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Cheap flights from Houston to Sydney from $875

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/9. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SYD
6 Aug — 13 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Houston to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Houston to Sydney
Explore the most affordable flight options available from Houston to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 7 July 2026.

Tue 18/816:02
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Tue 25/813:15
SYD
-
IAH
3 stops37h 41m
Multiple Airlines
Deal found 4/7$1,565
Tue 1/916:02
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Tue 8/913:15
SYD
-
IAH
3 stops46h 45m
Multiple Airlines
Deal found 6/7$1,637
Sun 23/815:52
IAH
-
SYD
2 stops28h 58m
Multiple Airlines
Sun 6/913:15
SYD
-
IAH
2 stops25h 41m
Multiple Airlines
Deal found 2/7$1,648
Sun 23/815:52
IAH
-
SYD
2 stops28h 58m
Multiple Airlines
Mon 7/913:15
SYD
-
IAH
2 stops25h 41m
Multiple Airlines
Deal found 3/7$1,666
Mon 31/815:52
IAH
-
SYD
2 stops28h 58m
Multiple Airlines
Mon 7/913:15
SYD
-
IAH
2 stops25h 41m
Multiple Airlines
Deal found 7/7$1,710
Mon 19/1014:08
HOU
-
SYD
2 stops38h 37m
Multiple Airlines
Wed 28/1008:45
SYD
-
HOU
2 stops31h 04m
Multiple Airlines
Deal found 6/7$2,521
Thu 27/820:14
HOU
-
SYD
2 stops32h 56m
Multiple Airlines
Tue 1/907:40
SYD
-
HOU
2 stops43h 04m
Multiple Airlines
Deal found 6/7$2,530
Tue 6/1017:06
HOU
-
SYD
1 stop21h 49m
Qantas Airways
Tue 27/1007:05
SYD
-
HOU
2 stops22h 28m
Qantas Airways
Deal found 4/7$2,589
Tue 10/1118:22
HOU
-
SYD
2 stops33h 28m
Multiple Airlines
Sat 14/1122:20
SYD
-
HOU
2 stops38h 30m
Multiple Airlines
Deal found 2/7$2,594
Mon 19/1017:06
HOU
-
SYD
1 stop21h 49m
Qantas Airways
Mon 26/1013:05
SYD
-
HOU
1 stop19h 31m
Qantas Airways
Deal found 3/7$2,634
Thu 20/818:14
HOU
-
SYD
2 stops34h 56m
Multiple Airlines
Thu 27/807:40
SYD
-
HOU
2 stops43h 04m
Multiple Airlines
Deal found 6/7$2,653
Sun 23/818:14
HOU
-
SYD
2 stops21h 51m
American Airlines
Sun 6/909:10
SYD
-
HOU
2 stops21h 16m
American Airlines
Deal found 2/7$2,654

Find flight deals from Houston to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Houston (HO1) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 7 July 2026.

Round-trip from

$1,565

One-way from

$875

Popular in

August

Cheapest in

November

Average price

$2,262
18/8-25/8
  • 18/8-25/8
  • 5 total stops
  • 66h 29m total
  • Houston to Sydney
Search Deals
1/9
  • 1/9
  • 1 total stop
  • 24h 28m total
  • Houston to Sydney
Search Deals
Highest demand for flights based on searches. 8% potential increase in price ($280 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($68 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 7 July 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

Cheapest return flight

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

14:08-20:45

2 stops38h 37m

Sydney Kingsford Smith

Wed 28/10

08:45-23:49

2 stops31h 04m

$2,521

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

17:06-20:45

2 stops35h 39m

Sydney Kingsford Smith

Mon 26/10

08:45-23:49

2 stops31h 04m

$2,521

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 19/10

14:56-07:55

1 stop24h 59m

Sydney Kingsford Smith

Wed 28/10

09:15-08:55

Nonstop15h 40m

$2,660

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 6/12

16:25-06:55

1 stop21h 30m

Sydney Kingsford Smith

Sun 20/12

14:05-15:47

1 stop18h 42m

$2,674

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 16/11

06:00-08:30

2 stops33h 30m

Sydney Kingsford Smith

Mon 30/11

10:40-09:26

2 stops39h 46m

$2,681

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 19/11

21:00-19:35

2 stops53h 35m

Sydney Kingsford Smith

Sun 29/11

21:30-13:10

2 stops56h 40m

$2,709
Fastest return journey

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 19/11

20:25-07:00

Nonstop17h 35m

Sydney Kingsford Smith

Sun 29/11

09:15-07:55

Nonstop15h 40m

$2,725

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 16/11

18:31-09:05

1 stop21h 34m

Sydney Kingsford Smith

Fri 27/11

09:15-07:55

Nonstop15h 40m

$2,732

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 16/11

16:25-06:55

1 stop21h 30m

Sydney Kingsford Smith

Mon 30/11

14:05-15:54

1 stop18h 49m

$2,743

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 25/8

12:14-20:10

2 stops40h 56m

Sydney Kingsford Smith

Mon 31/8

07:40-15:26

2 stops46h 46m

$2,746

Flights are sorted by cheapest return flights first.

Deals found on 6/7

Showing 1-10 of 44 resultsSorted by cheapest first
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Best time to book a flight from Houston to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Houston with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Houston to Sydney

What is the cheapest month to book a flight from Houston to Sydney?

Currently, December is the cheapest month in which you can book a flight from Houston to Sydney (average of $102). Flying from Houston to Sydney in January is currently the most expensive (average of $1,220). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from Houston to Sydney?

How far ahead should I book a flight from Houston to Sydney?

Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights from Houston to Sydney. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

Related info for your journey

Find useful and relevant information for your journey from Houston to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Houston?

    For a flight from Houston to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre vof the city. Kingsford Smith is the only Sydney airport and it handles 0 inbound flights from Houston per day. 0 airlines have flights to Sydney Kingsford Smith from Houston on a regular basis.

  • How long is the flight from Houston to Sydney?

    Departing from Houston to Sydney will take you 24h 59m. Houston and Sydney are separated by a distance of 13826 km. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • Can I find deals for flights from Houston to Sydney that include hotel bookings?

    Yes. In addition to deals on Houston to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Houston to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Houston to Sydney.

  • Can I find deals for business class flights from Houston to Sydney?

    Yes. Cheapflights offers flight deals from Houston to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Houston to Sydney?

    Currently, December is the cheapest month in which you can book a flight from Houston to Sydney (average of $102). Flying from Houston to Sydney in January is currently the most expensive (average of $1,220). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

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

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How does Cheapflights help users find flights from Houston to Sydney?

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Why should you use Cheapflights to find cheap flight tickets from Houston to Sydney?

Cheapflights helps you find that perfect flight to Sydney from Houston by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Houston to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Houston to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Houston to Sydney become cheaper?

Yes! Start tracking prices for Houston to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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