How long is the flight from Houston George Bush Intcntl Airport to Sydney?

For as low as $1,149, United Airlines can have you in Sydney from Houston George Bush Intcntl Airport in 17h 30m. Airlines will cover a distance of 8591 mi. All flights are typically nonstop.

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 $337. Other airlines that can offer you cheap pricing are Qantas Airways, from $799, and American Airlines, from $825. These flights start at 72% lower than the current average price 3 months from now.

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

One-way options have recently been found by users for as low as $404 on American Airlines. Other airlines that offer cheap prices include Qantas Airways from $424 and United Airlines from $808 one-way.

Weekly flight availability from Houston George Bush Intcntl Airport to Sydney

The most flights from IAH to SYD are scheduled on a Monday (3 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (3 on average).

In terms of precipitation, rainfall in Sydney ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Sydney when rainfall is around 2.0 in.

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 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

What are the cheapest flights from Houston George Bush Intcntl Airport to Sydney?

While on average a flight from Houston George Bush Intcntl Airport to Sydney is generally $1,321, our data shows the cheapest flight currently is $846. When looking at the most popular route, (Houston George Bush Intcntl - Sydney Kingsford Smith), you can expect to pay $802 for that flight.

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

Before booking your flight to Sydney from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: Virgin Australia (71%), United Airlines (71%), Lufthansa( 71%).

What are the most popular airlines that fly from Houston George Bush Intcntl Airport to Sydney?

When booking a flight from Houston George Bush Intcntl Airport to Sydney, you may want to consider flying on United Airlines, Air New Zealand or American Airlines as they are the most popular for this route.

Most accurate provider : When it comes to deals on Houston George Bush Intcntl Airport-Sydney flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Houston George Bush Intcntl Airport-Sydney flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Sydney flight searches over the past month and is updated monthly.

Most trusted provider : When it comes to deals on Houston George Bush Intcntl Airport-Sydney flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

What airport do you fly into for flights to Sydney from Houston George Bush Intcntl?

Sydney Kingsford Smith (SYD), located 4.6 mi from the city center, is the airport you fly into when you book flights from Houston George Bush Intcntl to Sydney. 7 airlines have flights to Kingsford Smith from Houston George Bush Intcntl on a regular basis. Booking flights from Houston George Bush Intcntl to Sydney Kingsford Smith should not be difficult; the airport handles an average of 3 inbound flights from Houston George Bush Intcntl per day.

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 vacation 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.

$537+ Flights from Houston George Bush Intcntl Airport to Sydney

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Cheapflights Tip: The best prices from Houston George Bush Intcntl to Sydney Kingsford Smith are usually found in April or March, booked 16 days in advance, depart on a Monday or Friday and return on a Monday

Cheap 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 December 18, 2025.

