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

Qantas Airways 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.

$783 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.

21:59 - 07:30

IAH

SYD

41h 31m

1 stop

14:15 - 11:26

SYD

IAH

37h 11m

2 stops

$1,601Multiple Airlines

Tue, 13 Oct - Wed, 21 Oct

21:59 - 07:30

IAH

SYD

41h 31m

1 stop

14:15 - 11:26

SYD

IAH

37h 11m

2 stops

$1,649Multiple Airlines

Tue, 13 Oct - Fri, 23 Oct

15:52 - 07:30

IAH

SYD

24h 38m

1 stop

13:15 - 11:24

SYD

IAH

37h 09m

2 stops

$1,665Multiple Airlines

Mon, 7 Sep - Wed, 16 Sep

19:48 - 06:25

IAH

SYD

41h 37m

1 stop

14:00 - 17:02

SYD

IAH

44h 02m

2 stops

$1,674Multiple Airlines

Wed, 11 Nov - Wed, 25 Nov

21:15 - 06:25

IAH

SYD

40h 10m

1 stop

14:00 - 05:11

SYD

IAH

32h 11m

2 stops

$1,675Multiple Airlines

Mon, 9 Nov - Mon, 23 Nov

15:52 - 07:30

IAH

SYD

24h 38m

1 stop

13:15 - 11:24

SYD

IAH

37h 09m

2 stops

$1,676Multiple Airlines

Mon, 7 Sep - Wed, 16 Sep

21:15 - 06:25

IAH

SYD

40h 10m

1 stop

14:00 - 05:11

SYD

IAH

32h 11m

2 stops

$1,678Multiple Airlines

Mon, 16 Nov - Mon, 23 Nov

21:59 - 07:30

IAH

SYD

41h 31m

1 stop

14:00 - 11:26

SYD

IAH

37h 26m

2 stops

$1,681Multiple Airlines

Mon, 19 Oct - Wed, 28 Oct

16:02 - 07:30

IAH

SYD

24h 28m

1 stop

13:15 - 23:56

SYD

IAH

25h 41m

2 stops

$1,698Multiple Airlines

Fri, 14 Aug - Fri, 21 Aug

21:15 - 06:25

IAH

SYD

40h 10m

1 stop

14:00 - 05:11

SYD

IAH

32h 11m

2 stops

$1,706Multiple Airlines

Thu, 12 Nov - Fri, 20 Nov

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Qantas Airways flights from Houston to Sydney

Our best Qantas Airways deals on Houston to Sydney flight tickets

Qantas Airways

15 Nov

HOU17:02Houston Hobby

20h 53m

1 stop

SYD06:55Sydney Kingsford Smith

25 Nov

SYD14:05Sydney Kingsford Smith

19h 32m

1 stop

HOU16:37Houston Hobby

$2,621

Qantas Airways

28 Dec

HOU16:17Houston Hobby

21h 38m

1 stop

SYD06:55Sydney Kingsford Smith

19 Jan

SYD14:05Sydney Kingsford Smith

19h 06m

1 stop

HOU16:11Houston Hobby

$2,644

Qantas Airways

3 Nov

HOU14:07Houston Hobby

23h 48m

1 stop

SYD06:55Sydney Kingsford Smith

24 Nov

SYD14:05Sydney Kingsford Smith

19h 32m

1 stop

HOU16:37Houston Hobby

$2,645

Air Canada flights from Houston to Sydney

Our best Air Canada deals on Houston to Sydney flight tickets

Air Canada

3 Aug

IAH16:50Houston George Bush Intcntl

23h 30m

1 stop

SYD07:20Sydney Kingsford Smith

10 Aug

SYD09:20Sydney Kingsford Smith

38h 08m

2 stops

IAH08:28Houston George Bush Intcntl

$2,257

Air Canada

4 Aug

IAH10:00Houston George Bush Intcntl

30h 20m

2 stops

SYD07:20Sydney Kingsford Smith

11 Aug

SYD09:20Sydney Kingsford Smith

21h 31m

1 stop

IAH15:51Houston George Bush Intcntl

$2,267

Air Canada

4 Aug

IAH09:39Houston George Bush Intcntl

30h 41m

2 stops

SYD07:20Sydney Kingsford Smith

11 Aug

SYD09:20Sydney Kingsford Smith

48h 46m

2 stops

IAH19:06Houston George Bush Intcntl

$2,277

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 13/10

21:59-07:30

1 stop41h 31m

Sydney Kingsford Smith

Wed 21/10

14:15-11:26

2 stops37h 11m

$1,601

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 13/10

21:59-07:30

1 stop41h 31m

Sydney Kingsford Smith

Fri 23/10

14:15-11:26

2 stops37h 11m

$1,649

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 7/9

15:52-07:30

1 stop24h 38m

Sydney Kingsford Smith

Wed 16/9

13:15-11:24

2 stops37h 09m

$1,665

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 11/11

19:48-06:25

1 stop41h 37m

Sydney Kingsford Smith

Wed 25/11

14:00-17:02

2 stops44h 02m

$1,674

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 9/11

21:15-06:25

1 stop40h 10m

Sydney Kingsford Smith

Mon 23/11

14:00-05:11

2 stops32h 11m

$1,675

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 7/9

15:52-07:30

1 stop24h 38m

Sydney Kingsford Smith

Wed 16/9

13:15-11:24

2 stops37h 09m

$1,676

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 16/11

21:15-06:25

1 stop40h 10m

Sydney Kingsford Smith

Mon 23/11

14:00-05:11

2 stops32h 11m

$1,678

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 19/10

21:59-07:30

1 stop41h 31m

Sydney Kingsford Smith

Wed 28/10

14:00-11:26

2 stops37h 26m

$1,681

Fastest return journey

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Fri 14/8

16:02-07:30

1 stop24h 28m

Sydney Kingsford Smith

Fri 21/8

13:15-23:56

2 stops25h 41m

$1,698

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 12/11

21:15-06:25

1 stop40h 10m

Sydney Kingsford Smith

Fri 20/11

14:00-05:11

2 stops32h 11m

$1,706

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 $1,669 to $2,544.
The lowest price recently found on this route was $1,601.

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 $1,551. 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 $1,618.

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 $2,089 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 $1,445 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

Fastest flight time	17h 35m
Direct flights	Every day
Airports in Sydney	1 airport

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.

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Manly

Lithgow

Coogee

Leura

Cronulla

Randwick

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.