$607+ Cheap flights from Louisville (SDF) 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 9/29. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Oct 2 — Oct 91
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 September 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 September 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/31. 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 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
Mon 11/3012:45 pm -
2 stops49h 12m
Deal found 8/31![United Airlines logo]()
$1,202
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Mon 10/123:37 pm -
2 stops26h 38m
Mon 10/1911:55 am -
2 stops23h 36m
Deal found 8/28![United Airlines logo]()
$1,266
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/210:25 am -
2 stops30h 35m
Wed 10/1410:30 am -
2 stops24h 25m
Deal found 8/30![United Airlines logo]()
$1,365
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/29:04 am -
2 stops31h 56m
Thu 10/1511:20 am -
2 stops23h 35m
Deal found 8/30![United Airlines logo]()
$1,415
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:36 pm -
2 stops49h 19m
Sat 10/2410:30 am -
2 stops26h 40m
Deal found 8/31![United Airlines logo]()
$1,487
This Delta deal was found by Cheapflights users on 8/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
2 stops34h 50m
Mon 10/1210:15 am -
2 stops28h 44m
Deal found 8/29![Delta logo]()
$1,490
This Delta deal was found by Cheapflights users on 9/2. 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 9/23:25 pm -
2 stops25h 25m
Fri 10/29:15 am -
2 stops28h 44m
Deal found 9/2![Delta logo]()
$1,515
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Sun 11/89:10 am -
1 stop29h 50m
Thu 11/129:20 am -
1 stop20h 03m
Deal found 8/30![United Airlines logo]()
$1,518
This Cathay Pacific deal was found by Cheapflights users on 9/2. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:53 pm -
2 stops36h 17m
Mon 9/149:55 pm -
2 stops38h 38m
Deal found 9/2![Multiple Airlines logo]()
$1,525
This United Airlines deal was found by Cheapflights users on 8/28. 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 11/810:37 am -
2 stops31h 53m
Thu 11/1212:45 pm -
2 stops25h 39m
Deal found 8/28![United Airlines logo]()
$1,527
This oojo deal was found by Cheapflights users on 8/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:48 pm -
2 stops26h 17m
Wed 10/141:00 pm -
1 stop23h 25m
Deal found 8/30![Qantas Airways logo]()
$1,536
This United Airlines deal was found by Cheapflights users on 8/30. 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.
Tue 11/243:45 pm -
1 stop23h 15m
Sun 11/2911:20 am -
2 stops51h 05m
Deal found 8/30![United Airlines logo]()
$1,541
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 September 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 September 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/30. 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 stops26h 06m
Mon 11/3012:45 pm -
2 stops49h 12m
Deal found 8/30![United Airlines logo]()
$1,235
This oojo deal was found by Cheapflights users on 8/31. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/197:05 am -
2 stops33h 50m
Tue 2/28:15 am -
2 stops29h 15m
Deal found 8/31![Air New Zealand logo]()
$1,322
This Delta deal was found by Cheapflights users on 8/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
2 stops34h 50m
Mon 10/1210:15 am -
2 stops28h 44m
Deal found 8/29![Delta logo]()
$1,490
This Cathay Pacific deal was found by Cheapflights users on 8/29. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:46 pm -
2 stops40h 59m
Mon 10/126:15 pm -
3 stops42h 20m
Deal found 8/29![Multiple Airlines logo]()
$1,564
This oojo deal was found by Cheapflights users on 8/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/1911:51 am -
2 stops40h 49m
Tue 2/22:50 pm -
2 stops43h 38m
Deal found 8/30![Qantas Airways logo]()
$1,848
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Mon 10/123:37 pm -
2 stops26h 38m
Mon 10/1911:55 am -
2 stops23h 36m
Deal found 8/28![United Airlines logo]()
$1,266
This United Airlines deal was found by Cheapflights users on 9/2. 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.
Tue 1/199:32 am -
2 stops32h 58m
Tue 2/212:45 pm -
2 stops40h 48m
Deal found 9/2![United Airlines logo]()
$1,339
This Cathay Pacific deal was found by Cheapflights users on 8/30. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/27:03 am -
2 stops38h 42m
Wed 10/146:45 pm -
3 stops41h 50m
Deal found 8/30![Multiple Airlines logo]()
$1,565
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:36 pm -
2 stops49h 19m
Sat 10/2410:30 am -
2 stops26h 40m
Deal found 8/31![United Airlines logo]()
$1,487
This Cathay Pacific deal was found by Cheapflights users on 8/28. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/127:27 pm -
2 stops44h 28m
Mon 10/192:20 pm -
3 stops46h 15m
Deal found 8/28![Multiple Airlines logo]()
$1,652
This Qantas Airways deal was found by Cheapflights users on 8/28. 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.