Fri 12/2610:28 pmIAH - SYD

2 stops39h 57mMultiple Airlines

Sat 1/315:45 pmSYD - IAH

1 stop23h 10mMultiple Airlines

Deal found 12/16

$1,179

Wed 12/249:34 pmIAH - SYD

2 stops40h 51mMultiple Airlines

Wed 1/145:45 pmSYD - IAH

1 stop23h 34mMultiple Airlines

Deal found 12/15

$1,200

Mon 12/298:59 pmIAH - SYD

1 stop41h 26mMultiple Airlines

Sat 1/315:45 pmSYD - IAH

2 stops22h 54mMultiple Airlines

Deal found 12/16

$1,208

Thu 12/256:00 amIAH - SYD

2 stops32h 25mMultiple Airlines

Wed 1/145:45 pmSYD - IAH

1 stop23h 34mMultiple Airlines

Deal found 12/15

$1,216

Wed 12/249:34 pmIAH - SYD

2 stops40h 51mMultiple Airlines

Wed 12/315:45 pmSYD - IAH

1 stop19h 54mMultiple Airlines

Deal found 12/15

$1,286

Tue 12/307:59 pmIAH - SYD

1 stop42h 26mMultiple Airlines

Thu 2/55:00 pmSYD - IAH

2 stops24h 19mMultiple Airlines

Deal found 12/15

$1,301

Tue 12/307:59 pmIAH - SYD

1 stop42h 26mMultiple Airlines

Tue 2/35:00 pmSYD - IAH

2 stops24h 19mMultiple Airlines

Deal found 12/15

$1,302

Thu 12/256:00 amIAH - SYD

2 stops32h 25mMultiple Airlines

Wed 12/315:45 pmSYD - IAH

1 stop19h 54mMultiple Airlines

Deal found 12/15

$1,303

Tue 12/307:59 pmIAH - SYD

1 stop42h 26mMultiple Airlines

Fri 2/69:30 pmSYD - IAH

2 stops43h 49mMultiple Airlines

Deal found 12/15

$1,316

Sun 12/288:59 pmIAH - SYD

1 stop41h 26mMultiple Airlines

Sat 1/315:45 pmSYD - IAH

1 stop23h 10mMultiple Airlines

Deal found 12/16

$1,322

Best flights from George Bush Intcntl to Sydney
Discover carefully curated flight deals from George Bush Intcntl to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated December 18, 2025.

Mon 3/99:30 pmIAH - SYD

Nonstop17h 30mUnited Airlines

Tue 3/1711:50 amSYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 12/16

$1,149

Tue 3/109:30 pmIAH - SYD

Nonstop17h 30mUnited Airlines

Tue 3/2411:50 amSYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 12/16

$1,149

Tue 2/248:25 pmIAH - SYD

Nonstop17h 35mUnited Airlines

Wed 3/1111:50 amSYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 12/15

$1,149

Sun 2/18:25 pmIAH - SYD

Nonstop17h 35mUnited Airlines

Sun 2/1511:50 amSYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 12/16

$1,150

Wed 2/184:25 pmIAH - SYD

1 stop20h 55mUnited Airlines

Mon 3/911:50 amSYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 12/15

$1,153

Mon 3/92:25 pmIAH - SYD

1 stop26h 50mUnited Airlines

Wed 3/1811:50 amSYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 12/16

$1,153

Last-minute flights from George Bush Intcntl to Sydney
Discover last-minute flight deals from George Bush Intcntl to Sydney. Data last updated December 18, 2025 and is based on user searches.

Fri 12/2610:28 pmIAH - SYD

2 stops39h 57mMultiple Airlines

Sat 1/315:45 pmSYD - IAH

1 stop23h 10mMultiple Airlines

Deal found 12/16

$1,179

Mon 1/123:22 pmIAH - SYD

1 stop24h 53mUnited Airlines

Mon 1/1911:50 amSYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 12/15

$1,153

Mon 1/123:02 pmIAH - SYD

2 stops25h 13mUnited Airlines

Wed 2/1811:50 amSYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 12/15

$1,158

Tue 1/133:22 pmIAH - SYD

1 stop24h 53mUnited Airlines

Mon 2/1611:50 amSYD - IAH

Nonstop15h 35mUnited Airlines

Deal found 12/15

$1,150

Tue 1/209:33 pmIAH - SYD

3 stops43h 17mMultiple Airlines

Sat 1/316:20 amSYD - IAH

3 stops34h 35mMultiple Airlines

Deal found 12/16

$1,131

Wed 1/285:25 pmIAH - SYD

2 stops28h 15mAir Canada

Sun 2/111:20 amSYD - IAH

1 stop22h 04mAir Canada

Deal found 12/15

$1,069

Thu 1/294:13 pmIAH - SYD

2 stops27h 22mMultiple Airlines

Sun 2/12:00 pmSYD - IAH

2 stops27h 19mMultiple Airlines

Deal found 12/15

$1,015

Thu 1/295:25 pmIAH - SYD

2 stops46h 15mAir Canada

Thu 2/511:20 amSYD - IAH

2 stops24h 21mAir Canada

Deal found 12/15

$1,169

Thu 1/295:25 pmIAH - SYD

2 stops30h 15mAir Canada

Sun 2/17:15 pmSYD - IAH

2 stops38h 09mAir Canada

Deal found 12/16

$1,175

One-way flights from George Bush Intcntl to Sydney
Search for one-way flight options from George Bush Intcntl to Sydney. Find affordable one-way fares based on user searches. Data last updated December 18, 2025.

