Sydney

$547+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — SYD
Aug 23 — Aug 301
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Cheap flight deals from Louisiana to Sydney

Keep the following information in mind while searching for Louisiana to Sydney flight deals. Data was last updated August 18, 2025.

Round-trip from

$985
(American Airlines)

One-way from

$547
(Kiwi.com)

Popular in

December

Cheapest in

May

Average price

$1,185
From Louisiana to Sydney Kingsford Smith
One-way flight from Louisiana to Sydney Kingsford Smith
Highest demand for flights based on searches. 8% potential increase in price ($114 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
Average for round-trip flights in August 2025

Find 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 August 18, 2025.

This American Airlines deal was found by Cheapflights users on 8/18. 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 9/912:46 pmMSY - SYD
1 stop27h 09mAmerican Airlines
Tue 9/2312:10 pmSYD - MSY
1 stop20h 14mAmerican Airlines
Deal found 8/18$985
This United Airlines deal was found by Cheapflights users on 8/16. 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 9/302:17 pmMSY - SYD
2 stops25h 43mUnited Airlines
Tue 10/711:20 amSYD - MSY
1 stop20h 57mUnited Airlines
Deal found 8/16$991
This Delta deal was found by Cheapflights users on 8/16. 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.
Tue 9/303:07 pmMSY - SYD
1 stop24h 28mDelta
Tue 10/710:25 amSYD - MSY
1 stop23h 10mDelta
Deal found 8/16$1,001
This FlightHub deal was found by Cheapflights users on 8/17. 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.
Sat 12/136:11 pmMSY - SYD
2 stops26h 44mQantas Airways
Mon 12/292:20 pmSYD - MSY
1 stop22h 36mQantas Airways
Deal found 8/17$1,099
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Sat 12/137:26 amMSY - SYD
1 stop30h 29mAmerican Airlines
Mon 12/292:20 pmSYD - MSY
1 stop24h 56mAmerican Airlines
Deal found 8/17$1,121
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 10/112:43 pmMSY - SYD
2 stops27h 22mAmerican Airlines
Wed 10/810:10 amSYD - MSY
2 stops26h 10mAmerican Airlines
Deal found 8/17$1,124
This Delta deal was found by Cheapflights users on 8/17. 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 10/13:07 pmMSY - SYD
1 stop24h 28mDelta
Wed 10/810:25 amSYD - MSY
1 stop23h 10mDelta
Deal found 8/17$1,137
This Delta deal was found by Cheapflights users on 8/17. 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.
Sat 12/1312:00 pmMSY - SYD
2 stops27h 30mDelta
Mon 12/2910:40 amSYD - MSY
2 stops22h 55mDelta
Deal found 8/17$1,141
This United Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 10/12:00 pmBTR - SYD
2 stops25h 55mUnited Airlines
Wed 10/810:30 amSYD - BTR
2 stops24h 53mUnited Airlines
Deal found 8/17$1,240
This American Airlines deal was found by Cheapflights users on 8/17. 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.
Wed 10/112:15 pmBTR - SYD
1 stop27h 40mAmerican Airlines
Wed 10/81:10 pmSYD - BTR
1 stop25h 53mAmerican Airlines
Deal found 8/17$1,265
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/132:00 pmLFT - SYD
1 stop24h 00mUnited Airlines
Mon 11/1711:50 amSYD - LFT
1 stop20h 37mUnited Airlines
Deal found 8/17$1,271
This United Airlines deal was found by Cheapflights users on 8/17. 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 11/133:56 pmBTR - SYD
1 stop22h 04mUnited Airlines
Mon 11/1711:50 amSYD - BTR
1 stop18h 32mUnited Airlines
Deal found 8/17$1,271

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 August 18, 2025.
Use the filters below to find and compare flights from Louisiana to Sydney that are best for you.

Fly from

Louisiana

Fly to

Sydney

Route

Depart

Return

Price

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Wed 9/17

10:42 am-6:55 am

1 stop29h 13m

Sydney Kingsford Smith

Wed 9/24

12:10 pm-8:21 pm

1 stop23h 11m

$985

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Tue 9/9

12:46 pm-6:55 am

1 stop27h 09m

Sydney Kingsford Smith

Tue 9/23

12:10 pm-5:24 pm

1 stop20h 14m

$985

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Tue 9/30

2:17 pm-7:00 am

2 stops25h 43m

Sydney Kingsford Smith

Tue 10/7

11:20 am-4:17 pm

1 stop20h 57m

$991

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Tue 9/30

3:07 pm-6:35 am

1 stop24h 28m

Sydney Kingsford Smith

Tue 10/7

10:25 am-5:35 pm

1 stop23h 10m

$1,001

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Wed 10/1

12:43 pm-7:05 am

2 stops27h 22m

Sydney Kingsford Smith

Wed 10/8

10:10 am-8:20 pm

2 stops26h 10m

$1,124

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

Wed 10/1

2:00 pm-6:55 am

2 stops25h 55m

Sydney Kingsford Smith

Wed 10/8

10:30 am-7:23 pm

2 stops24h 53m

$1,240

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

Wed 10/1

12:15 pm-6:55 am

1 stop27h 40m

Sydney Kingsford Smith

Wed 10/8

1:10 pm-11:03 pm

1 stop25h 53m

$1,265

LafayetteSydney

LFT - SYD

LFTSYD

Lafayette Regional

Thu 11/13

6:05 pm-7:00 am

1 stop19h 55m

Sydney Kingsford Smith

Mon 11/17

11:50 am-5:27 pm

1 stop22h 37m

$1,271

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

Thu 11/13

3:56 pm-7:00 am

1 stop22h 04m

Sydney Kingsford Smith

Mon 11/17

11:50 am-5:28 pm

1 stop22h 38m

$1,271

LafayetteSydney

LFT - SYD

LFTSYD

Lafayette Regional

Mon 12/15

5:20 am-9:15 am

2 stops34h 55m

Sydney Kingsford Smith

Fri 1/2

11:20 am-9:26 pm

2 stops51h 06m

$1,740

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/16

Showing 1-10 of 21 results
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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, February is the cheapest month in which you can book a flight from Louisiana to Sydney (average of $1,031). Flying from Louisiana to Sydney in December is currently the most expensive (average of $1,619). 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.

What is the cheapest time of day to fly from LA to SYD?

Find hourly flight availability from Louisiana to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated August 18, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Louisiana to Sydney as you normally would.

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 and United Airlines fly from Louisiana to Sydney in about 25h 55m. The time it takes to get you to your destination can typically vary by up to 3h 18m. Airlines will cover a distance of 8837 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Louisiana to Sydney one-way?

    For one-way options, check prices for Qantas Airways. According to our data, you can fly for as low as $598. Users have also found prices from $598 and $1,605 on American Airlines and United Airlines, respectively.

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

  • 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, February is the cheapest month in which you can book a flight from Louisiana to Sydney (average of $1,031). Flying from Louisiana to Sydney in December is currently the most expensive (average of $1,619). 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
Wollongong
Parramatta
Manly
Coogee

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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 August 18, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$911Average$1,340FlexibilityNo cancel feeOn-time69%
DeltaCheapest$938Average$1,349FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$1,094Average$1,801FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,270Average$1,366FlexibilityNo cancel feeOn-time71%

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