$653+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Thg. 5 11 — Thg. 5 181
Round-trip
1 adult, Economy
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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 Tháng Tư 11, 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 Tháng Tư 11, 2026.
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Th. 3 6/93:41 pm
SDF
- SYD
2 stops25h 14m
United Airlines
Th. 4 6/179:30 am
SYD
- SDF
2 stops24h 31m
United Airlines
Deal found 4/7![United Airlines logo]()
$1,330
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Th. 4 6/103:41 pm
SDF
- SYD
2 stops25h 14m
United Airlines
Th. 4 6/179:30 am
SYD
- SDF
2 stops24h 53m
United Airlines
Deal found 4/8![United Airlines logo]()
$1,331
This Delta deal was found by Cheapflights users on 4/7. 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.
Th. 6 10/162:15 pm
SDF
- SYD
2 stops26h 35m
Delta
Th. 6 10/309:40 am
SYD
- SDF
2 stops23h 32m
Delta
Deal found 4/7![Delta logo]()
$1,410
This Delta deal was found by Cheapflights users on 4/10. 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.
Th. 3 12/292:15 pm
SDF
- SYD
2 stops26h 15m
Delta
Th. 7 1/1610:40 am
SYD
- SDF
2 stops39h 14m
Delta
Deal found 4/10![Delta logo]()
$1,413
This Delta deal was found by Cheapflights users on 4/6. 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.
CN 4/196:00 am
SDF
- SYD
2 stops34h 50m
Delta
Th. 4 4/229:15 am
SYD
- SDF
2 stops23h 29m
Delta
Deal found 4/6![Delta logo]()
$1,418
This Delta deal was found by Cheapflights users on 4/8. 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.
Th. 3 4/216:00 am
SDF
- SYD
2 stops34h 50m
Delta
Th. 6 4/249:15 am
SYD
- SDF
2 stops28h 44m
Delta
Deal found 4/8![Delta logo]()
$1,419
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Th. 6 5/89:31 am
SDF
- SYD
2 stops36h 19m
Multiple Airlines
Th. 6 5/155:50 pm
SYD
- SDF
1 stop39h 36m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,478
This Delta deal was found by Cheapflights users on 4/7. 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.
Th. 4 6/248:11 am
SDF
- MEL
2 stops33h 39m
Delta
Th. 4 7/810:00 am
MEL
- SDF
2 stops27h 50m
Delta
Deal found 4/7![Delta logo]()
$1,490
This United Airlines deal was found by Cheapflights users on 4/8. 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.
Th. 4 6/243:25 pm
SDF
- MEL
2 stops26h 05m
United Airlines
Th. 4 7/810:55 am
MEL
- SDF
2 stops26h 04m
United Airlines
Deal found 4/8![United Airlines logo]()
$1,503
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Th. 3 12/299:32 am
SDF
- SYD
1 stop29h 28m
United Airlines
Th. 7 1/1611:50 am
SYD
- SDF
1 stop25h 40m
United Airlines
Deal found 4/10![United Airlines logo]()
$1,508
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Th. 6 10/163:50 pm
SDF
- SYD
2 stops25h 10m
United Airlines
Th. 6 10/3011:50 am
SYD
- SDF
1 stop22h 45m
United Airlines
Deal found 4/7![United Airlines logo]()
$1,510
This United Airlines deal was found by Cheapflights users on 4/6. 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.
Th. 7 10/173:20 pm
SDF
- MEL
2 stops26h 55m
United Airlines
Th. 4 10/2111:55 am
MEL
- SDF
2 stops23h 19m
United Airlines
Deal found 4/6![United Airlines logo]()
$1,511
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 Tháng Tư 11, 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 Tháng Tư 11, 2026.
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Th. 4 6/103:25 pm
SDF
- SYD
2 stops25h 30m
United Airlines
Th. 4 6/179:30 am
SYD
- SDF
2 stops24h 53m
United Airlines
Deal found 4/7![United Airlines logo]()
$1,330
This Delta deal was found by Cheapflights users on 4/8. 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.
Th. 6 5/82:34 pm
SDF
- SYD
2 stops26h 16m
Delta
Th. 6 5/159:15 am
SYD
- SDF
2 stops28h 37m
Delta
Deal found 4/8![Delta logo]()
$1,419
This Air New Zealand deal was found by Cheapflights users on 4/8. 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.
Th. 4 6/243:41 pm
SDF
- MEL
2 stops29h 14m
Multiple Airlines
Th. 4 7/812:10 pm
MEL
- SDF
3 stops34h 55m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,788
This KAYAK deal was found by Cheapflights users on 4/6. 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.
