What airlines fly to Australia?

Air New Zealand, United Airlines and Air Canada are the top three most popular airlines that fly to Australia from Houston George Bush Intcntl Airport according to our data. Air New Zealand is the first choice among our users, with 56% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 7 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Houston George Bush Intcntl to Australia?

American Airlines, Air New Zealand, and Qatar Airways are the most popular carriers operating from Houston George Bush Intcntl to Australia

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

As of March 2026, there are 7 operators available to choose from 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.

$443 Cheap Flights from Houston George Bush Intcntl Airport to Australia in 2026

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

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

2:36 pm - 11:50 am

IAH

SYD

30h 14m

2 stops

1:15 pm - 1:25 am

SYD

IAH

27h 10m

2 stops

$803Multiple Airlines

Sun, Apr 26 - Mon, May 11

10:49 am - 11:50 am

IAH

SYD

34h 01m

2 stops

1:15 pm - 12:33 pm

SYD

IAH

38h 18m

3 stops

$911Multiple Airlines

Sun, Apr 26 - Mon, May 11

6:00 am - 11:50 am

IAH

SYD

38h 50m

2 stops

1:15 pm - 1:25 am

SYD

IAH

27h 10m

2 stops

$912Multiple Airlines

Tue, May 26 - Thu, Jun 4

5:25 pm - 7:05 am

IAH

BNE

22h 40m

1 stop

10:00 am - 3:44 pm

BNE

IAH

20h 44m

1 stop

$952Air Canada

Mon, Apr 27 - Wed, May 13

11:50 am - 7:05 am

IAH

BNE

52h 15m

2 stops

10:00 am - 3:44 pm

BNE

IAH

20h 44m

1 stop

$955Air Canada

Mon, Apr 27 - Wed, May 13

4:31 pm - 10:45 am

IAH

OOL

27h 14m

2 stops

11:55 am - 4:25 pm

OOL

IAH

19h 30m

1 stop

$1,728Air New Zealand

Mon, Jun 29 - Wed, Jul 29

4:31 pm - 10:45 am

IAH

OOL

27h 14m

2 stops

11:55 am - 8:49 pm

OOL

IAH

23h 54m

2 stops

$1,738Air New Zealand

Mon, Jun 29 - Wed, Jul 29

8:09 pm - 2:10 pm

IAH

AVV

27h 01m

2 stops

6:00 am - 7:03 pm

AVV

IAH

28h 03m

2 stops

$2,153Qantas Airways

Sat, Aug 1 - Mon, Aug 17

4:45 pm - 1:15 pm

IAH

CBR

29h 30m

2 stops

7:15 am - 10:51 pm

CBR

IAH

30h 36m

2 stops

$2,204United Airlines

Wed, May 13 - Wed, May 20

10:09 pm - 11:55 am

IAH

HBA

46h 46m

2 stops

6:25 am - 12:57 am

HBA

IAH

33h 32m

2 stops

$2,744United Airlines

Sat, Aug 15 - Wed, Aug 19

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

Apr 27

IAH5:25 pmHouston George Bush Intcntl

22h 40m

1 stop

BNE7:05 amBrisbane

May 13

BNE10:00 amBrisbane

20h 44m

1 stop

IAH3:44 pmHouston George Bush Intcntl

$952

Air Canada

Apr 27

IAH11:50 amHouston George Bush Intcntl

52h 15m

2 stops

BNE7:05 amBrisbane

May 13

BNE10:00 amBrisbane

20h 44m

1 stop

IAH3:44 pmHouston George Bush Intcntl

$955

Air Canada

May 4

IAH4:45 pmHouston George Bush Intcntl

23h 20m

1 stop

BNE7:05 amBrisbane

May 22

BNE10:00 amBrisbane

42h 24m

2 stops

IAH1:24 pmHouston George Bush Intcntl

$979

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

Jun 22

IAH9:55 pmHouston George Bush Intcntl

22h 00m

1 stop

MEL10:55 amMelbourne

Jul 19

MEL9:30 amMelbourne

30h 20m

1 stop

IAH12:50 amHouston George Bush Intcntl

$1,443

Air New Zealand

Jun 15

IAH6:38 pmHouston George Bush Intcntl

21h 52m

1 stop

MEL7:30 amMelbourne

Jul 14

MEL8:35 amMelbourne

29h 39m

2 stops

IAH11:14 pmHouston George Bush Intcntl

$1,462

Air New Zealand

Jun 8

IAH2:54 pmHouston George Bush Intcntl

25h 36m

1 stop

MEL7:30 amMelbourne

Aug 10

MEL8:35 amMelbourne

22h 50m

1 stop

IAH4:25 pmHouston George Bush Intcntl

$1,486

momondo Fare Finder

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

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 4/26

2:36 pm-11:50 am

2 stops30h 14m

