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

Delta, American Airlines, 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.

$940 Cheap Flights from Houston to Sydney in 2026

Q: 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 $2,631 to $1,771. The lowest price recently found on this route was $1,700.

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Find the cheapest flights from Houston to Sydney

Round-trip

One-way

Last minute

Direct

Cheap return flights

Enter your travel dates to find the best prices.

06:10 - 11:50

IAH

SYD

38h 40m

2 stops

13:15 - 23:56

SYD

IAH

25h 41m

2 stops

$1,700Multiple Airlines

Mon, 6 Jul - Tue, 21 Jul

06:10 - 11:50

IAH

SYD

38h 40m

2 stops

13:15 - 21:03

SYD

IAH

46h 48m

3 stops

$1,704Multiple Airlines

Mon, 6 Jul - Tue, 21 Jul

06:30 - 19:10

IAH

SYD

45h 40m

2 stops

17:50 - 15:11

SYD

IAH

36h 21m

1 stop

$1,909Multiple Airlines

Wed, 26 Aug - Sat, 5 Sep

21:59 - 07:30

IAH

SYD

41h 31m

1 stop

18:50 - 11:26

SYD

IAH

32h 36m

1 stop

$1,913Multiple Airlines

Tue, 13 Oct - Tue, 20 Oct

21:55 - 07:30

IAH

SYD

42h 35m

1 stop

18:50 - 11:26

SYD

IAH

32h 36m

1 stop

$1,923Multiple Airlines

Mon, 28 Sep - Tue, 6 Oct

16:15 - 06:55

HOU

SYD

22h 40m

1 stop

13:05 - 23:53

SYD

HOU

26h 48m

1 stop

$2,582American Airlines

Mon, 19 Oct - Wed, 28 Oct

18:49 - 06:55

HOU

SYD

21h 06m

1 stop

12:00 - 17:44

SYD

HOU

20h 44m

1 stop

$2,584American Airlines

Sun, 26 Jul - Wed, 5 Aug

18:19 - 08:05

HOU

SYD

21h 46m

2 stops

11:15 - 16:54

SYD

HOU

21h 39m

2 stops

$2,586American Airlines

Sun, 18 Oct - Sun, 1 Nov

10:05 - 07:50

HOU

SYD

29h 45m

2 stops

09:40 - 21:43

SYD

HOU

28h 03m

2 stops

$2,593Delta

Mon, 19 Oct - Wed, 28 Oct

10:05 - 07:50

HOU

SYD

29h 45m

2 stops

09:40 - 21:43

SYD

HOU

28h 03m

2 stops

$2,595Delta

Mon, 19 Oct - Wed, 28 Oct

American Airlines flights from Houston to Sydney

Our best American Airlines deals on Houston to Sydney flight tickets

American Airlines

26 July

HOU20:23Houston Hobby

19h 32m

1 stop

SYD06:55Sydney Kingsford Smith

10 Aug

SYD12:00Sydney Kingsford Smith

20h 44m

1 stop

HOU17:44Houston Hobby

$2,578

American Airlines

28 Sept

HOU09:33Houston Hobby

30h 22m

1 stop

SYD06:55Sydney Kingsford Smith

6 Oct

SYD13:00Sydney Kingsford Smith

18h 58m

1 stop

HOU15:58Houston Hobby

$2,582

American Airlines

26 July

HOU18:49Houston Hobby

21h 06m

1 stop

SYD06:55Sydney Kingsford Smith

5 Aug

SYD12:00Sydney Kingsford Smith

20h 44m

1 stop

HOU17:44Houston Hobby

$2,584

Qantas Airways flights from Houston to Sydney

Our best Qantas Airways deals on Houston to Sydney flight tickets

Qantas Airways

28 Sept

HOU16:18Houston Hobby

23h 37m

1 stop

SYD06:55Sydney Kingsford Smith

6 Oct

SYD13:00Sydney Kingsford Smith

18h 58m

1 stop

HOU15:58Houston Hobby

$2,831

Qantas Airways

25 Oct

HOU18:19Houston Hobby

20h 36m

1 stop

SYD06:55Sydney Kingsford Smith

15 Nov

SYD14:05Sydney Kingsford Smith

18h 49m

1 stop

HOU15:54Houston Hobby

$2,833

Qantas Airways

13 Oct

HOU18:19Houston Hobby

20h 36m

1 stop

SYD06:55Sydney Kingsford Smith

20 Oct

SYD13:00Sydney Kingsford Smith

18h 58m

1 stop

HOU15:58Houston Hobby

$2,859

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 6/7

06:10-11:50

2 stops38h 40m

Sydney Kingsford Smith

Tue 21/7

13:15-23:56

2 stops25h 41m

$1,700

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 6/7

06:10-11:50

2 stops38h 40m

Sydney Kingsford Smith

Tue 21/7

13:15-21:03

3 stops46h 48m

$1,704

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 26/8

06:30-19:10

2 stops45h 40m

Sydney Kingsford Smith

Sat 5/9

17:50-15:11

1 stop36h 21m

$1,909

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 13/10

21:59-07:30

1 stop41h 31m

Sydney Kingsford Smith

Tue 20/10

18:50-11:26

1 stop32h 36m

$1,913

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 28/9

21:55-07:30

1 stop42h 35m

Sydney Kingsford Smith

Tue 6/10

18:50-11:26

1 stop32h 36m

$1,923

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

16:15-06:55

1 stop22h 40m

Sydney Kingsford Smith

Wed 28/10

13:05-23:53

1 stop26h 48m

$2,582

Fastest return journey

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 26/7

18:49-06:55

1 stop21h 06m

Sydney Kingsford Smith

Wed 5/8

12:00-17:44

1 stop20h 44m

$2,584

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 18/10

18:19-08:05

2 stops21h 46m

Sydney Kingsford Smith

Sun 1/11

11:15-16:54

2 stops21h 39m

$2,586

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

10:05-07:50

2 stops29h 45m

Sydney Kingsford Smith

Wed 28/10

09:40-21:43

2 stops28h 03m

$2,593

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

10:05-07:50

2 stops29h 45m

Sydney Kingsford Smith

Wed 28/10

09:40-21:43

2 stops28h 03m

$2,595

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?

What is the cheapest month to fly to Sydney?

The month of December is, on average, the cheapest month to fly to Sydney from Houston, with most prices found around $99. If you aren’t able to travel to Sydney during the month of December, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $191.

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 $1,877 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 $1,351 on momondo.

What cabin class options are available on Houston to Sydney flights?

There is only 1 cabin class 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

Fastest flight time	17h 30m
Direct flights	Every day
Airports in Sydney	1 airport

The fastest flight from Houston to Sydney takes 17h 30m

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 30m 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.