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.

$1,040 Cheap Flights from Louisville to Sydney in 2026/27

Find the cheapest flights from Louisville to Sydney

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

16:08 - 11:05SDF Louisville Intl-SYD Sydney Kingsford Smith

26h 57m2 stops Dallas/Fort Worth Brisbane

14:05 - 17:57SYD Sydney Kingsford Smith-SDF Louisville Intl

19h 52m1 stop Dallas/Fort Worth

$1,957Qantas Airways

Fri, 29 Jan - Fri, 5 Feb

16:08 - 16:10SDF Louisville Intl-SYD Sydney Kingsford Smith

32h 02m2 stops Dallas/Fort Worth Brisbane

14:05 - 20:34SYD Sydney Kingsford Smith-SDF Louisville Intl

22h 29m1 stop Dallas/Fort Worth

$1,969Qantas Airways

Fri, 22 Jan - Sat, 30 Jan

07:00 - 12:50SDF Louisville Intl-SYD Sydney Kingsford Smith

37h 50m2 stops Houston George Bush Intcntl Auckland Intl

19:25 - 21:59SYD Sydney Kingsford Smith-SDF Louisville Intl

42h 34m2 stops Auckland Intl Houston George Bush Intcntl

$1,973Air New Zealand

Fri, 22 Jan - Sat, 30 Jan

07:00 - 12:50SDF Louisville Intl-SYD Sydney Kingsford Smith

37h 50m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 21:59SYD Sydney Kingsford Smith-SDF Louisville Intl

26h 09m2 stops Auckland Intl Houston George Bush Intcntl

$2,017Air New Zealand

Fri, 29 Jan - Fri, 5 Feb

16:08 - 12:25SDF Louisville Intl-SYD Sydney Kingsford Smith

28h 17m2 stops Dallas/Fort Worth Brisbane

14:05 - 20:34SYD Sydney Kingsford Smith-SDF Louisville Intl

22h 29m1 stop Dallas/Fort Worth

$2,270Qantas Airways

Sat, 30 Jan - Wed, 3 Feb

18:28 - 11:05SDF Louisville Intl-SYD Sydney Kingsford Smith

24h 37m2 stops Dallas/Fort Worth Brisbane

09:55 - 20:34SYD Sydney Kingsford Smith-SDF Louisville Intl

26h 39m3 stops Brisbane Los Angeles Dallas/Fort Worth

$2,277Multiple Airlines

Fri, 22 Jan - Sat, 30 Jan

15:25 - 07:00SDF Louisville Intl-SYD Sydney Kingsford Smith

23h 35m1 stop Houston George Bush Intcntl

09:20 - 21:59SYD Sydney Kingsford Smith-SDF Louisville Intl

28h 39m1 stop Houston George Bush Intcntl

$2,325United Airlines

Sat, 30 Jan - Wed, 3 Feb

15:25 - 07:00SDF Louisville Intl-SYD Sydney Kingsford Smith

23h 35m1 stop Houston George Bush Intcntl

09:20 - 21:59SYD Sydney Kingsford Smith-SDF Louisville Intl

28h 39m1 stop Houston George Bush Intcntl

$2,327United Airlines

Sat, 30 Jan - Wed, 3 Feb

15:25 - 09:05SDF Louisville Intl-SYD Sydney Kingsford Smith

25h 40m2 stops Houston George Bush Intcntl Los Angeles

11:50 - 20:29SYD Sydney Kingsford Smith-SDF Louisville Intl

24h 39m2 stops San Francisco Chicago O'Hare Intl

$2,332United Airlines

Sat, 30 Jan - Wed, 3 Feb

18:28 - 11:05SDF Louisville Intl-SYD Sydney Kingsford Smith

24h 37m2 stops Dallas/Fort Worth Brisbane

10:25 - 20:34SYD Sydney Kingsford Smith-SDF Louisville Intl

26h 09m3 stops Brisbane Los Angeles Dallas/Fort Worth

$2,408Multiple Airlines

Fri, 29 Jan - Fri, 5 Feb

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Qantas Airways flights from Louisville to Sydney

