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Cheap flights from Houston George Bush Intcntl Airport to Sydney from $825

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
IAH — SYD
30 Mar — 6 Apr1
1 adult

Cheapflights Tip: The best prices from Houston George Bush Intcntl to Sydney Kingsford Smith are usually found in February or March, booked 73 days in advance, depart on a Tuesday or Monday and return on a Wednesday

Cheap flight deals from George Bush Intcntl to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from George Bush Intcntl (IAH) 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 25 March 2025.

Round-trip from

$1,330

One-way from

$825

Popular in

December

Cheapest in

February

Average price

$1,884
Qantas Airways
  • Qantas Airways
  • 3/9-17/9
  • 2 total stops
  • 48h 14m total
  • Houston to Sydney
Search Deals
6/5
  • 6/5
  • 3 total stops
  • 32h 05m total
  • Houston to Sydney
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($496 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($96 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2025
Search Deals

Find flight deals from George Bush Intcntl to Sydney

Cheapest flights from George Bush Intcntl to Sydney
Explore the most affordable flight options available from George Bush Intcntl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 25 March 2025.

Wed 3/914:35IAH - SYD
1 stop25h 20mQantas Airways
Wed 17/912:10SYD - IAH
1 stop22h 54mQantas Airways
Deal found 25/3$1,330
Sat 1/1120:29IAH - SYD
2 stops24h 01mFiji Airways
Thu 20/1114:00SYD - IAH
2 stops23h 05mFiji Airways
Deal found 25/3$1,629
Wed 10/910:00IAH - SYD
2 stops30h 20mAir Canada
Wed 24/909:20SYD - IAH
1 stop36h 09mAir Canada
Deal found 25/3$1,644
Sat 26/407:55IAH - SYD
3 stops47h 15mMultiple Airlines
Fri 9/513:15SYD - IAH
2 stops30h 40mMultiple Airlines
Deal found 25/3$1,713
Wed 5/1120:05IAH - SYD
1 stop21h 20mAir New Zealand
Wed 12/1109:55SYD - IAH
1 stop21h 10mAir New Zealand
Deal found 25/3$1,754
Mon 26/516:30IAH - SYD
2 stops24h 00mAmerican Airlines
Mon 9/617:45SYD - IAH
2 stops21h 14mAmerican Airlines
Deal found 25/3$2,263
Mon 31/321:00IAH - SYD
2 stops55h 00mTurkish Airlines
Tue 8/420:55SYD - IAH
2 stops37h 10mTurkish Airlines
Deal found 25/3$2,287
Wed 5/1120:25IAH - SYD
Nonstop17h 35mUnited Airlines
Wed 12/1112:10SYD - IAH
1 stop23h 40mUnited Airlines
Deal found 25/3$2,303

Cheapflights Fare Finder

Customise your flight search to find flights from George Bush Intcntl 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 25 March 2025.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Sydney that are best for you.

Fly from

George Bush Intcntl

Fly to

Sydney

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 3/9

14:35-06:55

1 stop25h 20m

Sydney Kingsford Smith

Wed 17/9

12:10-20:04

1 stop22h 54m

$1,330

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 10/9

10:00-07:20

2 stops30h 20m

Sydney Kingsford Smith

Wed 24/9

09:20-06:29

1 stop36h 09m

$1,644

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 26/4

07:55-22:10

3 stops47h 15m

Sydney Kingsford Smith

Fri 9/5

13:15-04:55

2 stops30h 40m

$1,713

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 10/5

19:37-11:45

2 stops25h 08m

Sydney Kingsford Smith

Sat 17/5

13:45-21:57

2 stops23h 12m

$1,717

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 29/6

21:55-08:45

1 stop19h 50m

Sydney Kingsford Smith

Sun 6/7

11:50-16:15

1 stop19h 25m

$1,756

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 26/5

16:30-07:30

2 stops24h 00m

Sydney Kingsford Smith

Mon 9/6

17:45-23:59

2 stops21h 14m

$2,263

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 7/7

09:45-07:00

1 stop30h 15m

Sydney Kingsford Smith

Tue 22/7

09:30-21:35

1 stop27h 05m

$2,311

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 12/7

19:25-06:35

2 stops44h 10m

Sydney Kingsford Smith

Sun 20/7

09:25-14:26

1 stop20h 01m

$2,360

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 6/5

12:40-11:45

3 stops32h 05m

$825

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 6/5

19:37-22:10

2 stops35h 33m

$854

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 18 results
1
2

Best time to book a flight from George Bush Intcntl to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from George Bush Intcntl 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 George Bush Intcntl Airport to Sydney

How far ahead should I book a flight from Houston George Bush Intcntl Airport to Sydney?

