Find flights
Deals
When to book
FAQs

Cheap flights from Houston to Sydney from $827

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 29/7. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SYD
21 Jun — 28 Jun1
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 22 May 2026.

Mon 22/616:21
IAH
-
SYD
2 stops28h 29m
Multiple Airlines
Sun 5/713:15
SYD
-
IAH
2 stops25h 41m
Multiple Airlines
Deal found 21/5$1,647
Thu 4/612:06
IAH
-
SYD
3 stops43h 04m
Multiple Airlines
Thu 11/613:15
SYD
-
IAH
3 stops38h 31m
Multiple Airlines
Deal found 19/5$1,675
Sat 8/806:10
IAH
-
SYD
1 stop34h 20m
Multiple Airlines
Tue 25/813:15
SYD
-
IAH
2 stops40h 56m
Multiple Airlines
Deal found 17/5$1,693
Sat 13/606:10
IAH
-
SYD
2 stops38h 40m
Multiple Airlines
Thu 18/613:15
SYD
-
IAH
3 stops38h 31m
Multiple Airlines
Deal found 19/5$1,696
Sat 20/606:10
IAH
-
SYD
2 stops38h 40m
Multiple Airlines
Sat 27/606:00
SYD
-
IAH
3 stops57h 44m
Multiple Airlines
Deal found 21/5$1,710
Tue 11/816:02
IAH
-
SYD
2 stops28h 48m
Multiple Airlines
Fri 21/813:15
SYD
-
IAH
3 stops35h 42m
Multiple Airlines
Deal found 20/5$1,739
Sat 22/806:30
IAH
-
SYD
1 stop34h 00m
Multiple Airlines
Mon 31/813:15
SYD
-
IAH
2 stops40h 56m
Multiple Airlines
Deal found 18/5$1,742
Sat 8/806:10
IAH
-
SYD
1 stop34h 20m
Multiple Airlines
Thu 20/813:15
SYD
-
IAH
2 stops40h 56m
Multiple Airlines
Deal found 17/5$1,759
Sat 8/806:10
IAH
-
SYD
1 stop34h 20m
Multiple Airlines
Fri 21/813:15
SYD
-
IAH
2 stops40h 56m
Multiple Airlines
Deal found 17/5$1,763
Sat 5/906:30
IAH
-
SYD
1 stop34h 00m
Multiple Airlines
Fri 11/913:15
SYD
-
IAH
2 stops37h 11m
Multiple Airlines
Deal found 18/5$1,776
Mon 17/806:10
IAH
-
SYD
1 stop34h 20m
Multiple Airlines
Tue 25/813:15
SYD
-
IAH
2 stops40h 56m
Multiple Airlines
Deal found 18/5$1,784
Thu 30/718:49
HOU
-
SYD
2 stops26h 01m
Fiji Airways
Thu 20/813:15
SYD
-
HOU
2 stops25h 40m
Fiji Airways
Deal found 21/5$2,099

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 22 May 2026.

Round-trip from

$1,647

One-way from

$827

Popular in

January

Cheapest in

July

Average price

$2,218
22/6-5/7
  • 22/6-5/7
  • 4 total stops
  • 54h 10m total
  • Houston to Sydney
Search Deals
29/7
  • 29/7
  • 1 total stop
  • 34h 20m total
  • Houston to Sydney
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($348 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($73 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 22 May 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

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 22/10

18:15-19:45

2 stops57h 30m

Sydney Kingsford Smith

Sun 1/11

21:40-13:24

2 stops32h 44m

$2,270

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Fri 26/6

18:19-18:50

2 stops33h 31m

Sydney Kingsford Smith

Tue 4/8

20:45-06:20

2 stops24h 35m

$2,472

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 21/10

11:45-06:35

2 stops74h 50m

Sydney Kingsford Smith

Wed 28/10

16:35-16:15

2 stops39h 40m

$2,527
Fastest return journey

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 1/11

20:25-07:00

Nonstop17h 35m

Sydney Kingsford Smith

Wed 11/11

11:50-10:25

Nonstop15h 35m

$2,586

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 19/10

20:05-08:00

1 stop19h 55m

Sydney Kingsford Smith

Wed 28/10

11:50-11:25

Nonstop15h 35m

$2,593

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 7/9

12:14-20:10

2 stops40h 56m

Sydney Kingsford Smith

Mon 14/9

07:40-23:53

2 stops31h 13m

$2,600

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 19/10

10:05-07:50

2 stops29h 45m

Sydney Kingsford Smith

Wed 28/10

09:40-21:43

2 stops28h 03m

$2,615

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 21/10

13:00-07:50

2 stops26h 50m

Sydney Kingsford Smith

Sat 31/10

09:40-21:43

2 stops28h 03m

$2,684

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sat 12/9

13:00-06:50

2 stops26h 50m

Sydney Kingsford Smith

Sat 26/9

09:15-09:15

2 stops39h 00m

$2,755

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sat 4/7

06:00-06:50

2 stops33h 50m

Sydney Kingsford Smith

Sat 11/7

09:15-21:51

2 stops27h 36m

$2,964

Flights are sorted by cheapest return flights first.

Deals found on 17/5

Showing 1-10 of 39 resultsSorted by cheapest first
1
2
3
4

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 $100). Flying from Houston to Sydney in June is currently the most expensive (average of $1,211). 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 55 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 17h 35m. 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 $100). Flying from Houston to Sydney in June is currently the most expensive (average of $1,211). 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
Katoomba
Cronulla
Manly
Terrigal
Lithgow
Bondi Beach
Leura
Randwick
Coogee

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Houston to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.