In terms of precipitation, rainfall in Australia 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 Australia when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Australia, 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).

What are the most popular routes from Houston George Bush Intcntl Airport to Australia?

While some choose either Houston George Bush Intcntl - Melbourne or Houston George Bush Intcntl - Melbourne Avalon, Houston George Bush Intcntl - Sydney Kingsford Smith is the most popular route from Houston George Bush Intcntl Airport to Australia.

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

The top 3 most reliable airlines when flying from Houston George Bush Intcntl Airport to Australia are Lufthansa (100%), Virgin Australia (88%) and United Airlines (88%).

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

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

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

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 Australia.

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

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

$901+ Cheap Flights from Houston George Bush Intcntl Airport to Australia

Cheap flight deals from George Bush Intcntl to Australia

Enter your travel dates to find the best prices.

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Best

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Cheapest flights from George Bush Intcntl to Australia
Explore the most affordable flight options available from George Bush Intcntl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 November 2026.

Tue 1/1222:03 -

1 stop39h 22m

Tue 8/1206:25 -

2 stops46h 32m

Deal found 6/11$2,162

Tue 1/1218:10 -

2 stops43h 15m

Tue 8/1211:15 -

2 stops29h 44m

Deal found 7/11$2,167

Sat 5/1221:55 -

1 stop39h 30m

Sat 26/1213:20 -

2 stops33h 26m

Deal found 5/11$2,206

Thu 26/1112:22 -

1 stop25h 03m

Sun 6/1206:25 -

3 stops46h 32m

Deal found 10/11$2,218

Fri 13/1106:40 -

3 stops32h 55m

Fri 20/1114:05 -

3 stops27h 17m

Deal found 6/11$2,219

Sun 15/1106:00 -

2 stops31h 25m

Mon 23/1111:15 -

1 stop26h 34m

Deal found 7/11$2,223

Fri 4/1222:03 -

1 stop39h 22m

Sat 26/1213:20 -

2 stops33h 26m

Deal found 5/11$2,236

Sun 8/1118:56 -

2 stops32h 54m

Sun 15/1115:15 -

2 stops43h 57m

Deal found 7/11$2,280

Tue 8/1219:55 -

1 stop22h 05m

Thu 21/111:15 -

1 stop19h 00m

Deal found 7/11$2,283

Sat 14/1106:40 -

2 stops30h 45m

Mon 23/1111:10 -

2 stops39h 49m

Deal found 10/11$2,283

Tue 1/1221:00 -

2 stops53h 25m

Tue 8/1221:35 -

2 stops56h 35m

Deal found 6/11$2,284

Tue 8/1214:55 -

2 stops35h 30m

Tue 15/1221:35 -

2 stops56h 35m

Deal found 9/11$2,313

Best flights from George Bush Intcntl to Australia
Discover carefully curated flight deals from George Bush Intcntl to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.

