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$720+ 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 11/24. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — SDF
Sep 11 — Sep 181
Fri 9/11
Fri 9/18
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 August 12, 2026.

This United Airlines deal was found by Cheapflights users on 8/8. 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.
Sat 9/2610:55 am -
2 stops25h 15m
Sat 10/36:16 pm -
2 stops47h 59m
Deal found 8/8$1,277
This American Airlines deal was found by Cheapflights users on 8/7. 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 -
2 stops39h 25m
Sun 8/164:01 pm -
1 stop24h 54m
Deal found 8/7$1,465
This Justfly.com deal was found by Cheapflights users on 8/10. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/96:00 am -
2 stops29h 13m
Wed 9/164:25 pm -
2 stops30h 00m
Deal found 8/10$1,764
This KAYAK deal was found by Cheapflights users on 8/10. 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.
Wed 9/96:25 am -
2 stops24h 24m
Wed 9/1611:46 am -
3 stops31h 59m
Deal found 8/10$1,822
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Wed 8/1210:20 am -
2 stops26h 09m
Sun 8/163:25 pm -
2 stops25h 30m
Deal found 8/7$2,042
This United Airlines deal was found by Cheapflights users on 8/7. 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.
Wed 8/1210:55 am -
2 stops25h 34m
Sun 8/161:50 pm -
2 stops28h 25m
Deal found 8/7$2,046
This United Airlines deal was found by Cheapflights users on 8/10. 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.
Fri 8/149:30 am -
2 stops25h 06m
Sun 8/1610:23 am -
2 stops31h 52m
Deal found 8/10$2,105
This American Airlines deal was found by Cheapflights users on 8/7. 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 8/129:45 am -
2 stops38h 50m
Sun 8/167:30 pm -
1 stop43h 30m
Deal found 8/7$2,111
This United Airlines deal was found by Cheapflights users on 8/10. 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 9/96:00 am -
3 stops27h 25m
Wed 9/163:35 pm -
3 stops29h 00m
Deal found 8/10$2,161
This Qantas Airways deal was found by Cheapflights users on 8/8. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:35 pm -
1 stop21h 56m
Sat 10/311:46 am -
1 stop26h 14m
Deal found 8/8$2,221
This Qantas Airways deal was found by Cheapflights users on 8/7. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/1212:00 pm -
1 stop20h 18m
Sun 8/167:30 pm -
1 stop21h 25m
Deal found 8/7$2,318
This SmartFares deal was found by Cheapflights users on 8/10. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/146:50 pm -
2 stops37h 38m
Sun 8/167:30 pm -
1 stop43h 30m
Deal found 8/10$2,388

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 August 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,277
(United Airlines)

One-way from

$720
(Qantas Airways)

Popular in

September

Cheapest in

May

Average price

$1,128
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. 7% potential increase in price ($114 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
Average for round-trip flights in August 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 August 12, 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

MelbourneLouisville

MEL Melbourne - SDF Louisville Intl

MELSDF

Melbourne

Sat 9/26

10:55 am-10:10 pm

2 stops25h 15m

Louisville Intl

Sat 10/3

6:16 pm-9:15 am

2 stops47h 59m

$1,277

SydneyLouisville

SYD Sydney Kingsford Smith - SDF Louisville Intl

SYDSDF

Sydney Kingsford Smith

Tue 1/26

11:20 am-9:32 am

2 stops38h 12m

Louisville Intl

Sat 1/30

4:14 pm-6:55 am

1 stop22h 41m

$1,448

AdelaideLouisville

ADL Adelaide - SDF Louisville Intl

ADLSDF

Adelaide

Wed 9/9

6:25 am-5:19 pm

2 stops24h 24m

Louisville Intl

Wed 9/16

11:46 am-9:15 am

3 stops31h 59m

$1,822

MelbourneLouisville

MEL Melbourne - SDF Louisville Intl

MELSDF

Melbourne

Thu 2/4

11:30 am-9:30 pm

2 stops26h 00m

Louisville Intl

Sun 2/7

3:20 pm-9:30 am

2 stops26h 10m

$2,049

MelbourneLouisville

MEL Melbourne - SDF Louisville Intl

MELSDF

Melbourne

Thu 2/4

12:00 pm-9:17 pm

1 stop25h 17m

Louisville Intl

Sun 2/7

6:29 am-5:00 am

2 stops30h 31m

$2,089

SydneyLouisville

SYD Sydney Kingsford Smith - SDF Louisville Intl

SYDSDF

Sydney Kingsford Smith

Tue 1/26

9:20 am-7:35 pm

1 stop26h 15m

Louisville Intl

Sat 1/30

3:50 pm-7:00 am

1 stop23h 10m

$2,097

AdelaideLouisville

ADL Adelaide - SDF Louisville Intl

ADLSDF

Adelaide

Wed 9/9

6:00 am-7:55 pm

3 stops27h 25m

Louisville Intl

Wed 9/16

3:35 pm-10:05 am

3 stops29h 00m

$2,161
Quickest round-trip

MelbourneLouisville

MEL Melbourne - SDF Louisville Intl

MELSDF

Melbourne

Sat 9/26

1:35 pm-9:31 pm

1 stop21h 56m

Louisville Intl

Sat 10/3

11:46 am-4:00 am

1 stop26h 14m

$2,221
Cheapest one-way

SydneyLouisville

SYD Sydney Kingsford Smith - SDF Louisville Intl

SYDSDF

Sydney Kingsford Smith

Tue 11/24

2:05 pm-9:09 pm

1 stop23h 04m

$720

SydneyLouisville

SYD Sydney Kingsford Smith - SDF Louisville Intl

SYDSDF

Sydney Kingsford Smith

Tue 11/24

11:20 am-6:13 pm

2 stops22h 53m

$721

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/9

Showing 1-10 of 13 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, February is the cheapest month in which you can book a flight from Australia to Louisville (average of $806). Flying from Australia to Louisville in March is currently the most expensive (average of $1,948). 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 $1,277, United Airlines can have you in Louisville from Australia in 25h 15m. Australia and Louisville are separated by a distance of 9709 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 Melbourne - Louisville Intl, Adelaide - Louisville Intl and Sydney Kingsford Smith - 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, February is the cheapest month in which you can book a flight from Australia to Louisville (average of $806). Flying from Australia to Louisville in March is currently the most expensive (average of $1,948). 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
Corydon
Shepherdsville
Elizabethtown
Jeffersonville

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