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$538+ Cheap flights from New Orleans (MSY) 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 9/10. Fares are subject to change and may not be available on all flights or dates of travel.
MSY — SYD
Aug 3 — Aug 101
Sun 8/3
Sun 8/10
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 February or May, 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 July 29, 2025.

Round-trip from

$976
(lol.travel)

One-way from

$538
(Ovago)

Popular in

December

Cheapest in

February

Average price

$1,364
From New Orleans Louis Armstrong to Sydney Kingsford Smith
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One-way flight from New Orleans Louis Armstrong to Sydney Kingsford Smith
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Highest demand for flights based on searches. 11% potential increase in price ($160 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($42 potential savings vs. average RT price).
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Average for round-trip flights in July 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 July 29, 2025.

This lol.travel deal was found by Cheapflights users on 7/29. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/53:25 pmMSY - SYD
2 stops24h 35mUnited Airlines
Fri 9/199:30 amSYD - MSY
2 stops23h 15mUnited Airlines
Deal found 7/29$976
This Travelocity deal was found by Cheapflights users on 7/28. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/303:45 pmMSY - SYD
2 stops24h 35mAir Canada
Fri 9/59:20 amSYD - MSY
2 stops40h 42mAir Canada
Deal found 7/28$998
This Air Canada deal was found by Cheapflights users on 7/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/712:03 pmMSY - SYD
2 stops28h 17mMultiple Airlines
Sun 8/109:20 amSYD - MSY
2 stops40h 36mMultiple Airlines
Deal found 7/28$1,003
This Ovago deal was found by Cheapflights users on 7/29. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/54:13 pmMSY - SYD
1 stop23h 42mQantas Airways
Fri 9/1912:10 pmSYD - MSY
1 stop25h 38mQantas Airways
Deal found 7/29$1,046
This American Airlines deal was found by Cheapflights users on 7/29. 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.
Fri 9/56:35 pmMSY - SYD
1 stop21h 20mAmerican Airlines
Fri 9/199:10 amSYD - MSY
2 stops26h 11mAmerican Airlines
Deal found 7/29$1,060
This Delta deal was found by Cheapflights users on 7/29. 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 12/26:30 amMSY - SYD
2 stops33h 00mDelta
Sat 12/1310:40 amSYD - MSY
2 stops39h 17mDelta
Deal found 7/29$1,129

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 July 29, 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

Fri 9/5

3:25 pm-7:00 am

2 stops24h 35m

Sydney Kingsford Smith

Fri 9/19

9:30 am-5:45 pm

2 stops23h 15m

$976

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sat 8/30

3:45 pm-7:20 am

2 stops24h 35m

Sydney Kingsford Smith

Fri 9/5

9:20 am-11:02 am

2 stops40h 42m

$998

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Fri 9/5

4:13 pm-6:55 am

1 stop23h 42m

Sydney Kingsford Smith

Fri 9/19

12:10 pm-10:48 pm

1 stop25h 38m

$1,046

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Fri 9/5

6:35 pm-6:55 am

1 stop21h 20m

Sydney Kingsford Smith

Fri 9/19

9:10 am-8:21 pm

2 stops26h 11m

$1,060

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Tue 12/2

6:30 am-8:30 am

2 stops33h 00m

Sydney Kingsford Smith

Sat 12/13

10:40 am-8:57 am

2 stops39h 17m

$1,129

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sat 8/30

3:45 pm-7:20 am

2 stops24h 35m

Sydney Kingsford Smith

Fri 9/5

12:10 pm-5:24 pm

1 stop20h 14m

$1,205

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Wed 9/10

6:35 pm-6:55 am

1 stop21h 20m

$538

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Wed 11/5

6:05 pm-9:35 am

2 stops46h 30m

$557

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Wed 9/10

3:43 pm-7:05 am

2 stops24h 22m

$559

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Wed 9/10

5:57 pm-7:30 am

3 stops46h 33m

$594

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/27

Showing 1-10 of 12 results
1
2

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 July 25, 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 $1,028). Flying from New Orleans 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 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 July 29, 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?

What’s the top layover airport for flights from New Orleans to Sydney?

Share of 1-stop round-trip flights from New Orleans to Sydney chosen by Cheapflights users in the past 12 months, using the same layover each way.

Houston (IAH) – chosen by Cheapflights users on 50% of 1-stop itineraries from New Orleans to Sydney on Cheapflights.

What’s the cheapest layover airport for flights from New Orleans to Sydney?

Average round-trip fare for 1-stop flights from New Orleans to Sydney, chosen by Cheapflights users in the past 12 months, with the same layover each way.

Houston (IAH) is the most affordable 1-stop option, with an average round-trip price of $1,132.

What’s the fastest layover option from New Orleans to Sydney?

Shortest average travel time for 1-stop one-way flights from New Orleans to Sydney, based on itineraries clicked by Cheapflights users over the past 12 months, grouped by layover airport.

Flights via San Francisco (SFO) have the shortest average one-way travel time for 1-stop routes: 17h 29m.

Which airport typically offers the quickest layover for flights from New Orleans to Sydney?

Average layover duration for 1-stop one-way flights from New Orleans to Sydney, chosen by Cheapflights users in the last 12 months, grouped by stopover airport.

Flights via Houston (IAH) offer the fastest connection on this route, with an average layover time of 1h 38m.

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 July 29, 2025.
Read through reviews of airlines operating flights from New Orleans to Sydney, such as Alaska Airlines, Delta, and Qantas Airways. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,977 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Qantas Airways
7.5
Good
883 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
United Airlines
7.4
Good
8,899 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Crew

8.5

Boarding

8.1

Overall

8.0

Entertainment

7.1

Comfort

7.8

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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.

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

    Our cheapest airline available from New Orleans to Sydney is United Airlines. Our recent data shows that you can find tickets from as low as $976 on this airline. Additional options worth looking into are Air Canada and Qantas Airways, starting at $998 and $1,046 round-trip. United Airlines is priced at 24% lower than the current average price of a flight leaving 3 months from now.

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

    One-way options have recently been found by users for as low as $538 on Qantas Airways. Other airlines that offer cheap prices include Air Canada from $557 and American Airlines from $559 one-way.

  • 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 $1,028). Flying from New Orleans 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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Alternative routes for New Orleans to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from New Orleans to Sydney

Discover the top 4 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 July 29, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$911Average$1,208FlexibilityNo cancel feeOn-time69%
DeltaCheapest$938Average$1,349FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$1,254Average$1,851FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,328Average$1,366FlexibilityNo cancel feeOn-time71%

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