$593+ 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 9/22. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Sep 1 — Sep 81
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
Find cheap flights from Kentucky to Australia with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Kentucky to Australia
Cheapest
Best
Last-minute
One-way
Cheapest flights from Kentucky to AustraliaExplore 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 August 2, 2026.
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 August 2, 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![Air Canada logo]()
$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![Air Canada logo]()
$1,139
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![Air Canada logo]()
$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![Air Canada logo]()
$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![United Airlines logo]()
$1,192
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 8/98:20 am
BNA
- SYD
1 stop32h 00m
Air Canada
Tue 8/259:20 am
SYD
- BNA
1 stop35h 51m
Air Canada
Deal found 7/29![Air Canada logo]()
$1,193
This oojo 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 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 7/29![Qantas Airways logo]()
$1,194
This Priceline deal was found by Cheapflights users on 8/1. 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.
Wed 9/169:00 am
CVG
- MEL
3 stops36h 05m
Air Canada
Wed 9/236:00 am
MEL
- CVG
3 stops47h 53m
Air Canada
Deal found 8/1![Air Canada logo]()
$1,197
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![Air Canada logo]()
$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![Air Canada logo]()
$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![Air Canada logo]()
$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![Air Canada logo]()
$1,202
Best flights from Kentucky to AustraliaDiscover carefully curated flight deals from Kentucky to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
Discover carefully curated flight deals from Kentucky to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 2, 2026.
This Air Canada deal was found by Cheapflights users on 7/28. 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.
Mon 9/71:55 pm
CVG
- SYD
2 stops51h 25m
Air Canada
Mon 9/149:20 am
SYD
- CVG
2 stops25h 10m
Air Canada
Deal found 7/28![Air Canada logo]()
$1,136
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.
Fri 8/212:54 pm
BNA
- MEL
1 stop26h 21m
United Airlines
Tue 9/110:55 am
MEL
- BNA
1 stop23h 05m
United Airlines
Deal found 7/29![United Airlines logo]()
$1,212
This American Airlines deal was found by Cheapflights users on 8/1. 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.
Wed 9/163:07 pm
CVG
- MEL
2 stops25h 38m
American Airlines
Wed 9/231:35 pm
MEL
- CVG
2 stops24h 02m
American Airlines
Deal found 8/1![American Airlines logo]()
$1,244
This Air Canada deal was found by Cheapflights users on 7/28. 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.
Thu 10/159:00 am
CVG
- MEL
3 stops36h 05m
Multiple Airlines
Mon 10/197:00 am
MEL
- CVG
3 stops47h 53m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,245
This Delta deal was found by Cheapflights users on 8/2. 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 9/163:26 pm
BNA
- MEL
1 stop25h 24m
Delta
Wed 9/2310:00 am
MEL
- BNA
1 stop26h 01m
Delta
Deal found 8/2![Delta logo]()
$1,257
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:15 pm
BNA
- SYD
1 stop23h 15m
Qantas Airways
Mon 9/219:10 am
SYD
- BNA
1 stop21h 42m
Qantas Airways
Deal found 7/31![Qantas Airways logo]()
$1,325
This KAYAK 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/29:09 am
BNA
- PER
2 stops32h 41m
Cathay Pacific
Thu 10/1512:10 am
PER
- BNA
2 stops36h 24m
Cathay Pacific
Deal found 7/29![Cathay Pacific logo]()
$1,820
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/297:25 pm
BNA
- PER
2 stops33h 20m
Qatar Airways
Sun 2/1410:45 pm
PER
- BNA
2 stops53h 21m
Qatar Airways
Deal found 7/31![Qatar Airways logo]()
$1,934
This Air Canada deal was found by Cheapflights users on 7/28. 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 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 7/28![Air Canada logo]()
$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.
Sun 9/61:55 pm
CVG
- SYD
2 stops27h 25m
Air Canada
Sun 9/209:20 am
SYD
- CVG
2 stops49h 10m
Air Canada
Deal found 7/30![Air Canada logo]()
$1,136
This American 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/1011:58 am
CVG
- MEL
2 stops26h 02m
American Airlines
Sat 10/172:35 pm
MEL
- CVG
2 stops24h 51m
American Airlines
Deal found 7/29![American Airlines logo]()
$1,294
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.
