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Cheap flights from Houston George Bush Intcntl Airport to Australia from $590

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 9/1. 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
1 adult, Economy, 0 bags

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Find the cheapest flights from Houston George Bush Intcntl Airport to Australia

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
4:21 pm - 12:00 pm
IAH
-
MEL
28h 39m
2 stops
Multiple Airlines Logo
1:25 pm - 11:56 pm
MEL
-
IAH
25h 31m
2 stops
$1,189Multiple Airlines
Wed, Jul 1 - Wed, Jul 8
Multiple Airlines Logo
4:21 pm - 12:25 pm
IAH
-
MEL
29h 04m
2 stops
Multiple Airlines Logo
1:30 pm - 11:56 pm
MEL
-
IAH
25h 26m
2 stops
$1,203Multiple Airlines
Mon, Jun 29 - Mon, Jul 6
Multiple Airlines Logo
6:10 am - 12:25 pm
IAH
-
MEL
39h 15m
2 stops
Multiple Airlines Logo
1:30 pm - 11:56 pm
MEL
-
IAH
25h 26m
2 stops
$1,205Multiple Airlines
Mon, Jun 29 - Mon, Jul 6
Multiple Airlines Logo
6:50 pm - 7:20 pm
IAH
-
MEL
33h 30m
2 stops
Multiple Airlines Logo
7:30 am - 8:40 pm
MEL
-
IAH
28h 10m
2 stops
$1,207Multiple Airlines
Sat, Aug 8 - Sat, Aug 22
Air New Zealand Logo
9:55 pm - 11:05 am
IAH
-
BNE
22h 10m
1 stop
Air New Zealand Logo
8:40 am - 3:25 pm
BNE
-
IAH
21h 45m
1 stop
$1,460Air New Zealand
Wed, Sep 23 - Wed, Oct 7
Air New Zealand Logo
9:55 pm - 11:05 am
IAH
-
BNE
22h 10m
1 stop
Air New Zealand Logo
9:40 am - 4:25 pm
BNE
-
IAH
21h 45m
1 stop
$1,481Air New Zealand
Sat, Jun 27 - Mon, Jul 13
Air Canada Logo
4:45 pm - 7:05 am
IAH
-
BNE
23h 20m
1 stop
Air Canada Logo
10:00 am - 8:28 am
BNE
-
IAH
37h 28m
2 stops
$1,505Air Canada
Wed, Sep 23 - Wed, Oct 7
Air Canada Logo
6:10 pm - 8:45 am
IAH
-
BNE
22h 35m
1 stop
Air Canada Logo
10:45 am - 2:38 pm
BNE
-
IAH
19h 53m
1 stop
$1,508Air Canada
Sat, Nov 21 - Sun, Nov 29
Qantas Airways Logo
5:30 pm - 3:20 pm
IAH
-
AVV
29h 50m
2 stops
Qantas Airways Logo
6:00 am - 4:58 pm
AVV
-
IAH
26h 58m
2 stops
$2,093Qantas Airways
Tue, Oct 6 - Wed, Oct 21
Qantas Airways Logo
4:47 pm - 2:05 pm
IAH
-
AVV
28h 18m
2 stops
Qantas Airways Logo
2:50 pm - 3:58 pm
AVV
-
IAH
42h 08m
2 stops
$2,099Qantas Airways
Tue, Nov 3 - Sat, Nov 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
Jul 26
IAH7:50 pmHouston George Bush Intcntl
20h 10m
1 stop
SYD7:00 amSydney Kingsford Smith
Aug 5
SYD11:55 amSydney Kingsford Smith
26h 19m
2 stops
IAH11:14 pmHouston George Bush Intcntl
$1,439
Air New Zealand
Aug 16
IAH4:30 pmHouston George Bush Intcntl
27h 10m
2 stops
SYD10:40 amSydney Kingsford Smith
Aug 24
SYD10:20 amSydney Kingsford Smith
25h 10m
1 stop
IAH8:30 pmHouston George Bush Intcntl
$1,443
Air New Zealand
Jul 6
IAH9:55 pmHouston George Bush Intcntl
32h 55m
1 stop
SYD9:50 pmSydney Kingsford Smith
Jul 20
SYD7:20 pmSydney Kingsford Smith
42h 54m
2 stops
IAH11:14 pmHouston George Bush Intcntl
$1,447

