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$1,084+ Cheap flights from Sydney (SYD) to Louisville (SDF)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/13. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SDF
Aug 24 — Aug 311
Mon 8/24
Mon 8/31
1 adult, Economy
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Cheap flight deals from Sydney to Louisville

Cheapest flights from Sydney to Louisville
Explore the most affordable flight options available from Sydney to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on July 25, 2026.

This American Airlines deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/139:10 am
SYD
-
SDF
2 stops26h 15m
American Airlines
Mon 8/171:19 pm
SDF
-
SYD
2 stops27h 46m
American Airlines
Deal found 7/20$1,084
This United Airlines deal was found by Cheapflights users on 7/23. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1310:20 am
SYD
-
SDF
2 stops24h 16m
United Airlines
Mon 8/173:25 pm
SDF
-
SYD
2 stops25h 30m
United Airlines
Deal found 7/23$1,101
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/2910:20 am
SYD
-
SDF
2 stops23h 35m
United Airlines
Tue 10/68:00 am
SDF
-
SYD
2 stops32h 55m
United Airlines
Deal found 7/24$1,115
This Qantas Airways deal was found by Cheapflights users on 7/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/1312:00 pm
SYD
-
SDF
1 stop19h 23m
Qantas Airways
Mon 8/177:03 pm
SDF
-
SYD
1 stop21h 52m
Qantas Airways
Deal found 7/20$1,131
This United Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:30 am
SYD
-
SDF
2 stops26h 40m
United Airlines
Sat 10/103:36 pm
SDF
-
SYD
2 stops25h 19m
United Airlines
Deal found 7/24$1,150
This American Airlines deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:10 am
SYD
-
SDF
2 stops23h 40m
American Airlines
Tue 10/64:18 pm
SDF
-
SYD
2 stops24h 47m
American Airlines
Deal found 7/24$1,153
This KAYAK deal was found by Cheapflights users on 7/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/112:00 pm
SYD
-
SDF
1 stop19h 19m
Qantas Airways
Thu 10/88:18 pm
SDF
-
SYD
2 stops44h 47m
Qantas Airways
Deal found 7/24$1,155

Find flight deals from Sydney to Louisville

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Louisville (SDF). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated July 25, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,084
(American Airlines)

Popular in

September

Cheapest in

May
Provider with most accurate pricing for Sydney Kingsford Smith-Louisville Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Louisville Intl flights.
Search Deals
From Sydney Kingsford Smith to Louisville Intl
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($112 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($104 potential savings vs. average RT price).
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney to Louisville that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated July 25, 2026.
Use the filters below to find and compare flights from Sydney to Louisville that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Thu 8/13

9:10 am-9:25 pm

2 stops26h 15m

Louisville Intl

Mon 8/17

1:19 pm-7:05 am

2 stops27h 46m

$1,084

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Thu 8/13

10:20 am-8:36 pm

2 stops24h 16m

Louisville Intl

Mon 8/17

3:25 pm-6:55 am

2 stops25h 30m

$1,101
Quickest round-trip

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Thu 8/13

12:00 pm-5:23 pm

1 stop19h 23m

Louisville Intl

Mon 8/17

7:03 pm-6:55 am

1 stop21h 52m

$1,131

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Fri 8/7

9:10 am-5:23 pm

2 stops22h 13m

Louisville Intl

Fri 8/14

7:03 pm-6:30 pm

2 stops57h 27m

$1,165

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Fri 10/2

9:30 am-10:10 pm

2 stops26h 40m

Louisville Intl

Sat 10/10

3:36 pm-7:55 am

2 stops25h 19m

$1,185

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Sat 10/3

9:30 am-10:32 pm

2 stops27h 02m

Louisville Intl

Sat 10/10

3:37 pm-7:55 am

2 stops25h 18m

$1,185

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Sat 10/3

10:20 am-7:55 pm

2 stops23h 35m

Louisville Intl

Wed 10/7

10:25 am-8:00 am

2 stops30h 35m

$1,422
Cheapest one-way

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Fri 1/1

6:05 am-5:31 pm

2 stops27h 26m

$1,430
Quickest one-way

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Fri 1/1

2:05 pm-7:42 pm

1 stop21h 37m

$1,700

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/25

Sorted by cheapest first
  • Most accurate provider: When it comes to deals on Sydney-Louisville flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Louisville flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Louisville flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Louisville flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-Louisville flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sydney to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Sydney with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Louisville. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Sydney to Louisville?

    There are many flights that can get you from Sydney to Louisville in 19h 23m. Fly via American Airlines, United Airlines, or Qantas Airways to get the fastest option. Sydney and Louisville are separated by a distance of 9288 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Sydney to Louisville 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

Traveling to a place near Louisville?

Book flights to Louisville if you plan to visit one of these locations
Corydon
Shepherdsville
Elizabethtown
Jeffersonville
Bardstown

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