How long does it take to fly to Sydney?

Flight times from Louisiana to Sydney vary, but if you’re flying out of New Orleans and flying into Sydney (one of the most popular routes), then the duration is 20h 58m on average. Another popular route from Louisiana to Sydney is flying from Lafayette to Sydney, which will take roughly 23h 46m. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Sydney?

Qantas Airways, United Airlines and Delta are the top three most popular airlines that fly to Sydney from Louisiana according to our data. Qantas Airways is the first choice among our users, with 41% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 4 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Louisiana to Sydney Kingsford Smith Airport?

Prices for flights from Louisiana to Sydney Kingsford Smith Airport are refreshed on a daily basis.

How many operators does momondo search for flights from Louisiana to Sydney Kingsford Smith Airport?

The number of operators available for flights from Louisiana to Sydney Kingsford Smith Airport is 4 as of May 2026.

How old do you have to be to fly from Louisiana to Sydney Kingsford Smith Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisiana to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$663 Cheap Flights from Louisiana to Sydney in 2026

1 adult

0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Louisiana to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

11:16 am - 6:55 am

MSY

SYD

28h 39m

1 stop

12:00 pm - 5:11 pm

SYD

MSY

20h 11m

1 stop

$1,158American Airlines

Sun, Aug 16 - Wed, Aug 26

7:04 pm - 6:55 am

MSY

SYD

20h 51m

1 stop

10:20 am - 6:40 pm

SYD

MSY

23h 20m

1 stop

$1,160Air New Zealand

Tue, May 26 - Tue, Aug 18

7:04 pm - 6:55 am

MSY

SYD

20h 51m

1 stop

10:20 am - 6:40 pm

SYD

MSY

23h 20m

1 stop

$1,161United Airlines

Mon, May 25 - Tue, Aug 18

2:45 pm - 7:30 am

MSY

SYD

25h 45m

2 stops

12:00 pm - 5:11 pm

SYD

MSY

20h 11m

1 stop

$1,162American Airlines

Wed, May 27 - Wed, Aug 19

4:09 pm - 6:55 am

LFT

SYD

23h 46m

2 stops

9:30 am - 10:59 pm

SYD

LFT

28h 29m

2 stops

$1,165Air New Zealand

Sun, Jul 26 - Sun, Aug 23

5:35 pm - 7:00 am

MSY

SYD

22h 25m

2 stops

9:30 am - 4:13 pm

SYD

MSY

21h 43m

2 stops

$1,166United Airlines

Tue, May 26 - Tue, Aug 18

9:40 am - 7:00 am

BTR

SYD

28h 20m

1 stop

11:50 am - 5:42 pm

SYD

BTR

22h 52m

1 stop

$1,560Multiple Airlines

Sat, Nov 7 - Sat, Nov 28

6:11 am - 6:50 am

BTR

SYD

33h 39m

2 stops

9:15 am - 9:55 pm

SYD

BTR

27h 40m

2 stops

$1,664Delta

Thu, Jun 11 - Wed, Jun 17

7:36 pm - 6:55 am

BTR

SYD

20h 19m

1 stop

9:10 am - 7:06 pm

SYD

BTR

24h 56m

2 stops

$2,136Qantas Airways

Thu, Jun 11 - Wed, Jun 17

6:14 pm - 6:55 am

BTR

SYD

21h 41m

1 stop

12:00 pm - 5:45 pm

SYD

BTR

20h 45m

1 stop

$2,483Qantas Airways

Sat, Sep 5 - Sat, Sep 12

Qantas Airways flights from Louisiana to Sydney

Our best Qantas Airways deals on Louisiana to Sydney flight tickets

Qantas Airways

May 20

MSY2:45 pmNew Orleans Louis Armstrong

26h 15m

2 stops

SYD8:00 amSydney Kingsford Smith

Jun 7

SYD12:00 pmSydney Kingsford Smith

22h 06m

1 stop

MSY7:06 pmNew Orleans Louis Armstrong

$1,135

