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Cheap flights from Louisiana to Sydney from $839

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 24/5. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — SYD
10 Mar — 17 Mar1
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 8 February 2026.

Sat 18/417:21
MSY
-
SYD
2 stops23h 39m
Qantas Airways
Sat 25/412:00
SYD
-
MSY
1 stop24h 59m
Qantas Airways
Deal found 7/2$1,448
Wed 22/414:45
MSY
-
SYD
2 stops26h 30m
Qantas Airways
Sun 10/512:00
SYD
-
MSY
1 stop19h 36m
Qantas Airways
Deal found 6/2$1,449
Sun 15/215:01
MSY
-
SYD
1 stop22h 54m
Qantas Airways
Sat 28/207:25
SYD
-
MSY
2 stops31h 06m
Qantas Airways
Deal found 5/2$1,459
Wed 11/213:27
MSY
-
SYD
2 stops25h 33m
Qantas Airways
Wed 25/214:05
SYD
-
MSY
1 stop18h 54m
Qantas Airways
Deal found 5/2$1,469
Tue 12/517:21
MSY
-
SYD
1 stop22h 34m
Qantas Airways
Tue 19/516:10
SYD
-
MSY
2 stops41h 41m
Qantas Airways
Deal found 5/2$1,472
Sun 24/519:58
MSY
-
SYD
1 stop19h 57m
Qantas Airways
Sun 31/518:45
SYD
-
MSY
2 stops39h 23m
Qantas Airways
Deal found 6/2$1,500
Fri 20/320:20
MSY
-
SYD
1 stop43h 05m
Multiple Airlines
Sun 29/314:50
SYD
-
MSY
2 stops30h 54m
Multiple Airlines
Deal found 5/2$1,533
Fri 13/220:20
MSY
-
SYD
1 stop42h 05m
Multiple Airlines
Mon 16/314:00
SYD
-
MSY
2 stops31h 44m
Multiple Airlines
Deal found 7/2$1,647
Wed 11/220:20
MSY
-
SYD
1 stop42h 05m
Multiple Airlines
Mon 16/314:00
SYD
-
MSY
2 stops31h 44m
Multiple Airlines
Deal found 7/2$1,677
Mon 9/214:29
BTR
-
SYD
1 stop23h 26m
Qantas Airways
Wed 11/219:15
SYD
-
BTR
2 stops39h 11m
Qantas Airways
Deal found 5/2$2,834
Sat 28/214:09
BTR
-
SYD
1 stop23h 51m
United Airlines
Wed 4/311:50
SYD
-
BTR
1 stop22h 42m
United Airlines
Deal found 4/2$3,021
Mon 9/212:00
BTR
-
SYD
2 stops27h 45m
Air New Zealand
Wed 11/211:45
SYD
-
BTR
2 stops40h 42m
Air New Zealand
Deal found 5/2$3,519

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 8 February 2026.

Round-trip from

$1,448

One-way from

$839

Popular in

December

Cheapest in

August

Average price

$1,771
Qantas Airways
  • Qantas Airways
  • 22/4-10/5
  • 3 total stops
  • 46h 41m total
  • Louisiana to Sydney
Search Deals
24/5
  • 24/5
  • 3 total stops
  • 33h 32m total
  • Louisiana to Sydney
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($505 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($96 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 8 February 2026.
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 22/4

14:45-08:50

2 stops27h 05m

Sydney Kingsford Smith

Sun 10/5

12:00-16:36

1 stop19h 36m

$1,448

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Tue 12/5

14:45-06:55

1 stop25h 10m

Sydney Kingsford Smith

Tue 19/5

18:30-18:51

2 stops39h 21m

$1,470

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sun 24/5

19:58-06:55

1 stop19h 57m

Sydney Kingsford Smith

Sun 31/5

18:45-19:08

2 stops39h 23m

$1,500

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sun 17/5

11:50-07:20

2 stops28h 30m

Sydney Kingsford Smith

Sun 24/5

09:20-08:45

2 stops38h 25m

$1,687

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Tue 12/5

09:40-07:20

2 stops30h 40m

Sydney Kingsford Smith

Tue 19/5

09:20-10:56

2 stops40h 36m

$1,713

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sun 24/5

14:20-07:20

2 stops26h 00m

Sydney Kingsford Smith

Sun 31/5

09:20-10:50

2 stops40h 30m

$1,713

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Wed 22/4

14:23-07:20

2 stops25h 57m

Sydney Kingsford Smith

Sun 10/5

09:20-19:42

2 stops25h 22m

$1,714

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

Sat 28/2

14:09-07:00

1 stop23h 51m

Sydney Kingsford Smith

Wed 4/3

11:50-17:32

1 stop22h 42m

$3,021

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sun 24/5

11:18-11:50

3 stops33h 32m

$839

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sun 24/5

19:58-09:30

2 stops46h 32m

$1,000

Flights are sorted by cheapest return flights first.

Deals found on 6/2

Showing 1-10 of 16 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 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 $1,022). Flying from Louisiana to Sydney in December is currently the most expensive (average of $2,000). 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 $3,021, Qantas Airways can have you in Sydney from Louisiana in 23h 51m. 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 $1,022). Flying from Louisiana to Sydney in December is currently the most expensive (average of $2,000). 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
Manly
Katoomba
Terrigal
Lithgow
Leura
Coogee
Cronulla
Randwick
Bondi Beach

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

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