$650+ Cheap flights from Louisville (SDF) to Australia
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Nov 1 — Nov 81
Round-trip
1 adult, Economy
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Find cheap flights from Louisville 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
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Cheapest flights from Louisville to AustraliaExplore the most affordable flight options available from Louisville to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2026.
Explore the most affordable flight options available from Louisville to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 2, 2026.
This Expedia deal was found by Cheapflights users on 9/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:49 pm -
1 stop22h 06m
Mon 11/22:05 pm -
1 stop20h 04m
Deal found 9/28![Qantas Airways logo]()
$1,229
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Sun 10/259:10 am -
1 stop30h 50m
Mon 11/99:15 am -
1 stop20h 08m
Deal found 9/28![United Airlines logo]()
$1,231
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:00 am -
2 stops33h 40m
Wed 11/49:15 am -
1 stop27h 18m
Deal found 9/30![United Airlines logo]()
$1,238
This Delta deal was found by Cheapflights users on 10/1. 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 10/183:26 pm -
2 stops26h 24m
Mon 10/269:10 am -
2 stops26h 25m
Deal found 10/1![Delta logo]()
$1,242
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:59 pm -
2 stops26h 21m
Mon 11/210:40 am -
2 stops24h 30m
Deal found 9/28![Delta logo]()
$1,243
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:37 pm -
2 stops26h 38m
Tue 10/2711:45 am -
2 stops25h 45m
Deal found 10/1![United Airlines logo]()
$1,247
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/153:24 pm -
2 stops27h 06m
Sun 11/228:00 am -
2 stops52h 33m
Deal found 10/1![United Airlines logo]()
$1,256
This Delta deal was found by Cheapflights users on 10/1. 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.
Sat 10/175:59 pm -
2 stops47h 51m
Mon 10/269:10 am -
2 stops25h 00m
Deal found 10/1![Delta logo]()
$1,258
This Qantas Airways deal was found by Cheapflights users on 9/28. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:18 pm -
1 stop23h 37m
Mon 11/211:15 am -
2 stops22h 54m
Deal found 9/28![Multiple Airlines logo]()
$1,260
This Delta deal was found by Cheapflights users on 10/1. 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.
Fri 10/163:35 pm -
2 stops26h 15m
Mon 10/269:10 am -
2 stops25h 00m
Deal found 10/1![Delta logo]()
$1,292
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:25 am -
2 stops31h 50m
Sun 10/2511:45 am -
2 stops24h 07m
Deal found 10/1![United Airlines logo]()
$1,297
This oojo deal was found by Cheapflights users on 10/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:25 pm -
1 stop23h 35m
Sun 11/221:55 pm -
2 stops42h 07m
Deal found 10/1![Qantas Airways logo]()
$1,303
Best flights from Louisville to AustraliaDiscover carefully curated flight deals from Louisville to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2026.
Discover carefully curated flight deals from Louisville to Australia that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated October 2, 2026.
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Sun 10/259:10 am -
1 stop30h 50m
Mon 11/99:15 am -
1 stop20h 08m
Deal found 9/28![United Airlines logo]()
$1,231
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/126:42 am -
2 stops33h 18m
Thu 11/1910:10 am -
2 stops24h 01m
Deal found 9/28![Delta logo]()
$1,342
This FlightHub deal was found by Cheapflights users on 9/27. 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.
Sun 3/73:50 pm -
2 stops26h 45m
Sun 3/217:25 pm -
2 stops41h 05m
Deal found 9/27![Air New Zealand logo]()
$1,346
This Qantas Airways deal was found by Cheapflights users on 9/29. 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.
