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$558+ 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 3/19. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Kentucky to Australia

Keep the following information in mind while searching for Kentucky to Australia flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$1,035
(oojo)

One-way from

$558
(Priceline)

Popular in

December

Cheapest in

April

Average price

$1,337
Provider with most accurate pricing for Louisville Intl-Sydney Kingsford Smith flight deals.
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Provider most trusted by Cheapflights users for Louisville Intl-Sydney Kingsford Smith flights.
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From Kentucky to Australia
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One-way flight from Kentucky to Australia
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Highest demand for flights based on searches. 13% potential increase in price ($212 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find 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 October 30, 2025.

This oojo deal was found by Cheapflights users on 10/30. 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.
Thu 11/64:54 pmCVG - SYD
1 stop22h 01mQantas Airways
Sat 11/156:05 amSYD - CVG
2 stops26h 07mQantas Airways
Deal found 10/30$1,044
This Cheapflightsfares deal was found by Cheapflights users on 10/28. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/912:35 pmCVG - MEL
1 stop24h 25mQantas Airways
Sun 12/74:05 pmMEL - CVG
1 stop19h 52mQantas Airways
Deal found 10/28$1,193
This Qantas Airways deal was found by Cheapflights users on 10/28. 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.
Fri 12/512:18 pmCVG - MEL
1 stop24h 42mQantas Airways
Fri 12/266:00 amMEL - CVG
2 stops26h 05mQantas Airways
Deal found 10/28$1,196
This Qantas Airways deal was found by Cheapflights users on 10/28. 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.
Fri 12/512:18 pmCVG - MEL
1 stop24h 42mQantas Airways
Thu 12/2511:15 amMEL - CVG
2 stops48h 37mQantas Airways
Deal found 10/28$1,199
This Cheapflightsfares deal was found by Cheapflights users on 10/27. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/812:18 pmCVG - MEL
1 stop24h 42mQantas Airways
Sat 12/274:05 pmMEL - CVG
1 stop19h 47mQantas Airways
Deal found 10/27$1,202
This Qantas Airways deal was found by Cheapflights users on 10/28. 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.
Thu 12/44:53 pmCVG - MEL
1 stop44h 07mQantas Airways
Fri 12/266:00 amMEL - CVG
2 stops26h 05mQantas Airways
Deal found 10/28$1,204
This Qantas Airways deal was found by Cheapflights users on 10/28. 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.
Thu 12/44:53 pmCVG - MEL
1 stop44h 07mQantas Airways
Thu 12/257:20 pmMEL - CVG
2 stops36h 45mQantas Airways
Deal found 10/28$1,206
This Cheapflightsfares deal was found by Cheapflights users on 10/30. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/44:13 pmBNA - SYD
1 stop23h 47mQantas Airways
Wed 11/1211:20 amSYD - BNA
1 stop22h 12mQantas Airways
Deal found 10/30$1,208
This Qantas Airways deal was found by Cheapflights users on 10/29. 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.
Fri 11/2812:35 pmCVG - MEL
1 stop24h 25mMultiple Airlines
Fri 12/510:45 amMEL - CVG
2 stops25h 12mMultiple Airlines
Deal found 10/29$1,212
This Qantas Airways deal was found by Cheapflights users on 10/27. 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.
Thu 11/134:54 pmCVG - MEL
1 stop44h 06mQantas Airways
Mon 11/174:05 pmMEL - CVG
1 stop19h 53mQantas Airways
Deal found 10/27$1,217
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/912:35 pmCVG - MEL
1 stop24h 25mAmerican Airlines
Sun 12/74:05 pmMEL - CVG
1 stop22h 36mAmerican Airlines
Deal found 10/30$1,231
This Air Canada deal was found by Cheapflights users on 10/28. 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 11/43:41 pmBNA - SYD
2 stops24h 54mMultiple Airlines
Mon 11/1011:20 amSYD - BNA
2 stops44h 45mMultiple Airlines
Deal found 10/28$1,233

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 October 30, 2025.
Use the filters below to find and compare flights from Kentucky to Australia that are best for you.

Fly from

Kentucky

Fly to

Australia

Route

Depart

Return

Price

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Thu 11/6

4:54 pm-6:55 am

1 stop22h 01m

Sydney Kingsford Smith

Sat 11/15

6:05 am-4:12 pm

2 stops26h 07m

$1,044

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Mon 2/2

1:33 pm-5:00 am

1 stop23h 27m

Melbourne

Fri 2/20

12:00 pm-11:21 pm

2 stops27h 21m

$1,095

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Thu 2/19

2:25 pm-9:35 am

2 stops50h 10m

Sydney Kingsford Smith

Thu 2/26

11:20 am-3:05 pm

3 stops44h 45m

$1,171

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Fri 1/30

5:14 pm-9:00 am

1 stop22h 46m

Sydney Kingsford Smith

Fri 2/6

7:15 pm-4:24 pm

2 stops38h 09m

$1,174

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Fri 12/5

12:18 pm-5:00 am

1 stop24h 42m

Melbourne

Wed 12/24

4:25 pm-7:52 pm

2 stops43h 27m

$1,199

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Fri 12/5

12:18 pm-5:00 am

1 stop24h 42m

Melbourne

Thu 12/25

11:15 am-7:52 pm

2 stops48h 37m

$1,199

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Thu 3/19

2:25 pm-8:35 am

3 stops50h 10m

Sydney Kingsford Smith

Sun 4/5

9:20 am-3:05 pm

3 stops44h 45m

$1,200

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Thu 12/4

4:53 pm-5:00 am

1 stop44h 07m

Melbourne

Fri 12/26

6:00 am-4:05 pm

2 stops26h 05m

$1,204

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Thu 12/4

4:53 pm-5:00 am

1 stop44h 07m

Melbourne

Wed 12/24

9:05 pm-4:05 pm

2 stops35h 00m

$1,206

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Thu 12/4

4:53 pm-5:00 am

1 stop44h 07m

Melbourne

Thu 12/25

7:20 pm-4:05 pm

2 stops36h 45m

$1,207

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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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, June is the cheapest month in which you can book a flight from Kentucky to Australia (average of $648). Flying from Kentucky to Australia in January is currently the most expensive (average of $1,079). 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.

What is the cheapest time of day to fly from KY to AU?

Find hourly flight availability from Kentucky to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s typically best to fly out from Kentucky to Australia in the morning. Doing so could potentially save you 21% on the flight price compared to flying at noon, which is usually more expensive.

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 $1,044, Qantas Airways can have you in Australia from Kentucky in 22h 01m. Kentucky and Australia are separated by a distance of 9357 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Kentucky to Australia one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $574. American Airlines flights start at $578 while deals on Qantas Airways start at $600 one-way.

  • 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, June is the cheapest month in which you can book a flight from Kentucky to Australia (average of $648). Flying from Kentucky to Australia in January is currently the most expensive (average of $1,079). 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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Alternative routes for Kentucky to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 4 airlines flying from Kentucky to Australia

Discover the top 4 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$921Average$1,336FlexibilityNo cancel feeOn-time69%
DeltaCheapest$979Average$1,338FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,260Average$1,553FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,380Average$1,684FlexibilityNo cancel feeOn-time78%

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