How long does it take to fly to Houston?

Average flight duration from Australia to Houston depends on which airport you fly into and out of. Flying from Sydney to Houston Hobby Airport is 15h 35m on average, while flying from Adelaide to Houston Hobby Airport is 18h 50m on average. Houston Hobby Airport is the most popular airport in Houston.

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

Air Canada is the most popular carrier operating from Australia to Houston

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

Prices for flights from Australia to Houston are refreshed on a daily basis.

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

The number of operators available for flights from Australia to Houston is 2 as of September 2025.

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 travel and health documents you'll need for your trip to Houston 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 Houston. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$440 Cheap Flights from Australia to Houston in 2025/26

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Find the cheapest flights from Australia to Houston

Round-trip

One-way

Last minute

Direct

Recent round-trip flight deals from Australia to Houston

2:15 pm - 5:20 amSYD-IAH

31h 05m2 stops

6:44 am - 12:45 pmIAH-SYD

38h 01m2 stops

$714Multiple Airlines

Find Deal

lun., oct. 13 - lun., oct. 20

6:45 pm - 5:20 amSYD-IAH

26h 35m1 stop

6:44 am - 7:30 amIAH-SYD

32h 46m1 stop

$817Multiple Airlines

Find Deal

lun., oct. 13 - lun., oct. 20

10:25 am - 7:09 pmSYD-IAH

24h 44m2 stops

7:50 pm - 9:05 amIAH-SYD

20h 15m1 stop

$900United Airlines

Find Deal

lun., oct. 27 - dom., nov. 9

11:50 am - 11:25 amSYD-IAH

15h 35mnonstop

6:35 pm - 9:05 amIAH-SYD

21h 30m1 stop

$902United Airlines

Find Deal

lun., oct. 27 - dom., nov. 9

10:20 am - 7:42 pmSYD-IAH

49h 22m3 stops

9:39 am - 9:35 amIAH-SYD

30h 56m2 stops

$931Air Canada

Find Deal

mar., oct. 21 - vie., nov. 28

10:20 am - 6:42 pmSYD-IAH

24h 22m1 stop

5:25 pm - 6:55 amIAH-SYD

44h 30m1 stop

$945Air Canada

Find Deal

mar., oct. 21 - vie., nov. 28

11:20 am - 7:41 pmSYD-HOU

24h 21m2 stops

4:24 pm - 9:00 amHOU-SYD

23h 36m2 stops

$951Iberia

Find Deal

lun., oct. 27 - dom., nov. 9

10:10 am - 4:58 pmSYD-IAH

22h 48m1 stop

8:10 pm - 8:05 amIAH-SYD

19h 55m1 stop

$959American Airlines

Find Deal

lun., oct. 13 - lun., oct. 20

1:05 pm - 4:11 pmSYD-HOU

19h 06m1 stop

4:24 pm - 9:00 amHOU-SYD

23h 36m2 stops

$961Iberia

Find Deal

lun., oct. 27 - dom., nov. 9

10:10 am - 6:07 pmSYD-HOU

23h 57m2 stops

4:41 pm - 8:05 amHOU-SYD

23h 24m2 stops

$964American Airlines

Find Deal

mar., oct. 14 - mar., oct. 21

American Airlines flights from Australia to Houston

Our best American Airlines deals on Australia to Houston flight tickets

American Airlines

Oct 13

SYD10:10 amSydney Kingsford Smith

22h 48m

1 stop

IAH4:58 pmHouston George Bush Intcntl

Oct 20

IAH8:10 pmHouston George Bush Intcntl

19h 55m

1 stop

SYD8:05 amSydney Kingsford Smith

$959

Find similar

American Airlines

Oct 14

SYD10:10 amSydney Kingsford Smith

23h 57m

2 stops

HOU6:07 pmHouston Hobby

Oct 21

HOU4:41 pmHouston Hobby

23h 24m

2 stops

SYD8:05 amSydney Kingsford Smith

$964

Find similar

American Airlines

Oct 27

SYD11:20 amSydney Kingsford Smith

22h 49m

2 stops

IAH6:09 pmHouston George Bush Intcntl

Nov 9

IAH4:32 pmHouston George Bush Intcntl

23h 28m

2 stops

SYD9:00 amSydney Kingsford Smith

$966

Find similar

Qantas Airways flights from Australia to Houston

Our best Qantas Airways deals on Australia to Houston flight tickets

Qantas Airways

Oct 20

SYD10:10 amSydney Kingsford Smith

22h 48m

1 stop

IAH4:58 pmHouston George Bush Intcntl

Oct 25

IAH5:30 pmHouston George Bush Intcntl

23h 30m

1 stop

SYD9:00 amSydney Kingsford Smith

$962

Find similar

Qantas Airways

Nov 9

SYD2:05 pmSydney Kingsford Smith

20h 47m

1 stop

HOU5:52 pmHouston Hobby

Nov 23

HOU12:15 pmHouston Hobby

25h 40m

1 stop

SYD6:55 amSydney Kingsford Smith

$965

Find similar

Qantas Airways

Oct 21

SYD1:10 pmSydney Kingsford Smith

18h 59m

1 stop

HOU4:09 pmHouston Hobby

Nov 28

HOU4:25 pmHouston Hobby

21h 30m

1 stop

SYD6:55 amSydney Kingsford Smith

$1,014

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

lun. 10/13

2:15 pm-5:20 am

2 stops31h 05m

Houston George Bush Intcntl