Fri 11/135:26 pm -
2 stops26h 39m
Fri 11/208:15 am -
3 stops25h 53m
Deal found 9/29![Multiple Airlines logo]()
$1,545
This Qantas Airways deal was found by Cheapflights users on 10/1. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/76:28 pm -
2 stops32h 32m
Thu 2/1111:10 pm -
2 stops29h 14m
Deal found 10/1![Qantas Airways logo]()
$1,848
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/133:24 pm -
2 stops27h 06m
Mon 11/3012:00 pm -
3 stops66h 17m
Deal found 9/30![United Airlines logo]()
$1,322
This United Airlines deal was found by Cheapflights users on 10/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:10 am -
2 stops31h 20m
Mon 11/2311:20 am -
2 stops26h 04m
Deal found 10/2![United Airlines logo]()
$1,340
This Delta deal was found by Cheapflights users on 10/1. 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.
Sat 12/266:53 am -
2 stops33h 07m
Sun 1/1710:10 am -
2 stops29h 52m
Deal found 10/1![Delta logo]()
$1,620
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/133:45 pm -
2 stops25h 45m
Fri 11/2012:45 pm -
2 stops25h 13m
Deal found 9/29![United Airlines logo]()
$1,347
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/163:37 pm -
2 stops25h 53m
Sun 11/111:30 am -
2 stops26h 28m
Deal found 9/27![United Airlines logo]()
$1,347
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/83:24 pm -
2 stops25h 56m
Thu 11/129:10 am -
1 stop28h 48m
Deal found 10/1![United Airlines logo]()
$1,556
This United Airlines deal was found by Cheapflights users on 9/29. 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 12/17:05 am -
1 stop31h 55m
Mon 12/79:15 am -
1 stop28h 44m
Deal found 9/29![United Airlines logo]()
$1,556
This United Airlines deal was found by Cheapflights users on 9/29. 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 11/710:37 am -
2 stops31h 53m
Wed 11/1111:30 am -
2 stops25h 03m
Deal found 9/29![United Airlines logo]()
$1,565
This BusinessClass deal was found by Cheapflights users on 9/29. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/93:50 pm -
2 stops36h 00m
Sun 3/216:50 pm -
2 stops38h 40m
Deal found 9/29![Air New Zealand logo]()
$2,801
This Air New Zealand deal was found by Cheapflights users on 9/29. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/93:50 pm -
2 stops36h 00m
Sun 3/216:50 pm -
3 stops41h 05m
Deal found 9/29![Multiple Airlines logo]()
$2,968
This SmartFares deal was found by Cheapflights users on 9/30. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/183:36 pm -
1 stop23h 54m
Thu 1/76:30 pm -
2 stops38h 28m
Deal found 9/30![Qantas Airways logo]()
$3,002
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/810:37 am -
2 stops31h 53m
Thu 11/1212:45 pm -
2 stops25h 39m
Deal found 10/1![United Airlines logo]()
$1,565
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Thu 11/123:24 pm -
3 stops32h 06m
Thu 11/1910:55 pm -
2 stops34h 38m
Deal found 9/28![United Airlines logo]()
$1,736
This Air New Zealand deal was found by Cheapflights users on 9/30. 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 New Zealand is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/183:35 pm -
2 stops27h 25m
Thu 1/77:50 pm -
3 stops38h 45m
Deal found 9/30![Multiple Airlines logo]()
$3,986
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/1810:17 am -
2 stops30h 13m
Thu 1/711:20 am -
2 stops23h 15m
Deal found 9/30![United Airlines logo]()
$2,856
Last-minute flights from Louisville to AustraliaDiscover last-minute flight deals from Louisville to Australia. Data last updated October 2, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Australia. Data last updated October 2, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 10/1. 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.
Fri 10/163:35 pm -
2 stops26h 15m
Mon 10/269:10 am -
2 stops25h 00m
Deal found 10/1![Delta logo]()
$1,292
This Delta deal was found by Cheapflights users on 10/1. 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.
