles

$1,748Multiple Airlines

Mon, 9 Nov - Fri, 20 Nov

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

$1,816Multiple Airlines

Mon, 9 Nov - Mon, 23 Nov

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

$1,839Multiple Airlines

Mon, 9 Nov - Wed, 25 Nov

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

$1,922Multiple Airlines

Mon, 9 Nov - Wed, 25 Nov

14:49 - 20:15IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

36h 26m3 stops Las Vegas Harry Reid Intl Los Angeles Tokyo Haneda

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

15h 40mdirect

$1,956Multiple Airlines

Mon, 9 Nov - Wed, 25 Nov

14:49 - 20:15IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

36h 26m3 stops Las Vegas Harry Reid Intl Los Angeles Tokyo Haneda

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

15h 40mdirect

$1,957Multiple Airlines

Mon, 9 Nov - Wed, 25 Nov

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

38h 26m1 stop Los Angeles

11:20 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

41h 12m1 stop Los Angeles

$1,973Multiple Airlines

Mon, 9 Nov - Thu, 26 Nov

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

38h 26m1 stop Los Angeles

11:20 - 11:27SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

41h 07m2 stops Los Angeles Las Vegas Harry Reid Intl

$1,992Multiple Airlines

Mon, 9 Nov - Thu, 26 Nov

09:33 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

31h 02m2 stops Calgary Vancouver Intl

11:20 - 13:21SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

43h 01m2 stops Vancouver Intl Edmonton

$2,751Air Canada

Mon, 9 Nov - Wed, 25 Nov

09:33 - 09:35IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

31h 02m2 stops Calgary Vancouver Intl

11:20 - 13:21SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

43h 01m2 stops Vancouver Intl Edmonton

$2,751Air Canada

Mon, 9 Nov - Mon, 23 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

1 Dec

IAH15:17Houston George Bush Intcntl

24h 43m

1 stop

SYD09:00Sydney Kingsford Smith

12 Dec

SYD07:05Sydney Kingsford Smith

24h 35m

2 stops

IAH14:40Houston George Bush Intcntl

$1,734

Qantas Airways

27 Nov

IAH15:17Houston George Bush Intcntl

24h 43m

1 stop

SYD09:00Sydney Kingsford Smith

12 Dec

SYD07:05Sydney Kingsford Smith

24h 35m

2 stops

IAH14:40Houston George Bush Intcntl

$1,805

Qantas Airways

14 Feb

HOU11:41Houston Hobby

26h 14m

1 stop

SYD06:55Sydney Kingsford Smith

2 Mar

SYD14:05Sydney Kingsford Smith

18h 14m

1 stop

HOU15:19Houston Hobby

$2,696

American Airlines flights from Houston to Sydney

Our best American Airlines deals on Houston to Sydney flight tickets

American Airlines

11 Mar

HOU15:50Houston Hobby

22h 05m

1 stop

SYD06:55Sydney Kingsford Smith

27 Mar

SYD13:05Sydney Kingsford Smith

21h 33m

1 stop

HOU18:38Houston Hobby

$2,553

American Airlines

26 Feb

HOU15:50Houston Hobby

22h 05m

1 stop

SYD06:55Sydney Kingsford Smith

5 Mar

SYD14:05Sydney Kingsford Smith

26h 42m

1 stop

HOU23:47Houston Hobby

$2,559

American Airlines

26 Feb

HOU15:50Houston Hobby

24h 10m

2 stops

SYD09:00Sydney Kingsford Smith

5 Mar

SYD14:05Sydney Kingsford Smith

18h 14m

1 stop

HOU15:19Houston Hobby

$2,565

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 30/1

09:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Sat 13/2

14:00-20:19

2 stops23h 19m

$1,485

Fastest return journey

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

$1,505

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 23/2

10:00-06:25

1 stop27h 25m

Sydney Kingsford Smith

Wed 3/3

14:00-20:19

2 stops23h 19m

$1,513

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 23/2

10:00-06:25

1 stop27h 25m

Sydney Kingsford Smith

Wed 3/3

14:00-20:19

2 stops23h 19m

$1,540

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 30/1

09:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Sun 14/2

14:55-20:19

2 stops22h 24m

$1,545

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

$1,570

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sat 30/1

09:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Fri 12/2

14:00-20:19

2 stops23h 19m

$1,584

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 1/3

10:00-20:15

2 stops41h 15m

Sydney Kingsford Smith

Mon 8/3

14:00-20:19

2 stops23h 19m

$1,637

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 31/1

11:55-09:35

2 stops28h 40m

Sydney Kingsford Smith

Wed 17/2

11:20-21:34

3 stops51h 14m

$2,438

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 23/2

11:55-09:35

3 stops52h 40m

Sydney Kingsford Smith

Tue 9/3

11:20-21:26

2 stops51h 06m

$2,438

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 $1,438 to $2,422.
The lowest price recently found on this route was $1,485.

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 $1,823. 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 $2,108.

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 $2,314 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 $1,570 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	$798
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 $798. The best return flight deal from Houston to Sydney found on momondo in the last 72 hours is $1,485.

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 $1,993	Free cancellation	Rating 7.1 11,847 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.