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Cheap flights from Houston to Australia from $416

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 5/5. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:22 pm - 12:35 pm
IAH
-
SYD
28h 13m
2 stops
Multiple Airlines Logo
1:15 pm - 12:35 am
SYD
-
IAH
26h 20m
2 stops
$886Multiple Airlines
Tue, Mar 17 - Mon, Apr 20
Air Canada Logo
4:45 pm - 7:05 am
IAH
-
BNE
23h 20m
1 stop
Air Canada Logo
10:00 am - 3:44 pm
BNE
-
IAH
20h 44m
1 stop
$893Air Canada
Sun, May 17 - Sun, May 24
Air New Zealand Logo
9:55 pm - 8:45 am
IAH
-
SYD
19h 50m
1 stop
Air New Zealand Logo
11:55 am - 4:25 pm
SYD
-
IAH
19h 30m
1 stop
$991Air New Zealand
Mon, Aug 10 - Mon, Sep 14
Air New Zealand Logo
9:55 pm - 10:40 am
IAH
-
SYD
21h 45m
1 stop
Air New Zealand Logo
11:55 am - 10:51 pm
SYD
-
IAH
25h 56m
2 stops
$1,000Air New Zealand
Mon, Aug 10 - Mon, Sep 14
American Airlines Logo
12:48 pm - 5:00 am
HOU
-
MEL
25h 12m
1 stop
American Airlines Logo
1:35 pm - 11:52 pm
MEL
-
HOU
25h 17m
1 stop
$1,340American Airlines
Wed, Jun 24 - Wed, Jul 8
American Airlines Logo
4:18 pm - 7:05 am
HOU
-
SYD
23h 47m
2 stops
American Airlines Logo
9:10 am - 3:49 pm
SYD
-
HOU
21h 39m
2 stops
$1,345American Airlines
Mon, May 4 - Wed, May 13
Fiji Airways Logo
6:30 pm - 11:50 am
HOU
-
SYD
26h 20m
2 stops
Fiji Airways Logo
1:15 pm - 7:55 pm
SYD
-
HOU
21h 40m
2 stops
$1,441Fiji Airways
Thu, Aug 13 - Thu, Aug 20
Fiji Airways Logo
8:25 pm - 12:00 pm
HOU
-
MEL
24h 35m
2 stops
Fiji Airways Logo
1:30 pm - 7:55 pm
MEL
-
HOU
21h 25m
2 stops
$1,493Fiji Airways
Thu, Aug 20 - Sat, Aug 29
Qantas Airways Logo
8:22 pm - 5:35 pm
HOU
-
CNS
30h 13m
2 stops
Qantas Airways Logo
6:45 am - 3:45 pm
CNS
-
HOU
24h 00m
2 stops
$2,240Qantas Airways
Sat, Jul 4 - Tue, Aug 4
Qantas Airways Logo
4:21 pm - 11:30 am
HOU
-
PER
53h 09m
2 stops
Qantas Airways Logo
5:00 pm - 3:50 pm
PER
-
HOU
35h 50m
2 stops
$2,318Qantas Airways
Sat, Mar 7 - Sat, Mar 14

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets
American Airlines
Jun 24
HOU9:30 amHouston Hobby
28h 30m
1 stop
MEL5:00 amMelbourne
Jul 8
MEL1:35 pmMelbourne
19h 18m
1 stop
HOU5:53 pmHouston Hobby
$1,340
American Airlines
May 4
HOU4:18 pmHouston Hobby
23h 47m
2 stops
SYD7:05 amSydney Kingsford Smith
May 13
SYD9:10 amSydney Kingsford Smith
21h 39m
2 stops
HOU3:49 pmHouston Hobby
$1,345
American Airlines
May 4
HOU4:18 pmHouston Hobby
23h 47m
2 stops
SYD7:05 amSydney Kingsford Smith
May 13
SYD12:00 pmSydney Kingsford Smith
18h 49m
1 stop
HOU3:49 pmHouston Hobby
$1,352

