Australia

$561+ Cheap flights from Kentucky to Australia

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 11/19. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Jul 17 — Jul 241
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Cheap flight deals from Kentucky to Australia

Cheapest flights from Kentucky to Australia
Explore the most affordable flight options available from Kentucky to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on June 17, 2026.

This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/84:13 pm
BNA
-
SYD
1 stop23h 47m
Qantas Airways
Wed 12/235:50 pm
SYD
-
BNA
2 stops39h 40m
Qantas Airways
Deal found 6/12$991
This oojo deal was found by Cheapflights users on 6/12. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/14:40 pm
BNA
-
SYD
1 stop23h 20m
Qantas Airways
Wed 2/245:50 pm
SYD
-
BNA
2 stops39h 45m
Qantas Airways
Deal found 6/12$1,066
This American Airlines deal was found by Cheapflights users on 6/14. 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 7/291:48 pm
CVG
-
MEL
2 stops25h 12m
American Airlines
Wed 8/51:35 pm
MEL
-
CVG
1 stop23h 47m
American Airlines
Deal found 6/14$1,077
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Mon 7/64:36 pm
BNA
-
MEL
1 stop21h 24m
American Airlines
Mon 7/279:45 am
MEL
-
BNA
1 stop22h 09m
American Airlines
Deal found 6/15$1,079
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/74:13 pm
BNA
-
SYD
1 stop23h 47m
Qantas Airways
Mon 12/217:15 pm
SYD
-
BNA
2 stops38h 15m
Qantas Airways
Deal found 6/12$1,081
This American Airlines deal was found by Cheapflights users on 6/14. 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.
Sat 8/812:40 pm
BNA
-
MEL
2 stops27h 05m
American Airlines
Sat 8/229:45 am
MEL
-
BNA
1 stop22h 14m
American Airlines
Deal found 6/14$1,084
This American Airlines deal was found by Cheapflights users on 6/15. 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.
Sat 6/2011:06 am
LEX
-
MEL
2 stops27h 54m
American Airlines
Tue 6/309:45 am
MEL
-
LEX
2 stops26h 47m
American Airlines
Deal found 6/15$1,084
This United Airlines deal was found by Cheapflights users on 6/12. 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 8/212:54 pm
BNA
-
MEL
1 stop26h 21m
United Airlines
Tue 9/110:55 am
MEL
-
BNA
1 stop23h 03m
United Airlines
Deal found 6/12$1,090
This KAYAK deal was found by Cheapflights users on 6/13. 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 6/243:25 pm
SDF
-
MEL
2 stops26h 05m
Air New Zealand
Wed 7/89:30 am
MEL
-
SDF
2 stops27h 29m
Air New Zealand
Deal found 6/13$1,094
This United Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 7/275:00 pm
CVG
-
MEL
2 stops25h 15m
United Airlines
Mon 8/310:55 am
MEL
-
CVG
2 stops36h 33m
United Airlines
Deal found 6/12$1,095
This United Airlines deal was found by Cheapflights users on 6/16. 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 6/248:00 am
SDF
-
MEL
2 stops34h 15m
United Airlines
Wed 7/89:30 am
MEL
-
SDF
2 stops27h 29m
United Airlines
Deal found 6/16$1,095
This Delta deal was found by Cheapflights users on 6/14. 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 11/53:00 pm
BNA
-
MEL
1 stop25h 50m
Delta
Thu 11/1212:00 pm
MEL
-
BNA
1 stop28h 40m
Delta
Deal found 6/14$1,098

Find flight deals from Kentucky to Australia

Keep the following information in mind while searching for Kentucky to Australia flight deals. Data was last updated June 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$991
(oojo)

One-way from

$561
(oojo)

Popular in

January

Cheapest in

February

Average price

$1,260
Provider with most accurate pricing for Louisville Intl-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-Sydney Kingsford Smith flights.
From Kentucky to Australia
One-way flight from Kentucky to Australia
Highest demand for flights based on searches. 23% potential increase in price ($461 potential increase over avg. RT price).
Cheapest flight prices on average. 9% potential price decrease ($135 potential savings vs. average RT price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to Australia 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 June 17, 2026.
Use the filters below to find and compare flights from Kentucky to Australia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleMelbourne

BNA - MEL

BNAMEL

Nashville Intl

Fri 8/14

2:54 pm-8:15 am

1 stop26h 21m

Melbourne

Tue 9/1

10:55 am-6:58 pm

1 stop23h 03m

$1,090

NashvilleMelbourne

BNA - MEL

BNAMEL

Nashville Intl

Fri 8/21

12:37 pm-7:30 am

2 stops27h 53m

Melbourne

Tue 9/1

10:55 am-6:58 pm

1 stop23h 03m

$1,095

LexingtonMelbourne

LEX - MEL

LEXMEL

Lexington Blue Grass

Sat 8/15

7:00 am-8:15 am

2 stops35h 15m

Melbourne

Sun 8/23

10:55 am-11:55 pm

2 stops27h 00m

$1,095

NashvilleMelbourne

BNA - MEL

BNAMEL

Nashville Intl

Thu 11/5

1:25 pm-9:50 am

2 stops27h 25m

Melbourne

Thu 11/12

12:00 pm-11:40 pm

1 stop28h 40m

$1,102

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Tue 11/3

8:15 am-9:50 am

2 stops33h 35m

Melbourne

Tue 12/1

12:00 pm-7:36 pm

2 stops23h 36m

$1,102

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Tue 11/3

4:40 pm-9:50 am

2 stops25h 10m

Melbourne

Sat 11/21

12:00 pm-8:54 am

2 stops36h 54m

$1,102

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Thu 11/5

12:00 pm-9:50 am

2 stops29h 50m

Melbourne

Wed 11/25

12:00 pm-11:55 pm

2 stops27h 55m

$1,102

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Wed 7/29

11:03 am-7:50 am

2 stops30h 47m

Melbourne

Wed 8/5

10:00 am-12:25 am

2 stops28h 25m

$1,102

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Thu 11/5

2:45 pm-9:50 am

2 stops27h 05m

Melbourne

Mon 11/23

12:00 pm-11:55 pm

2 stops27h 55m

$1,102

LexingtonMelbourne

LEX - MEL

LEXMEL

Lexington Blue Grass

Mon 7/27

1:55 pm-8:15 am

2 stops28h 20m

Melbourne

Mon 8/3

10:55 am-10:25 pm

2 stops49h 30m

$1,110

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/12

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from Kentucky to Australia

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

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

Currently, December is the cheapest month in which you can book a flight from Kentucky to Australia (average of $662). Flying from Kentucky to Australia in September is currently the most expensive (average of $1,273). 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 Kentucky to Australia. 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 Kentucky to Australia?

    For as low as $1,077, American Airlines can have you in Australia from Kentucky in 25h 12m. Kentucky and Australia are separated by a distance of 9780 mi. This flight may include one or multiple stops.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Kentucky to Australia 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 Kentucky to Australia?

    Currently, December is the cheapest month in which you can book a flight from Kentucky to Australia (average of $662). Flying from Kentucky to Australia in September is currently the most expensive (average of $1,273). 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

Browse thousands of different options on Cheapflights for your next trip

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Top 3 airlines flying from Kentucky to Australia

Discover the top 3 airlines that operate flights from Kentucky to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated June 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$662Average$1,338FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$933Average$1,358FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,494Average$1,562FlexibilityNo cancel feeOn-time71%

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