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$726+ Cheap flights from Australia to Louisville (SDF)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SDF
Jun 10 — Jun 171
Wed 6/10
Wed 6/17
1 adult, Economy
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Cheap flight deals from Australia to Louisville

Cheapest flights from Australia to Louisville
Explore the most affordable flight options available from Australia to Louisville. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 11, 2026.

This Delta deal was found by Cheapflights users on 5/9. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:15 am
SYD
-
SDF
2 stops38h 44m
Delta
Sun 6/77:49 am
SDF
-
SYD
2 stops33h 01m
Delta
Deal found 5/9$1,093
This American Airlines deal was found by Cheapflights users on 5/9. 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.
Sun 5/3112:00 pm
SYD
-
SDF
1 stop19h 32m
American Airlines
Sun 6/76:02 pm
SDF
-
SYD
1 stop22h 53m
American Airlines
Deal found 5/9$1,161
This Flysmarter deal was found by Cheapflights users on 5/9. 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 Flysmarter is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/319:30 am
SYD
-
SDF
2 stops24h 53m
Air Canada
Sun 6/78:00 am
SDF
-
SYD
3 stops33h 00m
Air Canada
Deal found 5/9$1,416
This Delta deal was found by Cheapflights users on 5/8. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/119:15 am
SYD
-
SDF
2 stops37h 42m
Delta
Thu 6/2512:38 pm
SDF
-
SYD
2 stops28h 12m
Delta
Deal found 5/8$1,555
This United Airlines deal was found by Cheapflights users on 5/9. 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 6/2310:55 am
MEL
-
SDF
2 stops27h 01m
United Airlines
Tue 6/303:25 pm
SDF
-
MEL
2 stops26h 50m
United Airlines
Deal found 5/9$1,977
This American Airlines deal was found by Cheapflights users on 5/6. 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 6/1812:00 pm
SYD
-
SDF
1 stop21h 00m
American Airlines
Thu 6/253:52 pm
SDF
-
SYD
2 stops25h 13m
American Airlines
Deal found 5/6$1,985
This American Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 8/59:45 am
MEL
-
SDF
2 stops41h 04m
American Airlines
Sun 8/97:30 pm
SDF
-
MEL
1 stop43h 30m
American Airlines
Deal found 5/8$2,008
This American Airlines deal was found by Cheapflights users on 5/7. 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.
Wed 8/129:10 am
SYD
-
SDF
2 stops39h 29m
American Airlines
Sat 8/154:01 pm
SDF
-
SYD
1 stop24h 54m
American Airlines
Deal found 5/7$2,011
This Bravofly deal was found by Cheapflights users on 5/6. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/1812:00 pm
SYD
-
SDF
1 stop19h 32m
Qantas Airways
Thu 6/257:48 pm
SDF
-
SYD
1 stop21h 07m
Qantas Airways
Deal found 5/6$2,074
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 8/510:55 am
MEL
-
SDF
2 stops27h 04m
United Airlines
Sun 8/92:10 pm
SDF
-
MEL
2 stops28h 05m
United Airlines
Deal found 5/8$2,085
This United Airlines deal was found by Cheapflights users on 5/8. 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.
Wed 6/39:30 am
SYD
-
SDF
2 stops24h 53m
United Airlines
Sun 6/72:10 pm
SDF
-
SYD
2 stops26h 50m
United Airlines
Deal found 5/8$2,093
This United Airlines deal was found by Cheapflights users on 5/7. 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.
Sat 5/2310:55 am
MEL
-
SDF
2 stops25h 19m
United Airlines
Wed 5/273:30 pm
SDF
-
MEL
2 stops26h 00m
United Airlines
Deal found 5/7$2,142

Find flight deals from Australia to Louisville

Keep the following information in mind while searching for Australia to Louisville flight deals. Data was last updated May 11, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,093
(Delta)

One-way from

$726
(Qantas Airways)

Popular in

March

Cheapest in

May

Average price

$654
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 Australia to Louisville Intl
Search Deals
One-way flight from Australia to Louisville Intl
Search Deals
Highest demand for flights based on searches. 28% potential increase in price ($496 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 7% potential price decrease ($81 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia 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 May 11, 2026.
Use the filters below to find and compare flights from Australia 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

Sun 5/31

9:15 am-9:59 am

2 stops38h 44m

Louisville Intl

Sun 6/7

7:49 am-6:50 am

2 stops33h 01m

$1,093

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Sun 5/31

12:00 pm-11:19 pm

1 stop25h 19m

Louisville Intl

Sun 6/7

7:48 pm-9:45 am

2 stops47h 57m

$1,177

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Sun 5/31

9:30 am-8:23 pm

2 stops24h 53m

Louisville Intl

Sun 6/7

8:00 am-7:00 am

3 stops33h 00m

$1,416

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Thu 6/11

9:15 am-8:57 am

2 stops37h 42m

Louisville Intl

Thu 6/25

12:38 pm-6:50 am

2 stops28h 12m

$1,555

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Thu 6/18

12:00 pm-7:00 pm

1 stop21h 00m

Louisville Intl

Thu 6/25

3:52 pm-7:05 am

2 stops25h 13m

$1,985

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Wed 8/5

9:45 am-12:49 pm

2 stops41h 04m

Louisville Intl

Sun 8/9

7:30 pm-5:00 am

1 stop43h 30m

$2,008

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Wed 8/12

9:10 am-10:39 am

2 stops39h 29m

Louisville Intl

Sat 8/15

4:01 pm-6:55 am

1 stop24h 54m

$2,011
Quickest round-trip

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Thu 6/18

12:00 pm-5:32 pm

1 stop19h 32m

Louisville Intl

Thu 6/25

7:48 pm-6:55 am

1 stop21h 07m

$2,074

MelbourneLouisville

MEL - SDF

MELSDF

Melbourne

Wed 8/5

10:55 am-11:59 pm

2 stops27h 04m

Louisville Intl

Sun 8/9

2:10 pm-8:15 am

2 stops28h 05m

$2,085

SydneyLouisville

SYD - SDF

SYDSDF

Sydney Kingsford Smith

Wed 6/3

9:30 am-8:23 pm

2 stops24h 53m

Louisville Intl

Sun 6/7

2:10 pm-7:00 am

2 stops26h 50m

$2,093

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/6

Showing 1-10 of 21 resultsSorted by cheapest first
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Best time to book a flight from Australia to Louisville

Have a flexible travel schedule? Discover the best time to fly to Louisville from Australia 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.

Cheapflights Insights

Everything you need to know about your flight from Australia to Louisville

What is the cheapest month to book a flight from Australia to Louisville?

Currently, June is the cheapest month in which you can book a flight from Australia to Louisville (average of $728). Flying from Australia to Louisville in March is currently the most expensive (average of $1,247). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

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

  • What airport do you fly into for flights to Louisville from Australia?

    Louisville Intl (SDF), located 5.3 mi from the city center, is the airport you fly into when you book flights from Australia to Louisville.

  • How long is the flight from Australia to Louisville?

    For as low as $1,416, Delta can have you in Louisville from Australia in 24h 53m. Australia 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.

  • What are the most popular routes from Australia to Louisville?

    The most popular flight routes from Australia to Louisville are Sydney Kingsford Smith - Louisville Intl, Adelaide - Louisville Intl and Melbourne - Louisville Intl.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Australia 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.

  • What is the cheapest month to book a flight from Australia to Louisville?

    Currently, June is the cheapest month in which you can book a flight from Australia to Louisville (average of $728). Flying from Australia to Louisville in March is currently the most expensive (average of $1,247). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Louisville?

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

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Alternative routes for Australia to Louisville

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