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$987+ Cheap flights from New Orleans (MSY) to Sydney (SYD)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — SYD
oct. 11 — oct. 181
sáb. 10/11
sáb. 10/18
1 adult, Economy
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Cheapflights Tip: The best prices from New Orleans Louis Armstrong to Sydney Kingsford Smith are usually found in May or February, booked 25 days in advance, depart on a Wednesday or Tuesday and return on a Tuesday

Cheap flight deals from New Orleans to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from New Orleans (MSY) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated septiembre 11, 2025.

Round-trip from

$987
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$1,432
From New Orleans Louis Armstrong to Sydney Kingsford Smith
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Highest demand for flights based on searches. 7% potential increase in price ($109 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($36 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from New Orleans to Sydney

Cheapest flights from New Orleans to Sydney
Explore the most affordable flight options available from New Orleans to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on septiembre 11, 2025.

This American Airlines deal was found by Cheapflights users on 9/10. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/226:35 pmMSY - SYD
1 stop21h 20mAmerican Airlines
lun. 10/61:10 pmSYD - MSY
1 stop21h 47mAmerican Airlines
Deal found 9/10$987
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 9/223:25 pmMSY - SYD
2 stops24h 35mUnited Airlines
lun. 10/610:30 amSYD - MSY
2 stops23h 13mUnited Airlines
Deal found 9/10$994
This American Airlines deal was found by Cheapflights users on 9/11. 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.
vie. 9/1210:47 amMSY - SYD
2 stops29h 18mAmerican Airlines
vie. 9/199:10 amSYD - MSY
2 stops26h 11mAmerican Airlines
Deal found 9/11$1,089
This Delta deal was found by Cheapflights users on 9/11. 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. 9/126:44 pmMSY - SYD
1 stop20h 51mDelta
vie. 9/199:25 amSYD - MSY
1 stop23h 21mDelta
Deal found 9/11$1,102
This American Airlines deal was found by Cheapflights users on 9/9. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 10/2412:23 pmMSY - SYD
2 stops27h 42mAmerican Airlines
vie. 10/3111:20 amSYD - MSY
2 stops25h 03mAmerican Airlines
Deal found 9/9$1,125
This United Airlines deal was found by Cheapflights users on 9/9. 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.
jue. 11/65:17 pmMSY - SYD
2 stops22h 48mUnited Airlines
mar. 11/2511:50 amSYD - MSY
1 stop22h 55mUnited Airlines
Deal found 9/9$1,137
This United Airlines deal was found by Cheapflights users on 9/10. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 10/255:23 pmMSY - SYD
1 stop23h 52mUnited Airlines
sáb. 11/111:50 amSYD - MSY
1 stop21h 55mUnited Airlines
Deal found 9/10$1,138

Cheapflights Fare Finder

 
Customize your flight search to find flights from New Orleans 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 septiembre 11, 2025.
Use the filters below to find and compare flights from New Orleans to Sydney that are best for you.

Fly from

New Orleans

Fly to

Sydney

Route

Depart

Return

Price

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

lun. 9/22

2:36 pm-7:00 am

2 stops25h 24m

Sydney Kingsford Smith

lun. 10/6

11:20 am-4:17 pm

1 stop20h 57m

$994

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

jue. 11/6

3:48 pm-7:00 am

1 stop22h 12m

Sydney Kingsford Smith

mar. 11/25

11:50 am-1:09 pm

1 stop18h 19m

$1,137

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

dom. 10/26

3:10 pm-7:30 am

1 stop24h 20m

Sydney Kingsford Smith

dom. 11/2

10:40 am-6:35 pm

1 stop23h 55m

$1,138

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

vie. 11/7

6:30 pm-8:30 am

1 stop21h 00m

Sydney Kingsford Smith

vie. 11/14

10:40 am-5:38 pm

1 stop23h 58m

$1,138

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

sáb. 10/25

5:23 pm-9:15 am

1 stop23h 52m

Sydney Kingsford Smith

sáb. 11/1

11:50 am-5:45 pm

1 stop21h 55m

$1,138

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

vie. 11/7

12:48 pm-12:30 pm

3 stops30h 42m

Sydney Kingsford Smith

vie. 11/14

2:00 pm-8:56 pm

2 stops23h 56m

$1,203

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

vie. 11/7

2:07 pm-6:55 am

1 stop23h 48m

Sydney Kingsford Smith

vie. 11/14

2:05 pm-7:08 pm

1 stop22h 03m

$1,273

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

dom. 10/26

6:00 am-9:50 am

2 stops35h 50m

Sydney Kingsford Smith

dom. 11/2

2:00 pm-6:21 am

3 stops32h 21m

$1,276

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

Best time to book a flight from New Orleans to Sydney

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

How far ahead should I book a flight from New Orleans to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from New Orleans to Sydney. Price data was last updated on August 29, 2025.

The best time to book flights from New Orleans to Sydney is 25 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, February is the cheapest month in which you can book a flight from New Orleans to Sydney (average of $1,035). Flying from New Orleans to Sydney in December is currently the most expensive (average of $1,626). 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 MSY to SYD?

Find hourly flight availability from New Orleans 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 septiembre 11, 2025.

It’s optimal to fly from New Orleans to Sydney in the morning. By choosing this option you can save up to 15% on the cost of your flight, compared to a flight in the evening.

What is the cheapest day to fly from New Orleans to Sydney?

Use this chart to determine the cheapest time to fly round-trip from New Orleans to Sydney. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their New Orleans to Sydney flight should consider departing on Friday mornings when fares are most often at their lowest. Monday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

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

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated septiembre 11, 2025.
Read through reviews of airlines operating flights from New Orleans to Sydney, such as Delta, Qantas Airways, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Delta
8.0
Very good
7,960 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
Qantas Airways
7.5
Good
905 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!
United Airlines
7.4
Good
8,937 reviews
Delta
8.0
Very good
7,960 reviews

Boarding

8.2

Crew

8.5

Entertainment

7.9

Overall

8.0

Comfort

7.9

Food

7.3

Reviews

1 / 20
10.0
Excellent

Kim,May 2025

PIH - SLC

This trip was fine even with delay I had plenty of time to get connection flight!

Related info for your journey

Find useful and relevant information for your journey from New Orleans to Sydney. 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 New Orleans to Sydney?

    Departing from New Orleans to Sydney will take you 24h 20m. Airlines will cover a distance of 8873 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • What are the cheapest airlines flying from New Orleans to Sydney round-trip?

    Our cheapest airline available from New Orleans to Sydney is Delta. Our recent data shows that you can find tickets from as low as $427 on this airline. Additional options worth looking into are United Airlines and Qantas Airways, starting at $907 and $1,094 round-trip. Delta is priced at 66% lower than the current average price of a flight leaving 3 months from now.

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

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

  • How can I find direct flights from New Orleans to Sydney?

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

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

    Yes. Cheapflights offers flight deals from New Orleans 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 New Orleans to Sydney?

    Currently, February is the cheapest month in which you can book a flight from New Orleans to Sydney (average of $1,035). Flying from New Orleans to Sydney in December is currently the most expensive (average of $1,626). 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
Manly
Coogee

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Alternative routes for New Orleans to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Baton Rouge to Sydney flights
Lafayette to Sydney flights
New Orleans to Albury flights

Top 3 airlines flying from New Orleans to Sydney

Discover the top 3 airlines that operate flights from New Orleans 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 septiembre 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$427Average$1,303FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$907Average$1,168FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,094Average$1,623FlexibilityNo cancel feeOn-time74%

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