Use this chart to determine the optimal time to book a return flight from George Bush Intcntl to Sydney. Price data was last updated on 21 March 2025.

The price you pay for your flight from Houston George Bush Intcntl Airport to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 73 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

What is the cheapest month to book a flight from Houston George Bush Intcntl Airport to Sydney?

Currently, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Sydney (average of $129). Flying from Houston George Bush Intcntl Airport 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 IAH to SYD?

Find hourly flight availability from George Bush Intcntl 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 25 March 2025.

It’s typically best to fly out from Houston George Bush Intcntl Airport to Sydney in the morning. Doing so could potentially save you 51% on the flight price compared to flying at midday, which is usually more expensive.

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 25 March 2025.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Crew

9.1

Food

7.8

Overall

8.7

Boarding

8.7

Entertainment

7.2

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
8.7
Very Good
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Crew

9.1

Food

7.8

Overall

8.7

Boarding

8.7

Entertainment

7.2

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.
ANA
8.3
Very Good
826 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Crew

9.1

Food

7.8

Overall

8.7

Boarding

8.7

Entertainment

7.2

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.
Alaska Airlines
8.0
Very Good
9,789 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Crew

9.1

Food

7.8

Overall

8.7

Boarding

8.7

Entertainment

7.2

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
8.0
Very Good
182 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Crew

9.1

Food

7.8

Overall

8.7

Boarding

8.7

Entertainment

7.2

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
7,890 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Comfort

8.0

Crew

9.1

Food

7.8

Overall

8.7

Boarding

8.7

Entertainment

7.2

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 George Bush Intcntl 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 George Bush Intcntl?

    For a flight from Houston George Bush Intcntl 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 1 inbound flight from Houston George Bush Intcntl per day. 1 airline has flights to Sydney Kingsford Smith from Houston George Bush Intcntl on a regular basis.

  • What are the cheapest airlines flying from Houston George Bush Intcntl Airport to Sydney round-trip?

    Cheapflights users have booked flights from Houston George Bush Intcntl Airport to Sydney round-trip from $1,330. Other airlines that can offer you cheap pricing are Air Canada, from $1,644, and Fiji Airways, from $1,717. Qantas Airways is 36% cheaper than the average price of flights available within the next 90 days to this destination.

  • What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Sydney one-way?

    The cheapet airlines for a one-way flight from Houston George Bush Intcntl Airport to Sydney are Fiji Airways ($854), Qantas Airways ($1,238), and Alaska Airlines ($1,268).

  • What are the most reliable airlines from Houston George Bush Intcntl Airport to Sydney?

    No one likes to see their flight delayed. When booking a flight from Houston George Bush Intcntl Airport to Sydney consider choosing Virgin Australia(70%), United Airlines(70%) or Lufthansa(70%), as they are the most reliable in getting you off to your destination on time.

  • Can I find deals for flights from George Bush Intcntl to Sydney that include hotel bookings?

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

  • How can I find direct flights from George Bush Intcntl to Sydney?

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

  • Can I find deals for business class flights from George Bush Intcntl to Sydney?

    Yes. Cheapflights offers flight deals from George Bush Intcntl 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 George Bush Intcntl Airport to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Sydney (average of $129). Flying from Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport?

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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for George Bush Intcntl to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Hobby to Sydney flights
George Bush Intcntl to Coolangatta flights

Top airline flying from George Bush Intcntl to Sydney

Discover the top airline that operate flights from George Bush Intcntl 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 25 March 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$2,200Average$2,496FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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Can Cheapflights find flights from George Bush Intcntl to Sydney with no change fees?

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

Can Cheapflights notify me if prices for flights from George Bush Intcntl to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from George Bush Intcntl today and book when prices fit your budget.

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