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$593+ 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 10/13. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Aug 31 — Sep 71
Mon 8/31
Mon 9/7
1 adult, Economy
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Cheap 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 August 1, 2026.

This Air Canada deal was found by Cheapflights users on 7/30. 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 7/30$1,136
This Air Canada deal was found by Cheapflights users on 7/30. 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 10/51:55 pm
CVG
-
SYD
2 stops51h 25m
Air Canada
Tue 10/1310:20 am
SYD
-
CVG
2 stops25h 10m
Air Canada
Deal found 7/30$1,139
This FlightHub deal was found by Cheapflights users on 7/27. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/106:40 pm
CVG
-
SYD
2 stops46h 55m
Air Canada
Tue 11/2411:20 am
SYD
-
CVG
3 stops41h 47m
Air Canada
Deal found 7/27$1,142
This Air Canada deal was found by Cheapflights users on 7/31. 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 7/31$1,148
This Air Canada deal was found by Cheapflights users on 7/31. 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.
Wed 8/191:55 pm
CVG
-
SYD
2 stops27h 25m
Air Canada
Fri 9/49:20 am
SYD
-
CVG
2 stops25h 10m
Air Canada
Deal found 7/31$1,174
This United Airlines deal was found by Cheapflights users on 7/29. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/193:35 pm
SDF
-
SYD
2 stops25h 20m
United Airlines
Wed 8/269:30 am
SYD
-
SDF
2 stops26h 45m
United Airlines
Deal found 7/29$1,192
This oojo deal was found by Cheapflights users on 7/27. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/26:50 pm
BNA
-
SYD
1 stop21h 15m
Qantas Airways
Wed 8/129:10 am
SYD
-
BNA
1 stop22h 49m
Qantas Airways
Deal found 7/27$1,193
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/98:15 am
BNA
-
SYD
2 stops32h 05m
Air Canada
Tue 8/259:20 am
SYD
-
BNA
1 stop35h 51m
Air Canada
Deal found 7/29$1,196
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Tue 9/228:00 am
BNA
-
SYD
2 stops32h 20m
Air Canada
Tue 10/1310:20 am
SYD
-
BNA
2 stops26h 34m
Air Canada
Deal found 7/30$1,199
This Air Canada deal was found by Cheapflights users on 7/30. 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.
Wed 8/58:20 am
BNA
-
SYD
1 stop32h 00m
Air Canada
Mon 8/109:20 am
SYD
-
BNA
2 stops38h 58m
Air Canada
Deal found 7/30$1,200
This Air Canada deal was found by Cheapflights users on 7/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/86:35 pm
BNA
-
SYD
2 stops45h 45m
Air Canada
Tue 8/189:20 am
SYD
-
BNA
1 stop35h 51m
Air Canada
Deal found 7/29$1,201
This Air Canada deal was found by Cheapflights users on 7/31. 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 9/148:00 am
BNA
-
SYD
2 stops32h 20m
Air Canada
Mon 9/219:20 am
SYD
-
BNA
2 stops26h 34m
Air Canada
Deal found 7/31$1,202

Find flight deals from Kentucky to Sydney

Keep the following information in mind while searching for Kentucky to Sydney flight deals. Data was last updated August 1, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,136
(Air Canada)

One-way from

$593
(Expedia)

Popular in

December

Cheapest in

August

Average price

$1,191
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. 7% potential increase in price ($111 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($38 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in August 2026
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 August 1, 2026.
Use the filters below to find and compare flights from Kentucky to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sun 11/8

6:40 pm-9:35 am

2 stops46h 55m

Sydney Kingsford Smith

Sat 11/14

11:20 am-6:00 pm

2 stops46h 40m

$1,184

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Wed 10/28

8:55 am-8:35 am

3 stops32h 40m

Sydney Kingsford Smith

Sun 11/1

11:20 am-2:07 pm

3 stops41h 47m

$1,245
Quickest round-trip

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 12/1

3:50 pm-7:00 am

1 stop23h 10m

Sydney Kingsford Smith

Tue 12/8

9:20 am-1:33 pm

1 stop20h 13m

$1,307

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Tue 12/1

3:25 pm-8:30 am

1 stop24h 05m

Sydney Kingsford Smith

Tue 12/29

2:15 pm-5:41 pm

1 stop20h 26m

$1,307

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Tue 12/1

10:30 am-7:00 am

1 stop27h 30m

Sydney Kingsford Smith

Wed 2/24

11:50 am-4:38 pm

1 stop21h 48m

$1,307

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Tue 12/1

2:45 pm-7:00 am

1 stop23h 15m

Sydney Kingsford Smith

Tue 12/29

9:20 am-10:04 pm

1 stop29h 44m

$1,307

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Tue 11/17

4:45 pm-7:00 am

1 stop21h 15m

Sydney Kingsford Smith

Tue 11/24

11:20 am-5:24 pm

2 stops23h 04m

$1,311

BlountvilleSydney

TRI - SYD

TRISYD

Blountville Tri Cities TN/VA

Wed 9/9

1:25 pm-6:50 am

2 stops27h 25m

Sydney Kingsford Smith

Tue 9/22

9:15 am-10:20 pm

2 stops27h 05m

$1,312

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Mon 10/26

6:45 pm-8:40 am

2 stops45h 55m

Sydney Kingsford Smith

Thu 10/29

11:50 am-7:03 pm

1 stop23h 13m

$1,318

BlountvilleSydney

TRI - SYD

TRISYD

Blountville Tri Cities TN/VA

Wed 9/9

5:31 pm-6:55 am

1 stop23h 24m

Sydney Kingsford Smith

Tue 9/22

12:00 pm-10:49 pm

1 stop24h 49m

$1,324

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/28

Showing 1-10 of 52 resultsSorted by cheapest first
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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, June is the cheapest month in which you can book a flight from Kentucky to Sydney (average of $1,260). Flying from Kentucky to Sydney in March is currently the most expensive (average of $2,727). 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 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 23h 10m. Fly via Air Canada, United Airlines, or Delta to get the fastest option. The distance from Kentucky to Sydney is about 9288 mi. Both multi-stop and nonstop flights can be found to your destination and back.

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

    When deciding which route to take from Kentucky to Sydney consider Nashville Intl - Sydney Kingsford Smith, Cincinnati Cinci./N. Kentucky - Sydney Kingsford Smith or Lexington Blue Grass - 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, June is the cheapest month in which you can book a flight from Kentucky to Sydney (average of $1,260). Flying from Kentucky to Sydney in March is currently the most expensive (average of $2,727). 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
Coogee
Manly

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Kentucky to Sydney

Discover the top 4 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 August 1, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$662Average$1,351FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$933Average$1,473FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$1,263Average$1,618FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$1,302Average$1,498FlexibilityNo cancel feeOn-time71%

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