How long does it take to fly to Houston?

The flight from Australia to Houston depends on which airports you’re departing from and arriving to, and whether or not you have a layover. If you fly from Sydney (a popular airport in Australia) to Houston Hobby Airport (the most popular airport in Houston), then the flight time is 15h 35m on average. If you fly from Brisbane (another popular airport in Australia) to Houston Hobby Airport, then the average flight time is 18h 29m.

Which airlines fly to Houston?

United Airlines, Air New Zealand and Qantas Airways are the top three most popular airlines that fly to Houston from Australia according to our data. United Airlines is the first choice among our users, with 36% of people opting to fly with this airline when travelling to Houston. Keep in mind that there are 9 different airlines that fly to Houston on a routine basis, so you have a few additional options to choose from.

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

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

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

Prices for flights from Australia to Houston refresh daily.

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

As of October 2025, there are 9 operators available to choose from for flights from Australia to Houston.

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

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Australia to Houston.

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

The required travel and health documents for your Houston trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$999 Cheap Flights from Australia to Houston in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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 Australia to Houston

Round-trip

One-way

Last minute

Direct

Recent return flight deals from Australia to Houston

Enter your travel dates to find the best prices.

09:55 - 14:05SYD-IAH

21h 10m1 stop

20:05 - 08:45IAH-SYD

19h 40m1 stop

$1,558Air New Zealand

Find Deal

Mon, 24 Nov - Mon, 1 Dec

11:45 - 14:05SYD-IAH

19h 20m1 stop

20:05 - 08:45IAH-SYD

19h 40m1 stop

$1,623Air New Zealand

Find Deal

Mon, 24 Nov - Sun, 4 Jan

11:20 - 09:11SYD-IAH

38h 51m2 stops

14:33 - 09:35IAH-SYD

26h 02m2 stops

$1,654Air Canada

Find Deal

Thu, 6 Nov - Wed, 19 Nov

11:20 - 16:24SYD-IAH

22h 04m1 stop

17:25 - 09:35IAH-SYD

23h 10m1 stop

$1,674Air Canada

Find Deal

Thu, 6 Nov - Wed, 19 Nov

11:50 - 10:25SYD-IAH

15h 35mdirect

15:22 - 06:20IAH-SYD

21h 58m1 stop

$2,063United Airlines

Find Deal

Mon, 29 Dec - Sun, 25 Jan

11:50 - 10:25SYD-IAH

15h 35mdirect

17:30 - 09:05IAH-SYD

22h 35m1 stop

$2,064United Airlines

Find Deal

Mon, 29 Dec - Sun, 25 Jan

07:05 - 11:40SYD-HOU

21h 35m2 stops

09:05 - 06:55HOU-SYD

28h 50m1 stop

$2,479Qantas Airways

Find Deal

Sun, 23 Nov - Sun, 30 Nov

06:00 - 10:25ADL-IAH

20h 55m1 stop

15:23 - 13:00IAH-ADL

29h 07m2 stops

$2,931Virgin Australia

Find Deal

Tue, 4 Nov - Sat, 8 Nov

06:00 - 10:25ADL-IAH

20h 55m1 stop

14:23 - 13:00IAH-ADL

30h 07m2 stops

$2,932Virgin Australia

Find Deal

Tue, 4 Nov - Sat, 8 Nov

14:05 - 15:54SYD-HOU

18h 49m1 stop

12:09 - 06:55HOU-SYD

25h 46m1 stop

$3,229Qantas Airways

Find Deal

Mon, 24 Nov - Mon, 29 Dec

Delta flights from Australia to Houston

Our best Delta deals on Australia to Houston flight tickets

Delta

29 Dec

SYD10:40Sydney Kingsford Smith

24h 10m

2 stops

HOU17:50Houston Hobby

25 Jan

HOU06:00Houston Hobby

31h 50m

2 stops

SYD06:50Sydney Kingsford Smith

$2,072

Find similar

Delta

29 Dec

SYD10:40Sydney Kingsford Smith

29h 31m

2 stops

HOU23:11Houston Hobby

25 Jan

HOU06:00Houston Hobby

33h 30m

2 stops

SYD08:30Sydney Kingsford Smith

$2,073

Find similar

Delta

29 Dec

SYD10:40Sydney Kingsford Smith

29h 31m

2 stops

HOU23:11Houston Hobby

25 Jan

HOU06:00Houston Hobby

31h 50m

2 stops

SYD06:50Sydney Kingsford Smith

$2,078

Find similar

American Airlines flights from Australia to Houston

Our best American Airlines deals on Australia to Houston flight tickets

American Airlines

23 Nov

BNE09:40Brisbane

26h 10m

1 stop

HOU19:50Houston Hobby

30 Nov

HOU12:15Houston Hobby

26h 15m

1 stop

BNE06:30Brisbane

$2,333

Find similar

American Airlines

24 Nov

MEL12:00Melbourne

22h 52m

2 stops

HOU17:52Houston Hobby

1 Dec

HOU09:05Houston Hobby

26h 55m

1 stop

MEL05:00Melbourne

$2,356

Find similar

American Airlines

24 Nov

SYD11:20Sydney Kingsford Smith

21h 34m

2 stops

HOU15:54Houston Hobby

1 Dec

HOU16:25Houston Hobby

23h 35m

2 stops

SYD09:00Sydney Kingsford Smith

$2,358

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 24/11

09:55-14:05

1 stop21h 10m

Houston George Bush Intcntl

Mon 1/12

20:05-08:45

1 stop19h 40m

$1,558

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 24/11

11:45-14:05

1 stop19h 20m

Houston George Bush Intcntl

Sun 4/1

20:05-08:45

1 stop19h 40m

$1,623

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 6/11

11:20-09:11

2 stops38h 51m

Houston George Bush Intcntl

Wed 19/11

14:33-09:35

2 stops26h 02m

$1,654

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Thu 6/11

11:20-16:24

1 stop22h 04m

Houston George Bush Intcntl

Wed 19/11

17:25-09:35

