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$659+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
May 5 — May 121
Mon 5/5
Mon 5/12
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 30, 2025.

Most accurate provider

AranGrant
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$862
(United Airlines)

One-way from

$659
(Mytrip)

Popular in

December

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. 15% potential increase in price ($262 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($44 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 30, 2025.

This American Airlines deal was found by Cheapflights users on 4/29. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/242:43 pmCVG - SYD
2 stops26h 12mAmerican Airlines
Tue 7/810:25 amSYD - CVG
2 stops22h 50mAmerican Airlines
Deal found 4/29$1,195
This Air Canada deal was found by Cheapflights users on 4/28. 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 11/82:35 pmBNA - BNE
2 stops50h 05mAir Canada
Tue 11/1810:45 amBNE - BNA
2 stops44h 18mAir Canada
Deal found 4/28$1,202
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1011:15 amCVG - SYD
2 stops29h 40mUnited Airlines
Tue 6/249:30 amSYD - CVG
2 stops25h 18mUnited Airlines
Deal found 4/28$1,229
This Air Canada deal was found by Cheapflights users on 4/28. 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 11/82:35 pmBNA - BNE
2 stops50h 05mMultiple Airlines
Tue 11/186:10 amBNE - BNA
3 stops29h 40mMultiple Airlines
Deal found 4/28$1,230
This Ovago deal was found by Cheapflights users on 4/28. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/125:41 pmBNA - BNE
2 stops31h 29mQantas Airways
Thu 11/207:25 pmBNE - BNA
1 stop37h 24mQantas Airways
Deal found 4/28$1,237
This Delta deal was found by Cheapflights users on 4/29. 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 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 stops28h 52mDelta
Deal found 4/29$1,238
This StudentUniverse deal was found by Cheapflights users on 4/28. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/142:57 pmBNA - SYD
2 stops25h 48mAir New Zealand
Fri 10/3111:45 amSYD - BNA
2 stops33h 39mAir New Zealand
Deal found 4/28$1,240
This Delta deal was found by Cheapflights users on 4/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/242:59 pmSDF - SYD
2 stops25h 36mDelta
Sun 10/1210:25 amSYD - SDF
2 stops25h 26mDelta
Deal found 4/29$1,246
This Delta deal was found by Cheapflights users on 4/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/143:00 pmBNA - BNE
1 stop24h 45mDelta
Sun 11/2310:45 amBNE - BNA
1 stop28h 57mDelta
Deal found 4/28$1,304
This StudentUniverse deal was found by Cheapflights users on 4/29. 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 StudentUniverse is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/145:11 pmCVG - MEL
2 stops27h 39mAir New Zealand
Fri 10/311:05 amMEL - CVG
2 stops26h 39mAir New Zealand
Deal found 4/29$1,310
This United Airlines deal was found by Cheapflights users on 4/28. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/86:36 pmBNA - BNE
1 stop20h 54mUnited Airlines
Thu 11/2011:40 amBNE - BNA
2 stops28h 19mUnited Airlines
Deal found 4/28$1,312
This oojo deal was found by Cheapflights users on 4/28. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/84:55 pmBNA - MEL
2 stops29h 50mAir New Zealand
Mon 9/1512:05 pmMEL - BNA
2 stops32h 31mAir New Zealand
Deal found 4/28$1,314

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 30, 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

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Tue 6/24

2:43 pm-6:55 am

2 stops26h 12m

Sydney Kingsford Smith

Tue 7/8

10:25 am-7:15 pm

2 stops22h 50m

$1,195

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Tue 6/10

11:15 am-6:55 am

2 stops29h 40m

Sydney Kingsford Smith

Tue 6/24

9:30 am-8:48 pm

2 stops25h 18m

$1,229

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-12:17 am

2 stops28h 52m

$1,238

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Tue 10/14

2:57 pm-8:45 am

2 stops25h 48m

Sydney Kingsford Smith

Fri 10/31

11:45 am-5:24 am

2 stops33h 39m

$1,240

NashvilleMelbourne

BNA - MEL

BNAMEL

Nashville Intl

Mon 9/8

4:55 pm-1:45 pm

2 stops29h 50m

Melbourne

Mon 9/15

12:05 pm-5:36 am

2 stops32h 31m

$1,314

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 9/24

6:00 am-6:35 am

2 stops34h 35m

Sydney Kingsford Smith

Sun 10/12

10:25 am-6:44 pm

2 stops23h 19m

$1,323

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sun 7/27

7:00 am-10:35 am

2 stops37h 35m

Sydney Kingsford Smith

Sat 8/2

6:20 pm-11:59 pm

2 stops43h 39m

$1,379

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Sun 6/1

4:57 pm-7:00 am

2 stops23h 03m

Sydney Kingsford Smith

Sun 6/22

10:20 am-3:34 pm

1 stop20h 14m

$1,380

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 6/12

6:00 pm-7:00 am

2 stops23h 00m

Sydney Kingsford Smith

Thu 6/19

10:20 am-9:52 pm

2 stops25h 32m

$1,382

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Mon 6/23

3:05 pm-6:35 am

1 stop24h 30m

Sydney Kingsford Smith

Thu 7/3

9:25 am-11:33 pm

1 stop29h 08m

$1,390

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 43 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 $1,043). 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 30, 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 30, 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
1,459 reviews

Entertainment

7.8

Boarding

8.4

Overall

8.3

Crew

8.7

Food

7.7

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
1,459 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Entertainment

7.8

Boarding

8.4

Overall

8.3

Crew

8.7

Food

7.7

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
852 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Entertainment

7.8

Boarding

8.4

Overall

8.3

Crew

8.7

Food

7.7

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
3,215 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Entertainment

7.8

Boarding

8.4

Overall

8.3

Crew

8.7

Food

7.7

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
7,936 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Entertainment

7.8

Boarding

8.4

Overall

8.3

Crew

8.7

Food

7.7

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
472 reviews
Japan Airlines
8.3
Very good
1,459 reviews

Entertainment

7.8

Boarding

8.4

Overall

8.3

Crew

8.7

Food

7.7

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 Air Canada, which is currently one of the cheapest options available, starting at $683. United Airlines flights start at $1,072 while deals on Qantas Airways start at $1,587 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 $1,043). 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

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 April 30, 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$1,418FlexibilityNo cancel feeOn-time71%
Air New ZealandCheapest$1,380Average$1,686FlexibilityNo cancel feeOn-time78%

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