Our best Qantas Airways deals on Louisville to Sydney flight tickets

Qantas Airways

29 Jan

SDF16:08Louisville Intl

26h 57m

2 stops

SYD11:05Sydney Kingsford Smith

5 Feb

SYD14:05Sydney Kingsford Smith

19h 52m

1 stop

SDF17:57Louisville Intl

$1,957

Qantas Airways

22 Jan

SDF16:08Louisville Intl

32h 02m

2 stops

SYD16:10Sydney Kingsford Smith

30 Jan

SYD14:05Sydney Kingsford Smith

22h 29m

1 stop

SDF20:34Louisville Intl

$1,969

Qantas Airways

30 Jan

SDF16:08Louisville Intl

28h 17m

2 stops

SYD12:25Sydney Kingsford Smith

3 Feb

SYD14:05Sydney Kingsford Smith

22h 29m

1 stop

SDF20:34Louisville Intl

$2,270

Air New Zealand flights from Louisville to Sydney

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

Air New Zealand

22 Jan

SDF07:00Louisville Intl

37h 50m

2 stops

SYD12:50Sydney Kingsford Smith

30 Jan

SYD19:25Sydney Kingsford Smith

42h 34m

2 stops

SDF21:59Louisville Intl

$1,973

Air New Zealand

29 Jan

SDF07:00Louisville Intl

37h 50m

2 stops

SYD12:50Sydney Kingsford Smith

5 Feb

SYD11:50Sydney Kingsford Smith

26h 09m

2 stops

SDF21:59Louisville Intl

$2,017

Air New Zealand

25 Dec

SDF09:00Louisville Intl

33h 35m

2 stops

SYD10:35Sydney Kingsford Smith

2 Jan

SYD19:25Sydney Kingsford Smith

40h 30m

2 stops

SDF19:55Louisville Intl

$4,988

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

Fri 29/1

16:08-11:05

2 stops26h 57m

Sydney Kingsford Smith

Fri 5/2

14:05-17:57

1 stop19h 52m

$1,957

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Fri 22/1

16:08-16:10

2 stops32h 02m

Sydney Kingsford Smith

Sat 30/1

14:05-20:34

1 stop22h 29m

$1,969

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Fri 22/1

07:00-12:50

2 stops37h 50m

Sydney Kingsford Smith

Sat 30/1

19:25-21:59

2 stops42h 34m

$1,973

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Fri 29/1

07:00-12:50

2 stops37h 50m

Sydney Kingsford Smith

Fri 5/2

11:50-21:59

2 stops26h 09m

$2,017

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sat 30/1

16:08-12:25

2 stops28h 17m

Sydney Kingsford Smith

Wed 3/2

14:05-20:34

1 stop22h 29m

$2,270

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Fri 22/1

18:28-11:05

2 stops24h 37m

Sydney Kingsford Smith

Sat 30/1

09:55-20:34

3 stops26h 39m

$2,277

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sat 30/1

15:25-07:00

1 stop23h 35m

Sydney Kingsford Smith

Wed 3/2

09:20-21:59

1 stop28h 39m

$2,325

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sat 30/1

15:25-07:00

1 stop23h 35m

Sydney Kingsford Smith

Wed 3/2

09:20-21:59

1 stop28h 39m

$2,327

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sat 30/1

15:25-09:05

2 stops25h 40m

Sydney Kingsford Smith

Wed 3/2

11:50-20:29

2 stops24h 39m

$2,332

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Fri 29/1

18:28-11:05

2 stops24h 37m

Sydney Kingsford Smith

Fri 5/2

10:25-20:34

3 stops26h 09m

$2,408

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 April 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 April, then flying in May is also cheap. Prices for this month can be found on momondo for an average of $1,688.

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	$1,040
Fastest flight time	23h 19m
Direct flights	None

The best one-way flight to Sydney from Louisville in the past 72 hours is $1,040. The best return flight deal from Louisville to Sydney found on momondo in the last 72 hours is $1,957.

The fastest flight from Louisville to Sydney takes 23h 19m

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 19m.
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.