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

As of December 2025, 21 flights take off from Houston and land in Sydney each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

The number of flights available between Houston and Sydney is 3 per day as of December 2025. The most frequent departure time is 8:00PM, with 100% of daily flights leaving in the evening.

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

Delta, American Airlines, and Qantas Airways are the most popular carriers operating from Houston to Sydney Kingsford Smith

What airlines fly to Sydney?

Air New Zealand, American Airlines and United Airlines are the top three most popular airlines that fly to Sydney from Houston according to our data. Air New Zealand is the first choice among our users, with 30% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 7 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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 many operators does momondo search for flights from Houston to Sydney Kingsford Smith Airport?

There are 7 operators available for flights from Houston to Sydney Kingsford Smith Airport as of December 2025.

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 layovers 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$600 Cheap Flights from Houston to Sydney in 2025/26

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4:13 pm - 12:35 pm

IAH

SYD

27h 22m2 stops

2:00 pm - 12:19 am

SYD

IAH

27h 19m2 stops

$915Multiple Airlines

lun., ene. 19 - dom., feb. 1

9:36 am - 9:35 am

IAH

SYD

30h 59m2 stops

11:20 am - 1:34 pm

SYD

IAH

43h 14m2 stops

$931Air Canada

dom., feb. 8 - dom., feb. 22

9:35 am - 9:35 am

IAH

SYD

31h 00m2 stops

11:20 am - 1:34 pm

SYD

IAH

43h 14m2 stops

$974Air Canada

mié., feb. 18 - vie., feb. 27

4:13 pm - 12:35 pm

IAH

SYD

27h 22m2 stops

2:00 pm - 12:19 am

SYD

IAH

27h 19m2 stops

$977Multiple Airlines

lun., ene. 19 - dom., feb. 1

4:45 pm - 7:20 am

IAH

SYD

23h 35m1 stop

9:20 am - 1:39 pm

SYD

IAH

43h 19m2 stops

$979Air Canada

mié., may. 20 - vie., may. 29

7:10 am - 9:35 am

IAH

SYD

33h 25m2 stops

11:20 am - 1:34 pm

SYD

IAH

43h 14m2 stops

$980Air Canada

mar., feb. 17 - vie., feb. 20

4:20 pm - 6:55 am

HOU

SYD

21h 35m1 stop

1:05 pm - 3:50 pm

SYD

HOU

18h 45m1 stop

$1,147American Airlines

mar., feb. 24 - mié., mar. 11

10:14 am - 6:55 am

HOU

SYD

28h 41m1 stop

1:05 pm - 3:50 pm

SYD

HOU

18h 45m1 stop

$1,148American Airlines

dom., mar. 8 - dom., mar. 15

2:05 pm - 7:30 am

HOU

SYD

25h 25m2 stops

9:40 am - 10:28 pm

SYD

HOU

28h 48m2 stops

$1,168Delta

mar., mar. 10 - mar., mar. 24

5:45 am - 6:50 am

HOU

SYD

32h 05m2 stops

10:40 am - 10:33 pm

SYD

HOU

28h 53m2 stops

$1,218Delta

sáb., ene. 24 - dom., feb. 8

Delta flights from Houston to Sydney

Our best Delta deals on Houston to Sydney flight tickets

Delta

Mar 10

HOU10:35 amHouston Hobby

28h 55m

2 stops

SYD7:30 amSydney Kingsford Smith

Mar 24

SYD9:40 amSydney Kingsford Smith

22h 52m

2 stops

HOU4:32 pmHouston Hobby

$1,167

Find similar

Delta

Mar 15

HOU2:05 pmHouston Hobby

25h 20m

2 stops

SYD7:25 amSydney Kingsford Smith

Mar 22

SYD9:40 amSydney Kingsford Smith

28h 48m

2 stops

HOU10:28 pmHouston Hobby

$1,168

Find similar

Delta

Feb 21

HOU5:25 amHouston Hobby

34h 05m

2 stops

SYD8:30 amSydney Kingsford Smith

Mar 8

SYD10:40 amSydney Kingsford Smith

42h 40m

2 stops

HOU12:20 pmHouston Hobby

$1,217

Find similar

American Airlines flights from Houston to Sydney

Our best American Airlines deals on Houston to Sydney flight tickets

American Airlines

Mar 10

HOU12:18 pmHouston Hobby

26h 37m

1 stop

SYD6:55 amSydney Kingsford Smith

Mar 24

SYD1:05 pmSydney Kingsford Smith

18h 45m

1 stop

HOU3:50 pmHouston Hobby

$1,147

Find similar

American Airlines

Feb 11

HOU10:35 amHouston Hobby

27h 20m

1 stop

SYD6:55 amSydney Kingsford Smith

Mar 1

SYD2:05 pmSydney Kingsford Smith

22h 50m

1 stop

HOU7:55 pmHouston Hobby

$1,148

Find similar

American Airlines

Mar 10

HOU4:20 pmHouston Hobby

24h 40m

2 stops

SYD9:00 amSydney Kingsford Smith

Mar 24

SYD1:05 pmSydney Kingsford Smith

18h 45m

1 stop

HOU3:50 pmHouston Hobby

$1,151

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

lun. 1/19

4:13 pm-12:35 pm

2 stops27h 22m

Sydney Kingsford Smith

dom. 2/1

2:00 pm-12:19 am

2 stops27h 19m

$915

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

dom. 2/8

9:36 am-9:35 am

2 stops30h 59m

Sydney Kingsford Smith

dom. 2/22

11:20 am-1:34 pm

2 stops43h 14m

$931

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

mié. 2/18

9:35 am-9:35 am

2 stops31h 00m

Sydney Kingsford Smith

vie. 2/27

11:20 am-1:34 pm

2 stops43h 14m

$974

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

lun. 1/19

4:13 pm-12:35 pm

2 stops27h 22m

Sydney Kingsford Smith

dom. 2/1

2:00 pm-12:19 am

2 stops27h 19m

$977

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

mié. 5/20

4:45 pm-7:20 am

1 stop23h 35m

Sydney Kingsford Smith

vie. 5/29

9:20 am-1:39 pm

2 stops43h 19m

$979

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

mar. 2/17

7:10 am-9:35 am

2 stops33h 25m

Sydney Kingsford Smith

vie. 2/20

11:20 am-1:34 pm

2 stops43h 14m

$980

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

mar. 2/24

4:20 pm-6:55 am

1 stop21h 35m

Sydney Kingsford Smith

mié. 3/11

1:05 pm-3:50 pm

1 stop18h 45m

$1,147

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

dom. 3/8

10:14 am-6:55 am

1 stop28h 41m

Sydney Kingsford Smith

dom. 3/15

1:05 pm-3:50 pm

1 stop18h 45m

$1,148

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

mar. 3/10

2:05 pm-7:30 am

2 stops25h 25m

Sydney Kingsford Smith

mar. 3/24

9:40 am-10:28 pm

2 stops28h 48m

$1,168

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

sáb. 1/24

5:45 am-6:50 am

2 stops32h 05m

Sydney Kingsford Smith

dom. 2/8

10:40 am-10:33 pm

2 stops28h 53m

$1,218

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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 cheapest month to fly to Sydney?

