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

United Airlines, Delta, and Qantas Airways 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.

$1,459 Cheap Flights from Louisville to Sydney in 2025/26

1 adult

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Find the cheapest flights from Louisville to Sydney

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

09:15 - 07:00SDF-SYD

29h 45m1 stop

11:50 - 21:57SYD-SDF

26h 07m1 stop

$1,931United Airlines

Find Deal

Sun, 30 Nov - Sun, 7 Dec

06:35 - 08:30SDF-SYD

33h 55m2 stops

10:40 - 22:58SYD-SDF

28h 18m2 stops

$1,939Delta

Find Deal

Sun, 30 Nov - Sun, 7 Dec

15:30 - 07:00SDF-SYD

23h 30m1 stop

11:50 - 19:51SYD-SDF

24h 01m1 stop

$2,008United Airlines

Find Deal

Mon, 16 Feb - Fri, 20 Feb

16:31 - 08:30SDF-SYD

23h 59m2 stops

10:40 - 23:50SYD-SDF

29h 10m2 stops

$2,015Delta

Find Deal

Mon, 16 Feb - Fri, 20 Feb

18:27 - 06:55SDF-SYD

21h 28m1 stop

12:10 - 17:24SYD-SDF

19h 14m1 stop

$3,164Qantas Airways

Find Deal

Thu, 19 Mar - Sun, 5 Apr

11:00 - 09:35SDF-SYD

30h 35m3 stops

11:20 - 20:28SYD-SDF

25h 08m2 stops

$3,721Multiple Airlines

Find Deal

Sun, 30 Nov - Sun, 7 Dec

18:27 - 06:55SDF-SYD

21h 28m1 stop

12:10 - 17:24SYD-SDF

19h 14m1 stop

$3,999Qantas Airways

Find Deal

Thu, 19 Mar - Sun, 5 Apr

09:00 - 08:35SDF-SYD

32h 35m3 stops

09:20 - 21:57SYD-SDF

26h 37m2 stops

$4,066Air Canada

Find Deal

Thu, 19 Mar - Sun, 5 Apr

06:00 - 08:45SDF-SYD

34h 45m2 stops

18:50 - 19:54SYD-SDF

41h 04m3 stops

$4,115Air New Zealand

Find Deal

Sun, 28 Dec - Sat, 10 Jan

07:25 - 08:20SDF-SYD

32h 55m3 stops

19:15 - 17:08SYD-SDF

37h 53m3 stops

$4,533Multiple Airlines

Find Deal

Sun, 28 Dec - Sat, 10 Jan

United Airlines flights from Louisville to Sydney

Our best United Airlines deals on Louisville to Sydney flight tickets

United Airlines

30 Nov

SDF09:15Louisville Intl

29h 45m

1 stop

SYD07:00Sydney Kingsford Smith

7 Dec

SYD11:50Sydney Kingsford Smith

26h 07m

1 stop

SDF21:57Louisville Intl

$1,931

Find similar

United Airlines

16 Feb

SDF15:30Louisville Intl

23h 30m

1 stop

SYD07:00Sydney Kingsford Smith

20 Feb

SYD11:50Sydney Kingsford Smith

24h 01m

1 stop

SDF19:51Louisville Intl

$2,008

Find similar

United Airlines

19 Mar

SDF15:50Louisville Intl

24h 10m

1 stop

SYD07:00Sydney Kingsford Smith

5 Apr

SYD10:20Sydney Kingsford Smith

49h 37m

2 stops

SDF21:57Louisville Intl

$2,040

Find similar

Delta flights from Louisville to Sydney

Our best Delta deals on Louisville to Sydney flight tickets

Delta

30 Nov

SDF06:35Louisville Intl

33h 55m

2 stops

SYD08:30Sydney Kingsford Smith

7 Dec

SYD10:40Sydney Kingsford Smith

28h 18m

2 stops

SDF22:58Louisville Intl

$1,939

Find similar

Delta

16 Feb

SDF16:31Louisville Intl

23h 59m

2 stops

SYD08:30Sydney Kingsford Smith

20 Feb

SYD10:40Sydney Kingsford Smith

29h 10m

2 stops

SDF23:50Louisville Intl

$2,015

Find similar

Delta

28 Dec

SDF06:40Louisville Intl

32h 10m

2 stops

SYD06:50Sydney Kingsford Smith

10 Jan

SYD10:40Sydney Kingsford Smith

29h 15m

2 stops

SDF23:55Louisville Intl

$3,010

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 30/11

09:15-07:00

1 stop29h 45m

Sydney Kingsford Smith

Sun 7/12

11:50-21:57

1 stop26h 07m

$1,931

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 30/11

06:35-08:30

2 stops33h 55m

Sydney Kingsford Smith

Sun 7/12

10:40-22:58

2 stops28h 18m

$1,939

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 16/2

15:30-07:00

1 stop23h 30m

Sydney Kingsford Smith

Fri 20/2

11:50-19:51

1 stop24h 01m

$2,008

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 16/2

16:31-08:30

2 stops23h 59m

Sydney Kingsford Smith

Fri 20/2

10:40-23:50

2 stops29h 10m

$2,015

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

18:27-06:55

1 stop21h 28m

Sydney Kingsford Smith

Sun 5/4

12:10-17:24

1 stop19h 14m

$3,164

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 30/11

11:00-09:35

3 stops30h 35m

Sydney Kingsford Smith

Sun 7/12

11:20-20:28

2 stops25h 08m

$3,721

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

18:27-06:55

1 stop21h 28m

Sydney Kingsford Smith

Sun 5/4

12:10-17:24

1 stop19h 14m

$3,999

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

09:00-08:35

3 stops32h 35m

Sydney Kingsford Smith

Sun 5/4

09:20-21:57

2 stops26h 37m

$4,066

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 28/12

06:00-08:45

2 stops34h 45m

Sydney Kingsford Smith

Sat 10/1

18:50-19:54

3 stops41h 04m

$4,115

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 28/12

07:25-08:20

3 stops32h 55m

Sydney Kingsford Smith

Sat 10/1

19:15-17:08

3 stops37h 53m

$4,533

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 cheapest month to fly to Sydney?

The month of April is, on average, the cheapest month to fly to Sydney from Louisville, with most prices found around $1,696. If you aren’t able to travel to Sydney during the month of April, then flying in November is also cheap. Prices for this month can be found on momondo for an average of $1,745.

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

Direct flights	None

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

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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 21h 28m.
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.

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Wollongong

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Penrith

Katoomba

Lithgow

Leura

Manly

Bondi Beach

Coogee

Randwick

Cronulla

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.