How many flights depart from Houston to Sydney on average per week?

As of March 2026, there are 21 flights per week flying from Houston to Sydney. The most common day of the week flights depart is Mon, with 14% of flights taking off on this day.

How many flights depart from Houston to Sydney on average per day?

As of March 2026, 3 flights take off from Houston and land in Sydney each day. The most common flight departure time for this route is 20:00, with 100% of daily flights taking off in the evening.

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.

$610 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 $1,369 to $2,117. The lowest price recently found on this route was $1,273.

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Find the cheapest flights from Houston to Sydney

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19:41 - 07:05

IAH

SYD

20h 24m

1 stop

09:10 - 19:11

SYD

IAH

25h 01m

1 stop

$1,273American Airlines

Mon, 4 May - Wed, 13 May

19:41 - 07:05

IAH

SYD

20h 24m

1 stop

09:10 - 19:11

SYD

IAH

25h 01m

1 stop

$1,274American Airlines

Tue, 28 Apr - Tue, 12 May

16:18 - 07:05

HOU

SYD

23h 47m

2 stops

09:10 - 15:49

SYD

HOU

21h 39m

2 stops

$1,278American Airlines

Mon, 4 May - Wed, 13 May

18:09 - 07:05

IAH

SYD

21h 56m

2 stops

09:10 - 17:23

SYD

IAH

23h 13m

2 stops

$1,278American Airlines

Mon, 4 May - Wed, 13 May

16:18 - 07:05

HOU

SYD

23h 47m

2 stops

09:10 - 15:48

SYD

HOU

21h 38m

2 stops

$1,280American Airlines

Tue, 21 Apr - Tue, 28 Apr

16:42 - 07:05

IAH

SYD

23h 23m

2 stops

09:10 - 20:20

SYD

IAH

26h 10m

2 stops

$1,280American Airlines

Tue, 28 Apr - Tue, 12 May

20:09 - 07:05

IAH

SYD

19h 56m

1 stop

09:10 - 20:00

SYD

IAH

25h 50m

1 stop

$1,307Qantas Airways

Tue, 4 Aug - Tue, 18 Aug

19:41 - 07:05

IAH

SYD

20h 24m

1 stop

09:10 - 19:11

SYD

IAH

25h 01m

1 stop

$1,345American Airlines

Mon, 4 May - Wed, 13 May

16:18 - 07:05

HOU

SYD

23h 47m

2 stops

09:10 - 15:49

SYD

HOU

21h 39m

2 stops

$1,351American Airlines

Tue, 28 Apr - Tue, 12 May

20:09 - 07:05

IAH

SYD

19h 56m

1 stop

09:10 - 20:00

SYD

IAH

25h 50m

1 stop

$1,378Qantas Airways

Tue, 4 Aug - Sat, 15 Aug

Qantas Airways flights from Houston to Sydney

Our best Qantas Airways deals on Houston to Sydney flight tickets

Qantas Airways

4 Aug

IAH20:09Houston George Bush Intcntl

19h 56m

1 stop

SYD07:05Sydney Kingsford Smith

18 Aug

SYD09:10Sydney Kingsford Smith

25h 50m

1 stop

IAH20:00Houston George Bush Intcntl

$1,307

Qantas Airways

4 Aug

IAH20:09Houston George Bush Intcntl

19h 56m

1 stop

SYD07:05Sydney Kingsford Smith

15 Aug

SYD09:10Sydney Kingsford Smith

25h 50m

1 stop

IAH20:00Houston George Bush Intcntl

$1,378

Qantas Airways

6 Aug

IAH20:31Houston George Bush Intcntl

19h 34m

1 stop

SYD07:05Sydney Kingsford Smith

20 Aug

SYD09:10Sydney Kingsford Smith

25h 50m

1 stop

IAH20:00Houston George Bush Intcntl

$1,449

Delta flights from Houston to Sydney

Our best Delta deals on Houston to Sydney flight tickets

Delta

5 Aug

HOU13:00Houston Hobby

26h 50m

2 stops

SYD06:50Sydney Kingsford Smith

19 Aug

SYD09:15Sydney Kingsford Smith

27h 20m

2 stops

HOU21:35Houston Hobby

$1,991

Delta

27 Apr

HOU13:31Houston Hobby

26h 19m

2 stops

SYD06:50Sydney Kingsford Smith

4 May

SYD09:15Sydney Kingsford Smith

42h 25m

2 stops

HOU12:40Houston Hobby

$1,992

Delta

6 Aug

HOU10:05Houston Hobby

29h 45m

2 stops

SYD06:50Sydney Kingsford Smith

16 Aug

SYD09:15Sydney Kingsford Smith

27h 20m

2 stops

HOU21:35Houston Hobby

$2,062

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 4/5

19:41-07:05

1 stop20h 24m

Sydney Kingsford Smith

Wed 13/5

09:10-19:11

1 stop25h 01m

$1,273

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 28/4

19:41-07:05

1 stop20h 24m

Sydney Kingsford Smith

Tue 12/5

09:10-19:11

1 stop25h 01m

$1,274

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 4/5

16:18-07:05

2 stops23h 47m

Sydney Kingsford Smith

Wed 13/5

09:10-15:49

2 stops21h 39m

$1,278

Fastest return journey

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 4/5

18:09-07:05

2 stops21h 56m

Sydney Kingsford Smith

Wed 13/5

09:10-17:23

2 stops23h 13m

$1,278

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 21/4

16:18-07:05

2 stops23h 47m

Sydney Kingsford Smith

Tue 28/4

09:10-15:48

2 stops21h 38m

$1,280

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 28/4

16:42-07:05

2 stops23h 23m

Sydney Kingsford Smith

Tue 12/5

09:10-20:20

2 stops26h 10m

$1,280

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 4/8

20:09-07:05

1 stop19h 56m

Sydney Kingsford Smith

Tue 18/8

09:10-20:00

1 stop25h 50m

$1,307

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 4/5

19:41-07:05

1 stop20h 24m

Sydney Kingsford Smith

Wed 13/5

09:10-19:11

1 stop25h 01m

$1,345

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 28/4

16:18-07:05

2 stops23h 47m

Sydney Kingsford Smith

Tue 12/5

09:10-15:49

2 stops21h 39m

$1,351

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 4/8

20:09-07:05

1 stop19h 56m

Sydney Kingsford Smith

Sat 15/8

09:10-20:00

1 stop25h 50m

$1,378

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

Other information

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 October is, on average, the cheapest month to fly to Sydney from Houston, with most prices found around $1,480. If you aren’t able to travel to Sydney during the month of October, then flying in July is also cheap. Prices for this month can be found on momondo for an average of $1,514.

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 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 $1,405 on momondo.

What cabin class options are available on Houston to Sydney Kingsford Smith flights?

There is only 1 cabin class available to choose from on Houston to Sydney Kingsford Smith 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 30m
Direct flights	Wed and Fri
Airports in Sydney	1 airport

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

Direct flights go from Houston to Sydney on Wednesday and Friday. 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

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.

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Manly

Leura

Coogee

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Cronulla

Randwick

Charlestown

Newport

Swansea

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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.