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

Delta and United Airlines 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.

$836 Cheap Flights from Louisville to Sydney in 2025/26

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

Prices are currently low for flights on this route. Typical prices usually range from $1,909 to $3,583. The lowest price recently found on this route was $1,758.

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Find the cheapest flights from Louisville to Sydney

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One-way

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Enter your travel dates to find the best prices.

15:30 - 07:00

SDF

SYD

24h 30m1 stop

11:50 - 19:51

SYD

SDF

23h 01m1 stop

$1,758United Airlines

Mon, 16 Mar - Mon, 23 Mar

09:00 - 07:00

SDF

SYD

31h 00m2 stops

11:50 - 19:51

SYD

SDF

23h 01m1 stop

$1,765United Airlines

Mon, 16 Mar - Mon, 23 Mar

15:25 - 07:00

SDF

SYD

25h 35m2 stops

09:30 - 20:21

SYD

SDF

24h 51m2 stops

$1,841United Airlines

Tue, 7 Apr - Thu, 16 Apr

14:05 - 06:20

SDF

SYD

24h 15m2 stops

11:50 - 19:54

SYD

SDF

24h 04m1 stop

$1,909United Airlines

Thu, 29 Jan - Thu, 5 Feb

11:10 - 06:20

SDF

SYD

27h 10m2 stops

14:00 - 20:28

SYD

SDF

22h 28m2 stops

$1,916United Airlines

Sat, 31 Jan - Sat, 7 Feb

15:30 - 07:00

SDF

SYD

23h 30m1 stop

11:50 - 19:54

SYD

SDF

24h 04m1 stop

$1,921United Airlines

Sat, 7 Feb - Wed, 11 Feb

11:10 - 07:00

SDF

SYD

27h 50m2 stops

14:00 - 20:28

SYD

SDF

22h 28m2 stops

$1,929United Airlines

Sat, 7 Feb - Wed, 11 Feb

15:20 - 07:00

SDF

SYD

25h 40m2 stops

09:30 - 16:49

SYD

SDF

45h 19m2 stops

$2,019United Airlines

Tue, 9 Jun - Wed, 17 Jun

15:30 - 07:00

SDF

SYD

24h 30m1 stop

10:20 - 22:32

SYD

SDF

26h 12m2 stops

$2,068United Airlines

Thu, 19 Mar - Sun, 5 Apr

15:30 - 07:00

SDF

SYD

23h 30m1 stop

11:50 - 19:54

SYD

SDF

24h 04m1 stop

$2,080United Airlines

Mon, 19 Jan - Fri, 23 Jan

United Airlines flights from Louisville to Sydney

Our best United Airlines deals on Louisville to Sydney flight tickets

United Airlines

16 Mar

SDF15:30Louisville Intl

24h 30m

1 stop

SYD07:00Sydney Kingsford Smith

23 Mar

SYD11:50Sydney Kingsford Smith

23h 01m

1 stop

SDF19:51Louisville Intl

$1,758

Find similar

United Airlines

7 Apr

SDF15:25Louisville Intl

25h 35m

2 stops

SYD07:00Sydney Kingsford Smith

16 Apr

SYD09:30Sydney Kingsford Smith

24h 51m

2 stops

SDF20:21Louisville Intl

$1,841

Find similar

United Airlines

29 Jan

SDF14:05Louisville Intl

24h 15m

2 stops

SYD06:20Sydney Kingsford Smith

5 Feb

SYD11:50Sydney Kingsford Smith

24h 04m

1 stop

SDF19:54Louisville Intl

$1,909

Find similar

Delta flights from Louisville to Sydney

Our best Delta deals on Louisville to Sydney flight tickets

Delta

16 Mar

SDF12:53Louisville Intl

27h 32m

2 stops

SYD07:25Sydney Kingsford Smith

23 Mar

SYD09:40Sydney Kingsford Smith

26h 20m

2 stops

SDF21:00Louisville Intl

$1,765

Find similar

Delta

23 Dec

SDF18:06Louisville Intl

46h 24m

2 stops

SYD08:30Sydney Kingsford Smith

4 Jan

SYD10:40Sydney Kingsford Smith

52h 26m

2 stops

SDF23:06Louisville Intl

$5,606

Find similar

Delta

22 Dec

SDF18:51Louisville Intl

43h 59m

2 stops

SYD06:50Sydney Kingsford Smith

4 Jan

SYD10:40Sydney Kingsford Smith

43h 52m

2 stops

SDF14:32Louisville Intl

$5,982

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 16/3

15:30-07:00

1 stop24h 30m

Sydney Kingsford Smith

Mon 23/3

11:50-19:51

1 stop23h 01m

$1,758

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 16/3

09:00-07:00

2 stops31h 00m

Sydney Kingsford Smith

Mon 23/3

11:50-19:51

1 stop23h 01m

$1,765

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 7/4

15:25-07:00

2 stops25h 35m

Sydney Kingsford Smith

Thu 16/4

09:30-20:21

2 stops24h 51m

$1,841

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 29/1

14:05-06:20

2 stops24h 15m

Sydney Kingsford Smith

Thu 5/2

11:50-19:54

1 stop24h 04m

$1,909

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 31/1

11:10-06:20

2 stops27h 10m

Sydney Kingsford Smith

Sat 7/2

14:00-20:28

2 stops22h 28m

$1,916

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 7/2

15:30-07:00

1 stop23h 30m

Sydney Kingsford Smith

Wed 11/2

11:50-19:54

1 stop24h 04m

$1,921

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 7/2

11:10-07:00

2 stops27h 50m

Sydney Kingsford Smith

Wed 11/2

14:00-20:28

2 stops22h 28m

$1,929

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

15:20-07:00

2 stops25h 40m

Sydney Kingsford Smith

Wed 17/6

09:30-16:49

2 stops45h 19m

$2,019

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

15:30-07:00

1 stop24h 30m

Sydney Kingsford Smith

Sun 5/4

10:20-22:32

2 stops26h 12m

$2,068

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 19/1

15:30-07:00

1 stop23h 30m

Sydney Kingsford Smith

Fri 23/1

11:50-19:54

1 stop24h 04m

$2,080

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 November is, on average, the cheapest month to fly to Sydney from Louisville, with most prices found around $1,726. If you aren’t able to travel to Sydney during the month of November, then flying in March is also cheap. Prices for this month can be found on momondo for an average of $1,812.

Can stopping save me money on Louisville to Sydney flights?

You could potentially save up to 28% 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 30m
Direct flights	None

The fastest flight from Louisville to Sydney takes 23h 30m

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

Search flight deals

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 30m.
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

Lithgow

Leura

Manly

Bondi Beach

Coogee

Cronulla

Randwick

Charlestown

Newport

Swansea

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

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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.