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Cheap flights from Houston to Sydney from $625

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 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
15:49 - 12:35
IAH
-
SYD
27h 46m
2 stops
Multiple Airlines Logo
06:00 - 23:59
SYD
-
IAH
34h 59m
2 stops
$1,292Multiple Airlines
Sat, 31 Jan - Tue, 10 Feb
Multiple Airlines Logo
16:08 - 12:35
IAH
-
SYD
27h 27m
2 stops
Multiple Airlines Logo
14:00 - 00:30
SYD
-
IAH
27h 30m
2 stops
$1,374Multiple Airlines
Wed, 4 Feb - Wed, 25 Feb
Multiple Airlines Logo
16:08 - 12:35
IAH
-
SYD
27h 27m
2 stops
Multiple Airlines Logo
06:00 - 00:30
SYD
-
IAH
35h 30m
2 stops
$1,434Multiple Airlines
Sun, 8 Feb - Sun, 15 Feb
Qantas Airways Logo
18:26 - 17:40
IAH
-
SYD
31h 14m
2 stops
Qantas Airways Logo
11:20 - 19:11
SYD
-
IAH
23h 51m
1 stop
$1,448Qantas Airways
Tue, 10 Mar - Tue, 24 Mar
Qantas Airways Logo
18:26 - 17:40
IAH
-
SYD
31h 14m
2 stops
Qantas Airways Logo
11:20 - 19:11
SYD
-
IAH
23h 51m
1 stop
$1,449Qantas Airways
Tue, 10 Mar - Tue, 24 Mar
Multiple Airlines Logo
16:34 - 22:05
IAH
-
SYD
37h 31m
2 stops
Multiple Airlines Logo
14:00 - 00:11
SYD
-
IAH
26h 11m
2 stops
$1,451Multiple Airlines
Mon, 9 Mar - Mon, 16 Mar
Qantas Airways Logo
18:26 - 17:40
IAH
-
SYD
31h 14m
2 stops
Qantas Airways Logo
11:20 - 19:11
SYD
-
IAH
23h 51m
1 stop
$1,482Qantas Airways
Tue, 10 Mar - Tue, 24 Mar
Qantas Airways Logo
18:36 - 14:25
HOU
-
SYD
26h 49m
2 stops
Qantas Airways Logo
17:50 - 11:48
SYD
-
HOU
34h 58m
2 stops
$1,916Qantas Airways
Wed, 11 Feb - Wed, 18 Feb
American Airlines Logo
16:20 - 06:55
HOU
-
SYD
22h 35m
1 stop
American Airlines Logo
13:05 - 15:50
SYD
-
HOU
18h 45m
1 stop
$2,167American Airlines
Tue, 10 Mar - Tue, 24 Mar
American Airlines Logo
12:18 - 06:55
HOU
-
SYD
26h 37m
1 stop
American Airlines Logo
13:05 - 19:50
SYD
-
HOU
22h 45m
1 stop
$2,168American Airlines
Tue, 10 Mar - Tue, 24 Mar

Air New Zealand flights from Houston to Sydney

Our best Air New Zealand deals on Houston to Sydney flight tickets
Air New Zealand
10 Feb
IAH07:30Houston George Bush Intcntl
32h 15m
2 stops
SYD08:45Sydney Kingsford Smith
2 Mar
SYD11:45Sydney Kingsford Smith
19h 20m
1 stop
IAH14:05Houston George Bush Intcntl
$1,494
Air New Zealand
10 Feb
IAH15:02Houston George Bush Intcntl
24h 43m
2 stops
SYD08:45Sydney Kingsford Smith
3 Mar
SYD09:55Sydney Kingsford Smith
25h 33m
2 stops
IAH18:28Houston George Bush Intcntl
$1,509
Air New Zealand
10 Feb
IAH12:40Houston George Bush Intcntl
31h 00m
2 stops
SYD12:40Sydney Kingsford Smith
1 Mar
SYD07:45Sydney Kingsford Smith
23h 20m
1 stop
IAH14:05Houston George Bush Intcntl
$1,527

American Airlines flights from Houston to Sydney

Our best American Airlines deals on Houston to Sydney flight tickets
American Airlines
10 Mar
HOU16:20Houston Hobby
22h 35m
1 stop
SYD06:55Sydney Kingsford Smith
24 Mar
SYD13:05Sydney Kingsford Smith
18h 45m
1 stop
HOU15:50Houston Hobby
$2,167
American Airlines
10 Mar
HOU12:18Houston Hobby
26h 37m
1 stop
SYD06:55Sydney Kingsford Smith
24 Mar
SYD13:05Sydney Kingsford Smith
18h 45m
1 stop
HOU15:50Houston Hobby
$2,168
American Airlines
4 May
HOU16:19Houston Hobby
23h 46m
2 stops
SYD07:05Sydney Kingsford Smith
13 May
SYD09:10Sydney Kingsford Smith
21h 39m
2 stops
HOU15:49Houston Hobby
$2,171

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 15 January 2026.
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

Sat 31/1

15:49-12:35

2 stops27h 46m

Sydney Kingsford Smith

Tue 10/2

06:00-23:59

2 stops34h 59m

$1,292

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 4/2

16:08-12:35

2 stops27h 27m

Sydney Kingsford Smith

Wed 25/2

14:00-00:30

2 stops27h 30m

$1,374

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 8/2

16:08-12:35

2 stops27h 27m

Sydney Kingsford Smith

Sun 15/2

06:00-00:30

2 stops35h 30m

$1,434

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 10/3

18:26-17:40

2 stops31h 14m

Sydney Kingsford Smith

Tue 24/3

11:20-19:11

1 stop23h 51m

$1,448

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 10/3

18:26-17:40

2 stops31h 14m

Sydney Kingsford Smith

Tue 24/3

11:20-19:11

1 stop23h 51m

$1,449

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 9/3

16:34-22:05

2 stops37h 31m

Sydney Kingsford Smith

Mon 16/3

14:00-00:11

2 stops26h 11m

$1,451

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 10/3

18:26-17:40

2 stops31h 14m

Sydney Kingsford Smith

Tue 24/3

11:20-19:11

1 stop23h 51m

$1,482

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 11/2

18:36-14:25

2 stops26h 49m

Sydney Kingsford Smith

Wed 18/2

17:50-11:48

2 stops34h 58m

$1,916

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 10/3

16:20-06:55

1 stop22h 35m

Sydney Kingsford Smith

Tue 24/3

13:05-15:50

1 stop18h 45m

$2,167

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 10/3

12:18-06:55

1 stop26h 37m

Sydney Kingsford Smith

Tue 24/3

13:05-19:50

1 stop22h 45m

$2,168

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $1,276. If you aren’t able to travel to Sydney during the month of July, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,304.

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 $1,714 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 $1,434 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 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 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 $690Free cancellationRating
7.5
971 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
Penrith
Terrigal
Katoomba
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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