Tue 12/12:45 pm
BNA
- SYD
1 stop23h 15m
United Airlines
Tue 12/299:20 am
SYD
- BNA
1 stop29h 44m
United Airlines
Deal found 7/29![United Airlines logo]()
$1,307
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:45 am
SDF
- SYD
2 stops31h 05m
Delta
Mon 9/219:15 am
SYD
- SDF
2 stops25h 18m
Delta
Deal found 7/30![Delta logo]()
$1,312
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 9/59:00 am
CVG
- MEL
3 stops36h 20m
Multiple Airlines
Sun 9/139:00 pm
MEL
- CVG
3 stops38h 23m
Multiple Airlines
Deal found 7/30![Multiple Airlines logo]()
$1,381
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/145:59 pm
SDF
- SYD
1 stop22h 56m
Qantas Airways
Mon 9/2110:05 am
SYD
- SDF
2 stops25h 38m
Qantas Airways
Deal found 7/30![Qantas Airways logo]()
$1,394
This Delta deal was found by Cheapflights users on 8/1. 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.
Sun 10/412:40 pm
LEX
- SYD
2 stops28h 10m
Delta
Mon 10/1910:15 am
SYD
- LEX
2 stops23h 58m
Delta
Deal found 8/1![Delta logo]()
$1,312
This Priceline deal was found by Cheapflights users on 8/1. 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.
Wed 9/169:00 am
CVG
- MEL
3 stops36h 05m
Air Canada
Wed 9/236:00 am
MEL
- CVG
3 stops47h 53m
Air Canada
Deal found 8/1![Air Canada logo]()
$1,197
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/129:15 am
LEX
- SYD
2 stops55h 45m
United Airlines
Mon 9/2110:20 am
SYD
- LEX
2 stops24h 08m
United Airlines
Deal found 7/28![United Airlines logo]()
$1,328
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/197:03 pm
SDF
- SYD
1 stop21h 52m
Multiple Airlines
Wed 8/2610:30 am
SYD
- SDF
2 stops25h 47m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$1,394
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/111:36 pm
LEX
- SYD
2 stops26h 49m
American Airlines
Fri 9/1812:00 pm
SYD
- LEX
1 stop20h 30m
American Airlines
Deal found 7/30![American Airlines logo]()
$1,408
This Delta deal was found by Cheapflights users on 8/2. 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.
Tue 12/13:25 pm
BNA
- SYD
1 stop24h 05m
Delta
Wed 2/2410:40 am
SYD
- BNA
1 stop22h 21m
Delta
Deal found 8/2![Delta logo]()
$1,327
This Qantas Airways 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:54 pm
LEX
- SYD
2 stops30h 56m
Qantas Airways
Sun 11/82:05 pm
SYD
- LEX
1 stop21h 11m
Qantas Airways
Deal found 7/31![Qantas Airways logo]()
$1,469
This Travelocity 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 8/286:20 am
CVG
- SYD
2 stops35h 00m
Air Canada
Fri 9/49:20 am
SYD
- CVG
3 stops40h 06m
Air Canada
Deal found 7/29![Air Canada logo]()
$1,217
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 9/166:30 pm
BNA
- SYD
1 stop21h 25m
United Airlines
Thu 10/110:20 am
SYD
- BNA
1 stop22h 42m
United Airlines
Deal found 7/29![United Airlines logo]()
$1,357
This Air Canada deal was found by Cheapflights users on 7/28. 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 9/59:00 am
CVG
- MEL
3 stops36h 20m
Multiple Airlines
Fri 9/116:00 am
MEL
- CVG
3 stops47h 53m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$1,400
This Delta deal was found by Cheapflights users on 8/1. 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.
Tue 12/13:25 pm
BNA
- SYD
1 stop24h 05m
Delta
Tue 12/292:15 pm
SYD
- BNA
1 stop20h 26m
Delta
Deal found 8/1![Delta logo]()
$1,327
This American Airlines deal was found by Cheapflights users on 7/28. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/151:50 pm
CVG
- MEL
2 stops25h 55m
American Airlines
Mon 10/199:45 am
MEL
- CVG
2 stops26h 35m
American Airlines
Deal found 7/28![American Airlines logo]()
$1,502
This United Airlines deal was found by Cheapflights users on 7/28. 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 9/2610:42 am
TYS
- SYD
2 stops54h 18m
United Airlines
Thu 10/810:30 am
SYD
- TYS
2 stops26h 44m
United Airlines
Deal found 7/28![United Airlines logo]()
$1,378
This Air Canada deal was found by Cheapflights users on 7/28. 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.
Wed 8/196:20 am
CVG
- SYD
2 stops35h 00m
Air Canada
Sun 8/239:20 am
SYD
- CVG
2 stops41h 54m
Air Canada
Deal found 7/28![Air Canada logo]()
$1,255
This Qantas Airways deal was found by Cheapflights users on 8/2. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/55:29 pm
SDF
- SYD
2 stops26h 16m
Qantas Airways
Wed 8/1212:00 pm
SYD
- SDF
1 stop20h 18m
Qantas Airways
Deal found 8/2![Qantas Airways logo]()
$1,565
Last-minute flights from Kentucky to AustraliaDiscover last-minute flight deals from Kentucky to Australia. Data last updated August 2, 2026 and is based on user searches.
Discover last-minute flight deals from Kentucky to Australia. Data last updated August 2, 2026 and is based on user searches.
This oojo 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 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 7/29![Qantas Airways logo]()
$1,194
This American Airlines deal was found by Cheapflights users on 8/2. 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.
Mon 8/32:06 pm
CVG
- SYD
2 stops26h 49m
American Airlines
Mon 8/109:10 am
SYD
- CVG
2 stops26h 08m
American Airlines
Deal found 8/2![American Airlines logo]()
$1,188
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.
Mon 8/35:00 pm
CVG
- SYD
2 stops23h 55m
United Airlines
Mon 8/1010:20 am
SYD
- CVG
3 stops27h 32m
United Airlines
Deal found 7/29![United Airlines logo]()
$1,192
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![Air Canada logo]()
$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![Air Canada logo]()
$1,201
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 8/98:20 am
BNA
- SYD
1 stop32h 00m
Air Canada
Tue 8/259:20 am
SYD
- BNA
1 stop35h 51m
Air Canada
Deal found 7/29![Air Canada logo]()
$1,193
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![Air Canada logo]()
$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![United Airlines logo]()
$1,192
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.
Fri 8/211:55 pm
CVG
- SYD
2 stops51h 25m
Air Canada
Fri 9/49:20 am
SYD
- CVG
2 stops25h 10m
Air Canada
Deal found 7/29![Air Canada logo]()
$1,211
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.
Fri 8/212:54 pm
BNA
- MEL
1 stop26h 21m
United Airlines
Tue 9/110:55 am
MEL
- BNA
1 stop23h 05m
United Airlines
Deal found 7/29![United Airlines logo]()
$1,212
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.
Sun 8/236:30 pm
BNA
- MEL
1 stop22h 45m
United Airlines
Tue 9/110:00 am
MEL
- BNA
3 stops49h 58m
United Airlines
Deal found 7/29![United Airlines logo]()
$1,226
This Justfly.com 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/279:00 am
CVG
- SYD
2 stops32h 20m
Air Canada
Fri 9/119:20 am
SYD
- CVG
3 stops41h 49m
Air Canada
Deal found 7/30![Air Canada logo]()
$1,217
One-way flights from Kentucky to AustraliaSearch for one-way flight options from Kentucky to Australia. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
Search for one-way flight options from Kentucky to Australia. Find affordable one-way fares based on user searches. Data last updated August 2, 2026.
This Expedia deal was found by Cheapflights users on 8/1. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/221:55 pm
CVG
- SYD
2 stops27h 25m
Air Canada
Deal found 8/1![Air Canada logo]()
$593
This Orbitz 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 8/251:55 pm
CVG
- SYD
2 stops51h 25m
Air Canada
Deal found 7/29![Air Canada logo]()
$623
This oojo deal was found by Cheapflights users on 7/28. 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 8/246:22 pm
BNA
- SYD
1 stop22h 08m
Qantas Airways
Deal found 7/28![Qantas Airways logo]()
$630
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.
Wed 8/261:55 pm
CVG
- SYD
3 stops51h 25m
Air Canada
Deal found 7/29![Air Canada logo]()
$631
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 9/27:00 am
CVG
- MEL
2 stops34h 30m
United Airlines
Deal found 7/29![United Airlines logo]()
$636
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/144:55 pm
BNA
- MEL
1 stop21h 05m
American Airlines
Deal found 7/31![American Airlines logo]()
$646
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.
Sat 8/153:25 pm
SDF
- SYD
2 stops49h 35m
United Airlines
Deal found 7/29![United Airlines logo]()
$647
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/118:32 pm
BNA
- SYD
3 stops55h 38m
Multiple Airlines
Deal found 7/29![Multiple Airlines logo]()
$658
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/142:29 pm
BNA
- MEL
2 stops26h 21m
Delta
Deal found 7/31![Delta logo]()
$662
This American Airlines deal was found by Cheapflights users on 8/1. 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 9/225:17 pm
CVG
- SYD
1 stop23h 38m
American Airlines
Deal found 8/1![American Airlines logo]()
$672
This Ovago deal was found by Cheapflights users on 7/28. 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.
Tue 10/139:00 am
CVG
- SYD
1 stop32h 20m
Asiana Airlines
Deal found 7/28![Asiana Airlines logo]()
$678
This Kiwi.com deal was found by Cheapflights users on 7/28. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 8/2411:12 am
BNA
- SYD
2 stops29h 18m
Multiple Airlines
Deal found 7/28![Multiple Airlines logo]()
$682
Find flight deals from Kentucky to Australia
Keep the following information in mind while searching for Kentucky to Australia flight deals. Data was last updated August 2, 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 |
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 August 2, 2026.
Use the filters below to find and compare flights from Kentucky to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
CincinnatiSydney
CVG - SYD
CVGSYD
Cincinnati Cinci./N. Kentucky
Mon 9/7
1:55 pm-7:20 am
2 stops51h 25m
Sydney Kingsford Smith
Mon 9/14
9:20 am-8:30 pm
2 stops25h 10m
$1,136
CincinnatiSydney
CVG - SYD
CVGSYD
Cincinnati Cinci./N. Kentucky
Sat 9/26
1:55 pm-7:20 am
2 stops51h 25m
Sydney Kingsford Smith
Mon 10/5
10:20 am-8:30 pm
2 stops49h 10m
$1,136
CincinnatiSydney
CVG - SYD
CVGSYD
Cincinnati Cinci./N. Kentucky
Sun 9/6
1:55 pm-7:20 am
2 stops27h 25m
Sydney Kingsford Smith
Sun 9/20
9:20 am-8:30 pm
2 stops49h 10m
$1,136
CincinnatiMelbourne
CVG - MEL
CVGMEL
Cincinnati Cinci./N. Kentucky
Wed 9/16
9:00 am-11:05 am
3 stops36h 05m
Melbourne
Wed 9/23
6:00 am-3:53 pm
3 stops47h 53m
$1,197
NashvilleMelbourne
BNA - MEL
BNAMEL
Nashville Intl
Fri 8/21
2:54 pm-8:15 am
1 stop26h 21m
Melbourne
Tue 9/1
10:55 am-7:00 pm
1 stop23h 05m
$1,212
CincinnatiSydney
CVG - SYD
CVGSYD
Cincinnati Cinci./N. Kentucky
Fri 8/28
6:20 am-7:20 am
2 stops35h 00m
Sydney Kingsford Smith
Fri 9/4
9:20 am-11:26 am
3 stops40h 06m
$1,217
CincinnatiMelbourne
CVG - MEL
CVGMEL
Cincinnati Cinci./N. Kentucky
Wed 9/16
3:07 pm-6:45 am
2 stops25h 38m
Melbourne
Wed 9/23
1:35 pm-11:37 pm
2 stops24h 02m
$1,244
CincinnatiMelbourne
CVG - MEL
CVGMEL
Cincinnati Cinci./N. Kentucky
Thu 10/15
9:00 am-12:05 pm
3 stops36h 05m
Melbourne
Mon 10/19
7:00 am-3:53 pm
3 stops47h 53m
$1,245
CincinnatiSydney
CVG - SYD
CVGSYD
Cincinnati Cinci./N. Kentucky
Wed 8/19
6:20 am-7:20 am
2 stops35h 00m
Sydney Kingsford Smith
Sun 8/23
9:20 am-1:14 pm
2 stops41h 54m
$1,255
NashvilleMelbourne
BNA - MEL
BNAMEL
Nashville Intl
Wed 9/16
3:26 pm-7:50 am
1 stop25h 24m
Melbourne
Wed 9/23
10:00 am-9:01 pm
1 stop26h 01m
$1,257
Showing 1-10 of 60 resultsSorted by cheapest first
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.
CVG-SYD
SDF-SYD
BNA-SYD
BNA-MEL
CVG-MEL
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
USKY-AU0
CVG-SYD
SDF-SYD
BNA-SYD
BNA-MEL
What is the cheapest month to book a flight from Kentucky to Australia?
Currently, August is the cheapest month in which you can book a flight from Kentucky to Australia (average of $1,263). Flying from Kentucky to Australia in December is currently the most expensive (average of $1,783). 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 Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Alternative routes
Complete your trip
Flights by cabin class
Other flight options
Popular flights
Return Flight Options
Top destinations
Top regions
Alternative routes for Kentucky to Australia
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Australia by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Kentucky to Australia by cabin class
Find flights from Kentucky to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Kentucky and Australia flights
Browse other Kentucky and Australia flight options. Last updated on August 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Australia
Find the right flight back to Kentucky after your stay in Australia
Kentucky to Australia flights
Consider these flights traveling from Kentucky to Australia.
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 4 airlines flying from Kentucky to Australia
Discover the top 4 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 August 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$662 | Average$1,351 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$933 | Average$1,364 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,084 | Average$1,379 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$1,263 | Average$1,572 | FlexibilityNo cancel fee | On-time74% |