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$516+ 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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Mar 5 — Mar 121
Thu 3/5
Thu 3/12
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 February 3, 2026.

This oojo deal was found by Cheapflights users on 2/1. 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.
Fri 2/65:24 pm
BNA
-
SYD
1 stop22h 36m
Qantas Airways
Mon 2/167:05 am
SYD
-
BNA
2 stops26h 44m
Qantas Airways
Deal found 2/1$875
This FlightHub deal was found by Cheapflights users on 2/1. 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.
Sun 2/15:24 pm
BNA
-
SYD
2 stops28h 26m
Qantas Airways
Sun 2/811:20 am
SYD
-
BNA
1 stop22h 04m
Qantas Airways
Deal found 2/1$893
This oojo deal was found by Cheapflights users on 2/2. 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.
Mon 2/235:27 pm
BNA
-
SYD
2 stops34h 23m
Qantas Airways
Sat 3/711:20 am
SYD
-
BNA
1 stop21h 58m
Qantas Airways
Deal found 2/2$895
This oojo deal was found by Cheapflights users on 2/2. 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.
Mon 2/165:27 pm
BNA
-
SYD
2 stops46h 43m
Qantas Airways
Fri 2/2011:20 am
SYD
-
BNA
1 stop22h 29m
Qantas Airways
Deal found 2/2$906
This Qantas Airways deal was found by Cheapflights users on 2/2. 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.
Mon 2/235:27 pm
BNA
-
SYD
2 stops34h 23m
Qantas Airways
Thu 2/2611:20 am
SYD
-
BNA
1 stop22h 29m
Qantas Airways
Deal found 2/2$941
This Qantas Airways deal was found by Cheapflights users on 2/2. 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 3/195:08 pm
BNA
-
MEL
1 stop24h 22m
Multiple Airlines
Thu 3/2612:00 pm
MEL
-
BNA
1 stop20h 46m
Multiple Airlines
Deal found 2/2$969
This American Airlines deal was found by Cheapflights users on 2/1. 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.
Thu 3/195:08 pm
BNA
-
MEL
1 stop24h 22m
American Airlines
Thu 3/2612:00 pm
MEL
-
BNA
1 stop20h 46m
American Airlines
Deal found 2/1$980
This United Airlines deal was found by Cheapflights users on 2/3. 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 4/106:50 pm
BNA
-
MEL
1 stop22h 25m
United Airlines
Mon 5/410:55 am
MEL
-
BNA
1 stop26h 49m
United Airlines
Deal found 2/3$1,002
This United Airlines deal was found by Cheapflights users on 2/1. 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 3/16:10 pm
BNA
-
MEL
1 stop22h 50m
United Airlines
Sun 3/812:00 pm
MEL
-
BNA
1 stop26h 33m
United Airlines
Deal found 2/1$1,003
This oojo deal was found by Cheapflights users on 2/1. 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.
Mon 3/235:27 pm
BNA
-
SYD
2 stops32h 13m
Qantas Airways
Sat 4/410:10 am
SYD
-
BNA
1 stop22h 08m
Qantas Airways
Deal found 2/1$1,045
This oojo deal was found by Cheapflights users on 2/1. 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.
Sat 2/145:28 pm
BNA
-
SYD
2 stops46h 42m
Qantas Airways
Fri 2/2011:20 am
SYD
-
BNA
1 stop22h 29m
Qantas Airways
Deal found 2/1$1,056
This American Airlines deal was found by Cheapflights users on 2/3. 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.
Mon 4/273:28 pm
CVG
-
SYD
1 stop25h 27m
American Airlines
Mon 5/412:00 pm
SYD
-
CVG
1 stop25h 24m
American Airlines
Deal found 2/3$1,119

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 February 3, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$875
(oojo)

One-way from

$519
(Kiwi.com)

Popular in

December

Cheapest in

November

Average price

$1,340
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. 9% potential increase in price ($143 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in February 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 February 3, 2026.
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

Fri 2/6

5:24 pm-9:00 am

1 stop22h 36m

Sydney Kingsford Smith

Mon 2/16

7:05 am-4:49 pm

2 stops26h 44m

$875

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Mon 2/16

5:28 pm-9:00 am

1 stop22h 32m

Sydney Kingsford Smith

Thu 2/19

7:05 am-4:49 pm

2 stops26h 44m

$875

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Mon 2/23

5:27 pm-8:50 pm

2 stops34h 23m

Sydney Kingsford Smith

Sat 3/7

11:20 am-4:18 pm

1 stop21h 58m

$895

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Mon 2/16

5:27 pm-9:10 am

2 stops46h 43m

Sydney Kingsford Smith

Fri 2/20

11:20 am-4:49 pm

1 stop22h 29m

$906

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Mon 2/23

5:28 pm-10:05 am

2 stops47h 37m

Sydney Kingsford Smith

Thu 3/5

11:20 am-4:49 pm

1 stop22h 29m

$906

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Mon 2/23

5:27 pm-8:50 pm

2 stops34h 23m

Sydney Kingsford Smith

Thu 2/26

11:20 am-4:49 pm

1 stop22h 29m

$941

NashvilleMelbourne

BNA - MEL

BNAMEL

Nashville Intl

Thu 3/19

5:08 pm-9:30 am

1 stop24h 22m

Melbourne

Thu 3/26

12:00 pm-4:46 pm

1 stop20h 46m

$980

NashvilleMelbourne

BNA - MEL

BNAMEL

Nashville Intl

Fri 4/10

6:50 pm-8:15 am

1 stop22h 25m

Melbourne

Mon 5/4

10:55 am-10:44 pm

1 stop26h 49m

$1,002

NashvilleMelbourne

BNA - MEL

BNAMEL

Nashville Intl

Sun 3/1

6:10 pm-10:00 am

1 stop22h 50m

Melbourne

Sun 3/8

12:00 pm-9:33 pm

1 stop26h 33m

$1,003

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Mon 4/27

4:13 pm-7:05 am

2 stops24h 52m

Sydney Kingsford Smith

Mon 5/4

9:10 am-9:40 pm

2 stops26h 30m

$1,121

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/3

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, 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 August is currently the most expensive (average of $1,122). 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 $1,002, Qantas Airways can have you in Australia from Kentucky in 22h 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 August is currently the most expensive (average of $1,122). 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

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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 February 3, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$933Average$1,433FlexibilityNo cancel feeOn-time69%
DeltaCheapest$985Average$1,424FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,260Average$1,614FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,380Average$1,684FlexibilityNo cancel feeOn-time78%

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