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Cheap flights from Houston to Australia from $421

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 2/14. 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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Multiple Airlines Logo
5:14 pm - 12:45 pmIAH-MEL
26h 31m2 stops
Multiple Airlines Logo
1:45 pm - 12:22 amMEL-IAH
27h 37m2 stops
$950Multiple Airlines
Find Deal
Mon, Feb 2 - Wed, Feb 11
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
Sat, Feb 14 - Sat, Feb 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
Thu, Dec 11 - Thu, Dec 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
Thu, Dec 11 - Thu, Dec 25
Delta Logo
10:05 am - 8:40 amHOU-MEL
30h 35m2 stops
Delta Logo
10:00 am - 9:20 amMEL-HOU
38h 20m2 stops
$1,165Delta
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Wed, Apr 1 - Wed, Apr 15
American Airlines Logo
9:05 am - 5:00 amHOU-MEL
27h 55m1 stop
American Airlines Logo
2:35 pm - 8:02 pmMEL-HOU
20h 27m1 stop
$1,433American Airlines
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Wed, Apr 1 - Wed, Apr 15
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
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Sun, Mar 15 - Tue, Mar 24
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
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Wed, Mar 18 - Wed, Mar 25
Qantas Airways Logo
4:22 pm - 6:30 amHOU-BNE
22h 08m1 stop
Qantas Airways Logo
6:30 pm - 6:01 pmBNE-HOU
38h 31m2 stops
$1,749Qantas Airways
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Sat, Mar 7 - Fri, Mar 13
Qantas Airways Logo
6:36 pm - 5:10 pmHOU-BNE
30h 34m2 stops
Qantas Airways Logo
8:30 am - 11:46 amBNE-HOU
43h 16m2 stops
$1,875Qantas Airways
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Wed, Feb 11 - Sat, Feb 28

American Airlines flights from Houston to Australia

Our best American Airlines deals on Houston to Australia flight tickets
American Airlines
Apr 1
HOU9:05 amHouston Hobby
27h 55m
1 stop
MEL5:00 amMelbourne
Apr 15
MEL2:35 pmMelbourne
20h 27m
1 stop
HOU8:02 pmHouston Hobby
$1,433
Find similar
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
Apr 1
HOU4:31 pmHouston Hobby
20h 29m
1 stop
MEL5:00 amMelbourne
Apr 15
MEL9:45 amMelbourne
23h 14m
2 stops
HOU5:59 pmHouston Hobby
$1,438
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Qantas Airways flights from Houston to Australia

Our best Qantas Airways deals on Houston to Australia flight tickets
Qantas Airways
Mar 7
HOU4:22 pmHouston Hobby
22h 08m
1 stop
BNE6:30 amBrisbane
Mar 13
BNE6:30 pmBrisbane
38h 31m
2 stops
HOU6:01 pmHouston Hobby
$1,749
Find similar
Qantas Airways
Feb 2
HOU12:47 pmHouston Hobby
23h 13m
1 stop
MEL5:00 amMelbourne
Feb 11
MEL1:55 pmMelbourne
38h 51m
2 stops
HOU11:46 amHouston Hobby
$1,824
Find similar
Qantas Airways
Feb 8
HOU4:55 pmHouston Hobby
21h 00m
1 stop
SYD6:55 amSydney Kingsford Smith
Feb 16
SYD5:50 pmSydney Kingsford Smith
34h 56m
2 stops
HOU11:46 amHouston Hobby
$1,839
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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 November 20, 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

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Mon 2/2

5:14 pm-12:45 pm

2 stops26h 31m

Melbourne

Wed 2/11

1:45 pm-12:22 am

2 stops27h 37m

$950

HoustonMelbourne

IAH - MEL

IAHMEL

Houston George Bush Intcntl

Sat 2/14

9:51 am-12:25 pm

2 stops33h 34m

Melbourne

Sat 2/28

12:00 pm-7:18 pm

1 stop24h 18m

$993

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 12/11

9:39 am-8:45 am

2 stops31h 06m

Brisbane

Thu 12/25

10:45 am-4:24 pm

1 stop21h 39m

$1,006

HoustonBrisbane

IAH - BNE

IAHBNE

Houston George Bush Intcntl

Thu 12/11

9:39 am-8:45 am

2 stops31h 06m

Brisbane

Thu 12/25

10:45 am-9:44 pm

2 stops26h 59m

$1,012

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Wed 4/1

10:05 am-8:40 am

2 stops30h 35m

Melbourne

Wed 4/15

10:00 am-9:20 am

2 stops38h 20m

$1,165

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Wed 4/1

9:05 am-5:00 am

1 stop27h 55m

Melbourne

Wed 4/15

2:35 pm-8:02 pm

1 stop20h 27m

$1,433

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Sun 3/15

4:31 pm-9:30 am

2 stops24h 59m

Melbourne

Tue 3/24

12:00 pm-8:02 pm

2 stops24h 02m

$1,435

HoustonMelbourne

HOU - MEL

HOUMEL

Houston Hobby

Wed 3/18

1:00 pm-7:00 am

2 stops26h 00m

Melbourne

Wed 3/25

9:10 am-9:46 pm

2 stops28h 36m

$1,466

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Sat 3/7

4:22 pm-6:30 am

1 stop22h 08m

Brisbane

Fri 3/13

6:30 pm-6:01 pm

2 stops38h 31m

$1,749

HoustonBrisbane

HOU - BNE

HOUBNE

Houston Hobby

Wed 2/11

6:36 pm-5:10 pm

2 stops30h 34m

Brisbane

Sat 2/28

8:30 am-11:46 am

2 stops43h 16m

$1,875

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 35m

Direct flights

Every day

Airports in Australia

1 airport
The fastest flight from Houston to Australia takes 17h 35m
Direct flights go from Houston to Australia every day.
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
533 reviews
Search Air New Zealand flights
Fiji AirwaysPriceFrom $790Free CancellationRating
8.1
209 reviews
Search Fiji Airways flights
United AirlinesPriceFrom $839Free CancellationRating
7.4
9,028 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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