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Cheap flights from Houston to Australia from $537

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 1/17. 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

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Cheap round-trip flights

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Multiple Airlines Logo
4:14 pm - 10:35 amIAH-BNE
26h 21m2 stops
Multiple Airlines Logo
7:35 pm - 12:57 amBNE-IAH
45h 22m3 stops
$979Multiple Airlines
Find Deal
ter, fev 3 - ter, fev 17
Multiple Airlines Logo
9:51 am - 12:25 pmIAH-MEL
33h 34m2 stops
Multiple Airlines Logo
12:00 pm - 7:18 pmMEL-IAH
24h 18m1 stop
$993Multiple Airlines
Find Deal
sáb, fev 14 - sáb, fev 28
Air Canada Logo
9:39 am - 8:45 amIAH-BNE
31h 06m2 stops
Air Canada Logo
10:45 am - 4:24 pmBNE-IAH
21h 39m1 stop
$1,006Air Canada
Find Deal
qui, dez 11 - qui, dez 25
Air Canada Logo
9:39 am - 8:45 amIAH-BNE
31h 06m2 stops
Air Canada Logo
10:45 am - 9:44 pmBNE-IAH
26h 59m2 stops
$1,012Air Canada
Find Deal
qui, dez 11 - qui, dez 25
American Airlines Logo
4:31 pm - 9:30 amHOU-MEL
24h 59m2 stops
American Airlines Logo
12:00 pm - 8:02 pmMEL-HOU
24h 02m2 stops
$1,435American Airlines
Find Deal
dom, mar 15 - ter, mar 24
American Airlines Logo
10:16 am - 6:55 amHOU-SYD
27h 39m1 stop
American Airlines Logo
1:05 pm - 11:43 pmSYD-HOU
26h 38m1 stop
$1,446American Airlines
Find Deal
ter, fev 24 - qua, mar 11
Delta Logo
10:05 am - 7:35 amHOU-SYD
29h 30m2 stops
Delta Logo
9:25 am - 9:46 pmSYD-HOU
27h 21m2 stops
$1,466Delta
Find Deal
dom, mar 29 - dom, abr 5
Delta Logo
1:00 pm - 7:00 amHOU-MEL
26h 00m2 stops
Delta Logo
9:10 am - 9:46 pmMEL-HOU
28h 36m2 stops
$1,466Delta
Find Deal
qua, mar 18 - qua, mar 25
Qantas Airways Logo
4:22 pm - 5:10 pmHOU-BNE
32h 48m2 stops
Qantas Airways Logo
8:30 am - 1:30 pmBNE-HOU
44h 00m2 stops
$1,642Qantas Airways
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qua, fev 18 - qui, mar 12
Qantas Airways Logo
8:28 pm - 2:10 pmIAH-AVV
26h 42m2 stops
Qantas Airways Logo
6:00 am - 3:52 pmAVV-IAH
24h 52m2 stops
$2,001Qantas Airways
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seg, abr 20 - seg, mai 11

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets
American Airlines
Mar 15
HOU4:31 pmHouston Hobby
24h 59m
2 stops
MEL9:30 amMelbourne
Mar 24
MEL12:00 pmMelbourne
24h 02m
2 stops
HOU8:02 pmHouston Hobby
$1,435
Find similar
American Airlines
Feb 3
IAH2:12 pmHouston George Bush Intcntl
22h 48m
1 stop
BNE5:00 amBrisbane
Feb 17
BNE9:40 amBrisbane
17h 52m
1 stop
IAH11:32 amHouston George Bush Intcntl
$1,442
Find similar
American Airlines
Feb 24
HOU10:16 amHouston Hobby
27h 39m
1 stop
SYD6:55 amSydney Kingsford Smith
Mar 11
SYD1:05 pmSydney Kingsford Smith
26h 38m
1 stop
HOU11:43 pmHouston Hobby
$1,446
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Air New Zealand flights from Houston to Australia

