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Cheap flights from Louisville to Sydney from $1,835

SDF — SYD
17 Sep — 24 Sep1
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

Mon 14/915:25 -
2 stops25h 30m
Mon 28/910:20 -
2 stops27h 39m
Deal found 15/8$1,835
Sun 8/1107:00 -
1 stop32h 00m
Wed 18/1109:15 -
1 stop28h 43m
Deal found 16/8$1,842
Tue 1/1215:50 -
2 stops25h 30m
Tue 8/1209:20 -
1 stop20h 13m
Deal found 18/8$1,844
Mon 14/917:59 -
1 stop22h 56m
Mon 28/912:00 -
1 stop19h 19m
Deal found 15/8$1,851
Sat 28/1115:24 -
2 stops47h 36m
Mon 7/1211:50 -
2 stops26h 07m
Deal found 18/8$1,872
Mon 9/1115:45 -
2 stops29h 05m
Sat 14/1119:25 -
2 stops42h 33m
Deal found 14/8$1,904
Fri 27/1108:00 -
2 stops33h 05m
Mon 7/1209:20 -
1 stop28h 10m
Deal found 18/8$1,914
Wed 2/1215:50 -
1 stop23h 10m
Wed 9/1209:15 -
1 stop20h 18m
Deal found 17/8$1,947
Thu 1/1013:50 -
2 stops27h 10m
Thu 8/1011:20 -
2 stops26h 12m
Deal found 17/8$1,990
Wed 16/916:25 -
1 stop24h 30m
Tue 22/912:00 -
1 stop19h 19m
Deal found 17/8$2,030

Find flight deals from Louisville to Sydney

Round-trip from

$1,768

Popular in

December

Cheapest in

August

Average price

$1,678
Air New Zealand
  • Air New Zealand
  • 9/11-14/11
  • 4 total stops
  • 76h 08m total
  • Louisville to Sydney
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($68 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($80 potential savings vs. average return price).
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Average for round-trip flights in August 2026
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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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Cheapest return flight

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 18/10

15:37-08:00

2 stops25h 23m

Sydney Kingsford Smith

Sun 25/10

10:30-22:24

2 stops26h 54m

$1,849

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 28/9

15:37-06:55

2 stops25h 18m

Sydney Kingsford Smith

Mon 5/10

11:20-23:59

2 stops27h 39m

$1,849

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 1/12

13:55-09:20

2 stops27h 25m

Sydney Kingsford Smith

Tue 8/12

11:50-19:35

2 stops23h 45m

$1,849

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 27/1

13:55-06:20

2 stops24h 25m

Sydney Kingsford Smith

Sat 13/2

11:50-21:30

2 stops25h 40m

$1,920
Fastest return journey

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 2/12

15:50-07:00

1 stop23h 10m

Sydney Kingsford Smith

Wed 9/12

09:15-13:33

1 stop20h 18m

$1,947

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 9/11

07:00-10:35

2 stops35h 35m

Sydney Kingsford Smith

Sat 14/11

11:50-22:30

3 stops26h 40m

$2,086

Flights are sorted by cheapest return flights first.

Deals found on 15/8

Sorted by cheapest first

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 25h 23m. Fly via United Airlines to get the fastest option. Louisville and Sydney are separated by a distance of 14948 km.

  • 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
Katoomba
Lithgow
Cronulla
Terrigal
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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