Mon 5/409:22 -

2 stops45h 53m

Mon 26/423:45 -

2 stops39h 14m

Deal found 8/11$2,161

Mon 25/108:20 -

2 stops34h 05m

Sun 14/212:05 -

1 stop18h 40m

Deal found 6/11$2,258

Fri 26/207:00 -

2 stops30h 25m

Fri 5/311:15 -

2 stops29h 44m

Deal found 10/11$2,303

Mon 1/319:55 -

2 stops42h 15m

Sun 14/300:45 -

2 stops37h 46m

Deal found 8/11$2,399

Sat 30/120:25 -

Nonstop17h 35m

Sat 13/209:20 -

Nonstop15h 40m

Deal found 9/11$2,658

Mon 1/217:55 -

1 stop31h 35m

Fri 5/215:10 -

1 stop40h 20m

Deal found 10/11$2,925

Sat 6/307:00 -

1 stop32h 00m

Tue 9/310:10 -

1 stop21h 40m

Deal found 8/11$2,967

Wed 9/1215:19 -

2 stops36h 01m

Fri 1/106:30 -

2 stops25h 34m

Deal found 6/11$3,253

Tue 8/1215:05 -

3 stops61h 50m

Thu 21/110:35 -

2 stops46h 15m

Deal found 10/11$3,896

Sat 27/210:00 -

1 stop30h 30m

Sat 20/310:30 -

1 stop25h 49m

Deal found 10/11$2,174

Tue 8/1219:55 -

1 stop22h 05m

Thu 21/111:15 -

2 stops25h 30m

Deal found 9/11$2,299

Tue 9/221:49 -

2 stops45h 41m

Mon 22/200:45 -

2 stops40h 14m

Deal found 10/11$2,194

Thu 4/319:55 -

2 stops34h 10m

Tue 9/300:45 -

2 stops40h 14m

Deal found 8/11$2,500

Fri 5/319:55 -

1 stop22h 30m

Fri 12/306:00 -

2 stops24h 45m

Deal found 7/11$2,412

Thu 11/316:25 -

1 stop23h 55m

Sun 21/309:15 -

Nonstop15h 40m

Deal found 6/11$2,664

Fri 5/319:55 -

2 stops47h 35m

Sun 14/315:30 -

2 stops47h 01m

Deal found 6/11$2,270

Thu 4/319:55 -

2 stops34h 10m

Mon 8/300:45 -

2 stops40h 14m

Deal found 8/11$2,500

Thu 4/217:55 -

1 stop31h 25m

Mon 8/222:10 -

1 stop34h 20m

Deal found 10/11$2,930

Sat 5/1210:36 -

2 stops28h 24m

Tue 8/1210:10 -

2 stops27h 07m

Deal found 6/11$3,027

Mon 15/209:22 -

2 stops34h 38m

Fri 19/222:20 -

2 stops39h 10m

Deal found 9/11$2,280

Sat 2/120:25 -

Nonstop17h 35m

Mon 18/109:20 -

Nonstop15h 40m

Deal found 10/11$2,850

Wed 13/117:35 -

2 stops40h 30m

Sun 31/122:45 -

1 stop30h 45m

Deal found 9/11$2,959

Tue 16/307:00 -

2 stops34h 55m

Sat 20/308:30 -

2 stops48h 53m

Deal found 10/11$2,741

Mon 7/1214:43 -

2 stops36h 07m

Wed 13/118:50 -

2 stops39h 55m

Deal found 6/11$2,889

Thu 10/1215:19 -

2 stops34h 01m

Wed 30/1219:50 -

2 stops35h 05m

Deal found 6/11$3,508

Sat 2/120:25 -

Nonstop17h 35m

Fri 22/111:50 -

1 stop20h 00m

Deal found 7/11$2,927

Fri 5/319:55 -

3 stops42h 40m

Fri 12/312:00 -

2 stops46h 16m

Deal found 7/11$2,683

Tue 1/1219:55 -

1 stop30h 55m

Thu 10/1217:20 -

2 stops41h 28m

Deal found 6/11$3,011

Thu 7/116:33 -

1 stop20h 47m

Mon 18/109:20 -

Nonstop15h 40m

Deal found 6/11$3,136

Wed 9/1207:00 -

3 stops34h 10m

Wed 16/1223:55 -

3 stops36h 40m

Deal found 9/11$2,754

Find flight deals from George Bush Intcntl to Australia

Round-trip from	$1,476
One-way from	$901
Popular in	December
Cheapest in	May
Average price	$2,183

19/2-25/2
5 total stops
80h 31m total
Houston to Australia

Search Deals

3/2-31/12
1 total stop
28h 25m total
Houston to Australia

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($461 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($112 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 22/3