Our best Air New Zealand deals on Houston to Australia flight tickets
Air New Zealand
Apr 1
IAH7:50 pmHouston George Bush Intcntl
20h 40m
1 stop
MEL8:30 amMelbourne
Apr 15
MEL8:35 amMelbourne
22h 50m
1 stop
IAH4:25 pmHouston George Bush Intcntl
$1,280
Find similar
Air New Zealand
Feb 2
IAH12:40 pmHouston George Bush Intcntl
27h 50m
1 stop
MEL9:30 amMelbourne
Feb 11
MEL8:35 amMelbourne
22h 30m
1 stop
IAH2:05 pmHouston George Bush Intcntl
$1,282
Find similar
Air New Zealand
Feb 1
IAH5:30 pmHouston George Bush Intcntl
23h 00m
1 stop
MEL9:30 amMelbourne
Jun 9
MEL8:35 amMelbourne
27h 40m
2 stops
IAH9:15 pmHouston George Bush Intcntl
$1,283
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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 novembro 19, 2025.
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

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

ter 2/3

4:14 pm-10:35 am

2 stops26h 21m

Brisbane

ter 2/17

7:35 pm-12:57 am

3 stops45h 22m

$979

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

sáb 2/14

9:51 am-12:25 pm

2 stops33h 34m

Melbourne

sáb 2/28

12:00 pm-7:18 pm

1 stop24h 18m

$993

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

qui 12/11

9:39 am-8:45 am

2 stops31h 06m

Brisbane

qui 12/25

10:45 am-4:24 pm

1 stop21h 39m

$1,006

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

qui 12/11

9:39 am-8:45 am

2 stops31h 06m

Brisbane

qui 12/25

10:45 am-9:44 pm

2 stops26h 59m

$1,012

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

dom 3/15

4:31 pm-9:30 am

2 stops24h 59m

Melbourne

ter 3/24

12:00 pm-8:02 pm

2 stops24h 02m

$1,435

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

ter 2/24

10:16 am-6:55 am

1 stop27h 39m

Sydney Kingsford Smith

qua 3/11

1:05 pm-11:43 pm

1 stop26h 38m

$1,446

HoustonSydney

HOU - SYD

HOUSYD

Houston Hobby

dom 3/29

10:05 am-7:35 am

2 stops29h 30m

Sydney Kingsford Smith

dom 4/5

9:25 am-9:46 pm

2 stops27h 21m

$1,466

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

qua 3/18

1:00 pm-7:00 am

2 stops26h 00m

Melbourne

qua 3/25

9:10 am-9:46 pm

2 stops28h 36m

$1,466

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

qua 2/18

4:22 pm-5:10 pm

2 stops32h 48m

Brisbane

qui 3/12

8:30 am-1:30 pm

2 stops44h 00m

$1,642

HoustonMelbourne

IAH - AVV

IAHAVV

Houston George Bush Intcntl

seg 4/20

8:28 pm-2:10 pm

2 stops26h 42m

Melbourne Avalon

seg 5/11

6:00 am-3:52 pm

2 stops24h 52m

$2,001

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 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 April instead. Flights to Australia in April, while not as cheap as those in July, still average around $874.

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

The cheapest day to depart from Houston to Australia is on a Tuesday. Travelers who choose to depart for Australia on a Tuesday will often find tickets for as low as $1,171. On the other hand, Thursday is the most expensive day to depart from Houston because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,370.

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

Flying to Australia from Houston at noon is the least expensive time of day to depart. momondo users have found prices as low as $868 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 $1,655 on average. Flights to Australia from Houston in the evening are generally more expensive because this time of day is more convenient for travelers’ schedules.

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 $1,075 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 $865 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

Tue, Wed, Thu, Fri, Sat and Sun

Airports in Australia

1 airport
The fastest flight from Houston to Australia takes 17h 30m
Direct flights go from Houston to Australia on Tuesday, Wednesday, Thursday, Friday, Saturday and Sunday. There are no airlines offering direct flights.
There is 1 airport near Australia: Sydney Kingsford Smith (SYD)
Search flight deals

  • 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
8,002 reviews
Search Delta flights
Qantas AirwaysPriceFrom $655Free CancellationRating
7.5
942 reviews
Search Qantas Airways flights
American AirlinesPriceFrom $684Free CancellationRating
7.2
11,045 reviews
Search American Airlines flights
Air New ZealandPriceFrom $783Free CancellationRating
8.0
531 reviews
Search Air New Zealand flights
Fiji AirwaysPriceFrom $790Free CancellationRating
8.1
209 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $839Free CancellationRating
7.4
9,019 reviews
Search United Airlines flights
Air CanadaPriceFrom $998Free CancellationRating
7.1
10,462 reviews
Search Air Canada 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.

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