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Cheap flights from Houston George Bush Intcntl Airport to Australia from $485

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 9/15. 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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Find the cheapest flights from Houston George Bush Intcntl Airport to Australia

Cheap round-trip flights

Logo
7:10 am - 10:10 pmIAH-SYD
48h 00m2 stops
Logo
1:15 pm - 4:30 amSYD-IAH
30h 15m2 stops
$942
Find Deal
Sun, Sep 7 - Tue, Sep 30
Logo
7:10 am - 11:45 amIAH-SYD
37h 35m2 stops
Logo
1:15 pm - 4:30 amSYD-IAH
30h 15m2 stops
$951
Find Deal
Wed, Sep 17 - Wed, Sep 24
Air New Zealand Logo
8:05 pm - 8:45 amIAH-SYD
19h 40m1 stop
Air New Zealand Logo
9:55 am - 2:05 pmSYD-IAH
21h 10m1 stop
$995Air New Zealand
Find Deal
Mon, Nov 10 - Sun, Nov 23
Air New Zealand Logo
2:20 pm - 8:45 amIAH-SYD
25h 25m2 stops
Air New Zealand Logo
9:55 am - 2:05 pmSYD-IAH
21h 10m1 stop
$999Air New Zealand
Find Deal
Mon, Nov 3 - Sun, Nov 16
American Airlines Logo
10:41 am - 5:00 amIAH-BNE
26h 19m2 stops
American Airlines Logo
7:25 pm - 11:51 pmBNE-IAH
20h 26m2 stops
$1,439American Airlines
Find Deal
Wed, Nov 19 - Sun, Nov 30
American Airlines Logo
4:47 pm - 5:00 amIAH-BNE
20h 13m1 stop
American Airlines Logo
9:40 am - 11:51 pmBNE-IAH
30h 11m1 stop
$1,447American Airlines
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Tue, Nov 18 - Sun, Nov 30
United Airlines Logo
6:50 pm - 7:30 amIAH-BNE
20h 40m1 stop
United Airlines Logo
11:40 am - 5:09 pmBNE-IAH
21h 29m1 stop
$1,507United Airlines
Find Deal
Tue, Nov 18 - Sat, Dec 6
Qantas Airways Logo
2:31 pm - 3:50 pmIAH-AVV
32h 19m2 stops
Qantas Airways Logo
10:20 am - 3:43 pmAVV-IAH
22h 23m2 stops
$2,004Qantas Airways
Find Deal
Wed, Feb 11 - Wed, Feb 25
Qantas Airways Logo
6:37 pm - 3:50 pmIAH-AVV
28h 13m2 stops
Qantas Airways Logo
8:55 pm - 7:56 pmAVV-IAH
40h 01m2 stops
$2,006Qantas Airways
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Sun, Feb 1 - Sat, Feb 28
United Airlines Logo
8:25 pm - 2:55 pmIAH-CNS
26h 30m1 stop
United Airlines Logo
6:00 am - 9:59 pmCNS-IAH
31h 59m2 stops
$2,586United Airlines
Find Deal
Sat, Nov 8 - Wed, Nov 12

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
Nov 10
IAH8:05 pmHouston George Bush Intcntl
19h 40m
1 stop
SYD8:45 amSydney Kingsford Smith
Nov 23
SYD9:55 amSydney Kingsford Smith
21h 10m
1 stop
IAH2:05 pmHouston George Bush Intcntl
$995
Find similar
Air New Zealand
Nov 3
IAH2:20 pmHouston George Bush Intcntl
25h 25m
2 stops
SYD8:45 amSydney Kingsford Smith
Nov 16
SYD9:55 amSydney Kingsford Smith
21h 10m
1 stop
IAH2:05 pmHouston George Bush Intcntl
$999
Find similar
Air New Zealand
Nov 10
IAH8:05 pmHouston George Bush Intcntl
19h 40m
1 stop
SYD8:45 amSydney Kingsford Smith
Nov 23
SYD1:55 pmSydney Kingsford Smith
27h 04m
2 stops
IAH11:59 pmHouston George Bush Intcntl
$1,005
Find similar