Sat 10/175:59 pm -
2 stops47h 51m
Mon 10/269:10 am -
2 stops25h 00m
Deal found 10/1![Delta logo]()
$1,258
This Delta deal was found by Cheapflights users on 10/1. 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 10/183:26 pm -
2 stops26h 24m
Mon 10/269:10 am -
2 stops26h 25m
Deal found 10/1![Delta logo]()
$1,242
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/1810:25 am -
2 stops31h 50m
Sun 10/2511:45 am -
2 stops24h 07m
Deal found 10/1![United Airlines logo]()
$1,297
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:37 pm -
2 stops26h 38m
Tue 10/2711:45 am -
2 stops25h 45m
Deal found 10/1![United Airlines logo]()
$1,247
This United Airlines deal was found by Cheapflights users on 9/28. 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.
Sun 10/259:10 am -
1 stop30h 50m
Mon 11/99:15 am -
1 stop20h 08m
Deal found 9/28![United Airlines logo]()
$1,231
This Expedia deal was found by Cheapflights users on 9/28. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/265:49 pm -
1 stop22h 06m
Mon 11/22:05 pm -
1 stop20h 04m
Deal found 9/28![Qantas Airways logo]()
$1,229
This Delta deal was found by Cheapflights users on 9/28. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/261:59 pm -
2 stops26h 21m
Mon 11/210:40 am -
2 stops24h 30m
Deal found 9/28![Delta logo]()
$1,243
This Qantas Airways deal was found by Cheapflights users on 9/28. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/264:18 pm -
1 stop23h 37m
Mon 11/211:15 am -
2 stops22h 54m
Deal found 9/28![Multiple Airlines logo]()
$1,260
This United Airlines deal was found by Cheapflights users on 9/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:00 am -
2 stops33h 40m
Wed 11/49:15 am -
1 stop27h 18m
Deal found 9/30![United Airlines logo]()
$1,238
This United Airlines deal was found by Cheapflights users on 10/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/153:24 pm -
2 stops27h 06m
Sun 11/228:00 am -
2 stops52h 33m
Deal found 10/1![United Airlines logo]()
$1,256
This oojo deal was found by Cheapflights users on 10/1. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/151:25 pm -
1 stop23h 35m
Sun 11/221:55 pm -
2 stops42h 07m
Deal found 10/1![Qantas Airways logo]()
$1,303
One-way flights from Louisville to AustraliaSearch for one-way flight options from Louisville to Australia. Find affordable one-way fares based on user searches. Data last updated October 2, 2026.
Search for one-way flight options from Louisville to Australia. Find affordable one-way fares based on user searches. Data last updated October 2, 2026.
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/97:00 am -
2 stops34h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$650
This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/145:59 pm -
2 stops46h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Delta logo]()
$657
This United Airlines deal was found by Cheapflights users on 9/28. 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 10/315:57 pm -
2 stops49h 33m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![United Airlines logo]()
$672
This Delta deal was found by Cheapflights users on 9/27. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/137:59 pm -
2 stops68h 01m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Delta logo]()
$680
This oojo deal was found by Cheapflights users on 9/28. 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.
Sat 10/314:18 pm -
2 stops23h 32m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Qantas Airways logo]()
$685
This Qantas Airways deal was found by Cheapflights users on 9/28. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3112:46 pm -
3 stops27h 04m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/28![Multiple Airlines logo]()
$701
This Kiwi.com deal was found by Cheapflights users on 9/27. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:26 pm -
1 stop43h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Qantas Airways logo]()
$701
This Kiwi.com deal was found by Cheapflights users on 10/2. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:39 am -
2 stops50h 46m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![Multiple Airlines logo]()
$708
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:24 pm -
2 stops27h 06m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$710
This United Airlines deal was found by Cheapflights users on 10/2. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/169:10 am -
1 stop29h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 10/2![United Airlines logo]()
$716
This United deal was found by Cheapflights users on 9/27. 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 United is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/123:24 pm -
3 stops31h 51m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![Multiple Airlines logo]()
$723
This United Airlines deal was found by Cheapflights users on 9/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/138:00 am -
3 stops58h 35m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/27![United Airlines logo]()
$732
Find flight deals from Louisville to Australia
Keep the following information in mind while searching for Louisville to Australia flight deals. Data was last updated October 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,229 (Expedia) |
One-way from | $650 (United Airlines) |
Popular in | December |
Cheapest in | August |
Average price | $1,351 |
Cheapflights Fare Finder
Customize your flight search to find flights from Louisville 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 7,457,451 searches. Data last updated October 2, 2026.