lun. 10/20

6:44 am-12:45 pm

2 stops38h 01m

$714

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

lun. 10/13

6:45 pm-5:20 am

1 stop26h 35m

Houston George Bush Intcntl

lun. 10/20

6:44 am-7:30 am

1 stop32h 46m

$817

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

lun. 10/27

10:25 am-7:09 pm

2 stops24h 44m

Houston George Bush Intcntl

dom. 11/9

7:50 pm-9:05 am

1 stop20h 15m

$900

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

lun. 10/27

11:50 am-11:25 am

Nonstop15h 35m

Houston George Bush Intcntl

dom. 11/9

6:35 pm-9:05 am

1 stop21h 30m

$902

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

mar. 10/21

10:20 am-7:42 pm

3 stops49h 22m

Houston George Bush Intcntl

vie. 11/28

9:39 am-9:35 am

2 stops30h 56m

$931

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

mar. 10/21

10:20 am-6:42 pm

1 stop24h 22m

Houston George Bush Intcntl

vie. 11/28

5:25 pm-6:55 am

1 stop44h 30m

$945

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

lun. 10/27

11:20 am-7:41 pm

2 stops24h 21m

Houston Hobby

dom. 11/9

4:24 pm-9:00 am

2 stops23h 36m

$951

SydneyHouston

SYD - IAH

SYDIAH

Sydney Kingsford Smith

lun. 10/13

10:10 am-4:58 pm

1 stop22h 48m

Houston George Bush Intcntl

lun. 10/20

8:10 pm-8:05 am

1 stop19h 55m

$959

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

lun. 10/27

1:05 pm-4:11 pm

1 stop19h 06m

Houston Hobby

dom. 11/9

4:24 pm-9:00 am

2 stops23h 36m

$961

SydneyHouston

SYD - HOU

SYDHOU

Sydney Kingsford Smith

mar. 10/14

10:10 am-6:07 pm

2 stops23h 57m

Houston Hobby

mar. 10/21

4:41 pm-8:05 am

2 stops23h 24m

$964

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 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?

The month of November is, on average, the cheapest month to fly to Houston from Australia, with most prices found around $1,045. The month of May is another great option to travel to Houston, with average flight prices from Australia averaging around $1,046.

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

On average, the least expensive day to fly to Houston from Australia is on a Tuesday. momondo users have found tickets for Tuesday departures for as low as $1,096. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Wednesday as prices are generally higher than usual. According to our data, the average ticket price to Houston on Wednesday is $2,082.

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

Our data shows that the cheapest Australia to Houston flights are usually those with departure times in the evening. Our users have found flights to Houston in the evening for as low as $1,233. Try not to purchase tickets in the morning because they tend to be around $1,509. Of course, these prices can vary depending on the time of year and what airport you fly to.

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 $1,214 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Houston from Australia for as low as $1,001 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 are refreshed on a daily basis.
How many operators does momondo search for flights from Australia to Houston?
The number of operators available for flights from Australia to Houston is 2 as of September 2025.
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 travel and health documents you'll need for your trip to Houston 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 Houston. It is always advisable to seek advice from your airline or a trusted 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
Air Canada	PriceFrom $737	Free Cancellation	Rating 7.1 10,000 reviews		Search Air Canada flights
United Airlines	PriceFrom $829	Free Cancellation	Rating 7.4 8,926 reviews		Search United Airlines flights

Why use momondo?

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

It is quick and easy to find Australia to Houston flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Houston that suits you.

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

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

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

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 Australia to Houston.

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

Price alerts on flights to Houston from Australia are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.