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

Delta, 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.

$1,234 Cheap Flights from Louisville to Sydney (SDF-SYD) in 2025

1 adult

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Find the cheapest flights from Louisville to Sydney (SDF-SYD)

Round-trip

One-way

Cheap return flights

12:48 - 06:35SDF-SYD

27h 47m2 stops

10:25 - 22:34SYD-SDF

27h 09m2 stops

$1,664Delta

Find Deal

Wed, 24 Sep - Sun, 12 Oct

12:48 - 06:35SDF-SYD

27h 47m2 stops

09:25 - 23:52SYD-SDF

28h 27m2 stops

$1,818Delta

Find Deal

Fri, 26 Sep - Fri, 3 Oct

12:31 - 07:35SDF-SYD

28h 04m2 stops

10:25 - 21:48SYD-SDF

26h 23m2 stops

$1,898Delta

Find Deal

Sat, 4 Oct - Sat, 11 Oct

15:30 - 06:55SDF-SYD

25h 25m2 stops

10:20 - 20:28SYD-SDF

24h 08m2 stops

$2,091United Airlines

Find Deal

Wed, 10 Sep - Fri, 12 Sep

09:05 - 06:20SDF-SYD

29h 15m2 stops

11:50 - 19:54SYD-SDF

24h 04m1 stop

$2,681United Airlines

Find Deal

Sat, 27 Dec - Tue, 20 Jan

20:14 - 07:30SDF-SYD

44h 16m1 stop

13:10 - 18:03SYD-SDF

43h 53m2 stops

$3,106

Find Deal

Fri, 10 Oct - Fri, 17 Oct

20:14 - 07:30SDF-SYD

44h 16m1 stop

13:10 - 18:03SYD-SDF

43h 53m2 stops

$3,203

Find Deal

Fri, 10 Oct - Fri, 17 Oct

18:44 - 06:55SDF-SYD

22h 11m1 stop

13:10 - 22:25SYD-SDF

24h 15m1 stop

$3,366Qantas Airways

Find Deal

Wed, 24 Sep - Sun, 12 Oct

18:44 - 06:55SDF-SYD

22h 11m1 stop

13:10 - 22:25SYD-SDF

24h 15m1 stop

$3,511Qantas Airways

Find Deal

Tue, 23 Sep - Wed, 15 Oct

09:40 - 08:45SDF-SYD

32h 05m2 stops

08:45 - 21:54SYD-SDF

28h 09m2 stops

$4,000Air New Zealand

Find Deal

Fri, 10 Oct - Fri, 17 Oct

Delta flights from Louisville to Sydney

Our best Delta deals on Louisville to Sydney flight tickets

Delta

24 Sept

SDF12:48Louisville Intl

27h 47m

2 stops

SYD06:35Sydney Kingsford Smith

12 Oct

SYD10:25Sydney Kingsford Smith

27h 09m

2 stops

SDF22:34Louisville Intl

$1,664

Find similar

Delta

26 Sept

SDF12:48Louisville Intl

27h 47m

2 stops

SYD06:35Sydney Kingsford Smith

3 Oct

SYD09:25Sydney Kingsford Smith

28h 27m

2 stops

SDF23:52Louisville Intl

$1,818

Find similar

Delta

4 Oct

SDF12:31Louisville Intl

28h 04m

2 stops

SYD07:35Sydney Kingsford Smith

11 Oct

SYD10:25Sydney Kingsford Smith

26h 23m

2 stops

SDF21:48Louisville Intl

$1,898

Find similar

Qantas Airways flights from Louisville to Sydney

Our best Qantas Airways deals on Louisville to Sydney flight tickets

Qantas Airways

24 Sept

SDF18:44Louisville Intl

22h 11m

1 stop

SYD06:55Sydney Kingsford Smith

12 Oct

SYD13:10Sydney Kingsford Smith

24h 15m

1 stop

SDF22:25Louisville Intl

$3,366

Find similar

Qantas Airways

23 Sept

SDF18:44Louisville Intl

22h 11m

1 stop

SYD06:55Sydney Kingsford Smith

15 Oct

SYD13:10Sydney Kingsford Smith

24h 15m

1 stop

SDF22:25Louisville Intl

$3,511

Find similar

Qantas Airways

24 Sept

SDF16:43Louisville Intl

25h 12m

2 stops

SYD07:55Sydney Kingsford Smith

12 Oct

SYD13:10Sydney Kingsford Smith

24h 15m

1 stop

SDF22:25Louisville Intl

$3,543

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 24/9

12:48-06:35

2 stops27h 47m

Sydney Kingsford Smith

Sun 12/10

10:25-22:34

2 stops27h 09m

$1,664

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 26/9

12:48-06:35

2 stops27h 47m

Sydney Kingsford Smith

Fri 3/10

09:25-23:52

2 stops28h 27m

$1,818

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 4/10

12:31-07:35

2 stops28h 04m

Sydney Kingsford Smith

Sat 11/10

10:25-21:48

2 stops26h 23m

$1,898

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 10/9

15:30-06:55

2 stops25h 25m

Sydney Kingsford Smith

Fri 12/9

10:20-20:28

2 stops24h 08m

$2,091

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 27/12

09:05-06:20

2 stops29h 15m

Sydney Kingsford Smith

Tue 20/1

11:50-19:54

1 stop24h 04m

$2,681

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 10/10

20:14-07:30

1 stop44h 16m

Sydney Kingsford Smith

Fri 17/10

13:10-18:03

2 stops43h 53m

$3,106

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 10/10

20:14-07:30

1 stop44h 16m

Sydney Kingsford Smith

Fri 17/10

13:10-18:03

2 stops43h 53m

$3,203

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 24/9

18:44-06:55

1 stop22h 11m

Sydney Kingsford Smith

Sun 12/10

13:10-22:25

1 stop24h 15m

$3,366

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 23/9

18:44-06:55

1 stop22h 11m

Sydney Kingsford Smith

Wed 15/10

13:10-22:25

1 stop24h 15m

$3,511

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 10/10

09:40-08:45

2 stops32h 05m

Sydney Kingsford Smith

Fri 17/10

08:45-21:54

2 stops28h 09m

$4,000

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 $1,710. 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 $1,759.

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.

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 21h 09m.
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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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.