Sat 2/144:34 pmIAH - SYD

1 stop21h 51mMultiple Airlines

Deal found 12/17

$537

Wed 4/14:49 pmIAH - SYD

1 stop22h 41mMultiple Airlines

Deal found 12/16

$538

Mon 3/234:49 pmIAH - SYD

1 stop22h 36mMultiple Airlines

Deal found 12/16

$547

Tue 3/314:49 pmIAH - SYD

1 stop22h 41mMultiple Airlines

Deal found 12/16

$548

Tue 4/2111:38 amIAH - SYD

2 stops28h 52mMultiple Airlines

Deal found 12/16

$554

Tue 3/104:49 pmIAH - SYD

1 stop22h 36mMultiple Airlines

Deal found 12/14

$570

Sun 3/14:34 pmIAH - SYD

2 stops48h 16mMultiple Airlines

Deal found 12/16

$571

Tue 3/244:49 pmIAH - SYD

1 stop22h 36mMultiple Airlines

Deal found 12/16

$581

Sun 4/194:49 pmIAH - SYD

1 stop23h 41mMultiple Airlines

Deal found 12/16

$582

Thu 3/53:18 pmIAH - SYD

3 stops45h 52mMultiple Airlines

Deal found 12/14

$588

Find flight deals from George Bush Intcntl to Sydney

Most accurate provider	eDreams 3 stars
Most trusted provider	eDreams 3 stars
Round-trip from	$876 (flugladen.de)
One-way from	$537 (Kiwi.com)
Popular in	December
Cheapest in	April
Average price	$1,746
Good round-trip deal	$1,546 or less
Good one-way deal	$846 or less

Provider with most accurate pricing for Houston George Bush Intcntl-Sydney Kingsford Smith flight deals.

Search Deals

Provider most trusted by Cheapflights users for Houston George Bush Intcntl-Sydney Kingsford Smith flights.

Search Deals

From Houston George Bush Intcntl to Sydney Kingsford Smith

Search Deals

One-way flight from Houston George Bush Intcntl to Sydney Kingsford Smith

Search Deals

Highest demand for flights based on searches. 19% potential increase in price ($299 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in December 2025

Search Deals

Price to beat on a round-trip flight from Houston George Bush Intcntl to Sydney Kingsford Smith.

Search Deals

Price to beat on a one-way flight from Houston George Bush Intcntl to Sydney Kingsford Smith.

Search Deals

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 3/9

9:30 pm-7:00 am

Nonstop17h 30m

Sydney Kingsford Smith

Tue 3/17

11:50 am-11:25 am

Nonstop15h 35m

$1,149

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 3/10

9:30 pm-7:00 am

Nonstop17h 30m

Sydney Kingsford Smith

Tue 3/24

11:50 am-11:25 am

Nonstop15h 35m

$1,149

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 2/24

8:25 pm-7:00 am

Nonstop17h 35m

Sydney Kingsford Smith

Wed 3/11

11:50 am-11:25 am

Nonstop15h 35m

$1,149

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 2/1

8:25 pm-7:00 am

Nonstop17h 35m

Sydney Kingsford Smith

Sun 2/15

11:50 am-10:25 am

Nonstop15h 35m

$1,150

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 2/18

4:25 pm-6:20 am

1 stop20h 55m

Sydney Kingsford Smith

Mon 3/9

11:50 am-11:25 am

Nonstop15h 35m

$1,153

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 3/9

2:25 pm-9:15 am

1 stop26h 50m

Sydney Kingsford Smith

Wed 3/18

11:50 am-11:25 am

Nonstop15h 35m

$1,153

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 4/1

4:49 pm-7:30 am

1 stop22h 41m

$538

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 4/30

4:49 pm-7:30 am

1 stop23h 41m

$538

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 4/16

4:49 pm-7:30 am

1 stop23h 41m

$548

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 3/31

4:49 pm-7:30 am

1 stop22h 41m

$548

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/16

Showing 1-10 of 15 results

Compare providers for flights from George Bush Intcntl to Sydney

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Sydney in December.

