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

United Airlines is the most popular carrier 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.

$919 Cheap Flights from Louisville to Sydney in 2026/27

Find the cheapest flights from Louisville to Sydney

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One-way

Cheap return flights

Enter your travel dates to find the best prices.

17:49 - 06:55SDF Louisville Intl-SYD Sydney Kingsford Smith

22h 06m1 stop Dallas/Fort Worth

14:05 - 18:09SYD Sydney Kingsford Smith-SDF Louisville Intl

20h 04m1 stop Dallas/Fort Worth

$1,751Qantas Airways

Mon, 26 Oct - Mon, 2 Nov

15:24 - 08:40SDF Louisville Intl-SYD Sydney Kingsford Smith

26h 16m2 stops Denver Intl Los Angeles

11:20 - 20:52SYD Sydney Kingsford Smith-SDF Louisville Intl

25h 32m2 stops Los Angeles Chicago O'Hare Intl

$1,753United Airlines

Sun, 25 Oct - Mon, 9 Nov

09:10 - 07:00SDF Louisville Intl-SYD Sydney Kingsford Smith

29h 50m1 stop Houston George Bush Intcntl

09:15 - 21:58SYD Sydney Kingsford Smith-SDF Louisville Intl

28h 43m1 stop Houston George Bush Intcntl

$1,763United Airlines

Wed, 11 Nov - Wed, 18 Nov

15:24 - 09:20SDF Louisville Intl-SYD Sydney Kingsford Smith

25h 56m2 stops Denver Intl San Francisco

11:20 - 18:32SYD Sydney Kingsford Smith-SDF Louisville Intl

23h 12m2 stops Los Angeles Chicago O'Hare Intl

$1,769United Airlines

Wed, 11 Nov - Wed, 18 Nov

13:59 - 07:20SDF Louisville Intl-SYD Sydney Kingsford Smith

26h 21m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 19:10SYD Sydney Kingsford Smith-SDF Louisville Intl

24h 30m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,771Delta

Mon, 26 Oct - Mon, 2 Nov

16:18 - 06:55SDF Louisville Intl-SYD Sydney Kingsford Smith

23h 37m1 stop Dallas/Fort Worth

11:15 - 18:09SYD Sydney Kingsford Smith-SDF Louisville Intl

22h 54m2 stops Los Angeles Dallas/Fort Worth

$1,795Multiple Airlines

Mon, 26 Oct - Mon, 2 Nov

15:26 - 08:30SDF Louisville Intl-SYD Sydney Kingsford Smith

25h 04m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 - 21:13SYD Sydney Kingsford Smith-SDF Louisville Intl

26h 33m2 stops Los Angeles Detroit Metropolitan Wayne County

$1,843Delta

Sun, 8 Nov - Sun, 15 Nov

09:10 - 07:00SDF Louisville Intl-SYD Sydney Kingsford Smith

29h 50m1 stop Houston George Bush Intcntl

09:10 - 21:58SYD Sydney Kingsford Smith-SDF Louisville Intl

28h 48m1 stop Houston George Bush Intcntl

$1,906United Airlines

Thu, 12 Nov - Thu, 19 Nov

14:10 - 09:05SDF Louisville Intl-SYD Sydney Kingsford Smith

26h 55m2 stops Chicago O'Hare Intl Los Angeles

11:50 - 18:32SYD Sydney Kingsford Smith-SDF Louisville Intl

22h 42m2 stops San Francisco Chicago O'Hare Intl

$1,912United Airlines

Thu, 12 Nov - Thu, 19 Nov

09:32 - 08:35SDF Louisville Intl-SYD Sydney Kingsford Smith

31h 03m2 stops Houston George Bush Intcntl Auckland Intl

07:30 - 21:30SYD Sydney Kingsford Smith-SDF Louisville Intl

30h 00m2 stops Auckland Intl Houston George Bush Intcntl

$1,917Air New Zealand

Sun, 31 Jan - Fri, 12 Feb

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United Airlines flights from Louisville to Sydney

