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.

$742 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 $2,468 to $1,692. The lowest price recently found on this route was $1,561.

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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.

06:30 - 11:50

IAH

SYD

38h 20m

3 stops

13:15 - 00:44

SYD

IAH

26h 29m

3 stops

$1,561Multiple Airlines

Fri, 22 May - Sat, 30 May

16:07 - 11:50

IAH

SYD

28h 43m

2 stops

13:15 - 00:44

SYD

IAH

50h 29m

3 stops

$1,640Multiple Airlines

Fri, 22 May - Sat, 30 May

06:30 - 07:30

IAH

SYD

34h 00m

1 stop

13:15 - 15:11

SYD

IAH

40h 56m

2 stops

$1,688Multiple Airlines

Tue, 18 Aug - Mon, 31 Aug

06:30 - 07:30

IAH

SYD

34h 00m

1 stop

13:15 - 15:11

SYD

IAH

40h 56m

2 stops

$1,712Multiple Airlines

Tue, 18 Aug - Fri, 28 Aug

16:07 - 11:50

IAH

SYD

28h 43m

2 stops

13:15 - 00:44

SYD

IAH

50h 29m

3 stops

$1,730Multiple Airlines

Fri, 22 May - Sat, 30 May

18:49 - 11:50

HOU

SYD

26h 01m

2 stops

13:15 - 19:51

SYD

HOU

21h 36m

2 stops

$2,068Fiji Airways

Sat, 1 Aug - Sat, 15 Aug

18:48 - 11:50

HOU

SYD

26h 02m

2 stops

13:15 - 19:51

SYD

HOU

21h 36m

2 stops

$2,231Fiji Airways

Sat, 20 Jun - Tue, 23 Jun

20:23 - 06:55

HOU

SYD

19h 32m

1 stop

12:00 - 15:45

SYD

HOU

18h 45m

1 stop

$2,578American Airlines

Mon, 22 Jun - Sun, 5 Jul

09:37 - 06:55

HOU

SYD

30h 18m

1 stop

12:00 - 17:44

SYD

HOU

20h 44m

1 stop

$2,589American Airlines

Wed, 12 Aug - Wed, 26 Aug

10:05 - 06:50

HOU

SYD

29h 45m

2 stops

09:15 - 21:35

SYD

HOU

27h 20m

2 stops

$2,599Delta

Sun, 23 Aug - Wed, 2 Sep

Qantas Airways flights from Houston to Sydney

Our best Qantas Airways deals on Houston to Sydney flight tickets

Qantas Airways

5 Oct

HOU18:19Houston Hobby

20h 36m

1 stop

SYD06:55Sydney Kingsford Smith

19 Oct

SYD13:00Sydney Kingsford Smith

18h 58m

1 stop

HOU15:58Houston Hobby

$2,845

Qantas Airways

11 Aug

HOU18:14Houston Hobby

21h 41m

1 stop

SYD06:55Sydney Kingsford Smith

25 Aug

SYD12:00Sydney Kingsford Smith

18h 28m

1 stop

HOU15:28Houston Hobby

$2,864

Qantas Airways

11 Aug

HOU18:14Houston Hobby

21h 41m

1 stop

SYD06:55Sydney Kingsford Smith

25 Aug

SYD12:00Sydney Kingsford Smith

18h 28m

1 stop

HOU15:28Houston Hobby

$2,896

Delta flights from Houston to Sydney

Our best Delta deals on Houston to Sydney flight tickets

Delta

23 Aug

HOU10:05Houston Hobby

29h 45m

2 stops

SYD06:50Sydney Kingsford Smith

2 Sept

SYD09:15Sydney Kingsford Smith

27h 20m

2 stops

HOU21:35Houston Hobby

$2,599

Delta

12 Sept

HOU10:05Houston Hobby

29h 45m

2 stops

SYD06:50Sydney Kingsford Smith

26 Sept

SYD09:15Sydney Kingsford Smith

27h 20m

2 stops

HOU21:35Houston Hobby

$2,739

Delta

1 July

HOU06:00Houston Hobby

33h 50m

2 stops

SYD06:50Sydney Kingsford Smith

8 July

SYD09:15Sydney Kingsford Smith

27h 36m

2 stops

HOU21:51Houston Hobby

$2,831

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Fri 22/5

06:30-11:50

3 stops38h 20m

Sydney Kingsford Smith

Sat 30/5

13:15-00:44

3 stops26h 29m

$1,561

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Fri 22/5

16:07-11:50

2 stops28h 43m

Sydney Kingsford Smith

Sat 30/5

13:15-00:44

3 stops50h 29m

$1,640

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 18/8

06:30-07:30

1 stop34h 00m

Sydney Kingsford Smith

Mon 31/8

13:15-15:11

2 stops40h 56m

$1,688

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 18/8

06:30-07:30

1 stop34h 00m

Sydney Kingsford Smith

Fri 28/8

13:15-15:11

2 stops40h 56m

$1,712

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Fri 22/5

16:07-11:50

2 stops28h 43m

Sydney Kingsford Smith

Sat 30/5

13:15-00:44

3 stops50h 29m

$1,730

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sat 1/8

18:49-11:50

2 stops26h 01m

Sydney Kingsford Smith

Sat 15/8

13:15-19:51

2 stops21h 36m

$2,068

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sat 20/6

18:48-11:50

2 stops26h 02m

Sydney Kingsford Smith

Tue 23/6

13:15-19:51

2 stops21h 36m

$2,231

Fastest return journey

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 22/6

20:23-06:55

1 stop19h 32m

Sydney Kingsford Smith

Sun 5/7

12:00-15:45

1 stop18h 45m

$2,578

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 12/8

09:37-06:55

1 stop30h 18m

Sydney Kingsford Smith

Wed 26/8

12:00-17:44

1 stop20h 44m

$2,589

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 23/8

10:05-06:50

2 stops29h 45m

Sydney Kingsford Smith

Wed 2/9

09:15-21:35

2 stops27h 20m

$2,599

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 May is also cheap. Prices for this month can be found on momondo for an average of $183.

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 $1,893 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.

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	Wed, Thu and Sun
Airports in Sydney	1 airport

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

Direct flights go from Houston to Sydney on Wednesday, Thursday and Sunday. 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 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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Manly

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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.