Provider	Price Accuracy	Trust Score*
Expedia	Price Accuracy2 stars	Trust Score*3 stars
FlightHub	Price Accuracy3 stars	Trust Score*1 star
eDreams	Price Accuracy3 stars	Trust Score*3 stars
AranGrant	Price Accuracy2 stars	Trust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

Most accurate provider: When it comes to deals on Houston George Bush Intcntl Airport-Sydney flights, users find the pricing of eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Houston George Bush Intcntl Airport-Sydney flight deals on Cheapflights vs. eDreams >95% of the time. Price accuracy is based on data collected from Houston George Bush Intcntl Airport-Sydney flight searches over the past month and is updated monthly.
Most trusted provider: When it comes to deals on Houston George Bush Intcntl Airport-Sydney flights, Cheapflights users trust eDreams the most. eDreams has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Houston George Bush Intcntl Airport-Sydney flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 round-trip 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

Prices

Airlines

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

To ensure you get the cheapest price possible for a flight from Houston George Bush Intcntl Airport to Sydney, you should look to book at least 16 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 $506). Flying from Houston George Bush Intcntl Airport to Sydney in December is currently the most expensive (average of $861). 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?

One of the essential ways to save on airfare from Houston George Bush Intcntl Airport to Sydney is to remain as flexible as possible. Flights that are in the evening tend to be the most expensive. A flight at noon could potentially save you up to 49% on airfare.

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Sydney?

Travelers seeking maximum savings on their Houston George Bush Intcntl Airport to Sydney flight should consider departing on Wednesday at noon when fares are most often at their lowest. Saturday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

The best insider tips for Houston George Bush Intcntl Airport to Sydney flights

Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to Sydney trip

Airports

IAH

Check security wait times on the IAH website to plan your arrival at the airport efficiently.

SYD

Use the T8 Airport Line for a quick 15-25 minute ride to central Sydney after clearing customs.

Our travel experts

Evie Carrick

Expert on IAH

John Walton

Expert on SYD

Reviews of airlines servicing Sydney

Get a feel of what it's like to fly with Fiji Airways, Air New Zealand, and Qantas Airways from Houston George Bush Intcntl Airport to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Fiji Airways

8.1

Very good

210 reviews

Reviews

1 / 17

10.0

Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Fiji Airways

8.1

Very good

210 reviews

Fiji Airways

8.1

Very good

210 reviews

Reviews

1 / 17

10.0

Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Air New Zealand

8.0

Very good

552 reviews

Fiji Airways

8.1

Very good

210 reviews

Reviews

1 / 17

10.0

Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Qantas Airways

7.5

Good

946 reviews

Fiji Airways

8.1

Very good

210 reviews

Reviews

1 / 17

10.0

Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

United Airlines

7.4

Good

9,092 reviews

Fiji Airways

8.1

Very good

210 reviews

Reviews

1 / 17

10.0

Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

American Airlines

7.2

Good

11,053 reviews

Fiji Airways

8.1

Very good

210 reviews

Reviews

1 / 17

10.0

Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Related info for your journey