Sun 2/76:21 pm -
2 stops32h 39m
Thu 2/1111:10 pm -
2 stops29h 14m
Deal found 8/28![Qantas Airways logo]()
$1,848
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/89:10 am -
1 stop29h 50m
Thu 11/129:20 am -
1 stop20h 03m
Deal found 8/31![United Airlines logo]()
$1,518
This Air New Zealand deal was found by Cheapflights users on 8/29. 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 1/193:50 pm -
2 stops25h 05m
Tue 2/28:15 am -
3 stops31h 55m
Deal found 8/29![Multiple Airlines logo]()
$1,704
This United Airlines deal was found by Cheapflights users on 8/30. 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 9/301:50 pm -
2 stops27h 10m
Tue 10/610:30 am -
2 stops24h 25m
Deal found 8/30![United Airlines logo]()
$1,523
This United Airlines deal was found by Cheapflights users on 8/28. 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 11/810:37 am -
2 stops31h 53m
Thu 11/1212:45 pm -
2 stops25h 39m
Deal found 8/28![United Airlines logo]()
$1,527
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am -
2 stops33h 55m
Thu 10/2210:30 am -
2 stops24h 25m
Deal found 8/31![United Airlines logo]()
$1,552
This Qantas Airways deal was found by Cheapflights users on 8/28. 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.
Sun 2/147:13 pm -
2 stops33h 27m
Thu 2/189:15 pm -
2 stops34h 09m
Deal found 8/28![Qantas Airways logo]()
$3,065
This United Airlines deal was found by Cheapflights users on 9/1. 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 2/73:50 pm -
2 stops30h 30m
Thu 2/1110:30 pm -
3 stops52h 57m
Deal found 9/1![United Airlines logo]()
$2,472
This oojo deal was found by Cheapflights users on 9/1. 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.
Mon 9/145:59 pm -
2 stops30h 11m
Fri 9/186:00 am -
2 stops25h 19m
Deal found 9/1![Qantas Airways logo]()
$7,537
Last-minute flights from Louisville to AustraliaDiscover last-minute flight deals from Louisville to Australia. Data last updated September 2, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Australia. Data last updated September 2, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/2. 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 9/23:25 pm -
2 stops25h 25m
Fri 10/29:15 am -
2 stops28h 44m
Deal found 9/2![Delta logo]()
$1,515
This Cathay Pacific deal was found by Cheapflights users on 9/2. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/65:53 pm -
2 stops36h 17m
Mon 9/149:55 pm -
2 stops38h 38m
Deal found 9/2![Multiple Airlines logo]()
$1,525
This Delta deal was found by Cheapflights users on 8/31. 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 9/1411:04 am -
2 stops29h 46m
Thu 9/179:15 am -
2 stops25h 18m
Deal found 8/31![Delta logo]()
$1,523
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/210:25 am -
2 stops30h 35m
Wed 10/1410:30 am -
2 stops24h 25m
Deal found 8/30![United Airlines logo]()
$1,365
This United Airlines deal was found by Cheapflights users on 8/30. 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 10/29:04 am -
2 stops31h 56m
Thu 10/1511:20 am -
2 stops23h 35m
Deal found 8/30![United Airlines logo]()
$1,415
This oojo deal was found by Cheapflights users on 8/30. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/22:48 pm -
2 stops26h 17m
Wed 10/141:00 pm -
1 stop23h 25m
Deal found 8/30![Qantas Airways logo]()
$1,536
This Delta deal was found by Cheapflights users on 8/29. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/56:00 am -
2 stops34h 50m
Mon 10/1210:15 am -
2 stops28h 44m
Deal found 8/29![Delta logo]()
$1,490
This KAYAK deal was found by Cheapflights users on 8/29. 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.
Mon 10/56:14 am -
2 stops47h 31m
Mon 10/1210:20 pm -
2 stops38h 15m
Deal found 8/29![Cathay Pacific logo]()
$1,518
This Cathay Pacific deal was found by Cheapflights users on 8/29. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/512:46 pm -
2 stops40h 59m
Mon 10/126:15 pm -
3 stops42h 20m
Deal found 8/29![Multiple Airlines logo]()
$1,564
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/103:36 pm -
2 stops49h 19m
Sat 10/2410:30 am -
2 stops26h 40m
Deal found 8/31![United Airlines logo]()
$1,487
This United Airlines deal was found by Cheapflights users on 8/28. 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.
Mon 10/123:37 pm -
2 stops26h 38m
Mon 10/1911:55 am -
2 stops23h 36m
Deal found 8/28![United Airlines logo]()
$1,266
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:00 am -
2 stops33h 55m
Thu 10/2210:30 am -
2 stops24h 25m
Deal found 8/31![United Airlines logo]()
$1,552
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 September 2, 2026.
Search for one-way flight options from Louisville to Australia. Find affordable one-way fares based on user searches. Data last updated September 2, 2026.
This United Airlines deal was found by Cheapflights users on 8/31. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:04 am -
2 stops33h 11m
Deal found 8/31![United Airlines logo]()
$607
This Bravofly deal was found by Cheapflights users on 8/31. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/295:59 pm -
2 stops38h 51m
Deal found 8/31![Multiple Airlines logo]()
$868
This Qantas Airways deal was found by Cheapflights users on 8/31. 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.
