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Cheap flights from Houston to Sydney from $593

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 9/2. 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

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Cheap return flights

Enter your travel dates to find the best prices.
Air Canada Logo
09:36 - 09:35
IAH
-
SYD
30h 59m2 stops
Air Canada Logo
11:20 - 13:34
SYD
-
IAH
43h 14m2 stops
$1,402Air Canada
Sun, 8 Feb - Sun, 22 Feb
Multiple Airlines Logo
16:13 - 12:35
IAH
-
SYD
27h 22m2 stops
Multiple Airlines Logo
06:00 - 00:19
SYD
-
IAH
35h 19m2 stops
$1,405Multiple Airlines
Mon, 19 Jan - Mon, 26 Jan
Air Canada Logo
12:10 - 09:35
IAH
-
SYD
52h 25m3 stops
Air Canada Logo
11:20 - 13:34
SYD
-
IAH
43h 14m2 stops
$1,418Air Canada
Sat, 7 Feb - Wed, 11 Feb
Air Canada Logo
07:10 - 09:35
IAH
-
SYD
33h 25m1 stop
Air Canada Logo
11:20 - 13:34
SYD
-
IAH
43h 14m2 stops
$1,419Air Canada
Sun, 8 Feb - Sun, 22 Feb
Air Canada Logo
12:10 - 09:35
IAH
-
SYD
52h 25m3 stops
Air Canada Logo
11:20 - 16:24
SYD
-
IAH
22h 04m1 stop
$1,452Air Canada
Sat, 7 Feb - Wed, 11 Feb
Multiple Airlines Logo
17:25 - 14:40
IAH
-
SYD
28h 15m2 stops
Multiple Airlines Logo
11:20 - 16:24
SYD
-
IAH
22h 04m1 stop
$1,457Multiple Airlines
Tue, 27 Jan - Tue, 3 Feb
American Airlines Logo
10:35 - 06:55
HOU
-
SYD
27h 20m1 stop
American Airlines Logo
14:05 - 23:57
SYD
-
HOU
26h 52m1 stop
$1,728American Airlines
Wed, 11 Feb - Sun, 1 Mar
American Airlines Logo
10:15 - 06:55
HOU
-
SYD
27h 40m1 stop
American Airlines Logo
13:05 - 15:50
SYD
-
HOU
18h 45m1 stop
$1,730American Airlines
Tue, 24 Feb - Wed, 11 Mar
Delta Logo
11:09 - 06:50
HOU
-
SYD
26h 41m2 stops
Delta Logo
10:40 - 22:33
SYD
-
HOU
28h 53m2 stops
$1,758Delta
Tue, 27 Jan - Sun, 8 Feb
Delta Logo
13:06 - 08:30
HOU
-
SYD
26h 24m2 stops
Delta Logo
09:40 - 22:28
SYD
-
HOU
28h 48m2 stops
$1,760Delta
Tue, 24 Feb - Wed, 11 Mar

Air Canada flights from Houston to Sydney

Our best Air Canada deals on Houston to Sydney flight tickets
Air Canada
8 Feb
IAH09:36Houston George Bush Intcntl
30h 59m
2 stops
SYD09:35Sydney Kingsford Smith
22 Feb
SYD11:20Sydney Kingsford Smith
43h 14m
2 stops
IAH13:34Houston George Bush Intcntl
$1,402
Find similar
Air Canada
7 Feb
IAH12:10Houston George Bush Intcntl
52h 25m
3 stops
SYD09:35Sydney Kingsford Smith
11 Feb
SYD11:20Sydney Kingsford Smith
43h 14m
2 stops
IAH13:34Houston George Bush Intcntl
$1,418
Find similar
Air Canada
8 Feb
IAH07:10Houston George Bush Intcntl
33h 25m
1 stop
SYD09:35Sydney Kingsford Smith
22 Feb
SYD11:20Sydney Kingsford Smith
43h 14m
2 stops
IAH13:34Houston George Bush Intcntl
$1,419
Find similar

American Airlines flights from Houston to Sydney

Our best American Airlines deals on Houston to Sydney flight tickets
American Airlines
11 Feb
HOU10:35Houston Hobby
27h 20m
1 stop
SYD06:55Sydney Kingsford Smith
1 Mar
SYD14:05Sydney Kingsford Smith
26h 52m
1 stop
HOU23:57Houston Hobby
$1,728
Find similar
American Airlines
24 Feb
HOU10:15Houston Hobby
27h 40m
1 stop
SYD06:55Sydney Kingsford Smith
11 Mar
SYD13:05Sydney Kingsford Smith
18h 45m
1 stop
HOU15:50Houston Hobby
$1,730
Find similar
American Airlines
23 Feb
HOU16:20Houston Hobby
23h 40m
2 stops
SYD09:00Sydney Kingsford Smith
4 Mar
SYD11:20Sydney Kingsford Smith
21h 30m
2 stops
HOU15:50Houston Hobby
$1,733
Find similar

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 5 December 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

Sun 8/2

09:36-09:35

2 stops30h 59m

Sydney Kingsford Smith

Sun 22/2

11:20-13:34

2 stops43h 14m

$1,402

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 19/1

16:13-12:35

2 stops27h 22m

Sydney Kingsford Smith

Mon 26/1

06:00-00:19

2 stops35h 19m

$1,405

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 7/2

12:10-09:35

3 stops52h 25m

Sydney Kingsford Smith

Wed 11/2

11:20-13:34

2 stops43h 14m

$1,418

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 8/2

07:10-09:35

1 stop33h 25m

Sydney Kingsford Smith

Sun 22/2

11:20-13:34

2 stops43h 14m

$1,419

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 7/2

12:10-09:35

3 stops52h 25m

Sydney Kingsford Smith

Wed 11/2

11:20-16:24

1 stop22h 04m

$1,452

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 27/1

17:25-14:40

2 stops28h 15m

Sydney Kingsford Smith

Tue 3/2

11:20-16:24

1 stop22h 04m

$1,457

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 11/2

10:35-06:55

1 stop27h 20m

Sydney Kingsford Smith

Sun 1/3

14:05-23:57

1 stop26h 52m

$1,728

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 24/2

10:15-06:55

1 stop27h 40m

Sydney Kingsford Smith

Wed 11/3

13:05-15:50

1 stop18h 45m

$1,730

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 27/1

11:09-06:50

2 stops26h 41m

Sydney Kingsford Smith

Sun 8/2

10:40-22:33

2 stops28h 53m

$1,758

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 24/2

13:06-08:30

2 stops26h 24m

Sydney Kingsford Smith

Wed 11/3

09:40-22:28

2 stops28h 48m

$1,760

Flights are sorted by cheapest return 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?

The month of July is, on average, the cheapest month to fly to Sydney from Houston, with most prices found around $1,286. If you aren’t able to travel to Sydney during the month of July, then flying in April is also cheap. Prices for this month can be found on momondo for an average of $1,318.

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

Our data shows that Wednesday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,619. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $2,829.

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 in the afternoon. momondo users have found flights departing from Houston to Sydney in the afternoon for as low as $1,559. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $2,931 on average. Flights to Sydney from Houston in the evening are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $1,623 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 $1,304 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

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)
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 19h 28m 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 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 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.

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 $696Free cancellationRating
7.5
948 reviews
Search Qantas Airways flights

Travelling to a place near Sydney?

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

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.

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