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Cheap flights from Kentucky to Sydney from $646

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 19/4. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
16 Apr — 23 Apr1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Kentucky to Sydney

Enter your travel dates to find the best prices.

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 17 March 2026.

Sun 3/513:55
CVG
-
SYD
2 stops27h 25m
Air Canada
Tue 12/509:20
SYD
-
CVG
2 stops41h 53m
Air Canada
Deal found 16/3$1,391
Sun 12/417:05
CVG
-
SYD
2 stops48h 15m
Air Canada
Sun 19/409:20
SYD
-
CVG
2 stops45h 03m
Air Canada
Deal found 13/3$1,399
Wed 22/411:39
CVG
-
SYD
2 stops29h 41m
Multiple Airlines
Wed 29/409:20
SYD
-
CVG
2 stops45h 03m
Multiple Airlines
Deal found 12/3$1,406
Sun 10/513:55
CVG
-
SYD
2 stops27h 25m
Air Canada
Sat 16/509:20
SYD
-
CVG
2 stops41h 53m
Air Canada
Deal found 17/3$1,408
Sun 26/713:55
CVG
-
SYD
2 stops27h 25m
Air Canada
Sun 2/809:20
SYD
-
CVG
2 stops41h 54m
Air Canada
Deal found 12/3$1,410
Thu 30/417:05
CVG
-
SYD
2 stops48h 15m
Air Canada
Wed 13/509:20
SYD
-
CVG
2 stops41h 53m
Air Canada
Deal found 17/3$1,415
Sat 5/913:55
CVG
-
SYD
2 stops51h 25m
Air Canada
Sun 13/909:20
SYD
-
CVG
2 stops25h 10m
Air Canada
Deal found 16/3$1,425
Wed 29/415:26
CVG
-
SYD
2 stops25h 54m
Multiple Airlines
Wed 6/509:20
SYD
-
CVG
2 stops41h 53m
Multiple Airlines
Deal found 14/3$1,426
Thu 14/513:55
CVG
-
SYD
2 stops27h 25m
Air Canada
Sun 17/509:20
SYD
-
CVG
2 stops41h 53m
Air Canada
Deal found 17/3$1,429
Fri 23/1014:15
CVG
-
SYD
2 stops51h 20m
Air Canada
Sat 7/1111:20
SYD
-
CVG
2 stops46h 40m
Air Canada
Deal found 16/3$1,432
Sun 3/508:20
BNA
-
SYD
1 stop32h 00m
Air Canada
Tue 19/509:20
SYD
-
BNA
1 stop25h 30m
Air Canada
Deal found 16/3$1,529
Mon 27/408:10
BNA
-
SYD
2 stops32h 10m
Air Canada
Mon 4/509:20
SYD
-
BNA
2 stops39h 14m
Air Canada
Deal found 13/3$1,543

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 17 March 2026.

Round-trip from

$1,391

One-way from

$646

Popular in

March

Cheapest in

November

Average price

$2,898
Air Canada
  • Air Canada
  • 3/5-12/5
  • 4 total stops
  • 69h 18m total
  • Kentucky to Sydney
Search Deals
Air Canada
  • Air Canada
  • 19/4
  • 2 total stops
  • 48h 15m total
  • Kentucky to Sydney
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($398 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($103 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 17 March 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 return flight

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sat 4/4

17:05-07:20

2 stops48h 15m

Sydney Kingsford Smith

Sat 25/4

09:20-16:23

1 stop45h 03m

$1,456

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 10/6

15:25-06:55

2 stops25h 30m

Sydney Kingsford Smith

Wed 17/6

09:30-20:01

2 stops24h 31m

$1,670

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 29/4

15:36-07:00

2 stops25h 24m

Sydney Kingsford Smith

Wed 6/5

09:30-20:00

2 stops24h 30m

$1,670

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 27/4

13:55-06:55

2 stops27h 00m

Sydney Kingsford Smith

Mon 4/5

09:30-18:35

2 stops23h 05m

$1,670

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

15:25-06:55

2 stops25h 30m

Sydney Kingsford Smith

Wed 17/6

10:20-20:23

2 stops24h 03m

$1,670

LexingtonSydney

LEX - SYD

LEXSYD

Lexington Blue Grass

Sun 14/6

13:55-07:00

2 stops27h 05m

Sydney Kingsford Smith

Tue 23/6

10:20-09:16

2 stops36h 56m

$1,670

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sun 14/6

17:00-07:00

2 stops24h 00m

Sydney Kingsford Smith

Tue 23/6

09:30-08:32

2 stops37h 02m

$1,670

LexingtonSydney

LEX - SYD

LEXSYD

Lexington Blue Grass

Thu 30/4

14:19-06:50

2 stops26h 31m

Sydney Kingsford Smith

Thu 7/5

09:15-23:59

2 stops28h 44m

$1,794

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sun 12/4

06:18-06:50

1 stop34h 32m

Sydney Kingsford Smith

Sun 19/4

09:15-05:00

1 stop33h 45m

$1,804

LexingtonSydney

LEX - SYD

LEXSYD

Lexington Blue Grass

Fri 1/5

10:53-06:50

2 stops29h 57m

Sydney Kingsford Smith

Fri 8/5

09:15-23:59

2 stops28h 44m

$1,862

Flights are sorted by cheapest return flights first.

Deals found on 16/3

Showing 1-10 of 56 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 return 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 $1,055). Flying from Kentucky to Sydney in April is currently the most expensive (average of $1,939). 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.

How much does it cost for a return flight 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?

    If you book a flight to Sydney from Kentucky, you will be flying to Kingsford Smith, which is the city’s only airport. Sydney Kingsford Smith (SYD) is located 7.5 km from the centre of Sydney.

  • How long is the flight from Kentucky to Sydney?

    United Airlines, Delta, and Air New Zealand can get you from Kentucky to Sydney in just under 26h 31m. Your travel time can differ by up to 6h 44m. The distance from Kentucky to Sydney is about 15041 km. Both multi-stop and direct flights can be found to your destination and back.

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

    The most popular flight routes from Kentucky to Sydney are Nashville Intl - Sydney Kingsford Smith, Cincinnati Cinci./N. Kentucky - Sydney Kingsford Smith and Louisville Intl - Sydney Kingsford Smith.

  • 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 holiday 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 $1,055). Flying from Kentucky to Sydney in April is currently the most expensive (average of $1,939). 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

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Katoomba
Manly
Terrigal
Lithgow
Bondi Beach
Coogee
Cronulla
Leura
Randwick

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How does Cheapflights help users find flights from Kentucky to Sydney?

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Why should you use Cheapflights to find cheap flight tickets from Kentucky to Sydney?

Cheapflights simply makes it quick and affordable to book flights from Kentucky to Sydney by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Kentucky to Sydney with no change fees?

Yes, we can. To see specific flights from Kentucky to Sydney with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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Not ready to book yet? You can track prices for flights from Kentucky to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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