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$492+ 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 5/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
May 14 — May 211
Thu 5/14
Thu 5/21
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 April 14, 2026.

This Air Canada deal was found by Cheapflights users on 4/9. 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.
Tue 5/51:55 pm
CVG
-
SYD
2 stops51h 25m
Air Canada
Wed 5/139:20 am
SYD
-
CVG
2 stops25h 10m
Air Canada
Deal found 4/9$1,083
This Air Canada deal was found by Cheapflights users on 4/9. 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.
Tue 5/51:55 pm
CVG
-
SYD
2 stops27h 25m
Air Canada
Sat 5/309:20 am
SYD
-
CVG
2 stops41h 53m
Air Canada
Deal found 4/9$1,087
This Air Canada deal was found by Cheapflights users on 4/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/11:55 pm
CVG
-
SYD
2 stops51h 25m
Air Canada
Mon 6/159:20 am
SYD
-
CVG
2 stops41h 53m
Air Canada
Deal found 4/10$1,089
This Air Canada deal was found by Cheapflights users on 4/9. 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.
Thu 4/305:05 pm
CVG
-
SYD
2 stops48h 15m
Air Canada
Thu 5/79:20 am
SYD
-
CVG
2 stops41h 53m
Air Canada
Deal found 4/9$1,092
This Air Canada deal was found by Cheapflights users on 4/10. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/219:00 am
CVG
-
SYD
2 stops32h 20m
Air Canada
Thu 6/189:20 am
SYD
-
CVG
2 stops44h 34m
Air Canada
Deal found 4/10$1,094
This Air Canada deal was found by Cheapflights users on 4/9. 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.
Mon 9/149:00 am
CVG
-
MEL
3 stops36h 25m
Multiple Airlines
Mon 9/288:50 pm
MEL
-
CVG
3 stops38h 33m
Multiple Airlines
Deal found 4/9$1,132
This Air Canada deal was found by Cheapflights users on 4/13. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/139:00 am
CVG
-
MEL
3 stops36h 20m
Multiple Airlines
Wed 5/208:50 pm
MEL
-
CVG
3 stops38h 33m
Multiple Airlines
Deal found 4/13$1,136
This Air Canada deal was found by Cheapflights users on 4/9. 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.
Thu 9/179:00 am
CVG
-
MEL
3 stops36h 35m
Multiple Airlines
Wed 9/238:50 pm
MEL
-
CVG
3 stops38h 33m
Multiple Airlines
Deal found 4/9$1,138
This Air Canada deal was found by Cheapflights users on 4/12. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/129:00 am
CVG
-
MEL
3 stops36h 25m
Multiple Airlines
Tue 6/166:00 am
MEL
-
CVG
3 stops45h 13m
Multiple Airlines
Deal found 4/12$1,139
This Priceline deal was found by Cheapflights users on 4/11. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 7/109:00 am
CVG
-
MEL
3 stops36h 05m
Air Canada
Fri 7/316:00 am
MEL
-
CVG
3 stops45h 14m
Air Canada
Deal found 4/11$1,142
This Air Canada deal was found by Cheapflights users on 4/9. 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.
Mon 5/49:00 am
CVG
-
MEL
3 stops36h 20m
Multiple Airlines
Mon 5/188:50 pm
MEL
-
CVG
3 stops38h 33m
Multiple Airlines
Deal found 4/9$1,143
This Air Canada deal was found by Cheapflights users on 4/9. 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 7/266:35 pm
BNA
-
MEL
3 stops49h 30m
Multiple Airlines
Wed 8/58:50 pm
MEL
-
BNA
2 stops38h 00m
Multiple Airlines
Deal found 4/9$1,185

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 April 14, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,083
(Air Canada)

One-way from

$492
(Air Canada)

Popular in

March

Cheapest in

August

Average price

$1,584
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 ($195 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($50 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 14, 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

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Thu 4/30

5:05 pm-7:20 am

2 stops48h 15m

Sydney Kingsford Smith

Thu 5/7

9:20 am-1:13 pm

2 stops41h 53m

$1,092

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Mon 5/11

1:55 pm-7:20 am

3 stops51h 25m

Sydney Kingsford Smith

Mon 5/18

9:20 am-8:30 pm

2 stops25h 10m

$1,093

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Tue 5/5

1:55 pm-7:20 am

3 stops51h 25m

Sydney Kingsford Smith

Wed 5/13

9:20 am-8:30 pm

2 stops25h 10m

$1,093

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Tue 5/12

1:55 pm-7:20 am

2 stops27h 25m

Sydney Kingsford Smith

Tue 5/26

9:20 am-8:30 pm

3 stops49h 10m

$1,093

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Thu 7/2

1:55 pm-7:20 am

3 stops51h 25m

Sydney Kingsford Smith

Fri 7/10

9:20 am-8:30 pm

2 stops25h 10m

$1,096

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Fri 6/12

9:00 am-11:25 am

3 stops36h 25m

Melbourne

Tue 6/16

6:00 am-1:13 pm

3 stops45h 13m

$1,139

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Fri 7/10

9:00 am-11:05 am

3 stops36h 05m

Melbourne

Fri 7/31

6:00 am-1:14 pm

3 stops45h 14m

$1,142

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Mon 5/4

9:00 am-11:20 am

3 stops36h 20m

Melbourne

Mon 5/18

8:50 pm-9:23 pm

3 stops38h 33m

$1,143

NashvilleMelbourne

BNA - AVV

BNAAVV

Nashville Intl

Fri 5/1

8:20 am-2:20 pm

2 stops39h 00m

Melbourne Avalon

Fri 5/8

4:40 pm-7:50 pm

2 stops42h 10m

$1,286

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sun 4/26

5:23 pm-6:55 am

1 stop23h 32m

Sydney Kingsford Smith

Sun 5/10

12:00 pm-8:10 pm

1 stop22h 10m

$1,315

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/12

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, 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 September is currently the most expensive (average of $1,285). 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 $1,587, Air Canada can have you in Australia from Kentucky in 22h 43m. Kentucky and Australia are separated by a distance of 9203 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 September is currently the most expensive (average of $1,285). 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 April 14, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$933Average$1,421FlexibilityNo cancel feeOn-time69%
DeltaCheapest$985Average$1,351FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,260Average$1,606FlexibilityNo cancel feeOn-time71%

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