Cheap flights from Houston to Australia from $505

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 3/24. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.

Find the cheapest flights from Houston to Australia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:08 pm - 12:35 pm
IAH
-
SYD
27h 27m2 stops
Multiple Airlines Logo
2:00 pm - 11:59 pm
SYD
-
IAH
26h 59m2 stops
$820Multiple Airlines
mié., feb. 4 - mié., feb. 11
Multiple Airlines Logo
4:08 pm - 10:05 pm
IAH
-
SYD
36h 57m2 stops
Multiple Airlines Logo
2:00 pm - 11:59 pm
SYD
-
IAH
26h 59m2 stops
$871Multiple Airlines
mié., feb. 4 - mié., feb. 11
American Airlines Logo
7:42 pm - 9:00 am
IAH
-
SYD
21h 18m1 stop
American Airlines Logo
11:20 am - 7:11 pm
SYD
-
IAH
23h 51m1 stop
$939American Airlines
mar., mar. 10 - mar., mar. 24
American Airlines Logo
4:19 pm - 7:05 am
HOU
-
SYD
23h 46m2 stops
American Airlines Logo
9:10 am - 3:49 pm
SYD
-
HOU
21h 39m2 stops
$944American Airlines
mar., may. 5 - mar., may. 12
Qantas Airways Logo
7:42 pm - 9:00 am
IAH
-
SYD
21h 18m1 stop
Qantas Airways Logo
11:20 am - 7:11 pm
SYD
-
IAH
23h 51m1 stop
$980Qantas Airways
mar., mar. 10 - mar., mar. 24
Air New Zealand Logo
3:02 pm - 10:55 am
IAH
-
MEL
26h 53m2 stops
Air New Zealand Logo
12:10 pm - 2:05 pm
MEL
-
IAH
18h 55m1 stop
$1,019Air New Zealand
mié., feb. 25 - mié., mar. 4
Air New Zealand Logo
8:05 pm - 10:55 am
IAH
-
MEL
21h 50m1 stop
Air New Zealand Logo
10:35 am - 2:05 pm
MEL
-
IAH
20h 30m1 stop
$1,021Air New Zealand
mié., feb. 25 - mié., mar. 4
Delta Logo
11:09 am - 8:20 am
HOU
-
BNE
29h 11m2 stops
Delta Logo
10:40 am - 10:28 pm
BNE
-
HOU
27h 48m2 stops
$1,265Delta
vie., feb. 6 - vie., feb. 13
Delta Logo
10:05 am - 7:50 am
HOU
-
MEL
30h 45m2 stops
Delta Logo
10:00 am - 9:35 pm
MEL
-
HOU
26h 35m2 stops
$1,469Delta
mié., jun. 24 - mié., jul. 8
Qantas Airways Logo
7:41 pm - 2:10 pm
IAH
-
AVV
27h 29m2 stops
Qantas Airways Logo
8:55 pm - 3:51 pm
AVV
-
IAH
33h 56m2 stops
$1,989Qantas Airways
lun., abr. 20 - lun., may. 11

Air New Zealand flights from Houston to Australia

Our best Air New Zealand deals on Houston to Australia flight tickets
Air New Zealand
Feb 9
IAH8:05 pmHouston George Bush Intcntl
21h 25m
1 stop
SYD10:30 amSydney Kingsford Smith
Feb 16
SYD11:45 amSydney Kingsford Smith
19h 20m
1 stop
IAH2:05 pmHouston George Bush Intcntl
$999
Air New Zealand
Feb 4
IAH3:22 pmHouston George Bush Intcntl
26h 08m
2 stops
SYD10:30 amSydney Kingsford Smith
Feb 11
SYD9:55 amSydney Kingsford Smith
21h 10m
1 stop
IAH2:05 pmHouston George Bush Intcntl
$1,003
Air New Zealand
Jun 1
IAH9:55 pmHouston George Bush Intcntl
22h 00m
1 stop
MEL10:55 amMelbourne
Jun 10
MEL12:10 pmMelbourne
19h 15m
1 stop
IAH4:25 pmHouston George Bush Intcntl
$1,004