What airport do you fly into for flights to Sydney from Houston George Bush Intcntl?
Sydney Kingsford Smith (SYD), located 4.6 mi from the city center, is the airport you fly into when you book flights from Houston George Bush Intcntl to Sydney. 7 airlines have flights to Kingsford Smith from Houston George Bush Intcntl on a regular basis. Booking flights from Houston George Bush Intcntl to Sydney Kingsford Smith should not be difficult; the airport handles an average of 3 inbound flights from Houston George Bush Intcntl per day.
How long is the flight from Houston George Bush Intcntl Airport to Sydney?
For as low as $1,149, United Airlines can have you in Sydney from Houston George Bush Intcntl Airport in 17h 30m. Airlines will cover a distance of 8591 mi. All flights are typically nonstop.
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 $337. Other airlines that can offer you cheap pricing are Qantas Airways, from $799, and American Airlines, from $825. These flights start at 72% lower than the current average price 3 months from now.
What are the cheapest airlines to fly from Houston George Bush Intcntl Airport to Sydney one-way?
One-way options have recently been found by users for as low as $404 on American Airlines. Other airlines that offer cheap prices include Qantas Airways from $424 and United Airlines from $808 one-way.
What are the most reliable airlines from Houston George Bush Intcntl Airport to Sydney?
Before booking your flight to Sydney from Houston George Bush Intcntl Airport, check out the most reliable airlines to get you to your destination on time: Virgin Australia (71%), United Airlines (71%), Lufthansa( 71%).
What are the cheapest flights from Houston George Bush Intcntl Airport to Sydney?
While on average a flight from Houston George Bush Intcntl Airport to Sydney is generally $1,321, our data shows the cheapest flight currently is $846. When looking at the most popular route, (Houston George Bush Intcntl - Sydney Kingsford Smith), you can expect to pay $802 for that flight.
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 vacation 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 $506). Flying from Houston George Bush Intcntl Airport to Sydney in December is currently the most expensive (average of $861). 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

Parramatta

Wollongong

Manly

Coogee

Browse thousands of different options on Cheapflights for your next trip

Other flights to Sydney

Top 7 airlines flying from George Bush Intcntl to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Delta	Cheapest$337	Average$963	FlexibilityNo cancel fee	On-timeN/A
Qantas Airways	Cheapest$799	Average$926	FlexibilityNo cancel fee	On-time74%
American Airlines	Cheapest$825	Average$856	FlexibilityNo cancel fee	On-time71%
United Airlines	Cheapest$876	Average$1,790	FlexibilityNo cancel fee	On-time69%
Air New Zealand	Cheapest$957	Average$1,380	FlexibilityNo cancel fee	On-time78%
Fiji Airways	Cheapest$983	Average$1,161	FlexibilityNo cancel fee	On-time74%
Air Canada	Cheapest$1,037	Average$1,331	FlexibilityNo cancel fee	On-time67%

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$537+ Cheap flights from George Bush Intcntl (IAH) to Sydney (SYD)

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 2/14. Fares are subject to change and may not be available on all flights or dates of travel.

Find cheap flights from George Bush Intcntl to Sydney with Cheapflights

1. Tell us where you want to go

2. Select your favorite providers

3. Compare prices and book

Cheapflights Tip: The best prices from Houston George Bush Intcntl to Sydney Kingsford Smith are usually found in April or March, booked 16 days in advance, depart on a Monday or Friday and return on a Monday

Cheap flight deals from George Bush Intcntl to Sydney

Cheapest flights from George Bush Intcntl to SydneyExplore 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 December 18, 2025.

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 December 18, 2025.

Find flight deals from George Bush Intcntl to Sydney

Most accurate provider

Most trusted provider

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Good round-trip deal

Good one-way deal

Cheapflights Fare Finder

Use the filters below to find and compare flights from Houston George Bush Intcntl Airport to Sydney that are best for you.

Compare providers for flights from George Bush Intcntl to Sydney

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.

Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from George Bush Intcntl to Sydney in December.

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.

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?

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

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

What is the cheapest day to fly from Houston George Bush Intcntl Airport to Sydney?

Weekly flight availability from Houston George Bush Intcntl Airport to Sydney

The best insider tips for Houston George Bush Intcntl Airport to Sydney flights

AI-powered summary based on content written by travel experts. AI can make mistakes.

Cheapflights partnered with top experts to bring you the best recommendations for your Houston George Bush Intcntl Airport to Sydney trip

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Get a feel of what it's like to fly with Fiji Airways, Air New Zealand, and Qantas Airways from Houston George Bush Intcntl Airport to Sydney by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

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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.

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What are the cheapest flights from Houston George Bush Intcntl Airport to Sydney?

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Top 7 airlines flying from George Bush Intcntl to Sydney

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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 December 18, 2025.