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Cheap flights from Houston to Australia from $391

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Houston to Australia departing on 2/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Cheap round-trip flights

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Air Canada Logo
2:26 pm - 9:35 amIAH-SYD
50h 09m2 stops
Air Canada Logo
11:20 am - 1:34 pmSYD-IAH
43h 14m2 stops
$920Air Canada
Find Deal
lun., feb. 9 - mar., feb. 17
Air Canada Logo
2:26 pm - 8:45 amIAH-BNE
50h 19m2 stops
Air Canada Logo
10:45 am - 1:34 pmBNE-IAH
42h 49m2 stops
$921Air Canada
Find Deal
mar., feb. 3 - mar., feb. 17
Multiple Airlines Logo
5:14 pm - 12:35 pmIAH-SYD
26h 21m2 stops
Multiple Airlines Logo
2:00 pm - 12:57 amSYD-IAH
27h 57m2 stops
$931Multiple Airlines
Find Deal
lun., feb. 9 - sáb., feb. 21
Multiple Airlines Logo
5:14 pm - 12:35 pmIAH-SYD
26h 21m2 stops
Multiple Airlines Logo
2:00 pm - 5:54 amSYD-IAH
32h 54m3 stops
$958Multiple Airlines
Find Deal
lun., feb. 9 - sáb., feb. 21
Delta Logo
5:45 am - 6:50 amHOU-SYD
32h 05m2 stops
Delta Logo
10:40 am - 10:33 pmSYD-HOU
28h 53m2 stops
$1,215Delta
Find Deal
sáb., ene. 17 - dom., feb. 1
Delta Logo
5:25 am - 8:00 amHOU-MEL
33h 35m2 stops
Delta Logo
9:10 am - 9:32 amMEL-HOU
40h 22m2 stops
$1,215Delta
Find Deal
vie., feb. 27 - dom., mar. 15
American Airlines Logo
9:05 am - 5:00 amHOU-MEL
27h 55m1 stop
American Airlines Logo
9:45 am - 8:02 pmMEL-HOU
25h 17m2 stops
$1,479American Airlines
Find Deal
mié., mar. 18 - vie., may. 8
American Airlines Logo
4:55 pm - 6:55 amHOU-SYD
21h 00m1 stop
American Airlines Logo
11:20 am - 4:12 pmSYD-HOU
21h 52m2 stops
$1,484American Airlines
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sáb., ene. 17 - dom., feb. 1
Qantas Airways Logo
4:22 pm - 6:30 amHOU-BNE
22h 08m1 stop
Qantas Airways Logo
6:30 pm - 12:30 pmBNE-HOU
34h 00m2 stops
$1,747Qantas Airways
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dom., feb. 22 - sáb., mar. 7
Qantas Airways Logo
4:22 pm - 5:10 pmHOU-BNE
32h 48m2 stops
Qantas Airways Logo
6:30 pm - 12:30 pmBNE-HOU
34h 00m2 stops
$1,821Qantas Airways
Find Deal
dom., feb. 22 - sáb., mar. 7

Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets
Qantas Airways
Feb 18
HOU12:16 pmHouston Hobby
36h 54m
2 stops
BNE5:10 pmBrisbane
Mar 12
BNE6:30 pmBrisbane
32h 18m
2 stops
HOU11:48 amHouston Hobby
$1,723
Find similar
Qantas Airways
Feb 22
HOU4:22 pmHouston Hobby
22h 08m
1 stop
BNE6:30 amBrisbane
Mar 7
BNE6:30 pmBrisbane
34h 00m
2 stops
HOU12:30 pmHouston Hobby
$1,747
Find similar
Qantas Airways
May 4
HOU8:27 pmHouston Hobby
19h 28m
1 stop
SYD6:55 amSydney Kingsford Smith
May 13
SYD12:00 pmSydney Kingsford Smith
20h 59m
1 stop
HOU5:59 pmHouston Hobby
$1,857
Find similar

