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$633+ 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 8/15. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — SYD
may. 30 — jun. 61
sáb. 5/30
sáb. 6/6
1 adult, Economy
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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 abril 30, 2026.

This United Airlines deal was found by Cheapflights users on 4/27. 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.
mar. 7/217:04 pm
MSY
-
SYD
1 stop20h 51m
United Airlines
mar. 8/2510:20 am
SYD
-
MSY
1 stop23h 29m
United Airlines
Deal found 4/27$1,303
This oojo deal was found by Cheapflights users on 4/28. 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.
lun. 11/302:07 pm
MSY
-
BNE
1 stop24h 23m
Qantas Airways
lun. 12/289:15 am
BNE
-
MSY
1 stop23h 22m
Qantas Airways
Deal found 4/28$1,304
This United Airlines deal was found by Cheapflights users on 4/26. 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.
dom. 7/264:09 pm
LFT
-
SYD
2 stops23h 51m
United Airlines
dom. 8/309:30 am
SYD
-
LFT
2 stops21h 03m
United Airlines
Deal found 4/26$1,308
This oojo deal was found by Cheapflights users on 4/30. 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.
jue. 8/136:01 pm
MSY
-
SYD
1 stop21h 54m
Qantas Airways
lun. 8/2412:00 pm
SYD
-
MSY
1 stop24h 46m
Qantas Airways
Deal found 4/30$1,311
This United Airlines deal was found by Cheapflights users on 4/27. 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.
jue. 8/138:45 am
MSY
-
SYD
1 stop31h 10m
United Airlines
lun. 8/2410:20 am
SYD
-
MSY
1 stop23h 29m
United Airlines
Deal found 4/27$1,343
This United Airlines deal was found by Cheapflights users on 4/29. 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.
lun. 5/45:21 pm
MSY
-
SYD
2 stops22h 39m
United Airlines
vie. 5/1510:20 am
SYD
-
MSY
1 stop23h 07m
United Airlines
Deal found 4/29$1,344
This Qantas Airways deal was found by Cheapflights users on 4/30. 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.
jue. 8/132:49 pm
MSY
-
SYD
2 stops25h 41m
Multiple Airlines
lun. 8/2412:00 pm
SYD
-
MSY
1 stop20h 11m
Multiple Airlines
Deal found 4/30$1,345
This oojo deal was found by Cheapflights users on 4/29. 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.
sáb. 8/156:00 pm
MSY
-
BNE
2 stops26h 55m
Qantas Airways
sáb. 8/298:45 am
BNE
-
MSY
2 stops28h 01m
Qantas Airways
Deal found 4/29$1,347
This United Airlines deal was found by Cheapflights users on 4/29. 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.
lun. 5/44:06 pm
BTR
-
SYD
2 stops23h 54m
United Airlines
vie. 5/1510:20 am
SYD
-
BTR
2 stops27h 26m
United Airlines
Deal found 4/29$1,349
This United Airlines deal was found by Cheapflights users on 4/27. 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.
lun. 11/306:52 pm
MSY
-
BNE
1 stop20h 43m
United Airlines
lun. 12/2811:40 am
BNE
-
MSY
1 stop22h 42m
United Airlines
Deal found 4/27$1,358
This Delta deal was found by Cheapflights users on 4/28. 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.
vie. 5/222:50 pm
MSY
-
SYD
1 stop25h 00m
Delta
lun. 6/19:15 am
SYD
-
MSY
1 stop29h 44m
Delta
Deal found 4/28$1,359
This oojo deal was found by Cheapflights users on 4/29. 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.
sáb. 6/1312:00 pm
MSY
-
MEL
1 stop26h 00m
Qantas Airways
sáb. 6/207:05 pm
MEL
-
MSY
2 stops39h 01m
Qantas Airways
Deal found 4/29$1,401

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 abril 30, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,303
(United Airlines)

One-way from

$633
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,464
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. 14% potential increase in price ($246 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 abril 30, 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

dom. 5/17

9:40 am-6:55 am

1 stop30h 15m

Sydney Kingsford Smith

dom. 5/24

10:20 am-7:51 pm

2 stops24h 31m

$1,303

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

lun. 5/25

7:04 pm-6:55 am

1 stop20h 51m

Sydney Kingsford Smith

lun. 6/1

10:20 am-6:33 pm

1 stop23h 13m

$1,303

LafayetteSydney

LFT - SYD

LFTSYD

Lafayette Regional

dom. 7/26

4:09 pm-7:00 am

2 stops23h 51m

Sydney Kingsford Smith

dom. 8/30

9:30 am-3:33 pm

2 stops21h 03m

$1,308

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

mar. 7/21

2:21 pm-7:00 am

2 stops25h 39m

Sydney Kingsford Smith

mar. 8/25

10:20 am-6:49 pm

1 stop23h 29m

$1,308

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

vie. 5/22

5:35 pm-7:00 am

2 stops22h 25m

Sydney Kingsford Smith

lun. 6/1

10:20 am-6:33 pm

1 stop23h 13m

$1,344

New OrleansBrisbane

MSY - BNE

MSYBNE

New Orleans Louis Armstrong

sáb. 8/15

6:00 pm-11:55 am

2 stops26h 55m

Brisbane

sáb. 8/29

8:45 am-9:46 pm

2 stops28h 01m

$1,347

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

lun. 5/4

2:25 pm-7:00 am

2 stops25h 35m

Sydney Kingsford Smith

vie. 5/15

9:30 am-5:10 pm

2 stops22h 40m

$1,349

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

mié. 7/22

5:00 am-7:00 am

2 stops35h 00m

Sydney Kingsford Smith

vie. 7/31

10:20 am-10:46 pm

2 stops27h 26m

$1,349

New OrleansBrisbane

MSY - BNE

MSYBNE

New Orleans Louis Armstrong

lun. 9/14

2:15 pm-7:05 am

2 stops25h 50m

Brisbane

vie. 9/18

10:00 am-9:30 pm

2 stops50h 30m

$1,445

LafayetteSydney

LFT - SYD

LFTSYD

Lafayette Regional

dom. 7/26

1:53 pm-7:05 am

2 stops26h 12m

Sydney Kingsford Smith

dom. 8/30

12:00 pm-7:40 pm

1 stop22h 40m

$1,490

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/27

Showing 1-10 of 38 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 July is currently the most expensive (average of $1,291). 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 50m. United Airlines provides one of the quickest options available for as low as $1,445. There are 8635 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 July is currently the most expensive (average of $1,291). 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 abril 30, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$986Average$1,470FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,056Average$1,523FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,125Average$1,334FlexibilityNo cancel feeOn-time71%
DeltaCheapest$1,141Average$1,452FlexibilityNo cancel feeOn-timeN/A

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