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

Delta and American Airlines 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.

$718 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 $2,473 to $1,686. The lowest price recently found on this route was $1,397.

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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.

06:00 - 11:50

IAH

SYD

38h 50m

2 stops

13:15 - 01:25

SYD

IAH

27h 10m

2 stops

$1,397Multiple Airlines

Wed, 20 May - Sun, 7 Jun

06:30 - 11:50

IAH

SYD

38h 20m

3 stops

06:00 - 12:33

SYD

IAH

45h 33m

3 stops

$1,492Multiple Airlines

Sun, 24 May - Tue, 2 Jun

16:21 - 11:50

IAH

SYD

28h 29m

2 stops

06:00 - 20:05

SYD

IAH

53h 05m

3 stops

$1,507Multiple Airlines

Wed, 20 May - Sun, 7 Jun

16:27 - 11:50

IAH

SYD

28h 23m

2 stops

06:00 - 00:40

SYD

IAH

57h 40m

3 stops

$1,756Multiple Airlines

Thu, 6 Aug - Sun, 9 Aug

16:40 - 07:30

IAH

SYD

23h 50m

1 stop

13:15 - 05:21

SYD

IAH

31h 06m

2 stops

$1,757Multiple Airlines

Thu, 25 Jun - Tue, 11 Aug

15:58 - 11:50

HOU

SYD

28h 52m

2 stops

13:15 - 23:53

SYD

HOU

25h 38m

2 stops

$2,097Fiji Airways

Tue, 1 Sep - Tue, 15 Sep

18:49 - 11:50

HOU

SYD

26h 01m

2 stops

13:15 - 19:57

SYD

HOU

21h 42m

2 stops

$2,098Fiji Airways

Tue, 28 Jul - Sat, 1 Aug

20:23 - 06:55

HOU

SYD

19h 32m

1 stop

12:00 - 18:19

SYD

HOU

21h 19m

1 stop

$2,577American Airlines

Mon, 22 Jun - Wed, 8 Jul

20:23 - 06:55

HOU

SYD

19h 32m

1 stop

12:00 - 15:45

SYD

HOU

18h 45m

1 stop

$2,583American Airlines

Mon, 22 Jun - Sun, 5 Jul

20:14 - 06:55

HOU

SYD

19h 41m

1 stop

12:00 - 17:52

SYD

HOU

20h 52m

1 stop

$2,593American Airlines

Sun, 6 Sep - Wed, 16 Sep

American Airlines flights from Houston to Sydney

Our best American Airlines deals on Houston to Sydney flight tickets

American Airlines

22 June

HOU20:23Houston Hobby

19h 32m

1 stop

SYD06:55Sydney Kingsford Smith

8 July

SYD12:00Sydney Kingsford Smith

21h 19m

1 stop

HOU18:19Houston Hobby

$2,577

American Airlines

22 June

HOU20:23Houston Hobby

19h 32m

1 stop

SYD06:55Sydney Kingsford Smith

5 July

SYD12:00Sydney Kingsford Smith

18h 45m

1 stop

HOU15:45Houston Hobby

$2,583

American Airlines

6 Sept

HOU20:14Houston Hobby

19h 41m

1 stop

SYD06:55Sydney Kingsford Smith

16 Sept

SYD12:00Sydney Kingsford Smith

20h 52m

1 stop

HOU17:52Houston Hobby

$2,593

Delta flights from Houston to Sydney

Our best Delta deals on Houston to Sydney flight tickets

Delta

22 June

HOU10:09Houston Hobby

29h 41m

2 stops

SYD06:50Sydney Kingsford Smith

8 July

SYD09:15Sydney Kingsford Smith

27h 36m

2 stops

HOU21:51Houston Hobby

$2,604

Delta

22 June

HOU10:09Houston Hobby

29h 41m

2 stops

SYD06:50Sydney Kingsford Smith

8 July

SYD09:15Sydney Kingsford Smith

27h 36m

2 stops

HOU21:51Houston Hobby

$2,605

Delta

8 Aug

HOU10:05Houston Hobby

29h 45m

2 stops

SYD06:50Sydney Kingsford Smith

17 Aug

SYD09:15Sydney Kingsford Smith

27h 20m

2 stops

HOU21:35Houston Hobby

$2,674

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 20/5

06:00-11:50

2 stops38h 50m

Sydney Kingsford Smith

Sun 7/6

13:15-01:25

2 stops27h 10m

$1,397

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 24/5

06:30-11:50

3 stops38h 20m

Sydney Kingsford Smith

Tue 2/6

06:00-12:33

3 stops45h 33m

$1,492

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 20/5

16:21-11:50

2 stops28h 29m

Sydney Kingsford Smith

Sun 7/6

06:00-20:05

3 stops53h 05m

$1,507

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 6/8

16:27-11:50

2 stops28h 23m

Sydney Kingsford Smith

Sun 9/8

06:00-00:40

3 stops57h 40m

$1,756

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 25/6

16:40-07:30

1 stop23h 50m

Sydney Kingsford Smith

Tue 11/8

13:15-05:21

2 stops31h 06m

$1,757

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 1/9

15:58-11:50

2 stops28h 52m

Sydney Kingsford Smith

Tue 15/9

13:15-23:53

2 stops25h 38m

$2,097

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 28/7

18:49-11:50

2 stops26h 01m

Sydney Kingsford Smith

Sat 1/8

13:15-19:57

2 stops21h 42m

$2,098

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 22/6

20:23-06:55

1 stop19h 32m

Sydney Kingsford Smith

Wed 8/7

12:00-18:19

1 stop21h 19m

$2,577

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

$2,583

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 6/9

20:14-06:55

1 stop19h 41m

Sydney Kingsford Smith

Wed 16/9

12:00-17:52

1 stop20h 52m

$2,593

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 $1,894 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 $1,356 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	Mon, 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 Monday, 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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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.