HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Australia

$619+ Cheap flights from Louisiana to Australia

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/18. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — SYD
Aug 22 — Aug 291
Sat 8/22
Sat 8/29
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Louisiana to Australia with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Louisiana to Australia

Cheapest flights from Louisiana to Australia
Explore the most affordable flight options available from Louisiana to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 23, 2026.

This oojo deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/196:28 pm
MSY
-
SYD
1 stop20h 27m
Qantas Airways
Mon 11/27:15 pm
SYD
-
MSY
2 stops36h 40m
Qantas Airways
Deal found 7/23$984
This oojo deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/112:29 pm
MSY
-
BNE
2 stops32h 21m
Qantas Airways
Fri 12/119:40 am
BNE
-
MSY
1 stop25h 21m
Qantas Airways
Deal found 7/22$1,017
This lol.travel deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/106:01 pm
MSY
-
SYD
1 stop21h 54m
Qantas Airways
Tue 8/2512:00 pm
SYD
-
MSY
1 stop24h 46m
Qantas Airways
Deal found 7/22$1,082
This oojo deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/279:46 am
MSY
-
MEL
1 stop27h 14m
Qantas Airways
Tue 11/1012:00 pm
MEL
-
MSY
1 stop19h 55m
Qantas Airways
Deal found 7/23$1,092
This Air Canada deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/102:35 pm
MSY
-
SYD
2 stops25h 45m
Multiple Airlines
Tue 8/259:20 am
SYD
-
MSY
2 stops27h 11m
Multiple Airlines
Deal found 7/22$1,120
This American Airlines deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/263:44 pm
MSY
-
MEL
2 stops25h 46m
American Airlines
Wed 11/1110:45 pm
MEL
-
MSY
2 stops27h 18m
American Airlines
Deal found 7/22$1,122
This Expedia deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/37:13 pm
MSY
-
BNE
2 stops44h 52m
Air Canada
Fri 8/1410:00 am
BNE
-
MSY
2 stops43h 57m
Air Canada
Deal found 7/22$1,126
This FlightHub deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/199:40 am
MSY
-
SYD
2 stops30h 40m
Air Canada
Mon 11/211:20 am
SYD
-
MSY
2 stops40h 03m
Air Canada
Deal found 7/23$1,128
This Kiwi.com deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/228:44 pm
MSY
-
SYD
1 stop43h 46m
Multiple Airlines
Tue 9/81:15 pm
SYD
-
MSY
2 stops30h 45m
Multiple Airlines
Deal found 7/21$1,133
This Orbitz deal was found by Cheapflights users on 7/22. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/111:30 am
MSY
-
BNE
2 stops29h 15m
Air Canada
Fri 12/1110:45 am
BNE
-
MSY
2 stops39h 38m
Air Canada
Deal found 7/22$1,135
This Qantas Airways deal was found by Cheapflights users on 7/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/242:49 pm
MSY
-
SYD
2 stops26h 51m
Qantas Airways
Sun 9/612:00 pm
SYD
-
MSY
1 stop21h 34m
Qantas Airways
Deal found 7/21$1,137
This oojo deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/266:01 pm
MSY
-
SYD
1 stop21h 54m
Qantas Airways
Sun 8/2312:00 pm
SYD
-
MSY
1 stop20h 11m
Qantas Airways
Deal found 7/20$1,139

Find flight deals from Louisiana to Australia

Keep the following information in mind while searching for Louisiana to Australia flight deals. Data was last updated July 23, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,017
(oojo)

One-way from

$619
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$1,490
Provider with most accurate pricing for New Orleans Louis Armstrong-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Sydney Kingsford Smith flights.
Search Deals
From Louisiana to Australia
Search Deals
One-way flight from Louisiana to Australia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price ($226 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($56 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisiana 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, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
Use the filters below to find and compare flights from Louisiana to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New OrleansMelbourne

