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Cheap flights from Houston to Sydney from $1,176

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 13/6. Fares are subject to change and may not be available on all flights or dates of travel.
HOU — SYD
23 Apr — 30 Apr1
1 adult

Cheapflights Tip: The best prices from Houston to Sydney Kingsford Smith are usually found in April or May, booked 47 days in advance, depart on a Wednesday or Saturday and return on a Tuesday

Cheap 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 18 April 2025.

Round-trip from

$1,611

One-way from

$1,284

Popular in

December

Cheapest in

April

Average price

$1,374
Air New Zealand
  • Air New Zealand
  • 6/7-21/7
  • 3 total stops
  • 47h 53m total
  • Houston to Sydney
Search Deals
American Airlines
  • American Airlines
  • 1/7
  • 2 total stops
  • 24h 08m total
  • Houston to Sydney
Search Deals
Highest demand for flights based on searches. 20% potential increase in price ($740 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($140 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
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Find flight deals from Houston to Sydney

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 18 April 2025.

Tue 29/721:55IAH - SYD
1 stop19h 50mAir New Zealand
Tue 12/811:50SYD - IAH
1 stop19h 25mAir New Zealand
Deal found 17/4$1,495
Tue 21/1020:29IAH - SYD
2 stops24h 16mFiji Airways
Tue 11/1114:10SYD - IAH
2 stops22h 55mFiji Airways
Deal found 18/4$1,550
Tue 29/720:22HOU - SYD
2 stops24h 23mMultiple Airlines
Tue 12/813:15SYD - HOU
2 stops23h 41mMultiple Airlines
Deal found 17/4$1,729
Sat 22/1118:20IAH - SYD
2 stops25h 10mMultiple Airlines
Thu 27/1114:00SYD - IAH
2 stops26h 43mMultiple Airlines
Deal found 17/4$1,750
Thu 4/1218:19IAH - SYD
2 stops23h 31mQantas Airways
Thu 11/1207:30SYD - IAH
2 stops23h 01mQantas Airways
Deal found 16/4$1,813
Thu 4/1218:19HOU - SYD
2 stops23h 31mQantas Airways
Thu 11/1207:30SYD - HOU
2 stops25h 37mQantas Airways
Deal found 16/4$1,862
Mon 20/1010:00IAH - SYD
3 stops54h 20mAir Canada
Mon 3/1111:20SYD - IAH
2 stops28h 13mAir Canada
Deal found 18/4$2,088
Mon 8/918:41HOU - SYD
1 stop21h 14mAmerican Airlines
Mon 22/912:10SYD - HOU
1 stop23h 05mAmerican Airlines
Deal found 16/4$2,232
Wed 10/913:00HOU - SYD
2 stops26h 35mDelta
Wed 24/909:25SYD - HOU
2 stops38h 58mDelta
Deal found 17/4$2,308
Mon 8/905:00HOU - SYD
2 stops34h 20mJapan Airlines
Mon 22/908:55SYD - HOU
2 stops43h 56mJapan Airlines
Deal found 16/4$4,408
Mon 9/618:41HOU - SYD
2 stops44h 39mKorean Air
Mon 30/607:55SYD - HOU
2 stops51h 49mKorean Air
Deal found 17/4$4,839
Tue 21/1014:35HOU - SYD
2 stops35h 35mQatar Airways
Tue 11/1121:40SYD - HOU
2 stops61h 19mQatar Airways
Deal found 18/4$5,054

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 18 April 2025.
Use the filters below to find and compare flights from Houston to Sydney that are best for you.

Fly from

Houston

Fly to

Sydney

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 29/7

21:55-08:45

1 stop19h 50m

Sydney Kingsford Smith

Tue 12/8

11:50-16:15

1 stop19h 25m

$1,495

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 6/5

19:37-22:10

2 stops35h 33m

Sydney Kingsford Smith

Tue 19/8

13:15-19:58

2 stops21h 43m

$1,703

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 29/7

20:22-11:45

2 stops24h 23m

Sydney Kingsford Smith

Tue 12/8

13:15-21:56

2 stops23h 41m

$1,729

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Fri 6/6

19:55-07:05

1 stop20h 10m

Sydney Kingsford Smith

Sat 6/12

07:05-16:12

2 stops26h 07m

$1,862

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 4/6

08:57-11:45

2 stops35h 48m

Sydney Kingsford Smith

Tue 10/6

13:15-05:31

3 stops31h 16m

$1,876

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 8/9

10:00-07:20

3 stops54h 20m

Sydney Kingsford Smith

Mon 22/9

09:20-13:32

2 stops43h 12m

$2,193

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 8/9

18:41-06:55

1 stop21h 14m

Sydney Kingsford Smith

Mon 22/9

12:10-20:15

1 stop23h 05m

$2,232

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 8/6

16:22-07:30

2 stops24h 08m

Sydney Kingsford Smith

Wed 18/6

09:10-17:46

2 stops23h 36m

$2,256

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 10/9

13:00-06:35

2 stops26h 35m

Sydney Kingsford Smith

Wed 24/9

09:25-09:23

2 stops38h 58m

$2,308

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 8/9

20:20-06:55

1 stop19h 35m

Sydney Kingsford Smith

Mon 22/9

12:10-20:15

1 stop23h 05m

$2,870

Flights are sorted by cheapest return flights first.

Deals found on 18/4

Showing 1-10 of 30 results
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2
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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

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

Use this chart to determine the optimal time to book a return flight from Houston to Sydney. Price data was last updated on 11 April 2025.

Booking 46 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.

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

Currently, May is the cheapest month in which you can book a flight from Houston to Sydney (average of $129). Flying from Houston to Sydney in October is currently the most expensive (average of $171). 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.

What is the cheapest time of day to fly from HOU to SYD?

Find hourly flight availability from Houston to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 April 2025.

One of the essential ways to save on airfare from Houston to Sydney is to remain as flexible as possible. Flights that are at midday tend to be the most expensive. A flight in the morning could potentially save you up to 38% on airfare.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 18 April 2025.
Read reviews from past customers who have flown Air Tahiti Nui, Korean Air and Japan Airlines from Houston to Sydney. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.8
Very Good
62 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Korean Air
8.4
Very Good
1,063 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very Good
1,447 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.1
Very Good
186 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Delta
8.0
Very Good
7,917 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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. 2 airlines have flights to Sydney Kingsford Smith from Houston on a regular basis.

  • What are the cheapest airlines flying from Houston to Sydney round-trip?

    Our cheapest airline available from Houston to Sydney is Air New Zealand. Our recent data shows that you can find tickets from as low as $1,611 on this airline. Additional options worth looking into are Fiji Airways and Qantas Airways, starting at $1,703 and $1,862 round-trip. Air New Zealand is currently priced 13% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Houston to Sydney one-way?

    For one-way options, check prices for American Airlines. According to our data, you can fly for as low as $1,284. Users have also found prices from $1,339 and $1,422 on Fiji Airways and Air New Zealand, respectively.

  • 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, May is the cheapest month in which you can book a flight from Houston to Sydney (average of $129). Flying from Houston to Sydney in October is currently the most expensive (average of $171). 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 Houston?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 2 airlines flying from Houston to Sydney

Discover the top 2 airlines that operate flights from Houston to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 18 April 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$725Average$1,374FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
United AirlinesCheapest$2,088Average$2,630FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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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.

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