Use the filters below to find and compare flights from Louisville to Australia that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
LouisvilleMelbourne
SDF Louisville Intl - MEL Melbourne
SDFMEL
Louisville Intl
Wed 11/11
9:10 am-10:30 am
2 stops33h 20m
Melbourne
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$650
LouisvilleMelbourne
SDF Louisville Intl - MEL Melbourne
SDFMEL
Louisville Intl
Sun 11/15
9:02 am-10:30 am
2 stops33h 28m
Melbourne
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$650
LouisvilleMelbourne
SDF Louisville Intl - MEL Melbourne
SDFMEL
Louisville Intl
Mon 11/9
7:00 am-9:30 am
2 stops34h 30m
Melbourne
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$650
LouisvilleMelbourne
SDF Louisville Intl - MEL Melbourne
SDFMEL
Louisville Intl
Sat 11/14
5:59 pm-8:00 am
2 stops46h 01m
Melbourne
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$657
LouisvilleMelbourne
SDF Louisville Intl - MEL Melbourne
SDFMEL
Louisville Intl
Sat 10/31
5:57 pm-10:30 am
2 stops49h 33m
Melbourne
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$672
Quickest round-trip
LouisvilleBrisbane
SDF Louisville Intl - BNE Brisbane
SDFBNE
Louisville Intl
Sat 10/31
4:18 pm-5:50 am
2 stops23h 32m
Brisbane
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$685
LouisvilleBrisbane
SDF Louisville Intl - BNE Brisbane
SDFBNE
Louisville Intl
Sat 10/31
12:46 pm-5:50 am
3 stops27h 04m
Brisbane
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$701
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Mon 11/16
11:39 am-6:25 am
2 stops50h 46m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$708
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Mon 11/16
9:10 am-7:00 am
1 stop29h 50m
Sydney Kingsford Smith
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$716
LouisvilleMelbourne
SDF Louisville Intl - MEL Melbourne
SDFMEL
Louisville Intl
Sat 11/14
3:24 pm-10:35 am
3 stops51h 11m
Melbourne
Wed 12/31
12:00 am-9:00 am
Nonstop0h 00m
$732
Showing 1-10 of 35 resultsSorted by cheapest first
Best time to book a flight from Louisville to Australia
Have a flexible travel schedule? Discover the best time to fly to Australia from Louisville with our price prediction graph.
SDF-SYD
SDF-MEL
SDF-BNE
SDF-PER
SDF-CBR
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 Louisville to Australia
SDF-AU0
SDF-SYD
SDF-MEL
SDF-BNE
SDF-PER
What is the cheapest month to book a flight from Louisville to Australia?
Currently, January is the cheapest month in which you can book a flight from Louisville to Australia (average of $1,210). Flying from Louisville to Australia in December is currently the most expensive (average of $1,804). 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.
Reviews of airlines servicing Australia
Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated October 2, 2026.
Read through reviews of airlines operating flights from Louisville to Australia, such as Delta and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Entertainment
7.8
Food
7.2
Boarding
8.1
Crew
8.5
Comfort
7.8
Overall
7.8
Reviews
1 / 20
4.0
OkayJennifer,Sep 2026
ORD - LGA
Related info for your journey
Find useful and relevant information for your journey from Louisville to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Louisville 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 Louisville to Australia by cabin class
Find flights from Louisville to Australia, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Louisville and Australia flights
Browse other Louisville and Australia flight options. Last updated on October 2, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Fly to Australia regions
Consider these flights traveling to Australia regions.
Top 2 airlines flying from Louisville to Australia
Discover the top 2 airlines that operate flights from Louisville 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 7,457,451 searches. Data last updated October 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$1,119 | Average$1,452 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,140 | Average$1,351 | FlexibilityNo cancel fee | On-timeN/A |