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$464+ Cheap flights from Kentucky to Sydney (SYD)

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 2/8. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Dec 21 — Dec 281
Sun 12/21
Sun 12/28
1 adult, Economy
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Find flight deals from Kentucky to Sydney

Cheapest flights from Kentucky to Sydney
Explore the most affordable flight options available from Kentucky to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2025.

This Jetabroad deal was found by Cheapflights users on 11/20. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2412:35 pmCVG - SYD
1 stop26h 20mQantas Airways
Wed 11/262:05 pmSYD - CVG
1 stop21h 52mQantas Airways
Deal found 11/20$1,086
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/234:54 pmCVG - SYD
1 stop22h 01mQantas Airways
Tue 11/252:05 pmSYD - CVG
1 stop21h 52mQantas Airways
Deal found 11/19$1,214
This American Airlines deal was found by Cheapflights users on 11/20. 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.
Sun 11/233:21 pmCVG - SYD
2 stops25h 39mAmerican Airlines
Sat 12/611:20 amSYD - CVG
2 stops24h 35mAmerican Airlines
Deal found 11/20$1,256
This American Airlines deal was found by Cheapflights users on 11/20. 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 11/213:00 pmTYS - SYD
2 stops26h 00mAmerican Airlines
Fri 11/2811:20 amSYD - TYS
2 stops25h 43mAmerican Airlines
Deal found 11/20$1,326
This Priceline deal was found by Cheapflights users on 11/19. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/234:54 pmCVG - SYD
1 stop22h 01mMultiple Airlines
Tue 11/2511:20 amSYD - CVG
2 stops46h 40mMultiple Airlines
Deal found 11/19$1,328
This Cheapflightsfares deal was found by Cheapflights users on 11/18. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/194:13 pmBNA - SYD
2 stops25h 42mQantas Airways
Wed 11/267:15 pmSYD - BNA
2 stops34h 23mQantas Airways
Deal found 11/18$1,357
This Cheapflightsfares deal was found by Cheapflights users on 11/19. 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 Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/34:13 pmBNA - SYD
2 stops24h 07mQantas Airways
Tue 12/3011:20 amSYD - BNA
1 stop22h 10mQantas Airways
Deal found 11/19$1,405
This Air Canada deal was found by Cheapflights users on 11/20. 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 12/13:45 pmBNA - SYD
2 stops46h 10mAir Canada
Sun 12/711:20 amSYD - BNA
2 stops44h 45mAir Canada
Deal found 11/20$1,443
This oojo deal was found by Cheapflights users on 11/19. 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.
Sun 11/237:00 amTYS - SYD
2 stops33h 45mAir New Zealand
Tue 11/257:15 pmSYD - TYS
2 stops40h 54mAir New Zealand
Deal found 11/19$1,550
This oojo deal was found by Cheapflights users on 11/19. 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.
Sun 11/236:25 amBNA - SYD
2 stops33h 20mAir New Zealand
Tue 11/257:15 pmSYD - BNA
2 stops44h 00mAir New Zealand
Deal found 11/19$1,550
This Mytrip deal was found by Cheapflights users on 11/20. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/247:00 amCVG - SYD
2 stops33h 45mAir New Zealand
Wed 11/2611:45 amSYD - CVG
2 stops39h 19mAir New Zealand
Deal found 11/20$1,567
This United Airlines deal was found by Cheapflights users on 11/19. 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 11/238:30 amBNA - SYD
1 stop31h 45mUnited Airlines
Tue 11/251:00 pmSYD - BNA
2 stops44h 05mUnited Airlines
Deal found 11/19$1,590

Cheap flight deals from Kentucky to Sydney

Keep the following information in mind while searching for Kentucky to Sydney flight deals. Data was last updated November 21, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$950
(oojo)

One-way from

$464
(Kiwi.com)

Popular in

December

Cheapest in

April

Average price

$1,142
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 Sydney Kingsford Smith
Search Deals
One-way flight from Kentucky to Sydney Kingsford Smith
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($216 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($40 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in November 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Kentucky to Sydney 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 November 21, 2025.
Use the filters below to find and compare flights from Kentucky to Sydney that are best for you.