Th. 4 6/243:52 pm
SDF
- MEL
2 stops24h 53m
Qantas Airways
Th. 4 7/81:35 pm
MEL
- SDF
1 stop23h 41m
Qantas Airways
Deal found 4/6![Qantas Airways logo]()
$2,191
This Mytrip deal was found by Cheapflights users on 4/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Th. 3 5/266:00 am
SDF
- PER
3 stops45h 45m
Air Canada
Th. 3 6/23:30 pm
PER
- SDF
3 stops40h 53m
Air Canada
Deal found 4/10![Air Canada logo]()
$2,343
This Gotogate deal was found by Cheapflights users on 4/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Th. 3 5/262:46 pm
SDF
- PER
2 stops33h 29m
Qatar Airways
Th. 3 6/210:55 pm
PER
- SDF
2 stops35h 24m
Qatar Airways
Deal found 4/10![Qatar Airways logo]()
$2,518
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Th. 3 6/93:41 pm
SDF
- SYD
2 stops25h 14m
United Airlines
Th. 4 6/179:30 am
SYD
- SDF
2 stops24h 31m
United Airlines
Deal found 4/7![United Airlines logo]()
$1,330
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Th. 4 6/248:00 am
SDF
- MEL
3 stops33h 30m
United Airlines
Th. 4 7/810:55 am
MEL
- SDF
2 stops23h 28m
United Airlines
Deal found 4/10![United Airlines logo]()
$1,505
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Th. 4 5/63:37 pm
SDF
- MEL
2 stops25h 53m
United Airlines
CN 5/109:30 am
MEL
- SDF
2 stops27h 00m
United Airlines
Deal found 4/9![United Airlines logo]()
$1,512
This United Airlines deal was found by Cheapflights users on 4/10. 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.
Th. 4 5/63:37 pm
SDF
- SYD
2 stops25h 18m
United Airlines
CN 5/1010:20 am
SYD
- SDF
2 stops26h 10m
United Airlines
Deal found 4/10![United Airlines logo]()
$1,521
This United Airlines deal was found by Cheapflights users on 4/8. 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.
CN 5/248:00 am
SDF
- MEL
2 stops58h 15m
United Airlines
CN 5/3110:55 am
MEL
- SDF
2 stops23h 28m
United Airlines
Deal found 4/8![United Airlines logo]()
$1,529
This oojo deal was found by Cheapflights users on 4/7. 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.
Th. 4 6/247:45 pm
SDF
- AVV
2 stops28h 25m
Qantas Airways
Th. 4 7/86:00 am
AVV
- SDF
2 stops25h 30m
Qantas Airways
Deal found 4/7![Qantas Airways logo]()
$2,650
This Qatar Airways deal was found by Cheapflights users on 4/10. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Th. 3 5/266:51 am
SDF
- PER
2 stops41h 24m
Multiple Airlines
Th. 3 6/212:20 pm
PER
- SDF
3 stops45h 59m
Multiple Airlines
Deal found 4/10![Multiple Airlines logo]()
$2,818
This Qantas Airways deal was found by Cheapflights users on 4/8. 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.
Th. 5 4/308:10 pm
SDF
- AVV
2 stops28h 00m
Qantas Airways
Th. 2 5/46:00 am
AVV
- SDF
2 stops27h 24m
Qantas Airways
Deal found 4/8![Qantas Airways logo]()
$3,555
This oojo deal was found by Cheapflights users on 4/8. 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.
Th. 6 6/127:45 pm
SDF
- AVV
2 stops28h 25m
Qantas Airways
Th. 7 6/204:40 pm
AVV
- SDF
2 stops38h 52m
Qantas Airways
Deal found 4/8![Qantas Airways logo]()
$6,049
Last-minute flights from Louisville to AustraliaDiscover last-minute flight deals from Louisville to Australia. Data last updated Tháng Tư 11, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Australia. Data last updated Tháng Tư 11, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 4/6. 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.
CN 4/196:00 am
SDF
- SYD
2 stops34h 50m
Delta
Th. 4 4/229:15 am
SYD
- SDF
2 stops23h 29m
Delta
Deal found 4/6![Delta logo]()
$1,418
This Delta deal was found by Cheapflights users on 4/8. 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.
Th. 3 4/216:00 am
SDF
- SYD
2 stops34h 50m
Delta
Th. 6 4/249:15 am
SYD
- SDF
2 stops28h 44m
Delta
Deal found 4/8![Delta logo]()
$1,419
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Th. 4 4/226:00 am
SDF
- SYD
2 stops34h 55m
United Airlines
Th. 7 4/259:30 am
SYD
- SDF
2 stops24h 46m
United Airlines
Deal found 4/9![United Airlines logo]()
$1,889
This United Airlines deal was found by Cheapflights users on 4/9. 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.