MSY - MEL

MSYMEL

New Orleans Louis Armstrong

Tue 10/27

12:38 pm-5:00 am

1 stop24h 22m

Melbourne

Tue 11/10

12:00 pm-7:59 pm

2 stops24h 59m

$1,122

New OrleansMelbourne

MSY - MEL

MSYMEL

New Orleans Louis Armstrong

Mon 10/26

2:39 pm-9:30 am

1 stop26h 51m

Melbourne

Wed 11/11

12:45 pm-9:54 pm

1 stop26h 09m

$1,140

New OrleansMelbourne

MSY - MEL

MSYMEL

New Orleans Louis Armstrong

Tue 10/27

11:30 am-12:25 pm

3 stops32h 55m

Melbourne

Tue 11/10

8:20 pm-10:23 am

3 stops55h 03m

$1,142

New OrleansMelbourne

MSY - MEL

MSYMEL

New Orleans Louis Armstrong

Tue 10/27

7:00 am-9:30 am

3 stops34h 30m

Melbourne

Tue 11/10

12:45 pm-7:57 pm

2 stops24h 12m

$1,145

New OrleansMelbourne

MSY - MEL

MSYMEL

New Orleans Louis Armstrong

Sat 10/17

7:12 pm-9:15 am

2 stops46h 03m

Melbourne

Sat 10/24

11:10 am-9:54 pm

2 stops50h 44m

$1,175

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

Sun 8/2

7:15 am-7:00 am

2 stops32h 45m

Sydney Kingsford Smith

Wed 8/12

9:30 am-9:28 pm

2 stops26h 58m

$1,175
Quickest round-trip

New OrleansBrisbane

MSY - BNE

MSYBNE

New Orleans Louis Armstrong

Mon 8/3

7:03 pm-6:30 am

1 stop20h 27m

Brisbane

Fri 8/21

10:30 am-6:40 pm

1 stop23h 10m

$1,190

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

Mon 8/3

5:00 am-6:55 am

2 stops34h 55m

Sydney Kingsford Smith

Wed 8/12

9:30 am-9:28 pm

2 stops26h 58m

$1,190

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sun 8/16

5:32 pm-7:00 am

2 stops22h 28m

Sydney Kingsford Smith

Tue 9/8

10:20 am-8:03 pm

2 stops24h 43m

$1,192

New OrleansMelbourne

MSY - MEL

MSYMEL

New Orleans Louis Armstrong

Mon 10/26

3:44 pm-9:30 am

2 stops25h 46m

Melbourne

Wed 11/11

10:45 pm-9:03 am

2 stops27h 18m

$1,194

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/19

Showing 1-10 of 42 resultsSorted by cheapest first
1
2
3
...
5

Best time to book a flight from Louisiana to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from Louisiana with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Louisiana to Australia

What is the cheapest month to book a flight from Louisiana to Australia?

Currently, August is the cheapest month in which you can book a flight from Louisiana to Australia (average of $1,125). Flying from Louisiana to Australia in December is currently the most expensive (average of $2,151). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Louisiana to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Louisiana to Australia?

    A quick flight from Louisiana to Australia can take about 25h 46m. American Airlines provides one of the quickest options available for as low as $1,122. There are 9269 mi between Louisiana and Australia. Both multi-stop and nonstop flights can be found to your destination and back.

  • Can I find deals for flights from Louisiana to Australia that include hotel bookings?

    Yes. In addition to deals on Louisiana to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Louisiana to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisiana to Australia.

  • Can I find deals for business class flights from Louisiana to Australia?

    Yes. Cheapflights offers flight deals from Louisiana to Australia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Louisiana to Australia?

    Currently, August is the cheapest month in which you can book a flight from Louisiana to Australia (average of $1,125). Flying from Louisiana to Australia in December is currently the most expensive (average of $2,151). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 4 airlines flying from Louisiana to Australia

Discover the top 4 airlines that operate flights from Louisiana to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 23, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$694Average$1,468FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$967Average$1,523FlexibilityNo cancel feeOn-time74%
DeltaCheapest$1,116Average$1,511FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,264Average$1,301FlexibilityNo cancel feeOn-time71%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.