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

Air New Zealand 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.

$1,005 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 $1,915 to $1,590. The lowest price recently found on this route was $1,608.

1 adult

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Find the cheapest flights from Louisville to Sydney

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

14:10 - 06:55

SDF

SYD

26h 45m

2 stops

09:30 - 19:00

SYD

SDF

23h 30m

2 stops

$1,608Air New Zealand

Tue, 9 Jun - Wed, 17 Jun

15:41 - 07:00

SDF

SYD

25h 19m

2 stops

09:30 - 20:23

SYD

SDF

24h 53m

2 stops

$1,610United Airlines

Sun, 26 Jul - Sun, 9 Aug

15:25 - 06:55

SDF

SYD

25h 30m

2 stops

10:20 - 20:23

SYD

SDF

24h 03m

2 stops

$1,674Air New Zealand

Tue, 28 Jul - Fri, 7 Aug

15:41 - 06:55

SDF

SYD

25h 14m

2 stops

09:30 - 19:01

SYD

SDF

23h 31m

2 stops

$1,676United Airlines

Sat, 25 Jul - Mon, 10 Aug

08:00 - 06:55

SDF

SYD

32h 55m

2 stops

10:20 - 14:28

SYD

SDF

42h 08m

2 stops

$1,757United Airlines

Sat, 25 Jul - Thu, 6 Aug

10:00 - 06:50

SDF

SYD

30h 50m

2 stops

09:15 - 19:11

SYD

SDF

23h 56m

2 stops

$1,792Delta

Tue, 28 Jul - Wed, 5 Aug

13:02 - 06:50

SDF

SYD

27h 48m

2 stops

09:15 - 19:30

SYD

SDF

24h 15m

2 stops

$1,858Delta

Fri, 31 Jul - Mon, 10 Aug

16:28 - 06:50

SDF

SYD

48h 22m

2 stops

09:15 - 23:56

SYD

SDF

28h 41m

2 stops

$1,880Delta

Sat, 25 Jul - Sat, 8 Aug

09:21 - 07:30

SDF

SYD

32h 09m

1 stop

13:15 - 19:48

SYD

SDF

44h 33m

2 stops

$1,891Multiple Airlines

Wed, 29 Jul - Sun, 9 Aug

09:21 - 07:30

SDF

SYD

32h 09m

1 stop

13:15 - 19:26

SYD

SDF

44h 11m

2 stops

$1,906Multiple Airlines

Wed, 29 Jul - Fri, 7 Aug

Delta flights from Louisville to Sydney

Our best Delta deals on Louisville to Sydney flight tickets

Delta

28 July

SDF10:00Louisville Intl

30h 50m

2 stops

SYD06:50Sydney Kingsford Smith

5 Aug

SYD09:15Sydney Kingsford Smith

23h 56m

2 stops

SDF19:11Louisville Intl

$1,792

Delta

31 July

SDF13:02Louisville Intl

27h 48m

2 stops

SYD06:50Sydney Kingsford Smith

10 Aug

SYD09:15Sydney Kingsford Smith

24h 15m

2 stops

SDF19:30Louisville Intl

$1,858

Delta

25 July

SDF16:28Louisville Intl

48h 22m

2 stops

SYD06:50Sydney Kingsford Smith

8 Aug

SYD09:15Sydney Kingsford Smith

28h 41m

2 stops

SDF23:56Louisville Intl

$1,880

Qantas Airways flights from Louisville to Sydney

Our best Qantas Airways deals on Louisville to Sydney flight tickets

Qantas Airways

26 Aug

SDF19:03Louisville Intl

21h 52m

1 stop

SYD06:55Sydney Kingsford Smith

5 Sept

SYD12:00Sydney Kingsford Smith

24h 17m

1 stop

SDF22:17Louisville Intl

$2,648

Qantas Airways

26 Aug

SDF16:01Louisville Intl

25h 04m

2 stops

SYD07:05Sydney Kingsford Smith

5 Sept

SYD12:00Sydney Kingsford Smith

24h 17m

1 stop

SDF22:17Louisville Intl

$2,707

Qantas Airways

24 May

SDF08:00Louisville Intl

32h 25m

1 stop

SYD06:25Sydney Kingsford Smith

27 May

SYD12:00Sydney Kingsford Smith

19h 32m

1 stop

SDF17:32Louisville Intl

$4,050

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

14:10-06:55

2 stops26h 45m

Sydney Kingsford Smith

Wed 17/6

09:30-19:00

2 stops23h 30m

$1,608

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 26/7

15:41-07:00

2 stops25h 19m

Sydney Kingsford Smith

Sun 9/8

09:30-20:23

2 stops24h 53m

$1,610

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 28/7

15:25-06:55

2 stops25h 30m

Sydney Kingsford Smith

Fri 7/8

10:20-20:23

2 stops24h 03m

$1,674

Fastest return journey

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 25/7

15:41-06:55

2 stops25h 14m

Sydney Kingsford Smith

Mon 10/8

09:30-19:01

2 stops23h 31m

$1,676

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 25/7

08:00-06:55

2 stops32h 55m

Sydney Kingsford Smith

Thu 6/8

10:20-14:28

2 stops42h 08m

$1,757

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 28/7

10:00-06:50

2 stops30h 50m

Sydney Kingsford Smith

Wed 5/8

09:15-19:11

2 stops23h 56m

$1,792

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 31/7

13:02-06:50

2 stops27h 48m

Sydney Kingsford Smith

Mon 10/8

09:15-19:30

2 stops24h 15m

$1,858

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 25/7

16:28-06:50

2 stops48h 22m

Sydney Kingsford Smith

Sat 8/8

09:15-23:56

2 stops28h 41m

$1,880

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 29/7

09:21-07:30

1 stop32h 09m

Sydney Kingsford Smith

Sun 9/8

13:15-19:48

2 stops44h 33m

$1,891

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 29/7

09:21-07:30

1 stop32h 09m

Sydney Kingsford Smith

Fri 7/8

13:15-19:26

2 stops44h 11m

$1,906

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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 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 $1,611.

Can stopping save me money on Louisville to Sydney flights?

You could potentially save up to 4% 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 25m
Direct flights	None

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

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 25m.
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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Lithgow

Manly

Coogee

Leura

Bondi Beach

Cronulla

Randwick

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.