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$527+ 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 2/21. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Oct 17 — Oct 241
Fri 10/17
Fri 10/24
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 September 17, 2025.

Round-trip from

$980
(United Airlines)

One-way from

$527
(United Airlines)

Popular in

December

Cheapest in

April

Average price

$1,350
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 ($219 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 September 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 September 17, 2025.

This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/303:20 pmCVG - MEL
2 stops26h 40mUnited Airlines
Thu 11/61:00 pmMEL - CVG
2 stops36h 30mUnited Airlines
Deal found 9/15$980
This United Airlines deal was found by Cheapflights users on 9/15. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:00 amSDF - MEL
2 stops32h 30mUnited Airlines
Fri 11/711:30 amMEL - SDF
2 stops24h 24mUnited Airlines
Deal found 9/15$980
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 11/612:30 pmCVG - MEL
2 stops29h 30mUnited Airlines
Thu 11/201:00 pmMEL - CVG
2 stops26h 44mUnited Airlines
Deal found 9/16$981
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 12/74:59 pmTYS - SYD
1 stop22h 01mUnited Airlines
Wed 12/1711:50 amSYD - TYS
1 stop27h 54mUnited Airlines
Deal found 9/16$983
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 12/711:42 amTYS - SYD
1 stop27h 18mUnited Airlines
Thu 12/1811:20 amSYD - TYS
2 stops28h 22mUnited Airlines
Deal found 9/16$987
This BestPriceTravel deal was found by Cheapflights users on 9/15. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:57 pmBNA - BNE
1 stop23h 03mQantas Airways
Fri 11/77:40 pmBNE - BNA
1 stop36h 52mQantas Airways
Deal found 9/15$992
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Thu 11/612:30 pmCVG - MEL
2 stops29h 30mUnited Airlines
Thu 11/271:00 pmMEL - CVG
2 stops38h 28mUnited Airlines
Deal found 9/16$995
This United Airlines deal was found by Cheapflights users on 9/16. 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.
Sun 12/71:52 pmTYS - SYD
2 stops27h 13mUnited Airlines
Tue 12/2311:20 amSYD - TYS
2 stops43h 40mUnited Airlines
Deal found 9/16$1,002
This FlightHub deal was found by Cheapflights users on 9/16. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/235:22 pmBNA - SYD
1 stop22h 43mQantas Airways
Tue 9/309:10 amSYD - BNA
1 stop22h 21mQantas Airways
Deal found 9/16$1,005
This Gotogate deal was found by Cheapflights users on 9/15. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/313:45 pmBNA - BNE
2 stops25h 00mAir Canada
Fri 11/710:45 amBNE - BNA
2 stops44h 20mAir Canada
Deal found 9/15$1,023
This Delta deal was found by Cheapflights users on 9/15. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/232:47 pmBNA - SYD
1 stop24h 48mDelta
Tue 9/309:25 amSYD - BNA
1 stop26h 31mDelta
Deal found 9/15$1,038
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/313:06 pmBNA - BNE
1 stop23h 24mAmerican Airlines
Fri 11/79:40 amBNE - BNA
1 stop27h 57mAmerican Airlines
Deal found 9/16$1,060

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 September 17, 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

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Thu 10/30

3:20 pm-9:00 am

2 stops26h 40m

Melbourne

Thu 11/6

1:00 pm-9:30 am

2 stops36h 30m

$980

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Fri 10/31

9:00 am-8:30 am

2 stops32h 30m

Melbourne

Fri 11/7

11:30 am-7:54 pm

2 stops24h 24m

$980

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Thu 11/6

7:00 am-10:00 am

2 stops35h 00m

Melbourne

Fri 11/28

11:30 am-11:59 pm

2 stops28h 29m

$981

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Fri 10/31

2:56 pm-8:30 am

2 stops26h 34m

Melbourne

Fri 11/7

11:30 am-10:15 pm

2 stops26h 45m

$981

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Fri 11/7

12:30 pm-9:30 am

2 stops29h 00m

Melbourne

Fri 11/28

1:00 pm-10:15 pm

2 stops25h 15m

$981

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Fri 11/7

2:56 pm-9:30 am

2 stops26h 34m

Melbourne

Thu 11/20

1:00 pm-11:59 pm

2 stops26h 59m

$981

LexingtonMelbourne

LEX - MEL

LEXMEL

Lexington Blue Grass

Sat 2/28

10:35 am-9:30 am

2 stops30h 55m

Melbourne

Fri 3/13

10:30 am-10:16 pm

2 stops26h 46m

$981

NashvilleBrisbane

BNA - BNE

BNABNE

Nashville Intl

Thu 2/26

3:45 pm-8:45 am

2 stops25h 00m

Brisbane

Tue 3/10

9:45 am-3:05 pm

2 stops44h 20m

$1,050

NashvilleBrisbane

BNA - BNE

BNABNE

Nashville Intl

Mon 3/16

8:15 am-7:45 am

2 stops32h 30m

Brisbane

Fri 3/20

9:45 am-7:50 pm

2 stops25h 05m

$1,067

NashvilleBrisbane

BNA - BNE

BNABNE

Nashville Intl

Thu 2/26

8:15 am-1:25 pm

3 stops37h 10m

Brisbane

Tue 3/10

5:05 am-1:16 pm

3 stops47h 11m

$1,103

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/16

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, March is the cheapest month in which you can book a flight from Kentucky to Australia (average of $1,032). Flying from Kentucky to Australia in December is currently the most expensive (average of $1,627). 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 September 17, 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 $1,118, United Airlines 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 United Airlines, which is currently one of the cheapest options available, starting at $527. Delta flights start at $605 while deals on Qantas Airways start at $616 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, March is the cheapest month in which you can book a flight from Kentucky to Australia (average of $1,032). Flying from Kentucky to Australia in December is currently the most expensive (average of $1,627). 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 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 September 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$921Average$1,387FlexibilityNo cancel feeOn-time69%
DeltaCheapest$979Average$1,409FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$1,318Average$1,721FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,349Average$1,498FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,380Average$1,686FlexibilityNo cancel feeOn-time78%

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