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Cheap flights from Houston to Australia from $433

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 4/20. 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
9:33 am - 7:30 am
IAH
-
SYD
30h 57m
1 stop
Multiple Airlines Logo
1:15 pm - 6:02 pm
SYD
-
IAH
43h 47m
2 stops
$869Multiple Airlines
Tue, Apr 28 - Mon, May 11
Multiple Airlines Logo
9:33 am - 7:30 am
IAH
-
SYD
30h 57m
1 stop
Multiple Airlines Logo
1:15 pm - 6:02 pm
SYD
-
IAH
43h 47m
2 stops
$881Multiple Airlines
Wed, Apr 29 - Mon, May 11
Air New Zealand Logo
9:55 pm - 10:55 am
IAH
-
MEL
22h 00m
1 stop
Air New Zealand Logo
8:35 am - 4:25 pm
MEL
-
IAH
22h 50m
1 stop
$1,020Air New Zealand
Mon, May 11 - Mon, May 25
Air New Zealand Logo
9:55 pm - 10:55 am
IAH
-
MEL
22h 00m
1 stop
Air New Zealand Logo
8:35 am - 11:18 pm
MEL
-
IAH
29h 43m
2 stops
$1,029Air New Zealand
Mon, May 11 - Mon, May 25
Delta Logo
6:00 am - 7:20 am
HOU
-
BNE
34h 20m
2 stops
Delta Logo
10:05 am - 10:42 pm
BNE
-
HOU
27h 37m
2 stops
$1,170Delta
Wed, Mar 18 - Wed, Mar 25
Delta Logo
6:00 am - 7:20 am
HOU
-
BNE
34h 20m
2 stops
Delta Logo
9:40 am - 9:21 am
BNE
-
HOU
38h 41m
2 stops
$1,271Delta
Fri, Mar 13 - Fri, Mar 20
American Airlines Logo
9:30 am - 5:00 am
HOU
-
MEL
28h 30m
1 stop
American Airlines Logo
1:35 pm - 11:52 pm
MEL
-
HOU
25h 17m
1 stop
$1,341American Airlines
Wed, Jun 24 - Wed, Jul 8
American Airlines Logo
9:57 am - 6:55 am
HOU
-
SYD
29h 58m
1 stop
American Airlines Logo
12:00 pm - 3:49 pm
SYD
-
HOU
18h 49m
1 stop
$1,356American Airlines
Wed, Apr 29 - Wed, May 13
Qantas Airways Logo
8:12 pm - 2:10 pm
IAH
-
AVV
26h 58m
2 stops
Qantas Airways Logo
6:00 am - 3:48 pm
AVV
-
IAH
24h 48m
2 stops
$2,001Qantas Airways
Mon, Jun 15 - Tue, Jul 14
Qantas Airways Logo
7:41 pm - 2:10 pm
IAH
-
AVV
27h 29m
2 stops
Qantas Airways Logo
6:00 am - 3:48 pm
AVV
-
IAH
24h 48m
2 stops
$2,003Qantas Airways
Mon, May 11 - Mon, May 25

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets
American Airlines
Apr 29
HOU9:57 amHouston Hobby
29h 58m
1 stop
SYD6:55 amSydney Kingsford Smith
May 13
SYD12:00 pmSydney Kingsford Smith
18h 49m
1 stop
HOU3:49 pmHouston Hobby
$1,356
American Airlines
Apr 29
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
$1,358
American Airlines
Apr 29
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
$1,359

Air New Zealand flights from Houston to Australia

Our best Air New Zealand deals on Houston to Australia flight tickets
Air New Zealand
May 11
IAH9:55 pmHouston George Bush Intcntl
22h 00m
1 stop
MEL10:55 amMelbourne
May 25
MEL8:35 amMelbourne
22h 50m
1 stop
IAH4:25 pmHouston George Bush Intcntl
$1,020
Air New Zealand
Apr 6
IAH9:55 pmHouston George Bush Intcntl
19h 50m
1 stop
SYD8:45 amSydney Kingsford Smith
Apr 27
SYD11:55 amSydney Kingsford Smith
19h 30m
1 stop
IAH4:25 pmHouston George Bush Intcntl
$1,021
Air New Zealand
May 11
IAH9:55 pmHouston George Bush Intcntl
22h 00m
1 stop
MEL10:55 amMelbourne
May 25
MEL8:35 amMelbourne
29h 43m
2 stops
IAH11:18 pmHouston George Bush Intcntl
$1,029

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 13, 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 4/28

9:33 am-7:30 am

1 stop30h 57m

Sydney Kingsford Smith

Mon 5/11

1:15 pm-6:02 pm

2 stops43h 47m

$869

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 4/29

9:33 am-7:30 am

1 stop30h 57m

Sydney Kingsford Smith

Mon 5/11

1:15 pm-6:02 pm

2 stops43h 47m

$881

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 5/11

9:55 pm-10:55 am

1 stop22h 00m

Melbourne

Mon 5/25

8:35 am-4:25 pm

1 stop22h 50m

$1,020

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 5/11

9:55 pm-10:55 am

1 stop22h 00m

Melbourne

Mon 5/25

8:35 am-11:18 pm

2 stops29h 43m

$1,029

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Wed 3/18

6:00 am-7:20 am

2 stops34h 20m

Brisbane

Wed 3/25

10:05 am-10:42 pm

2 stops27h 37m

$1,170

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Fri 3/13

6:00 am-7:20 am

2 stops34h 20m

Brisbane

Fri 3/20

9:40 am-9:21 am

2 stops38h 41m

$1,271

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Wed 6/24

9:30 am-5:00 am

1 stop28h 30m

Melbourne

Wed 7/8

1:35 pm-11:52 pm

1 stop25h 17m

$1,341

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

Wed 4/29

9:57 am-6:55 am

1 stop29h 58m

Sydney Kingsford Smith

Wed 5/13

12:00 pm-3:49 pm

1 stop18h 49m

$1,356

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Mon 6/15

8:12 pm-2:10 pm

2 stops26h 58m

Melbourne Avalon

Tue 7/14

6:00 am-3:48 pm

2 stops24h 48m

$2,001

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Mon 5/11

7:41 pm-2:10 pm

2 stops27h 29m

Melbourne Avalon

Mon 5/25

6:00 am-3:48 pm

2 stops24h 48m

$2,003

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 $895. 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 $1,288 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 $979 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
8,191 reviews
Search Delta flights
Qantas AirwaysPriceFrom $447Free CancellationRating
7.5
989 reviews
Search Qantas Airways flights
Fiji AirwaysPriceFrom $740Free CancellationRating
8.0
225 reviews
Search Fiji Airways flights
Air CanadaPriceFrom $750Free CancellationRating
7.1
10,715 reviews
Search Air Canada flights
Air New ZealandPriceFrom $783Free CancellationRating
8.0
582 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $817Free CancellationRating
7.2
11,277 reviews
Search American Airlines flights
United AirlinesPriceFrom $839Free CancellationRating
7.4
9,284 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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