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

American 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 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.

$869 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 $2,556 to $1,748. The lowest price recently found on this route was $1,639.

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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.

16:21 - 11:50

IAH

SYD

28h 29m

2 stops

13:15 - 23:56

SYD

IAH

25h 41m

2 stops

$1,639Multiple Airlines

Mon, 22 Jun - Sun, 5 Jul

16:21 - 11:50

IAH

SYD

28h 29m

2 stops

13:15 - 23:56

SYD

IAH

25h 41m

2 stops

$1,739Multiple Airlines

Mon, 22 Jun - Sun, 5 Jul

06:30 - 11:50

IAH

SYD

38h 20m

3 stops

13:15 - 23:56

SYD

IAH

25h 41m

2 stops

$1,764Multiple Airlines

Mon, 22 Jun - Sun, 5 Jul

06:30 - 11:50

IAH

SYD

38h 20m

3 stops

13:15 - 23:56

SYD

IAH

25h 41m

2 stops

$1,782Multiple Airlines

Mon, 22 Jun - Sun, 5 Jul

15:58 - 11:50

HOU

SYD

28h 52m

2 stops

13:15 - 19:51

SYD

HOU

21h 36m

2 stops

$2,068Fiji Airways

Thu, 13 Aug - Tue, 25 Aug

18:49 - 11:50

HOU

SYD

26h 01m

2 stops

13:15 - 23:55

SYD

HOU

25h 40m

2 stops

$2,089Fiji Airways

Thu, 30 Jul - Thu, 20 Aug

09:33 - 06:55

HOU

SYD

29h 22m

1 stop

13:05 - 17:52

SYD

HOU

20h 47m

1 stop

$2,588American Airlines

Mon, 19 Oct - Wed, 28 Oct

18:19 - 08:05

HOU

SYD

21h 46m

2 stops

13:05 - 19:51

SYD

HOU

22h 46m

1 stop

$2,594American Airlines

Mon, 19 Oct - Wed, 28 Oct

06:00 - 07:50

HOU

SYD

33h 50m

2 stops

09:40 - 21:43

SYD

HOU

28h 03m

2 stops

$2,600Delta

Mon, 19 Oct - Wed, 28 Oct

06:00 - 08:30

HOU

SYD

33h 30m

2 stops

10:40 - 09:26

SYD

HOU

39h 46m

2 stops

$2,614Delta

Tue, 17 Nov - Sun, 29 Nov

Fiji Airways flights from Houston to Sydney

Our best Fiji Airways deals on Houston to Sydney flight tickets

Fiji Airways

13 Aug

HOU15:58Houston Hobby

28h 52m

2 stops

SYD11:50Sydney Kingsford Smith

25 Aug

SYD13:15Sydney Kingsford Smith

21h 36m

2 stops

HOU19:51Houston Hobby

$2,068

Fiji Airways

30 July

HOU18:49Houston Hobby

26h 01m

2 stops

SYD11:50Sydney Kingsford Smith

20 Aug

SYD13:15Sydney Kingsford Smith

25h 40m

2 stops

HOU23:55Houston Hobby

$2,089

Delta flights from Houston to Sydney

Our best Delta deals on Houston to Sydney flight tickets

Delta

19 Oct

HOU06:00Houston Hobby

33h 50m

2 stops

SYD07:50Sydney Kingsford Smith

28 Oct

SYD09:40Sydney Kingsford Smith

28h 03m

2 stops

HOU21:43Houston Hobby

$2,600

Delta

17 Nov

HOU06:00Houston Hobby

33h 30m

2 stops

SYD08:30Sydney Kingsford Smith

29 Nov

SYD10:40Sydney Kingsford Smith

39h 46m

2 stops

HOU09:26Houston Hobby

$2,614

Delta

22 Nov

HOU13:00Houston Hobby

26h 30m

2 stops

SYD08:30Sydney Kingsford Smith

13 Dec

SYD10:40Sydney Kingsford Smith

28h 03m

2 stops

HOU21:43Houston Hobby

$2,646

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 22/6

16:21-11:50

2 stops28h 29m

Sydney Kingsford Smith

Sun 5/7

13:15-23:56

2 stops25h 41m

$1,639

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 22/6

16:21-11:50

2 stops28h 29m

Sydney Kingsford Smith

Sun 5/7

13:15-23:56

2 stops25h 41m

$1,739

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 22/6

06:30-11:50

3 stops38h 20m

Sydney Kingsford Smith

Sun 5/7

13:15-23:56

2 stops25h 41m

$1,764

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 22/6

06:30-11:50

3 stops38h 20m

Sydney Kingsford Smith

Sun 5/7

13:15-23:56

2 stops25h 41m

$1,782

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Thu 13/8

15:58-11:50

2 stops28h 52m

Sydney Kingsford Smith

Tue 25/8

13:15-19:51

2 stops21h 36m

$2,068

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Thu 30/7

18:49-11:50

2 stops26h 01m

Sydney Kingsford Smith

Thu 20/8

13:15-23:55

2 stops25h 40m

$2,089

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

09:33-06:55

1 stop29h 22m

Sydney Kingsford Smith

Wed 28/10

13:05-17:52

1 stop20h 47m

$2,588

Fastest return journey

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

18:19-08:05

2 stops21h 46m

Sydney Kingsford Smith

Wed 28/10

13:05-19:51

1 stop22h 46m

$2,594

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

06:00-07:50

2 stops33h 50m

Sydney Kingsford Smith

Wed 28/10

09:40-21:43

2 stops28h 03m

$2,600

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 17/11

06:00-08:30

2 stops33h 30m

Sydney Kingsford Smith

Sun 29/11

10:40-09:26

2 stops39h 46m

$2,614

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 $1,882 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 $1,354 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 35m
Direct flights	Mon, Tue, Thu, Fri and Sat
Airports in Sydney	1 airport

The fastest flight from Houston to Sydney takes 17h 35m

Direct flights go from Houston to Sydney on Monday, Tuesday, Thursday, Friday and Saturday. There are no airlines offering direct flights..

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?

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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.