Australia

$524+ 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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — SYD
Jul 26 — Aug 21
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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 June 26, 2026.

This American Airlines deal was found by Cheapflights users on 6/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/202:43 pm
MSY
-
MEL
2 stops25h 02m
American Airlines
Sat 8/151:35 pm
MEL
-
MSY
2 stops25h 10m
American Airlines
Deal found 6/21$1,084
This Qantas Airways deal was found by Cheapflights users on 6/22. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/137:30 pm
MSY
-
SYD
1 stop20h 25m
Qantas Airways
Mon 8/2410:05 am
SYD
-
MSY
2 stops26h 41m
Qantas Airways
Deal found 6/22$1,110
This oojo deal was found by Cheapflights users on 6/23. 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.
Wed 8/52:49 pm
MSY
-
SYD
2 stops26h 26m
Qantas Airways
Wed 8/1212:00 pm
SYD
-
MSY
1 stop20h 11m
Qantas Airways
Deal found 6/23$1,134
This American Airlines deal was found by Cheapflights users on 6/26. 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.
Sun 8/26:01 pm
MSY
-
SYD
2 stops22h 04m
American Airlines
Mon 8/1712:00 pm
SYD
-
MSY
1 stop20h 11m
American Airlines
Deal found 6/26$1,171
This oojo deal was found by Cheapflights users on 6/25. 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 9/1512:22 pm
MSY
-
MEL
2 stops27h 23m
Qantas Airways
Tue 9/227:10 am
MEL
-
MSY
2 stops25h 33m
Qantas Airways
Deal found 6/25$1,179
This United Airlines deal was found by Cheapflights users on 6/26. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/107:03 pm
MSY
-
SYD
1 stop20h 52m
United Airlines
Mon 8/1710:20 am
SYD
-
MSY
1 stop23h 20m
United Airlines
Deal found 6/26$1,186
This Delta deal was found by Cheapflights users on 6/23. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/52:51 pm
MSY
-
SYD
1 stop24h 59m
Delta
Wed 8/129:15 am
SYD
-
MSY
1 stop27h 25m
Delta
Deal found 6/23$1,188
This Delta deal was found by Cheapflights users on 6/26. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/21:30 pm
MSY
-
SYD
2 stops26h 20m
Delta
Mon 8/179:15 am
SYD
-
MSY
2 stops29h 23m
Delta
Deal found 6/26$1,191
This United Airlines deal was found by Cheapflights users on 6/24. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/265:15 am
LFT
-
SYD
2 stops34h 40m
United Airlines
Sun 8/3010:20 am
SYD
-
LFT
2 stops22h 27m
United Airlines
Deal found 6/24$1,192
This American Airlines deal was found by Cheapflights users on 6/26. 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 8/1011:16 am
MSY
-
MEL
2 stops28h 29m
American Airlines
Mon 8/179:45 am
MEL
-
MSY
2 stops27h 01m
American Airlines
Deal found 6/26$1,192
This United Airlines deal was found by Cheapflights users on 6/21. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 7/2611:55 am
MSY
-
SYD
2 stops28h 00m
United Airlines
Sun 8/2310:20 am
SYD
-
MSY
2 stops26h 11m
United Airlines
Deal found 6/21$1,192
This oojo deal was found by Cheapflights users on 6/25. 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 11/305:05 pm
MSY
-
BNE
1 stop21h 25m
Qantas Airways
Mon 12/289:40 am
BNE
-
MSY
1 stop20h 36m
Qantas Airways
Deal found 6/25$1,199

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 June 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,084
(American Airlines)

One-way from

$691
(American Airlines)

Popular in

December

Cheapest in

August

Average price

$1,663
Provider with most accurate pricing for New Orleans Louis Armstrong-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for New Orleans Louis Armstrong-Sydney Kingsford Smith flights.
From Louisiana to Australia
One-way flight from Louisiana to Australia
Highest demand for flights based on searches. 14% potential increase in price ($261 potential increase over avg. RT price).
Cheapest flight prices on average. 3% potential price decrease ($59 potential savings vs. average RT price).
Average for round-trip flights in June 2026

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 June 26, 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 OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Thu 8/13

7:30 pm-6:55 am

1 stop20h 25m

Sydney Kingsford Smith

Mon 8/24

10:05 am-9:46 pm

2 stops26h 41m

$1,110

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sun 7/26

5:20 pm-6:50 am

1 stop22h 30m

Sydney Kingsford Smith

Sun 8/23

9:15 am-9:40 pm

1 stop27h 25m

$1,188

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Mon 8/10

2:21 pm-6:55 am

2 stops25h 34m

Sydney Kingsford Smith

Mon 8/17

10:20 am-8:03 pm

2 stops24h 43m

$1,190

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sun 8/2

1:30 pm-6:50 am

2 stops26h 20m

Sydney Kingsford Smith

Mon 8/17

9:15 am-11:38 pm

2 stops29h 23m

$1,191

LafayetteSydney

LFT - SYD

LFTSYD

Lafayette Regional

Sun 7/26

5:15 am-6:55 am

2 stops34h 40m

Sydney Kingsford Smith

Sun 8/23

9:30 am-3:29 pm

2 stops20h 59m

$1,192

New OrleansMelbourne

MSY - MEL

MSYMEL

New Orleans Louis Armstrong

Mon 8/10

7:03 pm-8:15 am

1 stop22h 12m

Melbourne

Mon 8/17

10:55 am-6:40 pm

1 stop22h 45m

$1,199
Quickest round-trip

New OrleansBrisbane

MSY - BNE

MSYBNE

New Orleans Louis Armstrong

Mon 11/30

5:05 pm-6:30 am

1 stop21h 25m

Brisbane

Mon 12/28

9:40 am-2:16 pm

1 stop20h 36m

$1,200

New OrleansMelbourne

MSY - MEL

MSYMEL

New Orleans Louis Armstrong

Mon 11/30

7:00 am-9:30 am

2 stops33h 30m

Melbourne

Mon 1/11

11:30 am-5:06 pm

2 stops22h 36m

$1,205

New OrleansMelbourne

MSY - MEL

MSYMEL

New Orleans Louis Armstrong

Tue 8/4

7:00 am-8:15 am

3 stops34h 15m

Melbourne

Tue 8/11

10:55 am-8:03 pm

2 stops24h 08m

$1,205

New OrleansMelbourne

MSY - MEL

MSYMEL

New Orleans Louis Armstrong

Tue 9/15

8:13 am-8:15 am

1 stop33h 02m

Melbourne

Tue 9/22

6:00 am-6:40 pm

2 stops27h 40m

$1,225

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/26

Showing 1-10 of 47 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from Louisiana to Australia (average of $503). Flying from Louisiana to Australia in December is currently the most expensive (average of $1,489). 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 20h 25m. Qantas Airways provides one of the quickest options available for as low as $1,110. There are 8873 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, April is the cheapest month in which you can book a flight from Louisiana to Australia (average of $503). Flying from Louisiana to Australia in December is currently the most expensive (average of $1,489). 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

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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 June 26, 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%

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