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Cheap flights from Houston to Sydney from $493

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 11/28. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Multiple Airlines Logo
2:05 pm - 12:30 pmIAH-SYD
29h 25m2 stops
Multiple Airlines Logo
2:00 pm - 10:04 pmSYD-IAH
25h 04m2 stops
$981Multiple Airlines
Find Deal
Wed, Nov 5 - Wed, Nov 12
Air New Zealand Logo
9:05 pm - 8:45 amIAH-SYD
19h 40m1 stop
Air New Zealand Logo
9:55 am - 3:05 pmSYD-IAH
21h 10m1 stop
$1,005Air New Zealand
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Sun, Mar 8 - Mon, Mar 16
Fiji Airways Logo
6:28 pm - 9:50 pmIAH-SYD
34h 22m2 stops
Fiji Airways Logo
6:00 am - 7:24 pmSYD-IAH
30h 24m2 stops
$1,064Fiji Airways
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Tue, Nov 4 - Tue, Nov 11
Fiji Airways Logo
6:28 pm - 12:30 pmIAH-SYD
25h 02m2 stops
Fiji Airways Logo
1:15 pm - 8:02 pmSYD-IAH
21h 47m2 stops
$1,087Fiji Airways
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Sat, Nov 15 - Sat, May 9
American Airlines Logo
4:55 pm - 6:55 amHOU-SYD
21h 00m1 stop
American Airlines Logo
11:20 am - 3:52 pmSYD-HOU
21h 32m2 stops
$1,439American Airlines
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Sun, Jan 18 - Tue, Feb 17
American Airlines Logo
4:55 pm - 6:55 amHOU-SYD
21h 00m1 stop
American Airlines Logo
2:05 pm - 5:49 pmSYD-HOU
20h 44m1 stop
$1,440American Airlines
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Sun, Jan 18 - Tue, Feb 17
Delta Logo
10:40 am - 8:30 amHOU-SYD
28h 50m2 stops
Delta Logo
10:40 am - 11:02 pmSYD-HOU
29h 22m2 stops
$1,467Delta
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Sun, Nov 30 - Tue, Dec 9
Delta Logo
10:40 am - 8:30 amHOU-SYD
28h 50m2 stops
Delta Logo
10:40 am - 9:39 amSYD-HOU
39h 59m2 stops
$1,487Delta
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Sun, Nov 30 - Mon, Dec 8
British Airways Logo
6:22 pm - 11:35 amHOU-SYD
24h 13m2 stops
British Airways Logo
11:20 am - 3:54 pmSYD-HOU
21h 34m2 stops
$1,639British Airways
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Sun, Nov 30 - Sun, Dec 14
British Airways Logo
6:22 pm - 11:35 amHOU-SYD
24h 13m2 stops
British Airways Logo
11:20 am - 3:54 pmSYD-HOU
21h 34m2 stops
$1,644British Airways
Find Deal
Sun, Nov 30 - Sun, Dec 14

American Airlines flights from Houston to Sydney

Our best American Airlines deals on Houston to Sydney flight tickets
American Airlines
Jan 18
HOU4:55 pmHouston Hobby
21h 00m
1 stop
SYD6:55 amSydney Kingsford Smith
Feb 17
SYD11:20 amSydney Kingsford Smith
21h 32m
2 stops
HOU3:52 pmHouston Hobby
$1,439
Find similar
American Airlines
Jan 18
HOU4:55 pmHouston Hobby
21h 00m
1 stop
SYD6:55 amSydney Kingsford Smith
Feb 17
SYD2:05 pmSydney Kingsford Smith
20h 44m
1 stop
HOU5:49 pmHouston Hobby
$1,440
Find similar
American Airlines
Feb 24
HOU10:18 amHouston Hobby
27h 37m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 11
SYD1:05 pmSydney Kingsford Smith
20h 56m
1 stop
HOU6:01 pmHouston Hobby
$1,447
Find similar

