Cheap flights from Houston George Bush Intcntl Airport 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 George Bush Intcntl Airport 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.
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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
4:34 pm - 12:35 pm
IAH
-
SYD
27h 01m
2 stops
Multiple Airlines Logo
2:00 pm - 12:30 am
SYD
-
IAH
26h 30m
2 stops
$933Multiple Airlines
Wed, Mar 4 - Tue, Mar 10
Air Canada Logo
4:32 pm - 7:05 am
IAH
-
BNE
47h 33m
2 stops
Air Canada Logo
10:00 am - 1:24 pm
BNE
-
IAH
42h 24m
2 stops
$934Air Canada
Sun, May 17 - Sun, May 24
Air Canada Logo
4:45 pm - 7:05 am
IAH
-
BNE
23h 20m
1 stop
Air Canada Logo
10:00 am - 1:24 pm
BNE
-
IAH
42h 24m
2 stops
$942Air Canada
Sun, May 17 - Sun, May 24
Multiple Airlines Logo
4:22 pm - 12:50 pm
IAH
-
SYD
28h 28m
2 stops
Multiple Airlines Logo
1:15 pm - 12:11 am
SYD
-
IAH
25h 56m
2 stops
$953Multiple Airlines
Tue, Mar 31 - Tue, Apr 7
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
$1,012Air New Zealand
Mon, May 4 - Wed, May 13
Air New Zealand Logo
9:55 pm - 10:40 am
IAH
-
SYD
21h 45m
1 stop
Air New Zealand Logo
9:55 am - 4:25 pm
SYD
-
IAH
21h 30m
1 stop
$1,014Air New Zealand
Mon, Aug 3 - Mon, Aug 17
United Airlines Logo
2:50 pm - 1:35 pm
IAH
-
CBR
30h 45m
2 stops
United Airlines Logo
7:15 am - 10:52 pm
CBR
-
IAH
30h 37m
2 stops
$1,770United Airlines
Sun, Mar 29 - Sun, Apr 5
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
$2,005Qantas Airways
Mon, Jun 15 - Tue, Jul 14
Qantas Airways Logo
7:44 pm - 2:10 pm
IAH
-
AVV
27h 26m
2 stops
Qantas Airways Logo
6:00 am - 3:48 pm
AVV
-
IAH
24h 48m
2 stops
$2,006Qantas Airways
Mon, Jun 15 - Tue, Jul 14

Air New Zealand flights from Houston George Bush Intcntl Airport to Australia

Our best Air New Zealand deals on Houston George Bush Intcntl Airport to Australia flight tickets
Air New Zealand
May 4
IAH9:55 pmHouston George Bush Intcntl
19h 50m
1 stop
SYD8:45 amSydney Kingsford Smith
May 13
SYD11:55 amSydney Kingsford Smith
19h 30m
1 stop
IAH4:25 pmHouston George Bush Intcntl
$1,012
Air New Zealand
Aug 3
IAH9:55 pmHouston George Bush Intcntl
21h 45m
1 stop
SYD10:40 amSydney Kingsford Smith
Aug 17
SYD9:55 amSydney Kingsford Smith
21h 30m
1 stop
IAH4:25 pmHouston George Bush Intcntl
$1,014
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

Delta flights from Houston George Bush Intcntl Airport to Australia

Our best Delta deals on Houston George Bush Intcntl Airport to Australia flight tickets
Delta
Feb 27
IAH4:11 pmHouston George Bush Intcntl
24h 09m
1 stop
BNE8:20 amBrisbane
Mar 13
BNE9:40 amBrisbane
19h 32m
1 stop
IAH2:12 pmHouston George Bush Intcntl
$1,267
Delta
Feb 27
IAH6:38 amHouston George Bush Intcntl
33h 42m
2 stops
BNE8:20 amBrisbane
Mar 13
BNE9:40 amBrisbane
19h 32m
1 stop
IAH2:12 pmHouston George Bush Intcntl
$1,271
Delta
Feb 25
IAH12:42 pmHouston George Bush Intcntl
26h 18m
2 stops
MEL8:00 amMelbourne
Mar 4
MEL10:10 amMelbourne
29h 22m
2 stops
IAH10:32 pmHouston George Bush Intcntl
$1,475

momondo Fare Finder

 
Customize your flight search to find flights from Houston George Bush Intcntl Airport 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 15, 2026.
Use the filters below to find and compare flights from Houston George Bush Intcntl Airport 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 3/4

