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Cheap flights from Louisiana to Sydney from $738

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
24 Apr — 1 May1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Louisiana to Sydney

Enter your travel dates to find the best prices.

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 25 March 2026.

Sat 23/511:57
MSY
-
SYD
2 stops28h 23m
Multiple Airlines
Tue 2/609:20
SYD
-
MSY
2 stops40h 36m
Multiple Airlines
Deal found 21/3$1,668
Tue 3/1114:21
MSY
-
SYD
2 stops26h 14m
Multiple Airlines
Thu 12/1111:20
SYD
-
MSY
2 stops46h 07m
Multiple Airlines
Deal found 23/3$1,679
Fri 9/1012:10
MSY
-
SYD
2 stops28h 10m
Multiple Airlines
Mon 19/1010:20
SYD
-
MSY
2 stops26h 55m
Multiple Airlines
Deal found 22/3$1,681
Wed 22/414:23
MSY
-
SYD
2 stops25h 57m
Multiple Airlines
Sun 10/509:20
SYD
-
MSY
2 stops27h 12m
Multiple Airlines
Deal found 22/3$1,700
Tue 5/519:23
MSY
-
SYD
2 stops44h 57m
Air Canada
Tue 12/509:20
SYD
-
MSY
2 stops40h 36m
Air Canada
Deal found 21/3$1,704
Wed 22/414:14
MSY
-
SYD
2 stops26h 06m
Air Canada
Sun 10/509:20
SYD
-
MSY
2 stops41h 16m
Air Canada
Deal found 24/3$1,711
Sat 25/712:07
MSY
-
SYD
2 stops28h 13m
Multiple Airlines
Fri 31/709:20
SYD
-
MSY
2 stops25h 31m
Multiple Airlines
Deal found 21/3$1,789
Fri 9/1011:45
MSY
-
SYD
1 stop28h 35m
ANA
Mon 19/1010:20
SYD
-
MSY
2 stops27h 07m
ANA
Deal found 22/3$1,830
Wed 1/714:21
MSY
-
SYD
2 stops25h 59m
Air Canada
Wed 15/709:20
SYD
-
MSY
2 stops27h 29m
Air Canada
Deal found 25/3$1,852
Wed 22/407:00
MSY
-
SYD
2 stops33h 20m
Air Canada
Wed 29/409:20
SYD
-
MSY
2 stops27h 12m
Air Canada
Deal found 25/3$1,872
Sat 6/617:18
MSY
-
SYD
2 stops47h 12m
Multiple Airlines
Mon 22/617:50
SYD
-
MSY
1 stop26h 10m
Multiple Airlines
Deal found 22/3$1,895
Tue 5/518:32
BTR
-
SYD
1 stop21h 23m
American Airlines
Tue 12/512:00
SYD
-
BTR
1 stop19h 23m
American Airlines
Deal found 21/3$1,988

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 25 March 2026.

Round-trip from

$1,668

One-way from

$738

Popular in

December

Cheapest in

August

Average price

$2,122
Air Canada
  • Air Canada
  • 23/5-2/6
  • 4 total stops
  • 68h 59m total
  • Louisiana to Sydney
Search Deals
6/6
  • 6/6
  • 3 total stops
  • 51h 32m total
  • Louisiana to Sydney
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($451 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($90 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 25 March 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 return flight

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Tue 21/7

14:01-06:55

2 stops25h 54m

Sydney Kingsford Smith

Tue 25/8

10:20-18:49

1 stop23h 29m

$1,992

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Wed 22/4

07:00-07:00

2 stops33h 00m

Sydney Kingsford Smith

Sun 10/5

10:20-18:27

1 stop23h 07m

$1,992

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Wed 22/4

17:21-07:30

2 stops23h 09m

Sydney Kingsford Smith

Sun 10/5

12:00-16:36

1 stop19h 36m

$1,994

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

Tue 5/5

16:53-07:05

2 stops23h 12m

Sydney Kingsford Smith

Tue 12/5

12:00-22:20

2 stops25h 20m

$1,994

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sat 1/8

14:01-07:00

3 stops49h 59m

Sydney Kingsford Smith

Sat 15/8

10:20-21:52

2 stops26h 32m

$2,251

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sat 9/5

17:21-07:30

2 stops23h 09m

Sydney Kingsford Smith

Sat 16/5

06:25-17:22

3 stops25h 57m

$2,357

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sat 23/5

19:13-10:40

2 stops24h 27m

Sydney Kingsford Smith

Tue 2/6

11:55-23:26

3 stops26h 31m

$2,608

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Thu 7/5

19:37-06:55

1 stop20h 18m

Sydney Kingsford Smith

Mon 11/5

10:30-18:51

2 stops23h 21m

$2,701

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

Wed 13/5

12:00-07:00

2 stops28h 00m

Sydney Kingsford Smith

Sun 17/5

09:30-15:31

2 stops21h 01m

$3,248

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

Tue 5/5

14:33-09:20

3 stops27h 47m

Sydney Kingsford Smith

Tue 12/5

12:00-22:20

2 stops25h 20m

$3,619

Flights are sorted by cheapest return flights first.

Deals found on 25/3

Showing 1-10 of 21 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 return 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 $1,068). Flying from Louisiana to Sydney in December is currently the most expensive (average of $2,015). 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 for a return flight 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?

    If you book a flight to Sydney from Louisiana, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney.

  • How long is the flight from Louisiana to Sydney?

    For as low as $4,173, United Airlines can have you in Sydney from Louisiana in 21h 23m. There are 14222 km between Louisiana and Sydney. Both multi-stop and direct flights can be found to your destination and back.

  • 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 holiday 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 $1,068). Flying from Louisiana to Sydney in December is currently the most expensive (average of $2,015). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Terrigal
Lithgow
Katoomba
Manly
Bondi Beach
Coogee
Cronulla
Leura
Randwick

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Can Cheapflights find flights from Louisiana to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Louisiana to Sydney with no change fees.

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Yes! Start tracking prices for Louisiana to Sydney flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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