Qantas Airways

Aug 13

MSY2:49 pmNew Orleans Louis Armstrong

25h 06m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 24

SYD12:00 pmSydney Kingsford Smith

24h 46m

1 stop

MSY9:46 pmNew Orleans Louis Armstrong

$1,349

Qantas Airways

Aug 13

MSY7:30 pmNew Orleans Louis Armstrong

20h 25m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 26

SYD12:00 pmSydney Kingsford Smith

20h 11m

1 stop

MSY5:11 pmNew Orleans Louis Armstrong

$1,373

Air Canada flights from Louisiana to Sydney

Our best Air Canada deals on Louisiana to Sydney flight tickets

Air Canada

Jun 2

MSY2:35 pmNew Orleans Louis Armstrong

25h 45m

2 stops

SYD7:20 amSydney Kingsford Smith

Jun 5

SYD9:20 amSydney Kingsford Smith

29h 06m

2 stops

MSY11:26 pmNew Orleans Louis Armstrong

$1,248

Air Canada

Aug 13

MSY4:00 pmNew Orleans Louis Armstrong

24h 20m

2 stops

SYD7:20 amSydney Kingsford Smith

Aug 24

SYD9:20 amSydney Kingsford Smith

44h 37m

2 stops

MSY2:57 pmNew Orleans Louis Armstrong

$1,255

Air Canada

May 20

MSY7:23 pmNew Orleans Louis Armstrong

44h 57m

2 stops

SYD7:20 amSydney Kingsford Smith

Jun 7

SYD9:20 amSydney Kingsford Smith

27h 14m

2 stops

MSY9:34 pmNew Orleans Louis Armstrong

$1,274

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Sun 8/16

11:16 am-6:55 am

1 stop28h 39m

Sydney Kingsford Smith

Wed 8/26

12:00 pm-5:11 pm

1 stop20h 11m

$1,158

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Tue 5/26

7:04 pm-6:55 am

1 stop20h 51m

Sydney Kingsford Smith

Tue 8/18

10:20 am-6:40 pm

1 stop23h 20m

$1,160

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Mon 5/25

7:04 pm-6:55 am

1 stop20h 51m

Sydney Kingsford Smith

Tue 8/18

10:20 am-6:40 pm

1 stop23h 20m

$1,161

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Wed 5/27

2:45 pm-7:30 am

2 stops25h 45m

Sydney Kingsford Smith

Wed 8/19

12:00 pm-5:11 pm

1 stop20h 11m

$1,162

LafayetteSydney

LFT - SYD

LFTSYD

Lafayette Regional

Sun 7/26

4:09 pm-6:55 am

2 stops23h 46m

Sydney Kingsford Smith

Sun 8/23

9:30 am-10:59 pm

2 stops28h 29m

$1,165

New OrleansSydney

MSY - SYD

MSYSYD

New Orleans Louis Armstrong

Tue 5/26

5:35 pm-7:00 am

2 stops22h 25m

Sydney Kingsford Smith

Tue 8/18

9:30 am-4:13 pm

2 stops21h 43m

$1,166

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

Sat 11/7

9:40 am-7:00 am

1 stop28h 20m

Sydney Kingsford Smith

Sat 11/28

11:50 am-5:42 pm

1 stop22h 52m

$1,560

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

Thu 6/11

6:11 am-6:50 am

2 stops33h 39m

Sydney Kingsford Smith

Wed 6/17

9:15 am-9:55 pm

2 stops27h 40m

$1,664

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

Thu 6/11

7:36 pm-6:55 am

1 stop20h 19m

Sydney Kingsford Smith

Wed 6/17

9:10 am-7:06 pm

2 stops24h 56m

$2,136

Quickest round-trip

Baton RougeSydney

BTR - SYD

BTRSYD

Baton Rouge Ryan

Sat 9/5

6:14 pm-6:55 am

1 stop21h 41m

Sydney Kingsford Smith

Sat 9/12

12:00 pm-5:45 pm

1 stop20h 45m

$2,483

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 19 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisiana to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Other information

What is the cheapest month to fly to Sydney?

