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Cheap flights from Louisville to Sydney from $988

SDF — SYD
27 Nov — 4 Dec1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Louisville to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Louisville to Sydney

Thu 26/1113:14 -
2 stops27h 46m
Wed 2/1221:25 -
2 stops27h 57m
Deal found 25/10$1,777
Thu 26/1107:00 -
1 stop32h 00m
Wed 2/1211:50 -
2 stops27h 59m
Deal found 25/10$1,784
Sat 21/1115:24 -
2 stops49h 56m
Sat 28/1109:10 -
1 stop28h 48m
Deal found 24/10$1,807
Sun 22/1117:22 -
1 stop21h 33m
Sun 29/1106:05 -
2 stops25h 57m
Deal found 23/10$1,902
Tue 1/1218:48 -
2 stops24h 17m
Tue 8/1214:05 -
1 stop22h 55m
Deal found 28/10$1,907
Sat 21/1118:48 -
2 stops43h 37m
Sat 28/1117:25 -
2 stops38h 37m
Deal found 24/10$1,954
Tue 1/1215:35 -
1 stop23h 25m
Tue 8/1209:15 -
1 stop20h 23m
Deal found 28/10$2,060
Wed 11/1109:10 -
1 stop29h 50m
Mon 30/1109:15 -
1 stop28h 43m
Deal found 25/10$2,170

Find flight deals from Louisville to Sydney

Round-trip from

$1,752

One-way from

$988

Popular in

December

Cheapest in

August

Average price

$2,254
1/2-13/2
  • 1/2-13/2
  • 3 total stops
  • 44h 13m total
  • Louisville to Sydney
Search Deals
Qantas Airways
  • Qantas Airways
  • 10/11-31/12
  • 2 total stops
  • 23h 34m total
  • Louisville to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($323 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($62 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2026
Search Deals

Cheapflights Fare Finder

 
Use the filters below to find and compare flights from Louisville to Sydney that are best for you.

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Route

Depart

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Price

Cheapest return flight

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 9/11

13:01-08:30

2 stops27h 29m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$999

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 11/11

15:45-07:00

1 stop23h 15m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$999

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Fri 13/11

15:45-09:05

2 stops25h 20m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,030

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Thu 12/11

09:02-09:05

2 stops32h 03m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,030

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Fri 5/2

10:46-06:25

3 stops27h 39m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,184
Fastest return journey

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Thu 12/11

17:26-06:55

1 stop21h 29m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,191

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Fri 5/2

07:00-07:00

1 stop32h 00m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,244

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sat 21/11

15:24-09:20

2 stops49h 56m

Sydney Kingsford Smith

Sat 28/11

09:10-21:58

1 stop28h 48m

$1,807

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Thu 26/11

15:45-07:00

1 stop23h 15m

Sydney Kingsford Smith

Wed 2/12

09:15-20:23

1 stop27h 08m

$1,807

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 22/11

17:22-06:55

1 stop21h 33m

Sydney Kingsford Smith

Sun 29/11

06:05-16:02

2 stops25h 57m

$1,902

Flights are sorted by cheapest return flights first.

Deals found on 24/10

Showing 1-10 of 17 resultsSorted by cheapest first
1
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Best time to book a flight from Louisville to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Louisville with our price prediction graph.
Estimated return price

Related info for your journey

  • How long is the flight from Louisville to Sydney?

    There are many flights that can get you from Louisville to Sydney in 21h 33m. Fly via United Airlines or Qantas Airways to get the fastest option. Louisville and Sydney are separated by a distance of 14948 km. Both multi-stop and direct flights can be found to your destination and back.

  • Can I find deals for flights from Louisville to Sydney that include hotel bookings?

    Yes. In addition to deals on Louisville to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Louisville to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Sydney.

  • Can I find deals for business class flights from Louisville to Sydney?

    Yes. Cheapflights offers flight deals from Louisville to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Manly
Cronulla
Lithgow
Terrigal
Katoomba
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Louisville to Sydney

Nashville to Sydney flights
Cincinnati to Sydney flights

Fly with Cheapflights

How does Cheapflights help users find flights from Louisville to Sydney?

Cheapflights helps you search for flights from Louisville to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Louisville to Sydney?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Louisville to Sydney for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Louisville to Sydney with no change fees?

Certainly. Search results for flights to Sydney from Louisville shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Louisville to Sydney become cheaper?

Yes, Cheapflights offers price alerts on Louisville to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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