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets
American Airlines
Feb 24
HOU4:20 pmHouston Hobby
21h 35m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 11
SYD1:05 pmSydney Kingsford Smith
22h 45m
1 stop
HOU7:50 pmHouston Hobby
$1,445
Find similar
American Airlines
Feb 24
HOU12:16 pmHouston Hobby
25h 39m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 11
SYD11:20 amSydney Kingsford Smith
22h 41m
2 stops
HOU6:01 pmHouston Hobby
$1,449
Find similar
American Airlines
Mar 18
HOU9:05 amHouston Hobby
27h 55m
1 stop
MEL5:00 amMelbourne
May 8
MEL9:45 amMelbourne
25h 17m
2 stops
HOU8:02 pmHouston Hobby
$1,479
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momondo Fare Finder

 
Customize your flight search to find flights from Houston to Australia that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated noviembre 24, 2025.
Use the filters below to find and compare flights from Houston to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

lun. 2/9

2:26 pm-9:35 am

2 stops50h 09m

Sydney Kingsford Smith

mar. 2/17

11:20 am-1:34 pm

2 stops43h 14m

$920

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

mar. 2/3

2:26 pm-8:45 am

2 stops50h 19m

Brisbane

mar. 2/17

10:45 am-1:34 pm

2 stops42h 49m

$921

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

lun. 2/9

5:14 pm-12:35 pm

2 stops26h 21m

Sydney Kingsford Smith

sáb. 2/21

2:00 pm-12:57 am

2 stops27h 57m

$931

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

lun. 2/9

5:14 pm-12:35 pm

2 stops26h 21m

Sydney Kingsford Smith

sáb. 2/21

2:00 pm-5:54 am

3 stops32h 54m

$958

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

sáb. 1/17

5:45 am-6:50 am

2 stops32h 05m

Sydney Kingsford Smith

dom. 2/1

10:40 am-10:33 pm

2 stops28h 53m

$1,215

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

vie. 2/27

5:25 am-8:00 am

2 stops33h 35m

Melbourne

dom. 3/15

9:10 am-9:32 am

2 stops40h 22m

$1,215

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

mié. 3/18

9:05 am-5:00 am

1 stop27h 55m

Melbourne

vie. 5/8

9:45 am-8:02 pm

2 stops25h 17m

$1,479

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

sáb. 1/17

4:55 pm-6:55 am

1 stop21h 00m

Sydney Kingsford Smith

dom. 2/1

11:20 am-4:12 pm

2 stops21h 52m

$1,484

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

dom. 2/22

4:22 pm-6:30 am

1 stop22h 08m

Brisbane

sáb. 3/7

6:30 pm-12:30 pm

2 stops34h 00m

$1,747

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

dom. 2/22

4:22 pm-5:10 pm

2 stops32h 48m

Brisbane

sáb. 3/7

6:30 pm-12:30 pm

2 stops34h 00m

$1,821

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Australia from

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

What is the cheapest month to fly to Australia?

The month of July is, on average, the cheapest month to fly to Australia from Houston, with most prices found around $853. If you aren’t able to travel during the month of July, then book flights to Australia from Houston during April instead. Flights to Australia in April, while not as cheap as those in July, still average around $874.

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

The cheapest day to depart from Houston to Australia is on a Tuesday. Travelers who choose to depart for Australia on a Tuesday will often find tickets for as low as $1,171. On the other hand, Thursday is the most expensive day to depart from Houston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,370.

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

Flying to Australia from Houston at noon is the least expensive time of day to depart. momondo users have found prices as low as $868 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,655 on average. Flights to Australia from Houston in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 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 $1,076 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 $865 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 30m

Direct flights

Every day

Airports in Australia

1 airport
The fastest flight from Houston to Australia takes 17h 30m
Direct flights go from Houston to Australia every day.
There is 1 airport near Australia: Sydney Kingsford Smith (SYD)
Search flight deals

  • 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?

  • 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
DeltaPriceFrom $337Free CancellationRating
7.9
7,996 reviews
Search Delta flights
Qantas AirwaysPriceFrom $655Free CancellationRating
7.5
943 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $684Free CancellationRating
7.2
11,040 reviews
Search American Airlines flights
Air New ZealandPriceFrom $783Free CancellationRating
8.0
536 reviews
Search Air New Zealand flights
Fiji AirwaysPriceFrom $790Free CancellationRating
8.1
209 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $839Free CancellationRating
7.4
9,041 reviews
Search United Airlines flights
Air CanadaPriceFrom $998Free CancellationRating
7.1
10,468 reviews
Search Air Canada 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.

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