21:00-09:50

2 stops44h 50m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$921

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 7/12

18:10-06:25

2 stops43h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$978

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Wed 2/12

06:00-06:25

2 stops31h 25m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$979

HoustonPerth

IAH Houston George Bush Intcntl - PER Perth

IAHPER

Houston George Bush Intcntl

Thu 3/12

09:55-19:55

3 stops44h 00m

Perth

Wed 31/12

00:00-10:00

Nonstop0h 00m

$1,017

HoustonPerth

IAH Houston George Bush Intcntl - PER Perth

IAHPER

Houston George Bush Intcntl

Fri 19/3

21:00-19:55

3 stops57h 55m

Perth

Wed 31/12

00:00-10:00

Nonstop0h 00m

$1,020

HoustonPerth

IAH Houston George Bush Intcntl - PER Perth

IAHPER

Houston George Bush Intcntl

Sun 22/11

18:10-22:55

2 stops38h 45m

Perth

Wed 31/12

00:00-10:00

Nonstop0h 00m

$1,070

HoustonSydney

IAH Houston George Bush Intcntl - SYD Sydney Kingsford Smith

IAHSYD

Houston George Bush Intcntl

Mon 3/5

12:19-20:10

2 stops40h 51m

Sydney Kingsford Smith

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,120

HoustonMelbourne

IAH Houston George Bush Intcntl - MEL Melbourne

IAHMEL

Houston George Bush Intcntl

Mon 25/1

20:51-12:20

3 stops46h 29m

Melbourne

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,127

HoustonBrisbane

IAH Houston George Bush Intcntl - BNE Brisbane

IAHBNE

Houston George Bush Intcntl

Wed 25/11

15:17-10:45

2 stops51h 28m

Brisbane

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,183

HoustonBrisbane

IAH Houston George Bush Intcntl - BNE Brisbane

IAHBNE

Houston George Bush Intcntl

Mon 23/11

09:12-23:20

2 stops46h 08m

Brisbane

Wed 31/12

00:00-08:00

Nonstop0h 00m

$1,183

Flights are sorted by cheapest return flights first.

Deals found on 9/11

Showing 1-10 of 60 resultsSorted by cheapest first

...

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

Have a flexible travel schedule? Discover the best time to fly to Australia from George Bush Intcntl with our price prediction graph.

IAH-MEL

IAH-ADL

IAH-SYD

IAH-BNE

IAH-PER

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 Australia

IAH-AU0

IAH-MEL

IAH-ADL

IAH-SYD

IAH-BNE

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

Currently, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $1,726). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $3,046). 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 AU?

When flying from Houston George Bush Intcntl Airport to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Houston George Bush Intcntl Airport to Australia

The most flights from IAH to AU0 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).

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

The price you pay for your flight from Houston George Bush Intcntl Airport to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 21 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Australia

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

Air Canada

7.1

Good

11,886 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

PDX - YVR

1 of the flight attendant could have been more friendly. She didn’t seem happy to be working. The food was terrible.

Air Canada

7.1

Good

11,886 reviews

Air Canada

7.1

Good

11,886 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Aug 2026

PDX - YVR

1 of the flight attendant could have been more friendly. She didn’t seem happy to be working. The food was terrible.

Related info for your journey

How long is the flight from Houston George Bush Intcntl Airport to Australia?
For as low as $2,303, Air New Zealand can have you in Australia from Houston George Bush Intcntl Airport in 30h 25m. Houston George Bush Intcntl Airport and Australia 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.
What are the most popular routes from Houston George Bush Intcntl Airport to Australia?
While some choose either Houston George Bush Intcntl - Melbourne or Houston George Bush Intcntl - Melbourne Avalon, Houston George Bush Intcntl - Sydney Kingsford Smith is the most popular route from Houston George Bush Intcntl Airport to Australia.
What are the most reliable airlines from Houston George Bush Intcntl Airport to Australia?
The top 3 most reliable airlines when flying from Houston George Bush Intcntl Airport to Australia are Lufthansa (100%), Virgin Australia (88%) and United Airlines (88%).
Can I find deals for flights from George Bush Intcntl to Australia that include hotel bookings?
Yes. In addition to deals on George Bush Intcntl to Australia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from George Bush Intcntl to Australia?
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 Australia.
Can I find deals for business class flights from George Bush Intcntl to Australia?
Yes. Cheapflights offers flight deals from George Bush Intcntl to Australia 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 Australia?
Currently, May is the cheapest month in which you can book a flight from Houston George Bush Intcntl Airport to Australia (average of $1,726). Flying from Houston George Bush Intcntl Airport to Australia in December is currently the most expensive (average of $3,046). 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.