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets
American Airlines
Mar 10
IAH7:42 pmHouston George Bush Intcntl
21h 18m
1 stop
SYD9:00 amSydney Kingsford Smith
Mar 24
SYD11:20 amSydney Kingsford Smith
23h 51m
1 stop
IAH7:11 pmHouston George Bush Intcntl
$939
American Airlines
May 4
IAH7:41 pmHouston George Bush Intcntl
20h 49m
1 stop
SYD7:30 amSydney Kingsford Smith
May 13
SYD9:10 amSydney Kingsford Smith
25h 01m
1 stop
IAH7:11 pmHouston George Bush Intcntl
$941
American Airlines
Mar 10
IAH4:36 pmHouston George Bush Intcntl
24h 24m
2 stops
SYD9:00 amSydney Kingsford Smith
Mar 24
SYD11:20 amSydney Kingsford Smith
22h 36m
2 stops
IAH5:56 pmHouston George Bush Intcntl
$944

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 enero 8, 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

mié. 2/4

4:08 pm-12:35 pm

2 stops27h 27m

Sydney Kingsford Smith

mié. 2/11

2:00 pm-11:59 pm

2 stops26h 59m

$820

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

mié. 2/4

4:08 pm-10:05 pm

2 stops36h 57m

Sydney Kingsford Smith

mié. 2/11

2:00 pm-11:59 pm

2 stops26h 59m

$871

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

mar. 3/10

7:42 pm-9:00 am

1 stop21h 18m

Sydney Kingsford Smith

mar. 3/24

11:20 am-7:11 pm

1 stop23h 51m

$939

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

mar. 5/5

4:19 pm-7:05 am

2 stops23h 46m

Sydney Kingsford Smith

mar. 5/12

9:10 am-3:49 pm

2 stops21h 39m

$944

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

mar. 3/10

7:42 pm-9:00 am

1 stop21h 18m

Sydney Kingsford Smith

mar. 3/24

11:20 am-7:11 pm

1 stop23h 51m

$980

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

mié. 2/25

3:02 pm-10:55 am

2 stops26h 53m

Melbourne

mié. 3/4

12:10 pm-2:05 pm

1 stop18h 55m

$1,019

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

mié. 2/25

8:05 pm-10:55 am

1 stop21h 50m

Melbourne

mié. 3/4

10:35 am-2:05 pm

1 stop20h 30m

$1,021

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

vie. 2/6

11:09 am-8:20 am

2 stops29h 11m

Brisbane

vie. 2/13

10:40 am-10:28 pm

2 stops27h 48m

$1,265

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

mié. 6/24

10:05 am-7:50 am

2 stops30h 45m

Melbourne

mié. 7/8

10:00 am-9:35 pm

2 stops26h 35m

$1,469

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

lun. 4/20

7:41 pm-2:10 pm

2 stops27h 29m

Melbourne Avalon

lun. 5/11

8:55 pm-3:51 pm

2 stops33h 56m

$1,989

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 March instead. Flights to Australia in March, while not as cheap as those in July, still average around $873.

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 $1,146 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 $959 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).
  • 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
8,032 reviews
Search Delta flights
Air CanadaPriceFrom $750Free CancellationRating
7.1
10,603 reviews
Search Air Canada flights
Air New ZealandPriceFrom $783Free CancellationRating
8.0
567 reviews
Search Air New Zealand flights
Fiji AirwaysPriceFrom $790Free CancellationRating
8.0
216 reviews
Search Fiji Airways flights
Qantas AirwaysPriceFrom $799Free CancellationRating
7.5
968 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $817Free CancellationRating
7.2
11,097 reviews
Search American Airlines flights
United AirlinesPriceFrom $839Free CancellationRating
7.4
9,142 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.

An easier way to manage your Australia trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
sáb. 2/7
sáb. 2/14

Find better results for your trip to Australia

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo