How many flights depart from Houston to Australia on average per week?

The number of flights available between Houston and Australia is 21 per week as of December 2025. The most frequent departure day is Mon, with 14% of weekly flights leaving on this day.

What airlines fly to Australia?

Air New Zealand, American Airlines and United Airlines are the top three most popular airlines that fly to Australia from Houston according to our data. Air New Zealand is the first choice among our users, with 45% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 7 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Houston to Australia?

Philippine Airlines, American Airlines, and Qantas Airways are the most popular carriers operating from Houston to Australia

How many flights depart from Houston to Australia on average per day?

As of December 2025, there are 3 flights per day flying from Houston to Australia. The most common time of day flights depart is 8:00PM, with 100% of flights taking off in the evening.

When did momondo last update prices for flights from Houston to Australia?

Prices for flights from Houston to Australia are updated daily.

How many operators does momondo search for flights from Houston to Australia?

As of December 2025, there are 7 operators available to choose from for flights from Houston to Australia.

How old do you have to be to fly from Houston to Australia?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Australia.

What documentation or ID do you need to fly to Australia?

The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$521 Cheap Flights from Houston to Australia in 2025/26

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Houston to Australia

Round-trip

One-way

Last minute

Direct

Cheap round-trip flights

Enter your travel dates to find the best prices.

