What is the cheapest airline that flies from Louisville Intl to Sydney Kingsford Smith?

United Airlines and Air New Zealand are the most popular carriers operating from Louisville Intl to Sydney Kingsford Smith

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

Prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport were last updated today.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Sydney Kingsford Smith Airport.

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

The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$939 Cheap Flights from Louisville to Sydney in 2026

Q: What is the typical price of a round-trip flight between Louisville and Sydney?

Prices are currently typical for flights on this route. Typical prices usually range from $1,599 to $2,273. The lowest price recently found on this route was $1,727.

Find the cheapest flights from Louisville to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:25 - 06:50

SDF

SYD

23h 25m

2 stops

09:15 - 23:56

SYD

SDF

28h 41m

2 stops

$1,727Delta

Tue, 4 Aug - Tue, 11 Aug

13:17 - 06:50

SDF

SYD

27h 33m

2 stops

09:15 - 21:33

SYD

SDF

26h 18m

2 stops

$1,776Delta

Thu, 6 Aug - Wed, 19 Aug

19:30 - 06:55

SDF

SYD

21h 25m

1 stop

12:00 - 18:18

SYD

SDF

20h 18m

1 stop

$1,812Multiple Airlines

Thu, 6 Aug - Wed, 19 Aug

13:19 - 07:30

SDF

SYD

28h 11m

2 stops

12:00 - 18:18

SYD

SDF

20h 18m

1 stop

$1,818Multiple Airlines

Thu, 6 Aug - Wed, 19 Aug

14:10 - 07:00

SDF

SYD

26h 50m

2 stops

10:20 - 19:07

SYD

SDF

22h 47m

2 stops

$1,873United Airlines

Fri, 7 Aug - Fri, 14 Aug

19:50 - 06:55

SDF

SYD

21h 05m

1 stop

12:00 - 17:30

SYD

SDF

19h 30m

1 stop

$1,892Qantas Airways

Tue, 21 Jul - Tue, 28 Jul

15:25 - 07:00

SDF

SYD

49h 35m

2 stops

09:30 - 19:59

SYD

SDF

24h 29m

2 stops

$1,893United Airlines

Wed, 26 Aug - Sat, 5 Sep

15:25 - 07:00

SDF

SYD

49h 35m

2 stops

09:30 - 19:59

SYD

SDF

24h 29m

2 stops

$1,895United Airlines

Wed, 26 Aug - Sat, 5 Sep

15:25 - 07:00

SDF

SYD

49h 35m

2 stops

09:30 - 22:15

SYD

SDF

26h 45m

2 stops

$1,896United Airlines

Wed, 26 Aug - Sat, 5 Sep

19:50 - 06:55

SDF

SYD

21h 05m

1 stop

12:00 - 17:30

SYD

SDF

19h 30m

1 stop

$1,963Multiple Airlines

Tue, 21 Jul - Tue, 28 Jul

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise 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