In general, July is the cheapest month to fly from Houston to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $853. If you are unable to visit Sydney during the month of July, then departing from Houston during the month March is also very affordable. Most momondo users find prices during this month for around $897.

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Houston to Sydney is on a Tuesday when prices can be found for as low as $1,171. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,370.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is at noon. momondo users have found flights departing from Houston to Sydney at noon for as low as $868. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the evening, with an average ticket price of $1,708. Departure times in the evening fall within the peak daily travel times, which is why tickets can be more expensive.

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 $1,100 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Houston for as low as $863 on momondo.

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

There are 3 cabin classes 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	Every day
Airports in Sydney	1 airport

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

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

How far is Houston to Sydney Kingsford Smith by plane?
A flight from Houston to Sydney Kingsford Smith will travel around 8580.8 mi. By plane, this route typically takes 17h 30m.
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 many operators does momondo search for flights from Houston to Sydney Kingsford Smith Airport?
There are 7 operators available for flights from Houston to Sydney Kingsford Smith Airport as of December 2025.
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 layovers 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 necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Sydney

Compare and see reviews for airlines that fly from Houston to Sydney with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $337	Free Cancellation	Rating 7.9 8,007 reviews	Search Delta flights
Qantas Airways	PriceFrom $799	Free Cancellation	Rating 7.5 947 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $825	Free Cancellation	Rating 7.2 11,050 reviews	Search American Airlines flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 9,095 reviews	Search United Airlines flights
Air New Zealand	PriceFrom $957	Free Cancellation	Rating 8.0 552 reviews	Search Air New Zealand flights
Fiji Airways	PriceFrom $971	Free Cancellation	Rating 8.1 210 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $998	Free Cancellation	Rating 7.1 10,516 reviews	Search Air Canada flights

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Katoomba

Wollongong

Randwick

Coogee

Manly

Penrith

Cronulla

Lithgow

Leura

Charlestown

Terrigal

Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Sydney?

It is quick and easy to find Houston to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

Can I find flights from Houston to Sydney with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Houston to Sydney flights to just show those with flexible booking policies.

How can momondo help me find flights from Houston to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Houston.

I’m not ready to book a flight from Houston to Sydney right now. Can momondo alert me if prices change?

Yes momondo offers price alerts on flights to Sydney from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Cheap flights from Houston to Sydney from $600

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Sydney departing on 3/8. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Houston to Sydney

What is the cheapest month to fly to Sydney?

What is the cheapest day to depart on your flight to Sydney?

The cheapest day to depart from Houston to Sydney is on a Tuesday when prices can be found for as low as $1,171. The most expensive day to fly to Sydney is Thursday, with ticket prices averaging around $1,370.

What is the cheapest time of day to depart on your flight to Sydney?

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?

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

There are 3 cabin classes 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.

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

Delta, American Airlines, and Qantas Airways are the most popular carriers operating from Houston to Sydney Kingsford Smith

What airlines fly to Sydney?

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

The number of flights available between Houston and Sydney is 3 per day as of December 2025. The most frequent departure time is 8:00PM, with 100% of daily flights leaving in the evening.

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

As of December 2025, 21 flights take off from Houston and land in Sydney each week. The most common flight departure day for this route is Mon, with 14% of weekly flights taking off on this day.

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

Direct flights

Airports in Sydney

How far is Houston to Sydney Kingsford Smith by plane?

When did momondo last update prices for flights from Houston to Sydney Kingsford Smith Airport?

How many operators does momondo search for flights from Houston to Sydney Kingsford Smith Airport?

How old do you have to be to fly from Houston to Sydney Kingsford Smith Airport?

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

Best airlines flying from Houston to Sydney

Compare and see reviews for airlines that fly from Houston to Sydney with momondo

Traveling to a place near Sydney?

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Sydney?

Can I find flights from Houston to Sydney with flexible booking policies on momondo?

How can momondo help me find flights from Houston to Sydney?

I’m not ready to book a flight from Houston to Sydney right now. Can momondo alert me if prices change?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales