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Cheap flights from Kentucky to Sydney from $843

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 22/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
1 Sep — 8 Sep1
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 2 August 2026.

Sat 26/913:55
CVG
-
SYD
2 stops51h 25m
Air Canada
Mon 5/1010:20
SYD
-
CVG
2 stops49h 10m
Air Canada
Deal found 30/7$1,615
Mon 5/1013:55
CVG
-
SYD
2 stops51h 25m
Air Canada
Tue 13/1010:20
SYD
-
CVG
2 stops25h 10m
Air Canada
Deal found 30/7$1,619
Sat 17/1013:55
CVG
-
SYD
3 stops51h 25m
Air Canada
Mon 9/1111:20
SYD
-
CVG
2 stops46h 40m
Air Canada
Deal found 31/7$1,632
Wed 19/813:55
CVG
-
SYD
2 stops27h 25m
Air Canada
Fri 4/909:20
SYD
-
CVG
2 stops25h 10m
Air Canada
Deal found 31/7$1,669
Wed 19/815:35
SDF
-
SYD
2 stops25h 20m
United Airlines
Wed 26/809:30
SYD
-
SDF
2 stops26h 45m
United Airlines
Deal found 29/7$1,694
Sun 9/808:20
BNA
-
SYD
1 stop32h 00m
Air Canada
Tue 25/809:20
SYD
-
BNA
1 stop35h 51m
Air Canada
Deal found 29/7$1,696
Sun 2/818:50
BNA
-
SYD
1 stop21h 15m
Qantas Airways
Wed 12/809:10
SYD
-
BNA
1 stop22h 49m
Qantas Airways
Deal found 29/7$1,697
Tue 22/908:00
BNA
-
SYD
2 stops32h 20m
Air Canada
Tue 13/1010:20
SYD
-
BNA
2 stops26h 34m
Air Canada
Deal found 30/7$1,704
Wed 5/808:20
BNA
-
SYD
1 stop32h 00m
Air Canada
Mon 10/809:20
SYD
-
BNA
2 stops38h 58m
Air Canada
Deal found 30/7$1,706
Sat 8/818:35
BNA
-
SYD
2 stops45h 45m
Air Canada
Tue 18/809:20
SYD
-
BNA
1 stop35h 51m
Air Canada
Deal found 29/7$1,707
Mon 14/908:00
BNA
-
SYD
2 stops32h 20m
Air Canada
Mon 21/909:20
SYD
-
BNA
2 stops26h 34m
Air Canada
Deal found 31/7$1,709
Sat 26/918:35
BNA
-
SYD
2 stops45h 45m
Air Canada
Tue 20/1010:20
SYD
-
BNA
2 stops26h 34m
Air Canada
Deal found 31/7$1,710

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 2 August 2026.

Round-trip from

$1,615

One-way from

$843

Popular in

December

Cheapest in

August

Average price

$1,693
Air Canada
  • Air Canada
  • 26/9-5/10
  • 4 total stops
  • 100h 35m total
  • Kentucky to Sydney
Search Deals
Air Canada
  • Air Canada
  • 22/9
  • 2 total stops
  • 27h 25m total
  • Kentucky to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($222 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($77 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 2 August 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
Fastest return journey

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 1/12

15:50-07:00

1 stop23h 10m

Sydney Kingsford Smith

Tue 8/12

09:20-13:33

1 stop20h 13m

$1,858

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Tue 1/12

14:45-07:00

1 stop23h 15m

Sydney Kingsford Smith

Tue 29/12

09:20-22:04

1 stop29h 44m

$1,858

LexingtonSydney

LEX - SYD

LEXSYD

Lexington Blue Grass

Wed 16/9

13:36-07:05

2 stops27h 29m

Sydney Kingsford Smith

Wed 23/9

12:00-23:46

2 stops25h 46m

$1,859

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 14/9

09:45-06:50

2 stops31h 05m

Sydney Kingsford Smith

Mon 21/9

09:15-20:33

2 stops25h 18m

$1,865

LexingtonSydney

LEX - SYD

LEXSYD

Lexington Blue Grass

Sun 4/10

12:40-07:50

2 stops28h 10m

Sydney Kingsford Smith

Mon 19/10

10:15-19:13

2 stops23h 58m

$1,865

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Tue 1/12

08:00-08:30

2 stops31h 30m

Sydney Kingsford Smith

Tue 29/12

10:40-17:41

1 stop24h 01m

$1,865

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Mon 14/9

17:15-07:30

1 stop23h 15m

Sydney Kingsford Smith

Mon 21/9

09:10-15:52

1 stop21h 42m

$1,884

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Mon 14/9

15:26-06:50

1 stop24h 24m

Sydney Kingsford Smith

Mon 21/9

09:15-18:08

2 stops23h 53m

$1,892

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 27/1

07:05-07:00

1 stop31h 55m

Sydney Kingsford Smith

Sat 13/2

09:20-19:35

1 stop26h 15m

$1,929

EvansvilleSydney

EVV - SYD

EVVSYD

Evansville Dress Regional

Tue 1/9

12:20-07:30

2 stops28h 10m

Sydney Kingsford Smith

Thu 10/9

09:10-23:29

2 stops29h 19m

$1,930

Flights are sorted by cheapest return flights first.

Deals found on 28/7

Showing 1-10 of 55 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, June is the cheapest month in which you can book a flight from Kentucky to Sydney (average of $1,791). Flying from Kentucky to Sydney in March is currently the most expensive (average of $3,876). 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?

    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, American Airlines, and Delta can get you from Kentucky to Sydney in just under 23h 10m. Your travel time can differ by up to 7h 55m. The distance from Kentucky to Sydney is about 14948 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, Louisville Intl - Sydney Kingsford Smith and Lexington Blue Grass - 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, June is the cheapest month in which you can book a flight from Kentucky to Sydney (average of $1,791). Flying from Kentucky to Sydney in March is currently the most expensive (average of $3,876). 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
Lithgow
Cronulla
Randwick
Terrigal
Leura
Bondi Beach
Coogee

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

Deals for Kentucky to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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.

Can Cheapflights notify me if prices for flights from Kentucky to Sydney become cheaper?

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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