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$685+ Cheap flights from Louisiana to Sydney (SYD)

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — SYD
Jun 9 — Jun 161
Tue 6/9
Tue 6/16
1 adult, Economy
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Cheap flight deals from Louisiana to Sydney

Cheapest flights from Louisiana to Sydney
Explore the most affordable flight options available from Louisiana to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 10, 2026.

This KAYAK deal was found by Cheapflights users on 5/7. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/217:04 pm
MSY
-
SYD
1 stop20h 51m
Air New Zealand
Tue 8/2510:20 am
SYD
-
MSY
1 stop23h 29m
Air New Zealand
Deal found 5/7$1,159
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Tue 8/47:04 pm
MSY
-
SYD
1 stop20h 51m
United Airlines
Tue 8/2510:20 am
SYD
-
MSY
1 stop23h 29m
United Airlines
Deal found 5/7$1,160
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Tue 5/267:04 pm
MSY
-
SYD
1 stop20h 51m
United Airlines
Tue 6/1610:20 am
SYD
-
MSY
2 stops24h 31m
United Airlines
Deal found 5/9$1,161
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Tue 7/212:43 pm
MSY
-
SYD
2 stops25h 47m
American Airlines
Tue 8/259:10 am
SYD
-
MSY
2 stops27h 36m
American Airlines
Deal found 5/8$1,162
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Tue 5/263:40 pm
MSY
-
SYD
2 stops24h 20m
United Airlines
Sun 6/149:30 am
SYD
-
MSY
2 stops21h 57m
United Airlines
Deal found 5/9$1,166
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Thu 8/137:30 pm
MSY
-
SYD
1 stop20h 25m
American Airlines
Mon 8/2412:00 pm
SYD
-
MSY
1 stop24h 46m
American Airlines
Deal found 5/7$1,207
This KAYAK deal was found by Cheapflights users on 5/9. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/247:04 pm
MSY
-
SYD
1 stop20h 51m
Air New Zealand
Sat 6/1310:20 am
SYD
-
MSY
1 stop23h 13m
Air New Zealand
Deal found 5/9$1,210
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Sat 5/237:04 pm
MSY
-
SYD
1 stop20h 51m
United Airlines
Mon 6/1510:20 am
SYD
-
MSY
1 stop23h 13m
United Airlines
Deal found 5/9$1,211
This KAYAK deal was found by Cheapflights users on 5/10. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/2312:05 pm
LFT
-
SYD
2 stops27h 55m
Air New Zealand
Sun 8/309:30 am
SYD
-
LFT
2 stops23h 17m
Air New Zealand
Deal found 5/10$1,215
This United Airlines deal was found by Cheapflights users on 5/9. 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.
Thu 5/215:35 pm
MSY
-
SYD
2 stops22h 25m
United Airlines
Tue 6/1610:20 am
SYD
-
MSY
1 stop23h 13m
United Airlines
Deal found 5/9$1,216
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Tue 7/211:53 pm
LFT
-
SYD
2 stops26h 37m
American Airlines
Mon 8/3112:00 pm
SYD
-
LFT
2 stops24h 10m
American Airlines
Deal found 5/6$1,246
This American Airlines deal was found by Cheapflights users on 5/6. 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.
Thu 7/231:53 pm
LFT
-
SYD
2 stops26h 37m
American Airlines
Sun 8/309:10 am
SYD
-
LFT
2 stops28h 43m
American Airlines
Deal found 5/6$1,294

Find flight deals from Louisiana to Sydney

Keep the following information in mind while searching for Louisiana to Sydney flight deals. Data was last updated May 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,159
(KAYAK)

One-way from

$685
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,278
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 Sydney Kingsford Smith
Search Deals
One-way flight from Louisiana to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($244 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 May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Louisiana to Sydney 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 May 10, 2026.
Use the filters below to find and compare flights from Louisiana to Sydney 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

