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

United Airlines and Delta 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.

$791 Cheap Flights from Louisville to Sydney in 2026

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 $1,701 to $2,203. The lowest price recently found on this route was $1,623.

1 adult

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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.

13:55 - 06:55

SDF

SYD

27h 00m

2 stops

09:30 - 19:16

SYD

SDF

23h 46m

2 stops

$1,623United Airlines

Tue, 9 Jun - Wed, 17 Jun

15:30 - 07:00

SDF

SYD

25h 30m

2 stops

10:20 - 20:14

SYD

SDF

23h 54m

2 stops

$1,691United Airlines

Sun, 31 May - Fri, 31 Jul

15:30 - 07:00

SDF

SYD

25h 30m

2 stops

09:30 - 20:00

SYD

SDF

24h 30m

2 stops

$1,694Air New Zealand

Wed, 10 Jun - Wed, 17 Jun

15:15 - 09:05

SDF

SYD

25h 50m

2 stops

11:50 - 19:51

SYD

SDF

23h 01m

1 stop

$1,753United Airlines

Sat, 7 Mar - Sat, 14 Mar

15:25 - 07:00

SDF

SYD

25h 35m

2 stops

09:30 - 23:59

SYD

SDF

28h 29m

2 stops

$1,758United Airlines

Thu, 9 Jul - Fri, 17 Jul

15:30 - 07:00

SDF

SYD

23h 30m

1 stop

11:50 - 19:51

SYD

SDF

24h 01m

1 stop

$1,821United Airlines

Thu, 19 Feb - Sun, 22 Feb

15:30 - 09:05

SDF

SYD

25h 35m

2 stops

11:50 - 20:09

SYD

SDF

24h 19m

2 stops

$1,827United Airlines

Thu, 19 Feb - Sun, 22 Feb

15:25 - 06:55

SDF

SYD

25h 30m

2 stops

10:20 - 11:53

SYD

SDF

39h 33m

2 stops

$1,962United Airlines

Fri, 19 Jun - Sat, 27 Jun

10:15 - 06:50

SDF

SYD

30h 35m

2 stops

09:15 - 20:52

SYD

SDF

25h 37m

2 stops

$1,963Delta

Tue, 21 Jul - Tue, 28 Jul

09:15 - 07:00

SDF

SYD

30h 45m

1 stop

10:20 - 22:39

SYD

SDF

26h 19m

2 stops

$2,030United Airlines

Thu, 19 Mar - Sun, 5 Apr

United Airlines flights from Louisville to Sydney

Our best United Airlines deals on Louisville to Sydney flight tickets

United Airlines

9 June

SDF13:55Louisville Intl

27h 00m

2 stops

SYD06:55Sydney Kingsford Smith

17 June

SYD09:30Sydney Kingsford Smith

23h 46m

2 stops

SDF19:16Louisville Intl

$1,623

United Airlines

31 May

SDF15:30Louisville Intl

25h 30m

2 stops

SYD07:00Sydney Kingsford Smith

31 July

SYD10:20Sydney Kingsford Smith

23h 54m

2 stops

SDF20:14Louisville Intl

$1,691

United Airlines

7 Mar

SDF15:15Louisville Intl

25h 50m

2 stops

SYD09:05Sydney Kingsford Smith

14 Mar

SYD11:50Sydney Kingsford Smith

23h 01m

1 stop

SDF19:51Louisville Intl

$1,753

Air New Zealand flights from Louisville to Sydney

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

Air New Zealand

10 June

SDF15:30Louisville Intl

25h 30m

2 stops

SYD07:00Sydney Kingsford Smith

17 June

SYD09:30Sydney Kingsford Smith

24h 30m

2 stops

SDF20:00Louisville Intl

$1,694

Air New Zealand

5 June

SDF15:30Louisville Intl

25h 25m

2 stops

SYD06:55Sydney Kingsford Smith

7 June

SYD18:55Sydney Kingsford Smith

54h 58m

2 stops

SDF11:53Louisville Intl

$2,902

Air New Zealand

5 June

SDF09:15Louisville Intl

35h 25m

2 stops

SYD10:40Sydney Kingsford Smith

7 June

SYD18:55Sydney Kingsford Smith

41h 20m

3 stops

SDF22:15Louisville Intl

$3,210

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

13:55-06:55

2 stops27h 00m

Sydney Kingsford Smith

Wed 17/6

09:30-19:16

2 stops23h 46m

$1,623

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 31/5

15:30-07:00

2 stops25h 30m

Sydney Kingsford Smith

Fri 31/7

10:20-20:14

2 stops23h 54m

$1,691

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 10/6

15:30-07:00

2 stops25h 30m

Sydney Kingsford Smith

Wed 17/6

09:30-20:00

2 stops24h 30m

$1,694

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 7/3

15:15-09:05

2 stops25h 50m

Sydney Kingsford Smith

Sat 14/3

11:50-19:51

1 stop23h 01m

$1,753

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 9/7

15:25-07:00

2 stops25h 35m

Sydney Kingsford Smith

Fri 17/7

09:30-23:59

2 stops28h 29m

$1,758

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/2

15:30-07:00

1 stop23h 30m

Sydney Kingsford Smith

Sun 22/2

11:50-19:51

1 stop24h 01m

$1,821

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/2

15:30-09:05

2 stops25h 35m

Sydney Kingsford Smith

Sun 22/2

11:50-20:09

2 stops24h 19m

$1,827

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 19/6

15:25-06:55

2 stops25h 30m

Sydney Kingsford Smith

Sat 27/6

10:20-11:53

2 stops39h 33m

$1,962

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 21/7

10:15-06:50

2 stops30h 35m

Sydney Kingsford Smith

Tue 28/7

09:15-20:52

2 stops25h 37m

$1,963

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

09:15-07:00

1 stop30h 45m

Sydney Kingsford Smith

Sun 5/4

10:20-22:39

2 stops26h 19m

$2,030

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 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 $1,750. If you aren’t able to travel to Sydney during the month of November, then flying in August is also cheap. Prices for this month can be found on momondo for an average of $1,755.

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

Coogee

Bondi Beach

Cronulla

Randwick

Charlestown

Newport

Swansea

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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.