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$514+ 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 9/23. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Aug 25 — Sep 11
Mon 8/25
Mon 9/1
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 August 20, 2025.

Round-trip from

$952
(Air Canada)

One-way from

$514
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,237
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. 14% potential increase in price ($217 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($56 potential savings vs. average RT price).
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Average for round-trip flights in August 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 August 20, 2025.

This Air Canada deal was found by Cheapflights users on 8/19. 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 8/318:15 amBNA - SYD
1 stop32h 05mAir Canada
Tue 9/169:20 amSYD - BNA
1 stop25h 17mAir Canada
Deal found 8/19$952
This Air Canada deal was found by Cheapflights users on 8/19. 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 9/18:20 amBNA - SYD
1 stop32h 00mAir Canada
Tue 9/309:20 amSYD - BNA
2 stops50h 40mAir Canada
Deal found 8/19$953
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 10/233:26 pmCVG - MEL
2 stops26h 49mUnited Airlines
Fri 11/71:00 pmMEL - CVG
2 stops26h 59mUnited Airlines
Deal found 8/18$978
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 11/139:00 amLEX - MEL
2 stops33h 00mUnited Airlines
Thu 2/51:00 pmMEL - LEX
2 stops26h 41mUnited Airlines
Deal found 8/18$978
This United Airlines deal was found by Cheapflights users on 8/18. 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 11/82:09 pmCVG - SYD
2 stops27h 06mUnited Airlines
Sat 11/2211:50 amSYD - CVG
1 stop20h 14mUnited Airlines
Deal found 8/18$981
This United Airlines deal was found by Cheapflights users on 8/17. 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 10/47:15 amSDF - SYD
2 stops33h 40mUnited Airlines
Sat 10/1110:30 amSYD - SDF
2 stops25h 03mUnited Airlines
Deal found 8/17$985
This Expedia deal was found by Cheapflights users on 8/19. 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 9/11:30 pmCVG - SYD
2 stops27h 50mAir Canada
Sun 9/149:20 amSYD - CVG
2 stops25h 07mAir Canada
Deal found 8/19$989
This United Airlines deal was found by Cheapflights users on 8/18. 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.
Thu 9/44:33 pmCVG - MEL
2 stops25h 42mUnited Airlines
Thu 9/1810:55 amMEL - CVG
2 stops47h 56mUnited Airlines
Deal found 8/18$993
This United Airlines deal was found by Cheapflights users on 8/19. 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 9/53:30 pmSDF - MEL
2 stops26h 45mUnited Airlines
Fri 9/1210:55 amMEL - SDF
2 stops41h 33mUnited Airlines
Deal found 8/19$993
This Air Canada deal was found by Cheapflights users on 8/19. 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 9/169:30 amCVG - SYD
2 stops31h 50mAir Canada
Tue 9/239:20 amSYD - CVG
2 stops49h 07mAir Canada
Deal found 8/19$996
This Air Canada deal was found by Cheapflights users on 8/20. 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 9/206:45 pmBNA - SYD
2 stops45h 35mAir Canada
Sat 10/1110:20 amSYD - BNA
2 stops26h 40mAir Canada
Deal found 8/20$1,003
This Air Canada deal was found by Cheapflights users on 8/19. 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 9/21:30 pmCVG - SYD
2 stops27h 50mAir Canada
Fri 9/59:20 amSYD - CVG
2 stops25h 07mAir Canada
Deal found 8/19$1,031

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 August 20, 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

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Sun 8/31

8:15 am-7:20 am

2 stops32h 05m

Sydney Kingsford Smith

Tue 9/16

9:20 am-9:00 pm

2 stops26h 40m

$952

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Mon 9/1

8:20 am-7:20 am

1 stop32h 00m

Sydney Kingsford Smith

Tue 9/30

9:20 am-9:00 pm

2 stops50h 40m

$953

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Fri 10/24

5:00 pm-8:30 am

2 stops24h 30m

Melbourne

Fri 10/31

10:30 am-11:44 pm

2 stops28h 14m

$978

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Thu 10/23

7:05 am-9:15 am

2 stops35h 10m

Melbourne

Sat 11/8

1:00 pm-11:59 pm

2 stops26h 59m

$978

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Thu 10/23

5:00 pm-9:15 am

2 stops25h 15m

Melbourne

Thu 11/13

1:00 pm-9:30 am

2 stops36h 30m

$978

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Thu 10/23

3:26 pm-9:15 am

2 stops26h 49m

Melbourne

Fri 11/7

1:00 pm-11:59 pm

2 stops26h 59m

$978

LexingtonMelbourne

LEX - MEL

LEXMEL

Lexington Blue Grass

Thu 11/13

9:00 am-10:00 am

2 stops33h 00m

Melbourne

Thu 2/5

1:00 pm-11:41 pm

2 stops26h 41m

$978

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sat 11/8

2:09 pm-9:15 am

2 stops27h 06m

Sydney Kingsford Smith

Sat 11/22

11:50 am-4:04 pm

1 stop20h 14m

$981

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Thu 2/5

5:01 pm-7:00 am

1 stop21h 59m

Sydney Kingsford Smith

Thu 2/19

11:50 am-11:39 pm

1 stop27h 49m

$981

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 10/4

7:15 am-6:55 am

2 stops33h 40m

Sydney Kingsford Smith

Sat 10/11

10:30 am-8:33 pm

2 stops25h 03m

$985

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/19

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, February is the cheapest month in which you can book a flight from Kentucky to Australia (average of $1,030). Flying from Kentucky to Australia in December is currently the most expensive (average of $1,620). 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 August 20, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Kentucky to Australia as you normally would.

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 $978, Air Canada can have you in Australia from Kentucky in 24h 30m. Kentucky and Australia are separated by a distance of 9780 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 $549. United Airlines flights start at $552 while deals on Delta start at $552 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, February is the cheapest month in which you can book a flight from Kentucky to Australia (average of $1,030). Flying from Kentucky to Australia in December is currently the most expensive (average of $1,620). 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

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Top 5 airlines flying from Kentucky to Australia

Discover the top 5 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 August 20, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$921Average$1,391FlexibilityNo cancel feeOn-time69%
DeltaCheapest$979Average$1,313FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$1,172Average$1,803FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,348Average$1,498FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,380Average$1,686FlexibilityNo cancel feeOn-time78%

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