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Top airline flying from George Bush Intcntl to Australia

Airline	Cheapest	Average	Flexibility	On-time
Air Canada	Cheapest$2,027	Average$2,344	FlexibilityNo cancel fee	On-time67%	Search Air Canada flights

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Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from George Bush Intcntl to Australia. 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 George Bush Intcntl to Australia?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Australia from George Bush Intcntl.

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

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

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Cheap flights from Houston George Bush Intcntl Airport to Australia from $901

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/2. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from George Bush Intcntl to Australia

Cheapest flights from George Bush Intcntl to AustraliaExplore the most affordable flight options available from George Bush Intcntl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 November 2026.

Explore the most affordable flight options available from George Bush Intcntl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 November 2026.

Best flights from George Bush Intcntl to AustraliaDiscover carefully curated flight deals from George Bush Intcntl to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.

Discover carefully curated flight deals from George Bush Intcntl to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.

Direct flights from George Bush Intcntl to AustraliaExplore direct flight options from George Bush Intcntl to Australia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 November 2026.

Explore direct flight options from George Bush Intcntl to Australia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 November 2026.

Last-minute flights from George Bush Intcntl to AustraliaDiscover last-minute flight deals from George Bush Intcntl to Australia. Data last updated 11 November 2026 and is based on user searches.

Discover last-minute flight deals from George Bush Intcntl to Australia. Data last updated 11 November 2026 and is based on user searches.

One-way flights from George Bush Intcntl to AustraliaSearch for one-way flight options from George Bush Intcntl to Australia. Find affordable one-way fares based on user searches. Data last updated 11 November 2026.

Search for one-way flight options from George Bush Intcntl to Australia. Find affordable one-way fares based on user searches. Data last updated 11 November 2026.

Find flight deals from George Bush Intcntl to Australia

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Cheapflights Fare Finder

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

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

Have a flexible travel schedule? Discover the best time to fly to Australia from George Bush Intcntl with our price prediction graph.

Cheapflights Insights

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

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

Find hourly flight availability from George Bush Intcntl to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 11 November 2026.

When flying from Houston George Bush Intcntl Airport to Australia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Weekly flight availability from Houston George Bush Intcntl Airport to Australia

The most flights from IAH to AU0 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).

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

The price you pay for your flight from Houston George Bush Intcntl Airport to Australia may vary depending on when you book. For the best chance of a lower fare, look to book 21 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Australia

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

Related info for your journey

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

What are the most popular routes from Houston George Bush Intcntl Airport to Australia?

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

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

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

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

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

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.

Alternative routes for George Bush Intcntl to Australia

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Australia by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to

Book a non-stop flight to one of these other cities located in .

Search flights from George Bush Intcntl to Australia by cabin class

Find flights from George Bush Intcntl to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

George Bush Intcntl and Australia flights

Browse other George Bush Intcntl and Australia flight options. Last updated on 11 November 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly to Australia regions

Consider these flights travelling to Australia regions.

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Cheapest flights from George Bush Intcntl to Australia
Explore the most affordable flight options available from George Bush Intcntl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 11 November 2026.

Best flights from George Bush Intcntl to Australia
Discover carefully curated flight deals from George Bush Intcntl to Australia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 November 2026.

Direct flights from George Bush Intcntl to Australia
Explore direct flight options from George Bush Intcntl to Australia based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 November 2026.

Last-minute flights from George Bush Intcntl to Australia
Discover last-minute flight deals from George Bush Intcntl to Australia. Data last updated 11 November 2026 and is based on user searches.

One-way flights from George Bush Intcntl to Australia
Search for one-way flight options from George Bush Intcntl to Australia. Find affordable one-way fares based on user searches. Data last updated 11 November 2026.