Tue 9/295:59 pm -
3 stops32h 11m
Deal found 8/31![Qantas Airways logo]()
$1,017
This Cathay Pacific deal was found by Cheapflights users on 8/31. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/3010:29 am -
3 stops40h 21m
Deal found 8/31![Multiple Airlines logo]()
$1,060
This United Airlines deal was found by Cheapflights users on 8/29. 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 12/153:20 pm -
2 stops25h 45m
Deal found 8/29![United Airlines logo]()
$1,124
This Trip.com deal was found by Cheapflights users on 8/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/131:25 pm -
1 stop25h 30m
Deal found 8/29![Qantas Airways logo]()
$1,184
This Cathay Pacific deal was found by Cheapflights users on 8/29. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/1310:13 am -
3 stops37h 42m
Deal found 8/29![Multiple Airlines logo]()
$1,428
This Bravofly deal was found by Cheapflights users on 8/29. 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 Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/145:26 pm -
1 stop21h 29m
Deal found 8/29![Qantas Airways logo]()
$1,514
This oojo deal was found by Cheapflights users on 8/29. 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.
Tue 12/155:26 pm -
1 stop21h 29m
Deal found 8/29![Qantas Airways logo]()
$1,535
This Air Canada deal was found by Cheapflights users on 8/29. 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.
Mon 12/1410:45 am -
3 stops30h 50m
Deal found 8/29![Multiple Airlines logo]()
$1,574
This Qantas Airways deal was found by Cheapflights users on 8/29. 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.
Tue 12/1510:53 am -
3 stops27h 32m
Deal found 8/29![Multiple Airlines logo]()
$1,580
This Kiwi.com deal was found by Cheapflights users on 8/31. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/306:30 am -
3 stops37h 15m
Deal found 8/31![Multiple Airlines logo]()
$1,722
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 September 2, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,202 (United Airlines) |
One-way from | $607 (United Airlines) |
Popular in | December |
Cheapest in | August |
Average price | $1,523 |
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 September 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
Fri 11/13
3:24 pm-9:30 am
2 stops26h 06m
Melbourne
Mon 11/30
12:45 pm-9:57 pm
2 stops49h 12m
$1,235
LouisvilleMelbourne
SDF Louisville Intl - MEL Melbourne
SDFMEL
Louisville Intl
Mon 10/12
3:37 pm-9:15 am
2 stops26h 38m
Melbourne
Mon 10/19
11:55 am-8:31 pm
2 stops23h 36m
$1,266
LouisvilleMelbourne
SDF Louisville Intl - MEL Melbourne
SDFMEL
Louisville Intl
Tue 1/19
7:05 am-8:55 am
2 stops33h 50m
Melbourne
Tue 2/2
8:15 am-9:30 pm
2 stops29h 15m
$1,322
LouisvilleMelbourne
SDF Louisville Intl - MEL Melbourne
SDFMEL
Louisville Intl
Tue 1/19
9:32 am-10:30 am
2 stops32h 58m
Melbourne
Tue 2/2
12:45 pm-1:33 pm
2 stops40h 48m
$1,339
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Sat 10/10
3:36 pm-7:55 am
2 stops49h 19m
Sydney Kingsford Smith
Sat 10/24
10:30 am-10:10 pm
2 stops26h 40m
$1,487
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Mon 10/5
6:00 am-7:50 am
2 stops34h 50m
Sydney Kingsford Smith
Mon 10/12
10:15 am-11:59 pm
2 stops28h 44m
$1,490
Quickest round-trip
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Sun 11/8
9:10 am-7:00 am
1 stop29h 50m
Sydney Kingsford Smith
Thu 11/12
9:20 am-1:23 pm
1 stop20h 03m
$1,518
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Wed 9/30
1:50 pm-7:00 am
2 stops27h 10m
Sydney Kingsford Smith
Tue 10/6
10:30 am-7:55 pm
2 stops24h 25m
$1,523
LouisvilleMelbourne
SDF Louisville Intl - MEL Melbourne
SDFMEL
Louisville Intl
Sun 11/8
10:37 am-10:30 am
2 stops31h 53m
Melbourne
Thu 11/12
12:45 pm-10:24 pm
2 stops25h 39m
$1,527
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Thu 10/15
7:00 am-7:55 am
2 stops33h 55m
Sydney Kingsford Smith
Thu 10/22
10:30 am-7:55 pm
2 stops24h 25m
$1,552
Showing 1-10 of 32 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-MEL
SDF-SYD
SDF-AVV
SDF-PER
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-MEL
SDF-SYD
SDF-AVV
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 September 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.
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
Boarding
8.1
Comfort
7.8
Entertainment
7.8
Overall
7.8
Crew
8.5
Food
7.2
Reviews
1 / 20
8.0
ExcellentJorge,Aug 2026
TPA - ATL
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.
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.
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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 September 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 September 2, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$982 | Average$1,414 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$1,140 | Average$1,351 | FlexibilityNo cancel fee | On-timeN/A |