British Airways flights from Houston to Sydney

Our best British Airways deals on Houston to Sydney flight tickets
British Airways
Nov 30
HOU6:22 pmHouston Hobby
24h 13m
2 stops
SYD11:35 amSydney Kingsford Smith
Dec 14
SYD11:20 amSydney Kingsford Smith
21h 34m
2 stops
HOU3:54 pmHouston Hobby
$1,639
Find similar
British Airways
Nov 30
HOU6:22 pmHouston Hobby
24h 13m
2 stops
SYD11:35 amSydney Kingsford Smith
Dec 14
SYD11:20 amSydney Kingsford Smith
21h 34m
2 stops
HOU3:54 pmHouston Hobby
$1,644
Find similar
British Airways
Nov 30
HOU6:22 pmHouston Hobby
24h 13m
2 stops
SYD11:35 amSydney Kingsford Smith
Dec 14
SYD11:20 amSydney Kingsford Smith
21h 34m
2 stops
HOU3:54 pmHouston Hobby
$1,670
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momondo Fare Finder

 
Customize your flight search to find flights from Houston to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated October 8, 2025.
Use the filters below to find and compare flights from Houston to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 11/5

2:05 pm-12:30 pm

2 stops29h 25m

Sydney Kingsford Smith

Wed 11/12

2:00 pm-10:04 pm

2 stops25h 04m

$981

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 3/8

9:05 pm-8:45 am

1 stop19h 40m

Sydney Kingsford Smith

Mon 3/16

9:55 am-3:05 pm

1 stop21h 10m

$1,005

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 11/4

6:28 pm-9:50 pm

2 stops34h 22m

Sydney Kingsford Smith

Tue 11/11

6:00 am-7:24 pm

2 stops30h 24m

$1,064

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 11/15

6:28 pm-12:30 pm

2 stops25h 02m

Sydney Kingsford Smith

Sat 5/9

1:15 pm-8:02 pm

2 stops21h 47m

$1,087

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 1/18

4:55 pm-6:55 am

1 stop21h 00m

Sydney Kingsford Smith

Tue 2/17

11:20 am-3:52 pm

2 stops21h 32m

$1,439

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 1/18

4:55 pm-6:55 am

1 stop21h 00m

Sydney Kingsford Smith

Tue 2/17

2:05 pm-5:49 pm

1 stop20h 44m

$1,440

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 11/30

10:40 am-8:30 am

2 stops28h 50m

Sydney Kingsford Smith

Tue 12/9

10:40 am-11:02 pm

2 stops29h 22m

$1,467

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 11/30

10:40 am-8:30 am

2 stops28h 50m

Sydney Kingsford Smith

Mon 12/8

10:40 am-9:39 am

2 stops39h 59m

$1,487

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 11/30

6:22 pm-11:35 am

2 stops24h 13m

Sydney Kingsford Smith

Sun 12/14

11:20 am-3:54 pm

2 stops21h 34m

$1,639

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 11/30

6:22 pm-11:35 am

2 stops24h 13m

Sydney Kingsford Smith

Sun 12/14

11:20 am-3:54 pm

2 stops21h 34m

$1,644

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Sydney from

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

What is the typical price of a round-trip flight between Houston and Sydney?

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 $883. 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 $1,829. 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 $1,137 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 $865 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 near Sydney: Sydney Kingsford Smith (SYD)
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  • 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 19h 40m.

  • 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?

  • 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
Qantas AirwaysPriceFrom $799Free CancellationRating
7.5
915 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $823Free CancellationRating
7.2
11,041 reviews
Search American Airlines flights
DeltaPriceFrom $830Free CancellationRating
7.9
7,968 reviews
Search Delta flights
Air New ZealandPriceFrom $957Free CancellationRating
8.0
513 reviews
Search Air New Zealand flights
Fiji AirwaysPriceFrom $971Free CancellationRating
8.0
205 reviews
Search Fiji Airways flights
Air CanadaPriceFrom $998Free CancellationRating
7.1
10,257 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,352Free CancellationRating
7.4
8,965 reviews
Search United Airlines flights

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Cronulla
Manly
Coogee
Lithgow
Penrith
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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