12:00 pm-9:46 pm

1 stop24h 46m

$1,208

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Wed 5/27

5:15 am-6:55 am

2 stops34h 40m

Sydney Kingsford Smith

Thu 6/11

10:20 am-7:51 pm

2 stops24h 31m

$1,226

LafayetteSydney

LFT - SYD

LFTSYD

Lafayette Regional

Tue 7/21

1:53 pm-7:30 am

2 stops26h 37m

Sydney Kingsford Smith

Mon 8/31

12:00 pm-9:10 pm

2 stops24h 10m

$1,246

LafayetteSydney

LFT - SYD

LFTSYD

Lafayette Regional

Thu 7/23

12:05 pm-6:55 am

2 stops27h 50m

Sydney Kingsford Smith

Sun 8/30

9:30 am-7:31 pm

2 stops25h 01m

$1,424

LafayetteSydney

LFT - SYD

LFTSYD

Lafayette Regional

Thu 7/23

5:36 pm-6:55 am

1 stop22h 19m

Sydney Kingsford Smith

Sun 8/30

12:00 pm-10:53 pm

1 stop25h 53m

$1,440

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Fri 9/11

11:25 am-6:50 am

2 stops28h 25m

Sydney Kingsford Smith

Sun 9/20

9:15 am-8:39 pm

2 stops26h 24m

$1,515

LafayetteSydney

LFT - SYD

LFTSYD

Lafayette Regional

Tue 7/21

4:09 pm-7:00 am

2 stops23h 51m

Sydney Kingsford Smith

Mon 8/31

9:30 am-7:31 pm

2 stops49h 01m

$1,554

LafayetteSydney

LFT - SYD

LFTSYD

Lafayette Regional

Mon 8/3

6:00 am-8:20 am

3 stops35h 20m

Sydney Kingsford Smith

Sun 8/9

10:00 pm-7:40 pm

2 stops36h 40m

$1,564

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Fri 9/11

2:47 pm-7:30 am

2 stops25h 43m

Sydney Kingsford Smith

Sun 9/20

6:25 am-6:41 pm

3 stops27h 16m

$1,678

LafayetteSydney

LFT - SYD

LFTSYD

Lafayette Regional

Sun 7/12

7:15 am-7:00 am

2 stops32h 45m

Sydney Kingsford Smith

Tue 8/25

9:30 am-7:31 pm

2 stops25h 01m

$1,691

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/7

Showing 1-10 of 31 resultsSorted by cheapest first
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Best time to book a flight from Louisiana to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

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

Currently, April is the cheapest month in which you can book a flight from Louisiana to Sydney (average of $503). Flying from Louisiana to Sydney 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.

How much does it cost to fly round-trip from Louisiana to Sydney?

Related info for your journey

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

  • What airport do you fly into for flights to Sydney from Louisiana?

    For a flight from Louisiana to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 4.6 mi from the center of the city.

  • How long is the flight from Louisiana to Sydney?

    Airlines like American Airlines, United Airlines, and Air New Zealand fly from Louisiana to Sydney in about 20h 25m. The time it takes to get you to your destination can typically vary by up to 14h 15m. Airlines will cover a distance of 8873 mi. This flight may include one or multiple stops.

  • What are the most popular routes from Louisiana to Sydney?

    The most popular route from Louisiana to Sydney is New Orleans Louis Armstrong - Sydney Kingsford Smith. You may also consider Lafayette Regional - Sydney Kingsford Smith or Baton Rouge Ryan - Sydney Kingsford Smith.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Louisiana to Sydney 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 Sydney?

    Currently, April is the cheapest month in which you can book a flight from Louisiana to Sydney (average of $503). Flying from Louisiana to Sydney 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Coogee
Manly

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 Sydney

Discover the top 4 airlines that operate flights from Louisiana to Sydney. 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 May 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,056Average$1,490FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,125Average$1,366FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,137Average$1,462FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,141Average$1,388FlexibilityNo cancel feeOn-timeN/A

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