United Airlines flights from Louisville to Sydney

Our best United Airlines deals on Louisville to Sydney flight tickets

United Airlines

7 Aug

SDF14:10Louisville Intl

26h 50m

2 stops

SYD07:00Sydney Kingsford Smith

14 Aug

SYD10:20Sydney Kingsford Smith

22h 47m

2 stops

SDF19:07Louisville Intl

$1,873

United Airlines

26 Aug

SDF15:25Louisville Intl

49h 35m

2 stops

SYD07:00Sydney Kingsford Smith

5 Sept

SYD09:30Sydney Kingsford Smith

24h 29m

2 stops

SDF19:59Louisville Intl

$1,893

United Airlines

26 Aug

SDF15:25Louisville Intl

49h 35m

2 stops

SYD07:00Sydney Kingsford Smith

5 Sept

SYD09:30Sydney Kingsford Smith

24h 29m

2 stops

SDF19:59Louisville Intl

$1,895

Delta flights from Louisville to Sydney

Our best Delta deals on Louisville to Sydney flight tickets

Delta

4 Aug

SDF17:25Louisville Intl

23h 25m

2 stops

SYD06:50Sydney Kingsford Smith

11 Aug

SYD09:15Sydney Kingsford Smith

28h 41m

2 stops

SDF23:56Louisville Intl

$1,727

Delta

6 Aug

SDF13:17Louisville Intl

27h 33m

2 stops

SYD06:50Sydney Kingsford Smith

19 Aug

SYD09:15Sydney Kingsford Smith

26h 18m

2 stops

SDF21:33Louisville Intl

$1,776

Delta

4 Nov

SDF15:24Louisville Intl

25h 06m

2 stops

SYD08:30Sydney Kingsford Smith

19 Nov

SYD10:40Sydney Kingsford Smith

28h 15m

2 stops

SDF22:55Louisville Intl

$1,975

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 4/8

17:25-06:50

2 stops23h 25m

Sydney Kingsford Smith

Tue 11/8

09:15-23:56

2 stops28h 41m

$1,727

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 6/8

13:17-06:50

2 stops27h 33m

Sydney Kingsford Smith

Wed 19/8

09:15-21:33

2 stops26h 18m

$1,776

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 6/8

19:30-06:55

1 stop21h 25m

Sydney Kingsford Smith

Wed 19/8

12:00-18:18

1 stop20h 18m

$1,812

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 6/8

13:19-07:30

2 stops28h 11m

Sydney Kingsford Smith

Wed 19/8

12:00-18:18

1 stop20h 18m

$1,818

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 7/8

14:10-07:00

2 stops26h 50m

Sydney Kingsford Smith

Fri 14/8

10:20-19:07

2 stops22h 47m

$1,873

Fastest return journey

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 21/7

19:50-06:55

1 stop21h 05m

Sydney Kingsford Smith

Tue 28/7

12:00-17:30

1 stop19h 30m

$1,892

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 26/8

15:25-07:00

2 stops49h 35m

Sydney Kingsford Smith

Sat 5/9

09:30-19:59

2 stops24h 29m

$1,893

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 26/8

15:25-07:00

2 stops49h 35m

Sydney Kingsford Smith

Sat 5/9

09:30-19:59

2 stops24h 29m

$1,895

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 26/8

15:25-07:00

2 stops49h 35m

Sydney Kingsford Smith

Sat 5/9

09:30-22:15

2 stops26h 45m

$1,896

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 21/7

19:50-06:55

1 stop21h 05m

Sydney Kingsford Smith

Tue 28/7

12:00-17:30

1 stop19h 30m

$1,963

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville 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

What is the typical price of a round-trip flight between Louisville and Sydney?

What is the cheapest month to fly to Sydney?

The month of March is, on average, the cheapest month to fly to Sydney from Louisville, with most prices found around $0. If you aren’t able to travel to Sydney during the month of March, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,780.

Can stopping save me money on Louisville to Sydney flights?

You could potentially save up to 24% on your flight if you consider stops on a Louisville to Sydney flight.

When to book flights from Louisville to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Louisville to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Louisville to Sydney (SDF to SYD) flight deals and tips

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

Fastest flight time	23h 25m
Direct flights	None

The fastest flight from Louisville to Sydney takes 23h 25m

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

Search flight deals

Frequently asked questions about flying from Louisville to Sydney

How far is Louisville Intl to Sydney Kingsford Smith by plane?
A flight from Louisville Intl to Sydney Kingsford Smith will travel around 14942.2 km. In terms of flight time, this usually takes a little over 23h 25m.
When did momondo last update prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport?
Prices for flights from Louisville Intl Airport to Sydney Kingsford Smith Airport were last updated today.
How old do you have to be to fly from Louisville Intl Airport to Sydney Kingsford Smith Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Manly

Coogee

Leura

Lithgow

Bondi Beach

Cronulla

Randwick

Charlestown

Newport

Swansea

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisville to Sydney . Millions of users trust and use momondo every year so you are in good hands.

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

Flights from Louisville to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo provides multiple filters to help you find the best flight to Sydney from Louisville. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

If you are not ready to book a flight from Louisville 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.