Air Canada flights from Houston George Bush Intcntl Airport to Australia

Our best Air Canada deals on Houston George Bush Intcntl Airport to Australia flight tickets
Air Canada
Sep 23
IAH4:45 pmHouston George Bush Intcntl
23h 20m
1 stop
BNE7:05 amBrisbane
Oct 7
BNE10:00 amBrisbane
37h 28m
2 stops
IAH8:28 amHouston George Bush Intcntl
$1,505
Air Canada
Jun 17
IAH5:20 pmHouston George Bush Intcntl
22h 45m
1 stop
BNE7:05 amBrisbane
Jul 5
BNE10:00 amBrisbane
21h 30m
1 stop
IAH4:30 pmHouston George Bush Intcntl
$1,508
Air Canada
Jun 16
IAH5:20 pmHouston George Bush Intcntl
22h 45m
1 stop
BNE7:05 amBrisbane
Jul 5
BNE10:00 amBrisbane
21h 30m
1 stop
IAH4:30 pmHouston George Bush Intcntl
$1,518

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 June 4, 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

Cheapest round-trip

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Wed 7/1

4:21 pm-12:00 pm

2 stops28h 39m

Melbourne

Wed 7/8

1:25 pm-11:56 pm

2 stops25h 31m

$1,189

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 6/29

4:21 pm-12:25 pm

2 stops29h 04m

Melbourne

Mon 7/6

1:30 pm-11:56 pm

2 stops25h 26m

$1,203

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 6/29

6:10 am-12:25 pm

2 stops39h 15m

Melbourne

Mon 7/6

1:30 pm-11:56 pm

2 stops25h 26m

$1,205

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Sat 8/8

6:50 pm-7:20 pm

2 stops33h 30m

Melbourne

Sat 8/22

7:30 am-8:40 pm

2 stops28h 10m

$1,207

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 9/23

9:55 pm-11:05 am

1 stop22h 10m

Brisbane

Wed 10/7

8:40 am-3:25 pm

1 stop21h 45m

$1,460

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sat 6/27

9:55 pm-11:05 am

1 stop22h 10m

Brisbane

Mon 7/13

9:40 am-4:25 pm

1 stop21h 45m

$1,481

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 9/23

4:45 pm-7:05 am

1 stop23h 20m

Brisbane

Wed 10/7

10:00 am-8:28 am

2 stops37h 28m

$1,505
Quickest round-trip

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Sat 11/21

6:10 pm-8:45 am

1 stop22h 35m

Brisbane

Sun 11/29

10:45 am-2:38 pm

1 stop19h 53m

$1,508

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Tue 10/6

5:30 pm-3:20 pm

2 stops29h 50m

Melbourne Avalon

Wed 10/21

6:00 am-4:58 pm

2 stops26h 58m

$2,093

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Tue 11/3

4:47 pm-2:05 pm

2 stops28h 18m

Melbourne Avalon

Sat 11/14

2:50 pm-3:58 pm

2 stops42h 08m

$2,099

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 December is, on average, the cheapest month to fly to Australia from Houston George Bush Intcntl Airport, with most prices found around $150. If you aren’t able to travel during the month of December, then book flights to Australia from Houston George Bush Intcntl Airport during February instead. Flights to Australia in February, while not as cheap as those in December, still average around $184.

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 $1,480. 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 $1,793.

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 from Houston George Bush Intcntl Airport 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 $1,425 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 $1,004 on momondo.

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

There are 3 cabin classes available to choose from on Houston George Bush Intcntl Airport 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 50% 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

Fastest flight time

17h 35m

Direct flights

Every day

Airports in Australia

269 airports
The fastest flight from Houston George Bush Intcntl Airport to Australia takes 17h 35m
Direct flights go from Houston George Bush Intcntl Airport to Australia every day.
There are 269 airports in Australia. From Houston George Bush Intcntl Airport there are direct flights to Sydney Kingsford Smith (SYD).
Search flight deals

Frequently asked questions about flying from Houston George Bush Intcntl Airport to Australia

  • 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 $203Free CancellationRating
7.8
8,398 reviews
Search Delta flights
Air CanadaPriceFrom $750Free CancellationRating
7.1
11,126 reviews
Search Air Canada flights
Qantas AirwaysPriceFrom $794Free CancellationRating
7.5
1,042 reviews
Search Qantas Airways flights
Air New ZealandPriceFrom $830Free CancellationRating
8.0
645 reviews
Search Air New Zealand flights
American AirlinesPriceFrom $844Free CancellationRating
7.1
11,644 reviews
Search American Airlines flights
United AirlinesPriceFrom $849Free CancellationRating
7.4
9,775 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. 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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