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

United Airlines 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.

$952 Cheap Flights from Louisville to Sydney in 2026

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.

07:00 - 08:35SDF Louisville Intl-SYD Sydney Kingsford Smith

33h 35m2 stops Houston George Bush Intcntl Auckland Intl

19:25 - 21:58SYD Sydney Kingsford Smith-SDF Louisville Intl

42h 33m2 stops Auckland Intl Houston George Bush Intcntl

$1,773Air New Zealand

Mon, 9 Nov - Sat, 14 Nov

07:05 - 07:00SDF Louisville Intl-SYD Sydney Kingsford Smith

31h 55m1 stop Houston George Bush Intcntl

09:20 - 19:35SYD Sydney Kingsford Smith-SDF Louisville Intl

26h 15m1 stop Houston George Bush Intcntl

$1,848United Airlines

Tue, 1 Dec - Tue, 8 Dec

09:02 - 07:00SDF Louisville Intl-SYD Sydney Kingsford Smith

29h 58m2 stops Chicago O'Hare Intl Houston George Bush Intcntl

09:20 - 20:14SYD Sydney Kingsford Smith-SDF Louisville Intl

26h 54m2 stops Houston George Bush Intcntl Chicago O'Hare Intl

$1,854United Airlines

Sun, 29 Nov - Mon, 7 Dec

09:32 - 09:05SDF Louisville Intl-SYD Sydney Kingsford Smith

31h 33m2 stops Houston George Bush Intcntl Los Angeles

09:20 - 13:33SYD Sydney Kingsford Smith-SDF Louisville Intl

20h 13m1 stop Houston George Bush Intcntl

$1,855United Airlines

Tue, 1 Dec - Tue, 8 Dec

16:14 - 20:50SDF Louisville Intl-SYD Sydney Kingsford Smith

36h 36m2 stops Dallas/Fort Worth Auckland Intl

14:05 - 18:28SYD Sydney Kingsford Smith-SDF Louisville Intl

20h 23m1 stop Dallas/Fort Worth

$1,865Qantas Airways

Wed, 27 Jan - Sat, 13 Feb

16:14 - 20:50SDF Louisville Intl-SYD Sydney Kingsford Smith

36h 36m2 stops Dallas/Fort Worth Auckland Intl

14:05 - 18:28SYD Sydney Kingsford Smith-SDF Louisville Intl

20h 23m1 stop Dallas/Fort Worth

$1,895Qantas Airways

Wed, 27 Jan - Sat, 13 Feb

16:14 - 20:50SDF Louisville Intl-SYD Sydney Kingsford Smith

36h 36m2 stops Dallas/Fort Worth Auckland Intl

14:05 - 18:28SYD Sydney Kingsford Smith-SDF Louisville Intl

20h 23m1 stop Dallas/Fort Worth

$1,896Qantas Airways

Wed, 27 Jan - Sat, 13 Feb

15:45 - 12:50SDF Louisville Intl-SYD Sydney Kingsford Smith

29h 05m2 stops Houston George Bush Intcntl Auckland Intl

19:25 - 21:58SYD Sydney Kingsford Smith-SDF Louisville Intl

42h 33m2 stops Auckland Intl Houston George Bush Intcntl

$1,910Air New Zealand

Mon, 9 Nov - Sat, 14 Nov

07:05 - 07:00SDF Louisville Intl-SYD Sydney Kingsford Smith

31h 55m1 stop Houston George Bush Intcntl

09:20 - 19:35SYD Sydney Kingsford Smith-SDF Louisville Intl

26h 15m1 stop Houston George Bush Intcntl

$1,919United Airlines

Wed, 27 Jan - Sat, 13 Feb

13:55 - 06:20SDF Louisville Intl-SYD Sydney Kingsford Smith

24h 25m2 stops Chicago O'Hare Intl San Francisco

11:50 - 21:30SYD Sydney Kingsford Smith-SDF Louisville Intl

25h 40m2 stops San Francisco Houston George Bush Intcntl

$1,925United Airlines

Wed, 27 Jan - Sat, 13 Feb

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Air New Zealand flights from Louisville to Sydney

