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$611+ 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 7/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Apr 29 — May 61
Tue 4/29
Tue 5/6
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 April 24, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$1,183
(StudentUniverse)

One-way from

$611
(Kiwi.com)

Popular in

July

Cheapest in

April

Average price

$1,110
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. 4% potential increase in price ($74 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($51 potential savings vs. average RT price).
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Average for round-trip flights in April 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 April 24, 2025.

This StudentUniverse deal was found by Cheapflights users on 4/22. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1510:48 amBNA - SYD
2 stops29h 57mAir New Zealand
Wed 10/2911:45 amSYD - BNA
2 stops22h 47mAir New Zealand
Deal found 4/22$1,183
This Trip.com deal was found by Cheapflights users on 4/23. 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.
Mon 5/123:51 pmSDF - SYD
2 stops40h 19mMultiple Airlines
Thu 5/151:15 pmSYD - SDF
2 stops39h 41mMultiple Airlines
Deal found 4/23$1,284
This FlightHub deal was found by Cheapflights users on 4/23. 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 11/28:35 amCVG - SYD
2 stops32h 10mAir New Zealand
Mon 11/109:55 amSYD - CVG
2 stops41h 03mAir New Zealand
Deal found 4/23$1,306
This Delta deal was found by Cheapflights users on 4/23. 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.
Sun 6/2212:53 pmSDF - SYD
2 stops27h 42mDelta
Mon 6/309:25 amSYD - SDF
2 stops28h 34mDelta
Deal found 4/23$1,324
This Delta deal was found by Cheapflights users on 4/23. 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.
Wed 6/182:05 pmCVG - SYD
2 stops26h 30mDelta
Wed 7/29:25 amSYD - CVG
2 stops24h 35mDelta
Deal found 4/23$1,324
This KAYAK deal was found by Cheapflights users on 4/22. 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.
Mon 8/42:48 pmBNA - MEL
2 stops29h 02mAir New Zealand
Sat 8/306:55 pmMEL - BNA
2 stops42h 16mAir New Zealand
Deal found 4/22$1,330
This Air Canada deal was found by Cheapflights users on 4/22. 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 10/208:15 amBNA - SYD
2 stops56h 05mAir Canada
Mon 10/2710:20 amSYD - BNA
2 stops39h 09mAir Canada
Deal found 4/22$1,330
This KAYAK deal was found by Cheapflights users on 4/22. 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 7/179:35 amSDF - MEL
2 stops35h 15mAir New Zealand
Mon 7/286:55 pmMEL - SDF
2 stops40h 56mAir New Zealand
Deal found 4/22$1,372
This KAYAK deal was found by Cheapflights users on 4/22. 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.
Tue 8/199:35 amTYS - SYD
2 stops35h 00mAir New Zealand
Thu 8/286:20 pmSYD - TYS
2 stops61h 50mAir New Zealand
Deal found 4/22$1,381
This Air New Zealand deal was found by Cheapflights users on 4/23. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/239:10 amCVG - SYD
3 stops31h 35mMultiple Airlines
Sat 12/611:45 amSYD - CVG
3 stops26h 36mMultiple Airlines
Deal found 4/23$1,411
This KAYAK deal was found by Cheapflights users on 4/23. 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.
Mon 11/39:00 amCVG - SYD
2 stops43h 15mANA
Tue 11/119:45 pmSYD - CVG
2 stops38h 32mANA
Deal found 4/23$1,422
This Air Canada deal was found by Cheapflights users on 4/23. 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.
Fri 9/269:30 amCVG - SYD
2 stops31h 50mAir Canada
Sat 10/49:20 amSYD - CVG
1 stop44h 27mAir Canada
Deal found 4/23$1,428

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 April 24, 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

Wed 10/15

10:48 am-8:45 am

2 stops29h 57m

Sydney Kingsford Smith

Wed 10/29

11:45 am-6:32 pm

2 stops22h 47m

$1,183

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 5/12

3:51 pm-10:10 pm

2 stops40h 19m

Sydney Kingsford Smith

Thu 5/15

1:15 pm-2:56 pm

2 stops39h 41m

$1,284

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 6/22

12:53 pm-6:35 am

2 stops27h 42m

Sydney Kingsford Smith

Mon 6/30

9:25 am-11:59 pm

2 stops28h 34m

$1,324

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Wed 6/18

2:05 pm-6:35 am

2 stops26h 30m

Sydney Kingsford Smith

Wed 7/2

9:25 am-8:00 pm

2 stops24h 35m

$1,324

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Mon 10/20

8:15 am-8:20 am

2 stops56h 05m

Sydney Kingsford Smith

Mon 10/27

10:20 am-9:29 am

2 stops39h 09m

$1,330

NashvilleMelbourne

BNA - MEL

BNAMEL

Nashville Intl

Mon 8/4

2:48 pm-10:50 am

2 stops29h 02m

Melbourne

Sat 8/30

6:55 pm-10:11 pm

2 stops42h 16m

$1,330

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 8/19

9:35 am-10:35 am

2 stops35h 00m

Sydney Kingsford Smith

Thu 8/28

6:20 pm-6:10 pm

2 stops61h 50m

$1,381

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Fri 9/26

9:30 am-7:20 am

2 stops31h 50m

Sydney Kingsford Smith

Sat 10/4

9:20 am-3:47 pm

2 stops44h 27m

$1,428

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Wed 10/15

4:19 pm-8:05 am

1 stop23h 46m

Sydney Kingsford Smith

Wed 10/29

11:15 am-3:25 pm

1 stop20h 10m

$1,442

LexingtonSydney

LEX - SYD

LEXSYD

Lexington Blue Grass

Sun 6/15

2:07 pm-7:00 am

2 stops26h 53m

Sydney Kingsford Smith

Tue 7/1

10:20 am-10:11 pm

2 stops25h 51m

$1,444

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/22

Showing 1-10 of 50 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 $1,046). Flying from Kentucky to Australia in December is currently the most expensive (average of $1,643). 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 April 24, 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.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated April 24, 2025.
To help decide which airline to fly from Kentucky to Australia, see what other customers have to say about Japan Airlines, ANA and Emirates. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,453 reviews

Boarding

8.4

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Japan Airlines
8.3
Very good
1,453 reviews
Japan Airlines
8.3
Very good
1,453 reviews

Boarding

8.4

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
ANA
8.3
Very good
853 reviews
Japan Airlines
8.3
Very good
1,453 reviews

Boarding

8.4

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Emirates
8.0
Very good
3,205 reviews
Japan Airlines
8.3
Very good
1,453 reviews

Boarding

8.4

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Delta
8.0
Very good
7,920 reviews
Japan Airlines
8.3
Very good
1,453 reviews

Boarding

8.4

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.
Air New Zealand
8.0
Very good
469 reviews
Japan Airlines
8.3
Very good
1,453 reviews

Boarding

8.4

Overall

8.3

Entertainment

7.8

Food

7.7

Crew

8.7

Comfort

8.2

Reviews

1 / 20
10.0
Excellent

L,Nov 2024

SNA - SEA

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

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.

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

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $827. Air New Zealand flights start at $833 while deals on Delta start at $850 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 $1,046). Flying from Kentucky to Australia in December is currently the most expensive (average of $1,643). 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 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 April 24, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$921Average$1,378FlexibilityNo cancel feeOn-time69%
DeltaCheapest$1,084Average$1,439FlexibilityNo cancel feeOn-timeN/A
Qantas AirwaysCheapest$1,172Average$1,798FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,190Average$1,412FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,380Average$1,686FlexibilityNo cancel feeOn-time78%

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