Fly from

Kentucky

Fly to

Sydney

Route

Depart

Return

Price

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Mon 3/2

4:55 pm-8:50 pm

2 stops34h 55m

Sydney Kingsford Smith

Mon 3/16

11:20 am-4:41 pm

1 stop21h 21m

$972

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Sun 3/1

4:55 pm-8:50 pm

2 stops34h 55m

Sydney Kingsford Smith

Fri 3/6

11:20 am-4:46 pm

1 stop22h 26m

$972

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Fri 2/27

4:55 pm-9:00 am

1 stop23h 05m

Sydney Kingsford Smith

Tue 3/3

7:15 pm-4:46 pm

2 stops38h 31m

$1,002

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Tue 2/3

4:00 pm-9:35 am

2 stops24h 35m

Sydney Kingsford Smith

Wed 2/18

11:20 am-3:05 pm

2 stops44h 45m

$1,052

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Mon 11/24

12:35 pm-6:55 am

1 stop26h 20m

Sydney Kingsford Smith

Wed 11/26

2:05 pm-7:57 pm

1 stop21h 52m

$1,086

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Tue 5/12

3:40 pm-7:20 am

2 stops48h 40m

Sydney Kingsford Smith

Thu 5/28

9:20 am-7:42 pm

1 stop25h 22m

$1,087

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sun 2/1

5:00 pm-7:00 am

1 stop22h 00m

Sydney Kingsford Smith

Mon 2/9

11:50 am-3:47 pm

1 stop19h 57m

$1,161

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sun 2/1

4:34 pm-8:30 am

2 stops23h 56m

Sydney Kingsford Smith

Mon 2/9

2:15 pm-10:35 pm

2 stops24h 20m

$1,165

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sun 2/1

4:52 pm-6:55 am

1 stop22h 03m

Sydney Kingsford Smith

Mon 2/9

7:05 am-8:02 pm

2 stops28h 57m

$1,199

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Mon 1/19

6:45 am-9:05 am

2 stops34h 20m

Sydney Kingsford Smith

Thu 1/29

11:20 am-6:05 pm

2 stops22h 45m

$1,215

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/19

Showing 1-10 of 58 results
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Best time to book a flight from Kentucky to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney 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 Sydney

What is the cheapest month to book a flight from Kentucky to Sydney?

Currently, May is the cheapest month in which you can book a flight from Kentucky to Sydney (average of $748). Flying from Kentucky to Sydney in January is currently the most expensive (average of $1,079). 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 SYD?

Find hourly flight availability from Kentucky to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2025.

When flying from Kentucky to Sydney, the time of day you fly usually plays a role in the price. Save by searching for a flight at noon, which can drop the price by up to 23% versus a flight in the morning.

How much does it cost to fly round-trip from Kentucky to Sydney?

Related info for your journey

Find useful and relevant information for your journey from Kentucky to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Sydney from Kentucky?

    Sydney Kingsford Smith (SYD) is the airport you will fly into if you book a flight from Kentucky to Sydney. It is only a 4.6 mi journey from Kingsford Smith (SYD) to Sydney’s city center.

  • How long is the flight from Kentucky to Sydney?

    There are many flights that can get you from Kentucky to Sydney in 22h. Fly via Qantas Airways, United Airlines, or Delta to get the fastest option. The distance from Kentucky to Sydney is about 9357 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    The cheapest airlines for a one-way flight from Kentucky to Sydney are Air Canada ($516), American Airlines ($611), and Delta ($644).

  • What are the most popular routes from Kentucky to Sydney?

    When deciding which route to take from Kentucky to Sydney consider Cincinnati Cinci./N. Kentucky - Sydney Kingsford Smith, Nashville Intl - Sydney Kingsford Smith or Knoxville McGhee Tyson - Sydney Kingsford Smith as they are the most popular.

  • Can I find deals for flights from Kentucky to Sydney that include hotel bookings?

    Yes. In addition to deals on Kentucky to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Kentucky to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Kentucky to Sydney.

  • Can I find deals for business class flights from Kentucky to Sydney?

    Yes. Cheapflights offers flight deals from Kentucky to Sydney 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 Sydney?

    Currently, May is the cheapest month in which you can book a flight from Kentucky to Sydney (average of $748). Flying from Kentucky to Sydney in January is currently the most expensive (average of $1,079). 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

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Manly
Coogee

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Top 3 airlines flying from Kentucky to Sydney

Discover the top 3 airlines that operate flights from Kentucky to Sydney. 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 November 21, 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$921Average$1,206FlexibilityNo cancel feeOn-time69%
DeltaCheapest$979Average$1,338FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$1,392Average$1,498FlexibilityNo cancel feeOn-time71%

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