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

Alaska Airlines, Air New Zealand, and Delta are the most popular carriers operating from Houston to Australia

What airlines fly to Australia?

Air New Zealand, United Airlines and American 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 69% 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.

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 July 2026, 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.

$584 Cheap Flights from Houston to Australia in 2026

Discover deals from 900+ travel sites with momondo.

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.

10:30 am - 12:05 pm

IAH

MEL

34h 35m

3 stops

1:20 pm - 11:58 pm

MEL

IAH

25h 38m

2 stops

$1,067Multiple Airlines

Tue, Sep 22 - Mon, Sep 28

9:59 pm - 7:30 am

IAH

SYD

41h 31m

1 stop

2:00 pm - 11:26 am

SYD

IAH

37h 26m

2 stops

$1,095Multiple Airlines

Sun, Oct 18 - Tue, Oct 27

8:55 pm - 10:40 am

IAH

SYD

21h 45m

1 stop

11:50 am - 8:38 pm

SYD

IAH

24h 48m

2 stops

$1,282Air New Zealand

Mon, Oct 19 - Wed, Oct 28

9:55 pm - 10:55 am

IAH

MEL

22h 00m

1 stop

8:35 am - 8:42 pm

MEL

IAH

28h 07m

2 stops

$1,287Air New Zealand

Wed, Sep 16 - Wed, Oct 21

8:25 pm - 7:00 am

IAH

SYD

17h 35mnonstop

9:15 am - 7:55 am

SYD

IAH

15h 40mnonstop

$1,451United Airlines

Mon, Nov 16 - Sun, Nov 29

6:46 pm - 9:05 am

IAH

SYD

21h 19m

1 stop

9:15 am - 7:55 am

SYD

IAH

15h 40mnonstop

$1,456United Airlines

Mon, Nov 16 - Sun, Nov 29

2:25 pm - 6:50 am

HOU

SYD

25h 25m

2 stops

10:15 am - 11:03 pm

SYD

HOU

28h 48m

2 stops

$1,471Delta

Mon, Sep 28 - Tue, Oct 6

11:12 am - 7:50 am

HOU

SYD

28h 38m

2 stops

9:40 am - 11:03 pm

SYD

HOU

29h 23m

2 stops

$1,471Delta

Mon, Oct 19 - Wed, Oct 28

9:30 am - 7:05 am

IAH

BNE

30h 35m

2 stops

10:15 am - 7:06 pm

BNE

IAH

47h 51m

2 stops

$1,484Air Canada

Tue, Sep 8 - Tue, Sep 15

4:45 pm - 7:05 am

IAH

BNE

23h 20m

1 stop

10:15 am - 7:06 pm

BNE

IAH

47h 51m

2 stops

$1,486Air Canada

Tue, Sep 8 - Tue, Sep 15

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American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

Sep 21

HOU9:33 amHouston Hobby

30h 22m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 7

SYD1:00 pmSydney Kingsford Smith

19h 36m

1 stop

HOU4:36 pmHouston Hobby

$1,833

American Airlines

Oct 24

HOU5:06 pmHouston Hobby

21h 49m

1 stop

SYD6:55 amSydney Kingsford Smith

Nov 20

SYD2:05 pmSydney Kingsford Smith

19h 32m

1 stop

HOU4:37 pmHouston Hobby

$1,834

American Airlines

Sep 21

HOU6:19 pmHouston Hobby

21h 36m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 7

SYD6:50 pmSydney Kingsford Smith

20h 59m

2 stops

HOU11:49 pmHouston Hobby

$1,837

Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets

Qantas Airways

Nov 3

HOU2:07 pmHouston Hobby

21h 53m

1 stop

MEL5:00 amMelbourne

Nov 14

MEL12:00 pmMelbourne

18h 37m

1 stop

HOU1:37 pmHouston Hobby

$1,838

Qantas Airways

Nov 3

HOU2:07 pmHouston Hobby

21h 53m

1 stop

MEL5:00 amMelbourne

Nov 14

MEL12:00 pmMelbourne

21h 32m

1 stop

HOU4:32 pmHouston Hobby

$1,839

Qantas Airways

Dec 28

HOU4:17 pmHouston Hobby

21h 38m

1 stop

SYD6:55 amSydney Kingsford Smith

Jan 19

SYD2:05 pmSydney Kingsford Smith

19h 06m

1 stop

HOU4:11 pmHouston Hobby

$1,850

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Tue 9/22

10:30 am-12:05 pm

3 stops34h 35m

Melbourne

Mon 9/28

1:20 pm-11:58 pm

2 stops25h 38m

$1,067

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 10/18

9:59 pm-7:30 am

1 stop41h 31m

Sydney Kingsford Smith

Tue 10/27

2:00 pm-11:26 am

2 stops37h 26m

$1,095

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 10/19

8:55 pm-10:40 am

1 stop21h 45m

Sydney Kingsford Smith

Wed 10/28

11:50 am-8:38 pm

2 stops24h 48m

$1,282

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 9/16

9:55 pm-10:55 am

1 stop22h 00m

Melbourne

Wed 10/21

8:35 am-8:42 pm

2 stops28h 07m

$1,287

Quickest round-trip

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 11/16

8:25 pm-7:00 am

Nonstop17h 35m

Sydney Kingsford Smith

Sun 11/29

9:15 am-7:55 am

Nonstop15h 40m

$1,451

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 11/16

6:46 pm-9:05 am

1 stop21h 19m

Sydney Kingsford Smith

Sun 11/29

9:15 am-7:55 am

Nonstop15h 40m

$1,456

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 9/28

2:25 pm-6:50 am

2 stops25h 25m

Sydney Kingsford Smith

Tue 10/6

10:15 am-11:03 pm

2 stops28h 48m

$1,471

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 10/19

11:12 am-7:50 am

2 stops28h 38m

Sydney Kingsford Smith

Wed 10/28

9:40 am-11:03 pm

2 stops29h 23m

$1,471

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 9/8

9:30 am-7:05 am

2 stops30h 35m

Brisbane

Tue 9/15

10:15 am-7:06 pm

2 stops47h 51m

$1,484

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 9/8

4:45 pm-7:05 am

1 stop23h 20m

Brisbane

Tue 9/15

10:15 am-7:06 pm

2 stops47h 51m

$1,486

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

What is the cheapest month to fly to Australia?

The month of November is, on average, the cheapest month to fly to Australia from Houston, with most prices found around $1,186. If you aren’t able to travel during the month of November, then book flights to Australia from Houston during May instead. Flights to Australia in May, while not as cheap as those in November, still average around $1,244.

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 from Houston 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 $1,462 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 $1,011 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	269 airports

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

Direct flights go from Houston to Australia every day.

There are 269 airports in Australia. From Houston there are direct flights to Sydney Kingsford Smith (SYD).

Search flight deals

Frequently asked questions about flying from Houston to Australia

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 July 2026, 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 $203	Free Cancellation	Rating 7.8 8,486 reviews	Search Delta flights
Qantas Airways	PriceFrom $447	Free Cancellation	Rating 7.5 1,073 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $665	Free Cancellation	Rating 8.0 249 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $782	Free Cancellation	Rating 7.1 11,405 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $830	Free Cancellation	Rating 8.0 656 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $833	Free Cancellation	Rating 7.1 11,839 reviews	Search American Airlines flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 10,052 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.