4:13 pm - 10:05 pm

IAH

SYD

36h 52m2 stops

6:00 am - 12:19 am

SYD

IAH

35h 19m2 stops

$858Multiple Airlines

Wed, Feb 4 - Wed, Feb 11

4:13 pm - 5:10 pm

IAH

BNE

32h 57m2 stops

7:40 pm - 12:19 am

BNE

IAH

20h 39m1 stop

$880Multiple Airlines

Tue, Feb 3 - Tue, Feb 10

7:30 pm - 9:00 am

IAH

SYD

20h 30m1 stop

11:20 am - 7:11 pm

SYD

IAH

23h 51m1 stop

$958American Airlines

Wed, Feb 18 - Mon, Mar 9

2:25 pm - 9:00 am

IAH

SYD

25h 35m2 stops

11:20 am - 7:11 pm

SYD

IAH

23h 51m1 stop

$962American Airlines

Wed, Feb 18 - Mon, Mar 9

8:05 pm - 9:25 am

IAH

MEL

20h 20m1 stop

10:35 am - 10:31 pm

MEL

IAH

27h 56m2 stops

$1,117Air New Zealand

Wed, Mar 4 - Tue, Mar 17

8:05 pm - 9:25 am

IAH

MEL

20h 20m1 stop

12:10 pm - 2:05 pm

MEL

IAH

18h 55m1 stop

$1,122Air New Zealand

Sun, Feb 1 - Wed, Feb 25

5:19 pm - 8:20 am

HOU

BNE

47h 01m2 stops

9:40 am - 10:39 am

BNE

HOU

39h 59m2 stops

$1,227Delta

Thu, Mar 5 - Sun, Mar 15

5:45 am - 8:00 am

HOU

MEL

33h 15m2 stops

10:10 am - 10:33 pm

MEL

HOU

29h 23m2 stops

$1,617Delta

Wed, Feb 4 - Wed, Feb 11

4:20 pm - 5:10 pm

HOU

BNE

32h 50m2 stops

6:30 pm - 11:47 am

BNE

HOU

33h 17m2 stops

$1,647Qantas Airways

Sun, Feb 22 - Sat, Feb 28

12:17 pm - 5:10 pm

HOU

BNE

36h 53m2 stops

8:30 am - 11:48 am

BNE

HOU

42h 18m2 stops

$1,656Qantas Airways

Wed, Feb 18 - Thu, Mar 12

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

Feb 18

IAH7:30 pmHouston George Bush Intcntl

20h 30m

1 stop

SYD9:00 amSydney Kingsford Smith

Mar 9

SYD11:20 amSydney Kingsford Smith

23h 51m

1 stop

IAH7:11 pmHouston George Bush Intcntl

$958

Find similar

American Airlines

Feb 18

IAH2:25 pmHouston George Bush Intcntl

25h 35m

2 stops

SYD9:00 amSydney Kingsford Smith

Mar 9

SYD11:20 amSydney Kingsford Smith

23h 51m

1 stop

IAH7:11 pmHouston George Bush Intcntl

$962

Find similar

American Airlines

Mar 10

IAH4:36 pmHouston George Bush Intcntl

24h 24m

2 stops

SYD9:00 amSydney Kingsford Smith

Mar 24

SYD5:45 pmSydney Kingsford Smith

22h 10m

2 stops

IAH11:55 pmHouston George Bush Intcntl

$963

Find similar

Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets

Qantas Airways

Apr 18

IAH7:46 pmHouston George Bush Intcntl

20h 44m

1 stop

SYD7:30 amSydney Kingsford Smith

Apr 26

SYD9:10 amSydney Kingsford Smith

25h 06m

1 stop

IAH7:16 pmHouston George Bush Intcntl

$983

Find similar

Qantas Airways

Feb 22

HOU4:20 pmHouston Hobby

32h 50m

2 stops

BNE5:10 pmBrisbane

Feb 28

BNE6:30 pmBrisbane

33h 17m

2 stops

HOU11:47 amHouston Hobby

$1,647

Find similar

Qantas Airways

Dec 26

IAH12:15 pmHouston George Bush Intcntl

24h 55m

2 stops

SYD6:10 amSydney Kingsford Smith

Jan 1

SYD7:05 amSydney Kingsford Smith

28h 53m

2 stops

IAH6:58 pmHouston George Bush Intcntl

$1,652

Find similar

Fly from

Fly to

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 2/4

4:13 pm-10:05 pm

2 stops36h 52m

Sydney Kingsford Smith

Wed 2/11

6:00 am-12:19 am

2 stops35h 19m

$858

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 2/3

4:13 pm-5:10 pm

2 stops32h 57m

Brisbane

Tue 2/10

7:40 pm-12:19 am

1 stop20h 39m

$880

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 2/18

7:30 pm-9:00 am

1 stop20h 30m

Sydney Kingsford Smith

Mon 3/9

11:20 am-7:11 pm

1 stop23h 51m

$958

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 2/18

2:25 pm-9:00 am

2 stops25h 35m

Sydney Kingsford Smith

Mon 3/9

11:20 am-7:11 pm

1 stop23h 51m

$962

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 3/4

8:05 pm-9:25 am

1 stop20h 20m

Melbourne

Tue 3/17

10:35 am-10:31 pm

2 stops27h 56m

$1,117

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Sun 2/1

8:05 pm-9:25 am

1 stop20h 20m

Melbourne

Wed 2/25

12:10 pm-2:05 pm

1 stop18h 55m

$1,122

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Thu 3/5

5:19 pm-8:20 am

2 stops47h 01m

Brisbane

Sun 3/15

9:40 am-10:39 am

2 stops39h 59m

$1,227

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Wed 2/4

5:45 am-8:00 am

2 stops33h 15m

Melbourne

Wed 2/11

10:10 am-10:33 pm

2 stops29h 23m

$1,617

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Sun 2/22

4:20 pm-5:10 pm

2 stops32h 50m

Brisbane

Sat 2/28

6:30 pm-11:47 am

2 stops33h 17m

$1,647

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Wed 2/18

12:17 pm-5:10 pm

2 stops36h 53m

Brisbane

Thu 3/12

8:30 am-11:48 am

2 stops42h 18m

$1,656

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Houston to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Australia?

The month of July is, on average, the cheapest month to fly to Australia from Houston, with most prices found around $853. If you aren’t able to travel during the month of July, then book flights to Australia from Houston during March instead. Flights to Australia in March, while not as cheap as those in July, still average around $895.

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from Houston to Australia is on a Tuesday. Travelers who choose to depart for Australia on a Tuesday will often find tickets for as low as $1,171. On the other hand, Thursday is the most expensive day to depart from Houston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,370.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from Houston at noon is the least expensive time of day to depart. momondo users have found prices as low as $868 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,719 on average. Flights to Australia from Houston in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

What is the cheapest Houston to Australia flight route?

Fly from Houston George Bush Intcntl to Sydney Kingsford Smith for the best Houston - Australia flight prices

How far in advance should I book a flight to Australia?

You are more likely to see cheaper flights to Australia from Houston when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,107 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Houston for as low as $863 on momondo.

What cabin class options are available on Houston to Australia flights?

There are 3 cabin classes available to choose from on Houston to Australia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Cheap Houston to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston to Australia

Fastest flight time	17h 35m
Direct flights	Every day
Airports in Australia	266 airports

The fastest flight from Houston to Australia takes 17h 35m

Direct flights go from Houston to Australia every day.

There are 266 airports in Australia. From Houston there are direct flights to Sydney Kingsford Smith (SYD).

Search flight deals

When did momondo last update prices for flights from Houston to Australia?
Prices for flights from Houston to Australia are updated daily.
How many operators does momondo search for flights from Houston to Australia?
As of December 2025, there are 7 operators available to choose from for flights from Houston to Australia.
How old do you have to be to fly from Houston to Australia?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Houston to Australia

Compare and see reviews for airlines that fly from Houston to Australia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $337	Free Cancellation	Rating 7.9 8,014 reviews	Search Delta flights
Air Canada	PriceFrom $750	Free Cancellation	Rating 7.1 10,551 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $783	Free Cancellation	Rating 8.0 556 reviews	Search Air New Zealand flights
Fiji Airways	PriceFrom $790	Free Cancellation	Rating 8.0 211 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $799	Free Cancellation	Rating 7.5 949 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $818	Free Cancellation	Rating 7.2 11,054 reviews	Search American Airlines flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 9,105 reviews	Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Houston to Australia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Houston to Australia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Houston to Australia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Houston to Australia flights to just show those with flexible booking policies.

How can momondo help me find flights from Houston to Australia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Houston to Australia.

I’m not ready to book a flight from Houston to Australia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Houston to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.