4:34 pm-12:35 pm

2 stops27h 01m

Sydney Kingsford Smith

Tue 3/10

2:00 pm-12:30 am

2 stops26h 30m

$933

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sun 5/17

4:32 pm-7:05 am

2 stops47h 33m

Brisbane

Sun 5/24

10:00 am-1:24 pm

2 stops42h 24m

$934

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-1:24 pm

2 stops42h 24m

$942

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 3/31

4:22 pm-12:50 pm

2 stops28h 28m

Sydney Kingsford Smith

Tue 4/7

1:15 pm-12:11 am

2 stops25h 56m

$953

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 5/4

9:55 pm-8:45 am

1 stop19h 50m

Sydney Kingsford Smith

Wed 5/13

11:55 am-4:25 pm

1 stop19h 30m

$1,012

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 8/3

9:55 pm-10:40 am

1 stop21h 45m

Sydney Kingsford Smith

Mon 8/17

9:55 am-4:25 pm

1 stop21h 30m

$1,014

HoustonCanberra

IAH - CBR

IAHCBR

Houston George Bush Intcntl

Sun 3/29

2:50 pm-1:35 pm

2 stops30h 45m

Canberra

Sun 4/5

7:15 am-10:52 pm

2 stops30h 37m

$1,770

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

$2,005

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Mon 6/15

7:44 pm-2:10 pm

2 stops27h 26m

Melbourne Avalon

Tue 7/14

6:00 am-3:48 pm

2 stops24h 48m

$2,006

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 George Bush Intcntl Airport 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 October is, on average, the cheapest month to fly to Australia from Houston George Bush Intcntl Airport, with most prices found around $1,130. If you aren’t able to travel during the month of October, then book flights to Australia from Houston George Bush Intcntl Airport during August instead. Flights to Australia in August, while not as cheap as those in October, still average around $1,148.

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

The cheapest day to depart from Houston George Bush Intcntl Airport to Australia is on a Monday. Travelers who choose to depart for Australia on a Monday will often find tickets for as low as $1,493. On the other hand, Saturday is the most expensive day to depart from Houston George Bush Intcntl Airport because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,846.

What is the cheapest Houston George Bush Intcntl to Australia flight route?

Fly from Houston George Bush Intcntl to Sydney Kingsford Smith for the best Houston George Bush Intcntl - 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 George Bush Intcntl Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Australia for around $1,372 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Australia from Houston George Bush Intcntl Airport for as low as $959 on momondo.

What cabin class options are available on Houston George Bush Intcntl to Australia flights?

There are 3 cabin classes available to choose from on Houston George Bush Intcntl to Australia flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Houston George Bush Intcntl Airport to Australia flights?

You could potentially save up to 43% on your flight if you consider stops on a Houston George Bush Intcntl Airport to Australia flight.

Cheap Houston George Bush Intcntl Airport to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Houston George Bush Intcntl Airport to Australia

Best Price Found

$945

Fastest flight time

17h 30m

Direct flights

Every day

Airports in Australia

266 airports
The best one-way flight to Australia from Houston George Bush Intcntl Airport in the past 72 hours is $945. The best round-trip flight deal from Houston George Bush Intcntl Airport to Australia found on momondo in the last 72 hours is $1,460.
The fastest flight from Houston George Bush Intcntl Airport to Australia takes 17h 30m
Direct flights go from Houston George Bush Intcntl Airport to Australia every day.
There are 266 airports in Australia. From Houston George Bush Intcntl Airport there are direct flights to Sydney Kingsford Smith (SYD).
  • When did momondo last update prices for flights from Houston George Bush Intcntl Airport to Australia?

    Prices for flights from Houston George Bush Intcntl Airport to Australia are updated daily.

  • How many operators does momondo search for flights from Houston George Bush Intcntl Airport to Australia?

  • How old do you have to be to fly from Houston George Bush Intcntl Airport to Australia?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Houston George Bush Intcntl Airport to Australia.

  • What documentation or ID do you need to fly to Australia?

    The travel and health documents required for your trip to Australia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Australia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

  • What is the most popular plane model from Houston George Bush Intcntl Airport to Australia?

Best airlines flying from Houston George Bush Intcntl Airport to Australia

Compare and see reviews for airlines that fly from Houston George Bush Intcntl Airport to Australia with momondo
Airline
Rating
Free Cancellation
Price
DeltaPriceFrom $337Free CancellationRating
7.9
8,205 reviews
Search Delta flights
Air CanadaPriceFrom $750Free CancellationRating
7.1
10,720 reviews
Search Air Canada flights
Air New ZealandPriceFrom $783Free CancellationRating
8.0
582 reviews
Search Air New Zealand flights
Qantas AirwaysPriceFrom $799Free CancellationRating
7.5
989 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $820Free CancellationRating
7.2
11,295 reviews
Search American Airlines flights
United AirlinesPriceFrom $849Free CancellationRating
7.4
9,293 reviews
Search United Airlines flights
Fiji AirwaysPriceFrom $983Free CancellationRating
8.0
225 reviews
Search Fiji Airways 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. All flights to Australia from Houston on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

Once you have performed a search for Houston to Australia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Australia from Houston. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Tue 3/17
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