1 stop23h 10m

$1,674

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 29/12

11:50-10:25

Nonstop15h 35m

Houston George Bush Intcntl

Sun 25/1

15:22-06:20

1 stop21h 58m

$2,063

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

Mon 29/12

11:50-10:25

Nonstop15h 35m

Houston George Bush Intcntl

Sun 25/1

17:30-09:05

1 stop22h 35m

$2,064

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Sun 23/11

07:05-11:40

2 stops21h 35m

Houston Hobby

Sun 30/11

09:05-06:55

1 stop28h 50m

$2,479

AdelaideHouston

ADL - IAH

ADLIAH

Adelaide

Tue 4/11

06:00-10:25

1 stop20h 55m

Houston George Bush Intcntl

Sat 8/11

15:23-13:00

2 stops29h 07m

$2,931

AdelaideHouston

ADL - IAH

ADLIAH

Adelaide

Tue 4/11

06:00-10:25

1 stop20h 55m

Houston George Bush Intcntl

Sat 8/11

14:23-13:00

2 stops30h 07m

$2,932

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

Mon 24/11

14:05-15:54

1 stop18h 49m

Houston Hobby

Mon 29/12

12:09-06:55

1 stop25h 46m

$3,229

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Australia to Houston

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 Houston?

If you aren’t able to travel to Houston during the month of May, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,645.

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

The cheapest day to depart from Australia to Houston is on a Tuesday when prices can be found for as low as $1,626. On the other hand, Saturday is the most expensive day to depart from Australia because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $2,187.

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

In the evening is the cheapest time of day to fly from Australia to Houston when you can find flight prices for as low as $1,821. Flying to Houston in the evening is an ideal time because this is during off-peak travel hours. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $2,389 on average. Flights to Houston from Australia in the morning are generally more expensive because this time of day is more convenient for travellers’ schedules.

What is the cheapest Australia to Houston flight route?

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

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

You are more likely to see cheaper flights to Houston from Australia when booking weeks ahead of your departure date. In general, you can expect to find flights to Houston for around $1,851 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Australia for as low as $1,573 on momondo.

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

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

Cheap Australia to Houston flight deals and tips

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

Fastest flight time	15h 35m
Direct flights	Every day
Airports in Houston	1 airport

The fastest flight from Australia to Houston takes 15h 35m

Direct flights go from Australia to Houston every day.

There is 1 airport near Houston: Houston George Bush Intcntl (IAH)

Search flight deals

When did momondo last update prices for flights from Australia to Houston?
Prices for flights from Australia to Houston refresh daily.
How many operators does momondo search for flights from Australia to Houston?
As of October 2025, there are 9 operators available to choose from for flights from Australia to Houston.
How old do you have to be to fly from Australia to Houston?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Australia to Houston.
What documentation or ID do you need to fly to Houston?
The required travel and health documents for your Houston trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Houston. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Australia to Houston

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

Airline	Rating	Free cancellation	Price
Qantas Airways	PriceFrom $941	Free cancellation	Rating 7.5 917 reviews	Search Qantas Airways flights
Air Canada	PriceFrom $1,183	Free cancellation	Rating 7.1 10,266 reviews	Search Air Canada flights
American Airlines	PriceFrom $1,206	Free cancellation	Rating 7.2 11,047 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,337	Free cancellation	Rating 7.4 8,972 reviews	Search United Airlines flights
Air New Zealand	PriceFrom $1,359	Free cancellation	Rating 8.0 513 reviews	Search Air New Zealand flights
ANA	PriceFrom $1,561	Free cancellation	Rating 8.4 985 reviews	Search ANA flights
Virgin Australia	PriceFrom $1,683	Free cancellation	Rating 7.6 419 reviews	Search Virgin Australia flights
Qatar Airways	PriceFrom $2,266	Free cancellation	Rating 7.4 3,644 reviews	Search Qatar Airways flights
Emirates	PriceFrom $2,464	Free cancellation	Rating 8.1 3,370 reviews	Search Emirates flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Australia to Houston. momondo saves you time and could save you money on your trip.

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

Flights from Australia to Houston with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Australia to Houston flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are simply researching potential flights to Houston, momondo offers a useful price alert feature which will track prices for flights to Houston from Australia and alert you when they change.