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
Aug 27
IAH10:00 amHouston George Bush Intcntl
54h 20m
2 stops
SYD7:20 amSydney Kingsford Smith
Sep 18
SYD9:20 amSydney Kingsford Smith
24h 22m
1 stop
IAH6:42 pmHouston George Bush Intcntl
$1,268
Find similar
Air Canada
Aug 27
IAH10:00 amHouston George Bush Intcntl
54h 20m
2 stops
SYD7:20 amSydney Kingsford Smith
Sep 18
SYD9:20 amSydney Kingsford Smith
38h 28m
2 stops
IAH8:48 amHouston George Bush Intcntl
$1,275
Find similar
Air Canada
Feb 9
IAH5:25 pmHouston George Bush Intcntl
27h 50m
2 stops
MEL2:15 pmMelbourne
Feb 18
MEL8:00 amMelbourne
30h 44m
3 stops
IAH9:44 pmHouston George Bush Intcntl
$1,282
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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 August 19, 2025.
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

Sun 9/7

7:10 am-10:10 pm

2 stops48h 00m

Sydney Kingsford Smith

Tue 9/30

1:15 pm-4:30 am

2 stops30h 15m

$942

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Wed 9/17

7:10 am-11:45 am

2 stops37h 35m

Sydney Kingsford Smith

Wed 9/24

1:15 pm-4:30 am

2 stops30h 15m

$951

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 11/10

8:05 pm-8:45 am

1 stop19h 40m

Sydney Kingsford Smith

Sun 11/23

9:55 am-2:05 pm

1 stop21h 10m

$995

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Mon 11/3

2:20 pm-8:45 am

2 stops25h 25m

Sydney Kingsford Smith

Sun 11/16

9:55 am-2:05 pm

1 stop21h 10m

$999

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Wed 11/19

10:41 am-5:00 am

2 stops26h 19m

Brisbane

Sun 11/30

7:25 pm-11:51 pm

2 stops20h 26m

$1,439

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 11/18

4:47 pm-5:00 am

1 stop20h 13m

Brisbane

Sun 11/30

9:40 am-11:51 pm

1 stop30h 11m

$1,447

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Tue 11/18

6:50 pm-7:30 am

1 stop20h 40m

Brisbane

Sat 12/6

11:40 am-5:09 pm

1 stop21h 29m

$1,507

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Wed 2/11

2:31 pm-3:50 pm

2 stops32h 19m

Melbourne Avalon

Wed 2/25

10:20 am-3:43 pm

2 stops22h 23m

$2,004

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Sun 2/1

6:37 pm-3:50 pm

2 stops28h 13m

Melbourne Avalon

Sat 2/28

8:55 pm-7:56 pm

2 stops40h 01m

$2,006

HoustonCairns

IAH - CNS

IAHCNS

Houston George Bush Intcntl

Sat 11/8

8:25 pm-2:55 pm

1 stop26h 30m

Cairns

Wed 11/12

6:00 am-9:59 pm

2 stops31h 59m

$2,586

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 April is, on average, the cheapest month to fly to Australia from Houston George Bush Intcntl Airport, with most prices found around $932. If you aren’t able to travel during the month of April, then book flights to Australia from Houston George Bush Intcntl Airport during June instead. Flights to Australia in June, while not as cheap as those in April, still average around $963.

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 $1,491. On the other hand, Tuesday 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 $2,040.

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

Flying to Australia from Houston George Bush Intcntl Airport at noon is the least expensive time of day to depart. momondo users have found prices as low as $867 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the evening when prices are $1,739 on average. Flights to Australia from Houston George Bush Intcntl Airport in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,212 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 $962 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 7% 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

$485

Fastest flight time

17h 30m

Direct flights

Every day

Airports in Australia

6 airports
The best one-way flight to Australia from Houston George Bush Intcntl Airport in the past 72 hours is $485. The best round-trip flight deal from Houston George Bush Intcntl Airport to Australia found on momondo in the last 72 hours is $942.
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 6 airports near Australia: Melbourne (MEL), Brisbane (BNE), Cairns (CNS), Adelaide (ADL), Perth (PER), Sydney Kingsford Smith (SYD)
Search flight deals

  • 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
Qantas AirwaysPriceFrom $675Free CancellationRating
7.5
896 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $685Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights
DeltaPriceFrom $830Free CancellationRating
7.9
7,981 reviews
Search Delta flights
Air New ZealandPriceFrom $893Free CancellationRating
8.0
504 reviews
Search Air New Zealand flights
Fiji AirwaysPriceFrom $995Free CancellationRating
8.0
204 reviews
Search Fiji Airways flights
Air CanadaPriceFrom $1,037Free CancellationRating
7.1
9,997 reviews
Search Air Canada flights
United AirlinesPriceFrom $1,156Free CancellationRating
7.4
8,922 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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