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

Air New Zealand, Delta, and American Airlines 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 66% 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 May 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.

$580 Cheap Flights from Houston to Australia in 2026

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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.

12:06 pm - 10:10 pm

IAH

SYD

43h 04m

3 stops

1:15 pm - 12:46 pm

SYD

IAH

38h 31m

3 stops

$1,195Multiple Airlines

Thu, Jun 4 - Thu, Jun 11

6:10 am - 7:30 am

IAH

SYD

34h 20m

1 stop

1:15 pm - 3:11 pm

SYD

IAH

40h 56m

2 stops

$1,208Multiple Airlines

Sat, Aug 8 - Tue, Aug 25

8:14 pm - 11:50 am

HOU

SYD

24h 36m

2 stops

1:15 pm - 7:51 pm

SYD

HOU

21h 36m

2 stops

$1,485Fiji Airways

Thu, Aug 27 - Tue, Sep 1

8:14 pm - 11:50 am

HOU

SYD

24h 36m

2 stops

1:15 pm - 7:51 pm

SYD

HOU

21h 36m

2 stops

$1,505Fiji Airways

Thu, Aug 27 - Tue, Sep 1

10:03 pm - 10:55 am

IAH

ADL

46h 22m

2 stops

7:10 pm - 1:40 pm

ADL

IAH

33h 00m

2 stops

$1,545Air New Zealand

Sun, Aug 9 - Sun, Aug 23

8:10 pm - 1:45 pm

IAH

ADL

25h 05m

2 stops

11:55 am - 2:05 pm

ADL

IAH

18h 40m

1 stop

$1,589Air New Zealand

Fri, Nov 13 - Sun, Nov 29

4:15 pm - 6:55 am

HOU

SYD

22h 40m

1 stop

1:05 pm - 7:51 pm

SYD

HOU

22h 46m

1 stop

$1,858American Airlines

Mon, Oct 19 - Wed, Oct 28

4:14 pm - 7:05 am

HOU

SYD

23h 51m

2 stops

12:00 pm - 3:28 pm

SYD

HOU

18h 28m

1 stop

$1,861American Airlines

Sun, Jul 26 - Wed, Aug 5

12:15 pm - 2:05 pm

HOU

AVV

32h 50m

2 stops

2:50 pm - 3:54 pm

AVV

HOU

42h 04m

2 stops

$2,110Qantas Airways

Tue, Nov 3 - Sat, Nov 14

4:47 pm - 2:05 pm

IAH

AVV

28h 18m

2 stops

4:25 pm - 1:33 pm

AVV

IAH

38h 08m

2 stops

$2,111Qantas Airways

Tue, Nov 3 - Sat, Nov 14

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets

American Airlines

Oct 19

HOU4:15 pmHouston Hobby

22h 40m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 28

SYD1:05 pmSydney Kingsford Smith

22h 46m

1 stop

HOU7:51 pmHouston Hobby

$1,858

American Airlines

Jul 26

HOU4:14 pmHouston Hobby

23h 51m

2 stops

SYD7:05 amSydney Kingsford Smith

Aug 5

SYD12:00 pmSydney Kingsford Smith

18h 28m

1 stop

HOU3:28 pmHouston Hobby

$1,861

American Airlines

Jul 26

HOU4:14 pmHouston Hobby

23h 51m

2 stops

SYD7:05 amSydney Kingsford Smith

Aug 5

SYD9:10 amSydney Kingsford Smith

21h 18m

2 stops

HOU3:28 pmHouston Hobby

$1,862

Fiji Airways flights from Houston to Australia

Our best Fiji Airways deals on Houston to Australia flight tickets

Fiji Airways

Aug 27

HOU8:14 pmHouston Hobby

24h 36m

2 stops

SYD11:50 amSydney Kingsford Smith

Sep 1

SYD1:15 pmSydney Kingsford Smith

21h 36m

2 stops

HOU7:51 pmHouston Hobby

$1,485

Fiji Airways

Aug 27

HOU8:14 pmHouston Hobby

24h 36m

2 stops

SYD11:50 amSydney Kingsford Smith

Sep 1

SYD1:15 pmSydney Kingsford Smith

21h 36m

2 stops

HOU7:51 pmHouston Hobby

$1,505

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 6/4

12:06 pm-10:10 pm

3 stops43h 04m

Sydney Kingsford Smith

Thu 6/11

1:15 pm-12:46 pm

3 stops38h 31m

$1,195

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 8/8

6:10 am-7:30 am

1 stop34h 20m

Sydney Kingsford Smith

Tue 8/25

1:15 pm-3:11 pm

2 stops40h 56m

$1,208

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Thu 8/27

8:14 pm-11:50 am

2 stops24h 36m

Sydney Kingsford Smith

Tue 9/1

1:15 pm-7:51 pm

2 stops21h 36m

$1,485

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Thu 8/27

8:14 pm-11:50 am

2 stops24h 36m

Sydney Kingsford Smith

Tue 9/1

1:15 pm-7:51 pm

2 stops21h 36m

$1,505

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Sun 8/9

10:03 pm-10:55 am

2 stops46h 22m

Adelaide

Sun 8/23

7:10 pm-1:40 pm

2 stops33h 00m

$1,545

HoustonAdelaide

IAH - ADL

IAHADL

Houston George Bush Intcntl

Fri 11/13

8:10 pm-1:45 pm

2 stops25h 05m

Adelaide

Sun 11/29

11:55 am-2:05 pm

1 stop18h 40m

$1,589

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 10/19

4:15 pm-6:55 am

1 stop22h 40m

Sydney Kingsford Smith

Wed 10/28

1:05 pm-7:51 pm

1 stop22h 46m

$1,858

Quickest round-trip

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sun 7/26

4:14 pm-7:05 am

2 stops23h 51m

Sydney Kingsford Smith

Wed 8/5

12:00 pm-3:28 pm

1 stop18h 28m

$1,861

HoustonMelbourne

HOU - AVV

HOUAVV

Houston Hobby

Tue 11/3

12:15 pm-2:05 pm

2 stops32h 50m

Melbourne Avalon

Sat 11/14

2:50 pm-3:54 pm

2 stops42h 04m

$2,110

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Tue 11/3

4:47 pm-2:05 pm

2 stops28h 18m

Melbourne Avalon

Sat 11/14

4:25 pm-1:33 pm

2 stops38h 08m

$2,111

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 December is, on average, the cheapest month to fly to Australia from Houston, with most prices found around $71. If you aren’t able to travel during the month of December, then book flights to Australia from Houston during July instead. Flights to Australia in July, while not as cheap as those in December, still average around $113.

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 $1,349 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 $971 on momondo.

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	Mon, Tue, Thu, Fri and Sat
Airports in Australia	269 airports

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

Direct flights go from Houston to Australia on Monday, Tuesday, Thursday, Friday and Saturday. There are no airlines offering direct flights.

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 May 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 7.9 8,452 reviews	Search Delta flights
Qantas Airways	PriceFrom $447	Free Cancellation	Rating 7.5 1,037 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $702	Free Cancellation	Rating 8.1 241 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $750	Free Cancellation	Rating 7.1 11,064 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $830	Free Cancellation	Rating 8.0 647 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $831	Free Cancellation	Rating 7.1 11,646 reviews	Search American Airlines flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 9,734 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.