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

Delta is the most popular carrier 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.

$714 Cheap Flights from Houston to Sydney in 2026/27

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.

07:20 - 08:05IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

32h 45m2 stops Las Vegas Harry Reid Intl Los Angeles

11:10 - 05:10SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

34h 00m2 stops Los Angeles Las Vegas Harry Reid Intl

$1,564Multiple Airlines

Tue, 20 Oct - Tue, 27 Oct

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

32h 58m3 stops Denver Intl Los Angeles Nadi

14:00 - 20:49SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

23h 49m2 stops Nadi Los Angeles

$1,643Multiple Airlines

Sun, 8 Nov - Mon, 23 Nov

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

32h 58m3 stops Denver Intl Los Angeles Nadi

14:00 - 00:22SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

27h 22m3 stops Nadi Los Angeles Denver Intl

$1,677Multiple Airlines

Sun, 8 Nov - Mon, 23 Nov

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

31h 25m2 stops Las Vegas Harry Reid Intl Los Angeles

11:15 - 05:10SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

34h 55m2 stops Los Angeles Las Vegas Harry Reid Intl

$1,748Multiple Airlines

Tue, 3 Nov - Tue, 10 Nov

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

28h 25m1 stop Los Angeles

06:25 - 14:15SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

24h 50m1 stop Auckland Intl

$1,779Multiple Airlines

Wed, 10 Feb - Tue, 23 Feb

21:50 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

39h 35m1 stop Los Angeles

17:50 - 14:15SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

37h 25m1 stop Auckland Intl

$1,787Multiple Airlines

Wed, 4 Nov - Wed, 18 Nov

21:50 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

39h 35m1 stop Los Angeles

18:40 - 14:15SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

36h 35m2 stops Wellington Auckland Intl

$1,789Multiple Airlines

Wed, 4 Nov - Wed, 11 Nov

21:50 - 06:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

39h 35m1 stop Los Angeles

06:25 - 11:32SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

46h 07m2 stops Auckland Intl Los Angeles

$1,790Multiple Airlines

Tue, 3 Nov - Tue, 10 Nov

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

28h 25m1 stop Los Angeles

18:40 - 14:15SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

36h 35m2 stops Wellington Auckland Intl

$1,797Multiple Airlines

Wed, 10 Feb - Wed, 24 Feb

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

31h 25m2 stops Las Vegas Harry Reid Intl Los Angeles

09:00 - 14:15SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

22h 15m1 stop Auckland Intl

$1,810Multiple Airlines

Tue, 17 Nov - Thu, 3 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

14:57 - 13:25IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

31h 28m3 stops Las Vegas Harry Reid Intl Los Angeles Nadi

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

35h 10m3 stops Nadi Los Angeles Orlando

$1,973Multiple Airlines

Fri, 25 Sep - Fri, 2 Oct

14:57 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

25h 33m2 stops Las Vegas Harry Reid Intl Los Angeles

17:50 - 11:24SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

32h 34m1 stop Los Angeles

$2,294Multiple Airlines

Fri, 25 Sep - Fri, 2 Oct

14:53 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

25h 07m1 stop Los Angeles

08:55 - 15:25SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

21h 30m1 stop Auckland Intl

$2,325Air New Zealand

Fri, 25 Sep - Fri, 2 Oct

11:00 - 20:10IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

42h 10m2 stops Chicago O'Hare Intl Hong Kong Intl

14:05 - 19:49SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

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

$2,455Multiple Airlines

Thu, 24 Sep - Mon, 28 Sep

14:57 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

25h 33m2 stops Las Vegas Harry Reid Intl Los Angeles

14:50 - 15:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

40h 05m1 stop Doha Hamad Intl

$2,489Multiple Airlines

Thu, 24 Sep - Mon, 28 Sep

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

33h 28m2 stops Seattle/Tacoma Intl Los Angeles

17:50 - 13:31SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

34h 41m2 stops Los Angeles Portland

$2,542Alaska Airlines

Thu, 24 Sep - Sat, 26 Sep

14:57 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

25h 33m2 stops Las Vegas Harry Reid Intl Los Angeles

10:15 - 11:24SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

40h 09m3 stops Ho Chi Minh City Hong Kong Intl Los Angeles

$2,631Multiple Airlines

Fri, 25 Sep - Fri, 2 Oct

14:34 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

25h 56m2 stops Seattle/Tacoma Intl Los Angeles

17:50 - 17:14SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

38h 24m2 stops Los Angeles Seattle/Tacoma Intl

$2,694Alaska Airlines

Fri, 25 Sep - Fri, 2 Oct

20:25 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

44h 05m3 stops Orlando Denver Intl Los Angeles

09:20 - 11:07SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

40h 47m2 stops Vancouver Intl Toronto Pearson Intl

$2,781Multiple Airlines

Thu, 24 Sep - Mon, 28 Sep

12:05 - 07:30IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

28h 25m2 stops Guadalajara Miguel Hidal Los Angeles

14:50 - 15:55SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

40h 05m1 stop Doha Hamad Intl

$2,805Multiple Airlines

Wed, 23 Sep - Fri, 25 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

09:20 - 08:00SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,298United Airlines