Sydney Kingsford Smith

Mon 5/11

1:15 pm-1:25 am

2 stops27h 10m

$803

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Sun 4/26

10:49 am-11:50 am

2 stops34h 01m

Sydney Kingsford Smith

Mon 5/11

1:15 pm-12:33 pm

3 stops38h 18m

$911

HoustonSydney

IAH - SYD

IAHSYD

Houston George Bush Intcntl

Tue 5/26

6:00 am-11:50 am

2 stops38h 50m

Sydney Kingsford Smith

Thu 6/4

1:15 pm-1:25 am

2 stops27h 10m

$912

Quickest round-trip

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Mon 4/27

5:25 pm-7:05 am

1 stop22h 40m

Brisbane

Wed 5/13

10:00 am-3:44 pm

1 stop20h 44m

$952

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Mon 4/27

11:50 am-7:05 am

2 stops52h 15m

Brisbane

Wed 5/13

10:00 am-3:44 pm

1 stop20h 44m

$955

HoustonCoolangatta

IAH - OOL

IAHOOL

Houston George Bush Intcntl

Mon 6/29

4:31 pm-10:45 am

2 stops27h 14m

Coolangatta Gold Coast

Wed 7/29

11:55 am-4:25 pm

1 stop19h 30m

$1,728

HoustonCoolangatta

IAH - OOL

IAHOOL

Houston George Bush Intcntl

Mon 6/29

4:31 pm-10:45 am

2 stops27h 14m

Coolangatta Gold Coast

Wed 7/29

11:55 am-8:49 pm

2 stops23h 54m

$1,738

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

Sat 8/1

8:09 pm-2:10 pm

2 stops27h 01m

Melbourne Avalon

Mon 8/17

6:00 am-7:03 pm

2 stops28h 03m

$2,153

HoustonCanberra

IAH - CBR

IAHCBR

Houston George Bush Intcntl

Wed 5/13

4:45 pm-1:15 pm

2 stops29h 30m

Canberra

Wed 5/20

7:15 am-10:51 pm

2 stops30h 36m

$2,204

HoustonHobart

IAH - HBA

IAHHBA

Houston George Bush Intcntl

Sat 8/15

10:09 pm-11:55 am

2 stops46h 46m

Hobart

Wed 8/19

6:25 am-12:57 am

2 stops33h 32m

$2,744

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

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

Prices

Airlines

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 $1,166.

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 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 $1,433 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 $899 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	$1,519
Fastest flight time	21h 50m
Direct flights	None

The best flight deal from Houston George Bush Intcntl Airport to Australia found on momondo in the last 72 hours is $1,519

The fastest flight from Houston George Bush Intcntl Airport to Australia takes 21h 50m

There are no direct flights from Houston George Bush Intcntl Airport to Australia. There are no popular flight routes from Houston George Bush Intcntl Airport to Australia.

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?
As of March 2026, there are 7 operators available to choose from 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?
momondo data reveals that the most frequently booked plane model on the route from Houston George Bush Intcntl Airport to Australia is Boeing 787-9 Dreamliner, representing 82.09% of all bookings. The subsequent popular models are Airbus A320-100/200 at 8.96%, Airbus A350-900 at 4.48%, and Boeing 777-300ER at 1.49%.

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
Delta	PriceFrom $203	Free Cancellation	Rating 7.9 8,364 reviews	Search Delta flights
Fiji Airways	PriceFrom $702	Free Cancellation	Rating 8.1 237 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $750	Free Cancellation	Rating 7.1 10,866 reviews	Search Air Canada flights
Qantas Airways	PriceFrom $794	Free Cancellation	Rating 7.5 1,016 reviews	Search Qantas Airways flights
Air New Zealand	PriceFrom $830	Free Cancellation	Rating 8.0 623 reviews	Search Air New Zealand flights
American Airlines	PriceFrom $844	Free Cancellation	Rating 7.1 11,543 reviews	Search American Airlines flights
United Airlines	PriceFrom $849	Free Cancellation	Rating 7.4 9,525 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.