Fiji Airways flights from Houston to Australia

Our best Fiji Airways deals on Houston to Australia flight tickets
Fiji Airways
Aug 13
HOU6:30 pmHouston Hobby
26h 20m
2 stops
SYD11:50 amSydney Kingsford Smith
Aug 20
SYD1:15 pmSydney Kingsford Smith
21h 40m
2 stops
HOU7:55 pmHouston Hobby
$1,441
Fiji Airways
Aug 20
HOU8:25 pmHouston Hobby
24h 35m
2 stops
MEL12:00 pmMelbourne
Aug 29
MEL1:30 pmMelbourne
21h 25m
2 stops
HOU7:55 pmHouston Hobby
$1,493

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 February 21, 2026.
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

Tue 3/17

4:22 pm-12:35 pm

2 stops28h 13m

Sydney Kingsford Smith

Mon 4/20

1:15 pm-12:35 am

2 stops26h 20m

$886

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sun 5/17

4:45 pm-7:05 am

1 stop23h 20m

Brisbane

Sun 5/24

10:00 am-3:44 pm

1 stop20h 44m

$893

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 8/10

9:55 pm-8:45 am

1 stop19h 50m

Sydney Kingsford Smith

Mon 9/14

11:55 am-4:25 pm

1 stop19h 30m

$991

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 8/10

9:55 pm-10:40 am

1 stop21h 45m

Sydney Kingsford Smith

Mon 9/14

11:55 am-10:51 pm

2 stops25h 56m

$1,000

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Wed 6/24

12:48 pm-5:00 am

1 stop25h 12m

Melbourne

Wed 7/8

1:35 pm-11:52 pm

1 stop25h 17m

$1,340

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Mon 5/4

4:18 pm-7:05 am

2 stops23h 47m

Sydney Kingsford Smith

Wed 5/13

9:10 am-3:49 pm

2 stops21h 39m

$1,345

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Thu 8/13

6:30 pm-11:50 am

2 stops26h 20m

Sydney Kingsford Smith

Thu 8/20

1:15 pm-7:55 pm

2 stops21h 40m

$1,441

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Thu 8/20

8:25 pm-12:00 pm

2 stops24h 35m

Melbourne

Sat 8/29

1:30 pm-7:55 pm

2 stops21h 25m

$1,493

HoustonCairns

HOU - CNS

HOUCNS

Houston Hobby

Sat 7/4

8:22 pm-5:35 pm

2 stops30h 13m

Cairns

Tue 8/4

6:45 am-3:45 pm

2 stops24h 00m

$2,240

HoustonPerth

HOU - PER

HOUPER

Houston Hobby

Sat 3/7

4:21 pm-11:30 am

2 stops53h 09m

Perth

Sat 3/14

5:00 pm-3:50 pm

2 stops35h 50m

$2,318

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 March is, on average, the cheapest month to fly to Australia from Houston, with most prices found around $897. If you aren’t able to travel during the month of March, then book flights to Australia from Houston during July instead. Flights to Australia in July, while not as cheap as those in March, still average around $1,034.

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 $1,286 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 $988 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

266 airports
The fastest flight from Houston to Australia takes 17h 30m
Direct flights go from Houston to Australia every day.
There are 266 airports in Australia. From Houston there are direct flights to 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
8,236 reviews
Search Delta flights
Qantas AirwaysPriceFrom $447Free CancellationRating
7.5
996 reviews
Search Qantas Airways flights
Fiji AirwaysPriceFrom $740Free CancellationRating
8.0
226 reviews
Search Fiji Airways flights
Air CanadaPriceFrom $750Free CancellationRating
7.1
10,735 reviews
Search Air Canada flights
Air New ZealandPriceFrom $783Free CancellationRating
8.0
596 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $817Free CancellationRating
7.2
11,336 reviews
Search American Airlines flights
United AirlinesPriceFrom $839Free CancellationRating
7.4
9,341 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.

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