In general, April is the cheapest month to fly from Louisiana to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $503. If you are unable to visit Sydney during the month of April, then departing from Louisiana during the month September is also very affordable. Most momondo users find prices during this month for around $905.

Can stopping save me money on Louisiana to Sydney flights?

You could potentially save up to 8% on your flight if you consider stops on a Louisiana to Sydney flight.

Cheap Louisiana to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisiana to Sydney

Fastest flight time	20h 58m
Direct flights	None

The fastest flight from Louisiana to Sydney takes 20h 58m

There are no direct flights from Louisiana to Sydney. There are no popular flight routes from Louisiana to Sydney.

Search flight deals

Frequently asked questions about flying from Louisiana to Sydney

When did momondo last update prices for flights from Louisiana to Sydney Kingsford Smith Airport?
Prices for flights from Louisiana to Sydney Kingsford Smith Airport are refreshed on a daily basis.
How many operators does momondo search for flights from Louisiana to Sydney Kingsford Smith Airport?
The number of operators available for flights from Louisiana to Sydney Kingsford Smith Airport is 4 as of May 2026.
How old do you have to be to fly from Louisiana to Sydney Kingsford Smith Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisiana to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Louisiana to Sydney

Compare and see reviews for airlines that fly from Louisiana to Sydney with momondo

Airline	Rating	Free Cancellation	Price
Qantas Airways	PriceFrom $1,056	Free Cancellation	Rating 7.5 1,037 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,125	Free Cancellation	Rating 7.1 11,662 reviews	Search American Airlines flights
United Airlines	PriceFrom $1,137	Free Cancellation	Rating 7.4 9,717 reviews	Search United Airlines flights
Delta	PriceFrom $1,141	Free Cancellation	Rating 7.9 8,453 reviews	Search Delta flights

Parramatta

Bondi Beach

Katoomba

Wollongong

Penrith

Leura

Randwick

Lithgow

Manly

Coogee

Cronulla

Terrigal

Charlestown

Swansea

Why use momondo?

Why should I use momondo to find a flight deal from Louisiana to Sydney?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisiana to Sydney. momondo saves you time and could save you money on your trip.

Can I find flights from Louisiana to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Louisiana with this policy.

How can momondo help me find flights from Louisiana to Sydney?

momondo helps you find the best flight between Louisiana and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Louisiana to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Louisiana to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Start using Trips

Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

1 adult

Sun 6/14

Sun 6/21

Email me momondo's favorite deals

By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia

Nearby airports

Airlines

Cabin classes

Other Australia destinations

Other flights from Louisiana

Complete your trip

Feeling lucky

Cheap flights from Louisiana to Sydney from $663

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Louisiana to Sydney departing on 7/30. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

Big names and deals

Big names and deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from Louisiana to Sydney

Cheap round-trip flights

Cheap one-way flights

Cheap last minute flights

Qantas Airways flights from Louisiana to Sydney

Our best Qantas Airways deals on Louisiana to Sydney flight tickets

Air Canada flights from Louisiana to Sydney

Our best Air Canada deals on Louisiana to Sydney flight tickets

momondo Fare Finder

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

See travel insights to Sydney from

How to get the cheapest flight ticket from Louisiana to Sydney

What is the cheapest month to fly to Sydney?

Can stopping save me money on Louisiana to Sydney flights?

What airlines fly to Sydney?

How long does it take to fly to Sydney?

Cheap Louisiana to Sydney flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisiana to Sydney

Fastest flight time

Direct flights

Frequently asked questions about flying from Louisiana to Sydney

Best airlines flying from Louisiana to Sydney

Compare and see reviews for airlines that fly from Louisiana to Sydney with momondo

Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales

Fly your favorite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

Popular cities in Australia

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from Louisiana

According to popular flight searches on momondo this year

Complete your trip to Sydney

Explore popular destinations other users love

According to popular flight searches on momondo this year