Sun, 8 Nov - Mon, 23 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

$2,301United Airlines

Tue, 9 Feb - Mon, 22 Feb

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

$2,305United Airlines

Sun, 8 Nov - Mon, 23 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

$2,307United Airlines

Tue, 17 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

$2,308United Airlines

Wed, 17 Feb - Tue, 2 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

$2,309United Airlines

Sun, 8 Nov - Mon, 23 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

$2,322Lufthansa

Sun, 8 Nov - Mon, 23 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

$2,361United Airlines

Sun, 24 Jan - Mon, 1 Feb

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

$2,371United Airlines

Tue, 9 Feb - Sat, 27 Feb

20:25 - 07:00IAH Houston George Bush Intcntl-SYD Sydney Kingsford Smith

17h 35mdirect

09:10 - 07:50SYD Sydney Kingsford Smith-IAH Houston George Bush Intcntl

15h 40mdirect

$2,377United Airlines

Mon, 16 Nov - Sat, 28 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

8 Nov

HOU17:02Houston Hobby

22h 58m

2 stops

SYD09:00Sydney Kingsford Smith

23 Nov

SYD11:10Sydney Kingsford Smith

22h 30m

2 stops

HOU16:40Houston Hobby

$2,302

American Airlines

16 Nov

HOU17:02Houston Hobby

22h 58m

2 stops

SYD09:00Sydney Kingsford Smith

29 Nov

SYD14:05Sydney Kingsford Smith

26h 24m

1 stop

HOU23:29Houston Hobby

$2,399

American Airlines

12 Feb

HOU14:08Houston Hobby

23h 27m

2 stops

SYD06:35Sydney Kingsford Smith

25 Feb

SYD14:05Sydney Kingsford Smith

26h 10m

1 stop

HOU23:15Houston Hobby

$2,464

Delta flights from Houston to Sydney

Our best Delta deals on Houston to Sydney flight tickets

Delta

8 Nov

HOU15:09Houston Hobby

24h 21m

2 stops

SYD08:30Sydney Kingsford Smith

23 Nov

SYD10:40Sydney Kingsford Smith

29h 41m

2 stops

HOU23:21Houston Hobby

$2,335

Delta

24 Jan

HOU06:00Houston Hobby

31h 50m

2 stops

SYD06:50Sydney Kingsford Smith

6 Feb

SYD10:40Sydney Kingsford Smith

28h 03m

2 stops

HOU21:43Houston Hobby

$2,405

Delta

19 Feb

HOU10:38Houston Hobby

28h 52m

2 stops

SYD08:30Sydney Kingsford Smith

28 Feb

SYD10:40Sydney Kingsford Smith

28h 03m

2 stops

HOU21:43Houston Hobby

$2,475

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

Tue 20/10

07:20-08:05

2 stops32h 45m

Sydney Kingsford Smith

Tue 27/10

11:10-05:10

2 stops34h 00m

$1,564

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 8/11

10:37-12:35

3 stops32h 58m

Sydney Kingsford Smith

Mon 23/11

14:00-20:49

2 stops23h 49m

$1,643

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Sun 8/11

10:37-12:35

3 stops32h 58m

Sydney Kingsford Smith

Mon 23/11

14:00-00:22

3 stops27h 22m

$1,677

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 3/11

06:00-06:25

2 stops31h 25m

Sydney Kingsford Smith

Tue 10/11

11:15-05:10

2 stops34h 55m

$1,748

Fastest return journey

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 10/2

09:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Tue 23/2

06:25-14:15

1 stop24h 50m

$1,779

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 4/11

21:50-06:25

1 stop39h 35m

Sydney Kingsford Smith

Wed 18/11

17:50-14:15

1 stop37h 25m

$1,787

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 4/11

21:50-06:25

1 stop39h 35m

Sydney Kingsford Smith

Wed 11/11

18:40-14:15

2 stops36h 35m

$1,789

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 3/11

21:50-06:25

1 stop39h 35m

Sydney Kingsford Smith

Tue 10/11

06:25-11:32

2 stops46h 07m

$1,790

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 10/2

09:00-06:25

1 stop28h 25m

Sydney Kingsford Smith

Wed 24/2

18:40-14:15

2 stops36h 35m

$1,797

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Tue 17/11

06:00-06:25

2 stops31h 25m

Sydney Kingsford Smith

Thu 3/12

09:00-14:15

1 stop22h 15m

$1,810

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?

Prices are currently low for flights on this route.

Typical prices usually range from $1,891 to $2,271.
The lowest price recently found on this route was $1,564.

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 $1,706. 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 $1,794.

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 $2,162 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 $1,418 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	$714
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 $714. The best return flight deal from Houston to Sydney found on momondo in the last 72 hours is $1,564.

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.