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$440+ 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 4/5. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Apr 9 — Apr 161
Thu 4/9
Thu 4/16
1 adult, Economy
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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 March 10, 2026.

This Air Canada deal was found by Cheapflights users on 3/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/208:20 am
BNA
-
MEL
2 stops35h 45m
Multiple Airlines
Mon 5/258:50 pm
MEL
-
BNA
2 stops38h 00m
Multiple Airlines
Deal found 3/6$902
This Air Canada deal was found by Cheapflights users on 3/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/96:45 pm
BNA
-
MEL
3 stops49h 20m
Multiple Airlines
Wed 5/138:50 pm
MEL
-
BNA
2 stops38h 00m
Multiple Airlines
Deal found 3/9$910
This Air Canada deal was found by Cheapflights users on 3/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/31:55 pm
CVG
-
SYD
2 stops51h 25m
Air Canada
Tue 5/129:20 am
SYD
-
CVG
2 stops41h 53m
Air Canada
Deal found 3/9$921
This Air Canada deal was found by Cheapflights users on 3/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/206:45 pm
BNA
-
MEL
3 stops49h 20m
Air Canada
Mon 5/258:30 pm
MEL
-
BNA
3 stops52h 04m
Air Canada
Deal found 3/6$924
This Air Canada deal was found by Cheapflights users on 3/9. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/31:55 pm
CVG
-
SYD
3 stops51h 25m
Air Canada
Wed 5/139:20 am
SYD
-
CVG
2 stops41h 53m
Air Canada
Deal found 3/9$929
This BusinessClass deal was found by Cheapflights users on 3/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/288:20 am
BNA
-
BNE
1 stop31h 45m
Singapore Airlines
Tue 7/710:00 am
BNE
-
BNA
1 stop24h 45m
Singapore Airlines
Deal found 3/6$931
This Expedia deal was found by Cheapflights users on 3/7. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/82:15 pm
CVG
-
BNE
2 stops26h 50m
Air Canada
Tue 9/1510:00 am
BNE
-
CVG
2 stops24h 30m
Air Canada
Deal found 3/7$932
This Air Canada deal was found by Cheapflights users on 3/6. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/168:15 am
BNA
-
BNE
2 stops31h 50m
Air Canada
Mon 5/2510:00 am
BNE
-
BNA
2 stops38h 34m
Air Canada
Deal found 3/6$934
This Expedia deal was found by Cheapflights users on 3/8. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/316:35 pm
BNA
-
BNE
2 stops45h 30m
Air Canada
Wed 9/3010:00 am
BNE
-
BNA
2 stops25h 54m
Air Canada
Deal found 3/8$937
This BusinessClass deal was found by Cheapflights users on 3/8. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/239:00 am
CVG
-
SYD
1 stop32h 20m
Multiple Airlines
Mon 7/209:20 am
SYD
-
CVG
2 stops44h 34m
Multiple Airlines
Deal found 3/8$938
This BusinessClass deal was found by Cheapflights users on 3/6. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 6/288:20 am
BNA
-
BNE
1 stop31h 45m
Multiple Airlines
Tue 7/710:00 am
BNE
-
BNA
2 stops46h 43m
Multiple Airlines
Deal found 3/6$940
This Air Canada deal was found by Cheapflights users on 3/5. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:55 pm
CVG
-
SYD
2 stops27h 25m
Air Canada
Fri 5/229:20 am
SYD
-
CVG
2 stops41h 53m
Air Canada
Deal found 3/5$958

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 March 10, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$902
(Air Canada)

One-way from

$440
(Expedia)

Popular in

March

Cheapest in

November

Average price

$2,055
Provider with most accurate pricing for Louisville Intl-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Louisville Intl-Sydney Kingsford Smith flights.
Search Deals
From Kentucky to Australia
Search Deals
One-way flight from Kentucky to Australia
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($201 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

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 March 10, 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

Wed 5/20

8:20 am-11:05 am

2 stops35h 45m

Melbourne

Mon 5/25

8:50 pm-7:50 pm

2 stops38h 00m

$902

NashvilleBrisbane

BNA - BNE

BNABNE

Nashville Intl

Tue 6/23

10:05 am-7:05 am

2 stops30h 00m

Brisbane

Fri 7/3

10:00 am-5:43 pm

2 stops46h 43m

$985

CincinnatiBrisbane

CVG - BNE

CVGBNE

Cincinnati Cinci./N. Kentucky

Mon 4/20

5:05 pm-7:05 am

2 stops48h 00m

Brisbane

Mon 4/27

10:00 am-4:23 pm

2 stops44h 23m

$992

NashvilleMelbourne

BNA - MEL

BNAMEL

Nashville Intl

Sat 4/25

12:50 pm-8:15 am

2 stops28h 25m

Melbourne

Wed 4/29

10:55 am-4:31 pm

1 stop20h 36m

$1,006

NashvilleMelbourne

BNA - MEL

BNAMEL

Nashville Intl

Wed 5/20

1:00 pm-8:15 am

2 stops28h 15m

Melbourne

Mon 5/25

10:55 am-10:46 pm

1 stop26h 51m

$1,006

NashvilleMelbourne

BNA - MEL

BNAMEL

Nashville Intl

Sun 6/7

4:59 pm-8:15 am

1 stop24h 16m

Melbourne

Sun 6/14

9:30 am-9:13 pm

2 stops26h 43m

$1,010

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Tue 4/21

10:00 am-12:00 pm

3 stops36h 00m

Melbourne

Tue 4/28

1:25 pm-11:20 pm

3 stops47h 55m

$1,057

CincinnatiBrisbane

CVG - BNE

CVGBNE

Cincinnati Cinci./N. Kentucky

Sat 5/2

1:55 pm-7:05 am

2 stops51h 10m

Brisbane

Wed 5/6

10:00 am-8:30 pm

2 stops48h 30m

$1,098

CincinnatiBrisbane

CVG - BNE

CVGBNE

Cincinnati Cinci./N. Kentucky

Sat 5/9

1:55 pm-7:05 am

2 stops51h 10m

Brisbane

Sat 5/16

7:25 pm-9:23 pm

3 stops39h 58m

$1,110
Quickest round-trip

NashvilleBrisbane

BNA - BNE

BNABNE

Nashville Intl

Mon 6/29

4:59 pm-6:30 am

1 stop22h 31m

Brisbane

Tue 7/7

10:30 am-3:53 pm

1 stop20h 23m

$1,114

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/5

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, May is the cheapest month in which you can book a flight from Kentucky to Australia (average of $748). Flying from Kentucky to Australia in April is currently the most expensive (average of $1,375). 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 $1,006, EVA Air can have you in Australia from Kentucky in 28h 25m. Kentucky and Australia are separated by a distance of 9618 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, May is the cheapest month in which you can book a flight from Kentucky to Australia (average of $748). Flying from Kentucky to Australia in April is currently the most expensive (average of $1,375). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 March 10, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$933Average$1,428FlexibilityNo cancel feeOn-time69%
DeltaCheapest$985Average$1,424FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,260Average$1,614FlexibilityNo cancel feeOn-time71%

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