Our best United Airlines deals on Louisville to Sydney flight tickets

United Airlines

25 Oct

SDF15:24Louisville Intl

26h 16m

2 stops

SYD08:40Sydney Kingsford Smith

9 Nov

SYD11:20Sydney Kingsford Smith

25h 32m

2 stops

SDF20:52Louisville Intl

$1,753

United Airlines

11 Nov

SDF09:10Louisville Intl

29h 50m

1 stop

SYD07:00Sydney Kingsford Smith

18 Nov

SYD09:15Sydney Kingsford Smith

28h 43m

1 stop

SDF21:58Louisville Intl

$1,763

United Airlines

11 Nov

SDF15:24Louisville Intl

25h 56m

2 stops

SYD09:20Sydney Kingsford Smith

18 Nov

SYD11:20Sydney Kingsford Smith

23h 12m

2 stops

SDF18:32Louisville Intl

$1,769

Air New Zealand flights from Louisville to Sydney

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

Air New Zealand

31 Jan

SDF09:32Louisville Intl

31h 03m

2 stops

SYD08:35Sydney Kingsford Smith

12 Feb

SYD07:30Sydney Kingsford Smith

30h 00m

2 stops

SDF21:30Louisville Intl

$1,917

Air New Zealand

7 Mar

SDF15:50Louisville Intl

26h 45m

2 stops

SYD10:35Sydney Kingsford Smith

21 Mar

SYD11:50Sydney Kingsford Smith

41h 37m

1 stop

SDF14:27Louisville Intl

$2,132

Air New Zealand

1 Mar

SDF15:50Louisville Intl

24h 45m

2 stops

SYD08:35Sydney Kingsford Smith

29 Mar

SYD11:20Sydney Kingsford Smith

42h 07m

1 stop

SDF14:27Louisville Intl

$2,201

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 26/10

17:49-06:55

1 stop22h 06m

Sydney Kingsford Smith

Mon 2/11

14:05-18:09

1 stop20h 04m

$1,751

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 25/10

15:24-08:40

2 stops26h 16m

Sydney Kingsford Smith

Mon 9/11

11:20-20:52

2 stops25h 32m

$1,753

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 11/11

09:10-07:00

1 stop29h 50m

Sydney Kingsford Smith

Wed 18/11

09:15-21:58

1 stop28h 43m

$1,763

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 11/11

15:24-09:20

2 stops25h 56m

Sydney Kingsford Smith

Wed 18/11

11:20-18:32

2 stops23h 12m

$1,769

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 26/10

13:59-07:20

2 stops26h 21m

Sydney Kingsford Smith

Mon 2/11

10:40-19:10

2 stops24h 30m

$1,771

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 26/10

16:18-06:55

1 stop23h 37m

Sydney Kingsford Smith

Mon 2/11

11:15-18:09

2 stops22h 54m

$1,795

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 8/11

15:26-08:30

2 stops25h 04m

Sydney Kingsford Smith

Sun 15/11

10:40-21:13

2 stops26h 33m

$1,843

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Thu 12/11

09:10-07:00

1 stop29h 50m

Sydney Kingsford Smith

Thu 19/11

09:10-21:58

1 stop28h 48m

$1,906

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Thu 12/11

14:10-09:05

2 stops26h 55m

Sydney Kingsford Smith

Thu 19/11

11:50-18:32

2 stops22h 42m

$1,912

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 31/1

09:32-08:35

2 stops31h 03m

Sydney Kingsford Smith

Fri 12/2

07:30-21:30

2 stops30h 00m

$1,917

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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 January 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 January, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,696.

Can stopping save me money on Louisville to Sydney flights?

You could potentially save up to 5% 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

Best price found	$919
Fastest flight time	22h 06m
Direct flights	None

The best one-way flight to Sydney from Louisville in the past 72 hours is $919. The best return flight deal from Louisville to Sydney found on momondo in the last 72 hours is $1,751.

The fastest flight from Louisville to Sydney takes 22h 06m

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 22h 06m.
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.