Australia

$525+ 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 8/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Jul 31 — Aug 71
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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 July 1, 2026.

This Trip.com deal was found by Cheapflights users on 6/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/133:41 pm
BNA
-
SYD
3 stops29h 09m
Multiple Airlines
Thu 8/201:15 pm
SYD
-
BNA
3 stops39h 31m
Multiple Airlines
Deal found 6/29$1,007
This oojo deal was found by Cheapflights users on 7/1. 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 9/145:15 pm
BNA
-
MEL
1 stop22h 30m
Qantas Airways
Mon 9/289:45 am
MEL
-
BNA
1 stop21h 07m
Qantas Airways
Deal found 7/1$1,078
This Trip.com deal was found by Cheapflights users on 6/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/3012:18 pm
CVG
-
SYD
3 stops33h 32m
Multiple Airlines
Thu 8/66:15 am
SYD
-
CVG
3 stops43h 33m
Multiple Airlines
Deal found 6/30$1,117
This Air Canada deal was found by Cheapflights users on 6/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/261:55 pm
CVG
-
SYD
2 stops51h 25m
Air Canada
Mon 10/510:20 am
SYD
-
CVG
2 stops49h 10m
Air Canada
Deal found 6/30$1,135
This Air Canada deal was found by Cheapflights users on 6/28. 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.
Sat 10/171:55 pm
CVG
-
SYD
3 stops51h 25m
Air Canada
Tue 11/1011:20 am
SYD
-
CVG
2 stops46h 40m
Air Canada
Deal found 6/28$1,147
This Air Canada deal was found by Cheapflights users on 6/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/171:55 pm
CVG
-
SYD
3 stops51h 25m
Air Canada
Mon 11/911:20 am
SYD
-
CVG
2 stops46h 40m
Air Canada
Deal found 6/30$1,148
This FlightHub deal was found by Cheapflights users on 7/1. 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.
Mon 9/219:00 am
CVG
-
SYD
2 stops32h 20m
Air Canada
Wed 9/309:20 am
SYD
-
CVG
2 stops26h 03m
Air Canada
Deal found 7/1$1,154
This FlightHub deal was found by Cheapflights users on 7/1. 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.
Mon 9/2111:17 am
CVG
-
SYD
3 stops30h 03m
Air Canada
Tue 9/299:20 am
SYD
-
CVG
2 stops26h 03m
Air Canada
Deal found 7/1$1,159
This oojo deal was found by Cheapflights users on 7/1. 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 10/235:57 pm
LEX
-
MEL
2 stops45h 48m
Qantas Airways
Mon 11/97:10 am
MEL
-
LEX
2 stops27h 13m
Qantas Airways
Deal found 7/1$1,164
This KAYAK deal was found by Cheapflights users on 6/27. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:10 am
BNA
-
MEL
1 stop31h 35m
Qantas Airways
Tue 10/2710:45 pm
MEL
-
BNA
1 stop40h 56m
Qantas Airways
Deal found 6/27$1,170
This Air Canada deal was found by Cheapflights users on 6/30. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/31:55 pm
CVG
-
SYD
2 stops27h 25m
Air Canada
Thu 8/139:20 am
SYD
-
CVG
2 stops25h 10m
Air Canada
Deal found 6/30$1,173
This United Airlines deal was found by Cheapflights users on 6/26. 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.
Mon 6/294:59 pm
BNA
-
SYD
1 stop22h 56m
United Airlines
Sun 7/1210:20 am
SYD
-
BNA
1 stop20h 33m
United Airlines
Deal found 6/26$1,178

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 July 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,007
(Trip.com)

One-way from

$525
(Kiwi.com)

Popular in

January

Cheapest in

February

Average price

$1,330
Provider with most accurate pricing for Louisville Intl-Sydney Kingsford Smith flight deals.
Provider most trusted by Cheapflights users for Louisville Intl-Sydney Kingsford Smith flights.
From Kentucky to Australia
One-way flight from Kentucky to Australia
Highest demand for flights based on searches. 22% potential increase in price ($435 potential increase over avg. RT price).
Cheapest flight prices on average. 9% potential price decrease ($133 potential savings vs. average RT price).
Average for round-trip flights in July 2026

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 July 1, 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

Sat 9/26

1:55 pm-7:20 am

2 stops51h 25m

Sydney Kingsford Smith

Mon 10/5

10:20 am-8:30 pm

2 stops49h 10m

$1,135

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sat 10/31

6:40 pm-9:35 am

2 stops47h 55m

Sydney Kingsford Smith

Sat 11/7

11:20 am-2:03 pm

3 stops42h 43m

$1,179

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Sun 9/13

9:00 am-11:20 am

3 stops36h 20m

Melbourne

Sun 9/20

8:50 pm-9:23 pm

3 stops38h 33m

$1,183

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Wed 8/12

3:10 pm-6:55 am

2 stops24h 45m

Sydney Kingsford Smith

Wed 8/19

10:20 am-5:24 pm

1 stop22h 04m

$1,186

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Sun 11/1

2:05 pm-10:30 am

2 stops28h 25m

Melbourne

Tue 11/10

12:45 pm-11:56 pm

2 stops27h 11m

$1,189

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 8/5

8:05 am-6:50 am

2 stops32h 45m

Sydney Kingsford Smith

Tue 8/18

9:15 am-7:33 pm

2 stops24h 18m

$1,190

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 8/11

2:21 pm-7:00 am

2 stops26h 39m

Sydney Kingsford Smith

Tue 8/18

9:30 am-8:53 pm

2 stops25h 23m

$1,190

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Tue 8/11

4:15 pm-7:00 am

2 stops23h 45m

Sydney Kingsford Smith

Tue 8/18

9:30 am-6:45 pm

2 stops24h 15m

$1,190

NashvilleMelbourne

BNA - MEL

BNAMEL

Nashville Intl

Fri 8/21

11:18 am-7:30 am

2 stops29h 12m

Melbourne

Tue 9/1

10:55 am-6:58 pm

1 stop23h 03m

$1,203

CincinnatiMelbourne

CVG - MEL

CVGMEL

Cincinnati Cinci./N. Kentucky

Thu 8/13

12:00 pm-8:15 am

2 stops30h 15m

Melbourne

Thu 8/20

10:55 am-11:55 pm

2 stops27h 00m

$1,203

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/27

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, December is the cheapest month in which you can book a flight from Kentucky to Australia (average of $662). Flying from Kentucky to Australia in September is currently the most expensive (average of $1,273). 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 $1,186, Air Canada can have you in Australia from Kentucky in 24h 45m. 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, December is the cheapest month in which you can book a flight from Kentucky to Australia (average of $662). Flying from Kentucky to Australia in September is currently the most expensive (average of $1,273). 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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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 July 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$662Average$1,351FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$933Average$1,361FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$1,494Average$1,562FlexibilityNo cancel feeOn-time71%

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