Our best Air New Zealand deals on Louisville to Sydney flight tickets

Air New Zealand

9 Nov

SDF07:00Louisville Intl

33h 35m

2 stops

SYD08:35Sydney Kingsford Smith

14 Nov

SYD19:25Sydney Kingsford Smith

42h 33m

2 stops

SDF21:58Louisville Intl

$1,773

Air New Zealand

9 Nov

SDF15:45Louisville Intl

29h 05m

2 stops

SYD12:50Sydney Kingsford Smith

14 Nov

SYD19:25Sydney Kingsford Smith

42h 33m

2 stops

SDF21:58Louisville Intl

$1,910

Air New Zealand

20 Nov

SDF08:00Louisville Intl

33h 05m

1 stop

SYD09:05Sydney Kingsford Smith

30 Nov

SYD17:20Sydney Kingsford Smith

44h 10m

2 stops

SDF21:30Louisville Intl

$2,378

United Airlines flights from Louisville to Sydney

Our best United Airlines deals on Louisville to Sydney flight tickets

United Airlines

1 Dec

SDF07:05Louisville Intl

31h 55m

1 stop

SYD07:00Sydney Kingsford Smith

8 Dec

SYD09:20Sydney Kingsford Smith

26h 15m

1 stop

SDF19:35Louisville Intl

$1,848

United Airlines

29 Nov

SDF09:02Louisville Intl

29h 58m

2 stops

SYD07:00Sydney Kingsford Smith

7 Dec

SYD09:20Sydney Kingsford Smith

26h 54m

2 stops

SDF20:14Louisville Intl

$1,854

United Airlines

1 Dec

SDF09:32Louisville Intl

31h 33m

2 stops

SYD09:05Sydney Kingsford Smith

8 Dec

SYD09:20Sydney Kingsford Smith

20h 13m

1 stop

SDF13:33Louisville Intl

$1,855

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 9/11

07:00-08:35

2 stops33h 35m

Sydney Kingsford Smith

Sat 14/11

19:25-21:58

2 stops42h 33m

$1,773

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 1/12

07:05-07:00

1 stop31h 55m

Sydney Kingsford Smith

Tue 8/12

09:20-19:35

1 stop26h 15m

$1,848

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 29/11

09:02-07:00

2 stops29h 58m

Sydney Kingsford Smith

Mon 7/12

09:20-20:14

2 stops26h 54m

$1,854

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 1/12

09:32-09:05

2 stops31h 33m

Sydney Kingsford Smith

Tue 8/12

09:20-13:33

1 stop20h 13m

$1,855

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 27/1

16:14-20:50

2 stops36h 36m

Sydney Kingsford Smith

Sat 13/2

14:05-18:28

1 stop20h 23m

$1,865

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 27/1

16:14-20:50

2 stops36h 36m

Sydney Kingsford Smith

Sat 13/2

14:05-18:28

1 stop20h 23m

$1,895

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 27/1

16:14-20:50

2 stops36h 36m

Sydney Kingsford Smith

Sat 13/2

14:05-18:28

1 stop20h 23m

$1,896

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 9/11

15:45-12:50

2 stops29h 05m

Sydney Kingsford Smith

Sat 14/11

19:25-21:58

2 stops42h 33m

$1,910

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 27/1

07:05-07:00

1 stop31h 55m

Sydney Kingsford Smith

Sat 13/2

09:20-19:35

1 stop26h 15m

$1,919

Fastest return journey

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 27/1

13:55-06:20

2 stops24h 25m

Sydney Kingsford Smith

Sat 13/2

11:50-21:30

2 stops25h 40m

$1,925

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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 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 August is also cheap. Prices for this month can be found on momondo for an average of $1,683.

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	25h 23m
Direct flights	None

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

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 25h 23m.
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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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.