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

Air New Zealand, American Airlines, 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 68% 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.

$586 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.

4:02 pm - 7:30 am

IAH

SYD

24h 28m

1 stop

1:15 pm - 11:26 am

SYD

IAH

37h 11m

2 stops

$1,080Multiple Airlines

Sat, Sep 5 - Fri, Sep 11

9:55 pm - 7:30 am

IAH

SYD

41h 35m

1 stop

2:15 pm - 11:26 am

SYD

IAH

37h 11m

2 stops

$1,089Multiple Airlines

Tue, Oct 6 - Fri, Oct 16

9:59 pm - 7:30 am

IAH

SYD

41h 31m

1 stop

2:00 pm - 11:26 am

SYD

IAH

37h 26m

2 stops

$1,092Multiple Airlines

Thu, Oct 15 - Sun, Oct 25

1:13 pm - 6:50 am

HOU

SYD

26h 37m

2 stops

9:15 am - 12:16 pm

SYD

HOU

42h 01m

2 stops

$1,471Delta

Tue, Aug 4 - Sun, Aug 9

6:00 am - 6:50 am

HOU

SYD

33h 50m

2 stops

9:15 am - 10:05 pm

SYD

HOU

27h 50m

2 stops

$1,521Delta

Sat, Aug 8 - Mon, Aug 17

4:45 pm - 4:10 pm

IAH

PER

34h 25m

2 stops

10:40 pm - 3:37 pm

PER

IAH

29h 57m

2 stops

$1,761Air Canada

Mon, Sep 14 - Sun, Sep 27

2:07 pm - 5:00 am

HOU

MEL

21h 53m

1 stop

12:00 pm - 1:37 pm

MEL

HOU

18h 37m

1 stop

$1,832Qantas Airways

Tue, Nov 3 - Sat, Nov 14

2:07 pm - 5:00 am

HOU

MEL

21h 53m

1 stop

12:00 pm - 1:37 pm

MEL

HOU

18h 37m

1 stop

$1,838Qantas Airways

Tue, Nov 3 - Sat, Nov 14

4:45 pm - 8:40 pm

IAH

PER

38h 55m

2 stops

10:55 pm - 9:05 am

PER

IAH

47h 10m

3 stops

$1,841Air Canada

Mon, Oct 12 - Mon, Oct 26

3:57 pm - 11:15 am

HOU

PER

30h 18m

2 stops

11:55 pm - 7:51 pm

PER

HOU

32h 56m

2 stops

$2,466American Airlines

Mon, Aug 10 - Mon, Sep 7

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Delta flights from Houston to Australia

Our best Delta deals on Houston to Australia flight tickets

Delta

Jul 26

IAH2:35 pmHouston George Bush Intcntl

25h 15m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 9

SYD9:15 amSydney Kingsford Smith

27h 35m

2 stops

IAH9:50 pmHouston George Bush Intcntl

$1,457

Delta

Aug 4

HOU1:13 pmHouston Hobby

26h 37m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 9

SYD9:15 amSydney Kingsford Smith

42h 01m

2 stops

HOU12:16 pmHouston Hobby

$1,471

Delta

Aug 8

HOU6:00 amHouston Hobby

33h 50m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 17

SYD9:15 amSydney Kingsford Smith

27h 50m

2 stops

HOU10:05 pmHouston Hobby

$1,521

Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets

Qantas Airways

Oct 19

HOU2:08 pmHouston Hobby

24h 47m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 28

SYD1:05 pmSydney Kingsford Smith

19h 31m

1 stop

HOU4:36 pmHouston Hobby

$1,830

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

$1,832

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sat 9/5

4:02 pm-7:30 am

1 stop24h 28m

Sydney Kingsford Smith

Fri 9/11

1:15 pm-11:26 am

2 stops37h 11m

$1,080

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 10/6

9:55 pm-7:30 am

1 stop41h 35m

Sydney Kingsford Smith

Fri 10/16

2:15 pm-11:26 am

2 stops37h 11m

$1,089

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Thu 10/15

9:59 pm-7:30 am

1 stop41h 31m

Sydney Kingsford Smith

Sun 10/25

2:00 pm-11:26 am

2 stops37h 26m

$1,092

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Tue 8/4

1:13 pm-6:50 am

2 stops26h 37m

Sydney Kingsford Smith

Sun 8/9

9:15 am-12:16 pm

2 stops42h 01m

$1,471

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Sat 8/8

6:00 am-6:50 am

2 stops33h 50m

Sydney Kingsford Smith

Mon 8/17

9:15 am-10:05 pm

2 stops27h 50m

$1,521

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Mon 9/14

4:45 pm-4:10 pm

2 stops34h 25m

Perth

Sun 9/27

10:40 pm-3:37 pm

2 stops29h 57m

$1,761

Quickest round-trip

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Tue 11/3

2:07 pm-5:00 am

1 stop21h 53m

Melbourne

Sat 11/14

12:00 pm-1:37 pm

1 stop18h 37m

$1,832

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Tue 11/3

2:07 pm-5:00 am

1 stop21h 53m

Melbourne

Sat 11/14

12:00 pm-1:37 pm

1 stop18h 37m

$1,838

HoustonPerth

IAH - PER

IAHPER

Houston George Bush Intcntl

Mon 10/12

4:45 pm-8:40 pm

2 stops38h 55m

Perth

Mon 10/26

10:55 pm-9:05 am

3 stops47h 10m

$1,841

HoustonPerth

HOU - PER

HOUPER

Houston Hobby

Mon 8/10

3:57 pm-11:15 am

2 stops30h 18m

Perth

Mon 9/7

11:55 pm-7:51 pm

2 stops32h 56m

$2,466

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 $1,209. 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 $1,252.

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 $1,469 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 8,483 reviews	Search Delta flights
Qantas Airways	PriceFrom $447	Free Cancellation	Rating 7.5 1,067 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $665	Free Cancellation	Rating 8.0 248 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $782	Free Cancellation	Rating 7.1 11,377 reviews	Search Air Canada flights
Air New Zealand	PriceFrom $818	Free Cancellation	Rating 8.0 654 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $833	Free Cancellation	Rating 7.1 11,842 reviews	Search American Airlines flights
United Airlines	PriceFrom $839	Free Cancellation	Rating 7.4 10,025 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.