Th. 4 5/63:37 pm
SDF
- MEL
2 stops25h 53m
United Airlines
CN 5/109:30 am
MEL
- SDF
2 stops27h 00m
United Airlines
Deal found 4/9![United Airlines logo]()
$1,512
This United Airlines deal was found by Cheapflights users on 4/7. 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.
Th. 4 5/63:37 pm
SDF
- SYD
2 stops25h 18m
United Airlines
CN 5/109:30 am
SYD
- SDF
2 stops26h 29m
United Airlines
Deal found 4/7![United Airlines logo]()
$1,518
This Air Canada deal was found by Cheapflights users on 4/8. 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.
Th. 4 5/610:06 am
SDF
- SYD
3 stops31h 14m
Air Canada
CN 5/109:20 am
SYD
- SDF
2 stops27h 10m
Air Canada
Deal found 4/8![Air Canada logo]()
$2,023
This Kiwi.com deal was found by Cheapflights users on 4/8. 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.
Th. 6 5/89:31 am
SDF
- SYD
2 stops36h 19m
Multiple Airlines
Th. 6 5/155:50 pm
SYD
- SDF
1 stop39h 36m
Multiple Airlines
Deal found 4/8![Multiple Airlines logo]()
$1,478
This United Airlines deal was found by Cheapflights users on 4/10. 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.
CN 5/109:10 am
SDF
- SYD
2 stops31h 45m
United Airlines
CN 5/1710:20 am
SYD
- SDF
2 stops23h 57m
United Airlines
Deal found 4/10![United Airlines logo]()
$1,333
This Kiwi.com deal was found by Cheapflights users on 4/7. 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.
Th. 7 5/239:21 am
SDF
- SYD
1 stop32h 09m
Multiple Airlines
Th. 7 5/309:05 am
SYD
- SDF
2 stops40h 49m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$2,076
This United Airlines deal was found by Cheapflights users on 4/8. 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.
CN 5/248:00 am
SDF
- MEL
2 stops58h 15m
United Airlines
CN 5/3110:55 am
MEL
- SDF
2 stops23h 28m
United Airlines
Deal found 4/8![United Airlines logo]()
$1,529
This Mytrip deal was found by Cheapflights users on 4/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Th. 3 5/266:00 am
SDF
- PER
3 stops45h 45m
Air Canada
Th. 3 6/23:30 pm
PER
- SDF
3 stops40h 53m
Air Canada
Deal found 4/10![Air Canada logo]()
$2,343
This Gotogate deal was found by Cheapflights users on 4/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Th. 3 5/262:46 pm
SDF
- PER
2 stops33h 29m
Qatar Airways
Th. 3 6/210:55 pm
PER
- SDF
2 stops35h 24m
Qatar Airways
Deal found 4/10![Qatar Airways logo]()
$2,518
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 Tháng Tư 11, 2026.
Search for one-way flight options from Louisville to Australia. Find affordable one-way fares based on user searches. Data last updated Tháng Tư 11, 2026.
This Delta deal was found by Cheapflights users on 4/7. 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.
Th. 7 5/1610:39 am
SDF
- SYD
2 stops30h 11m
Delta
Deal found 4/7![Delta logo]()
$653
This Kiwi.com deal was found by Cheapflights users on 4/9. 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.
Th. 2 5/189:31 am
SDF
- SYD
3 stops36h 34m
Multiple Airlines
Deal found 4/9![Multiple Airlines logo]()
$911
This Cathay Pacific deal was found by Cheapflights users on 4/7. 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.
Th. 7 5/167:55 pm
SDF
- SYD
3 stops45h 50m
Multiple Airlines
Deal found 4/7![Multiple Airlines logo]()
$1,467
This oojo deal was found by Cheapflights users on 4/9. 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.
Th. 2 5/187:55 pm
SDF
- SYD
1 stop21h 00m
Qantas Airways
Deal found 4/9![Qantas Airways logo]()
$1,661
This oojo deal was found by Cheapflights users on 4/6. 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.
Th. 7 5/167:55 pm
SDF
- SYD
1 stop21h 00m
Qantas Airways
Deal found 4/6![Qantas Airways logo]()
$1,725
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 Tháng Tư 11, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,330 (United Airlines) |
One-way from | $653 (Delta) |
Popular in | March |
Cheapest in | August |
Average price | $1,584 |
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 2,558,603 searches. Data last updated Tháng Tư 11, 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
LouisvilleSydney
SDF - SYD
SDFSYD
Louisville Intl
Th. 4 6/10
3:25 pm-6:55 am
2 stops25h 30m
Sydney Kingsford Smith
Th. 4 6/17
9:30 am-8:23 pm
2 stops24h 53m
$1,330
LouisvilleSydney
SDF - SYD
SDFSYD
Louisville Intl
Th. 3 6/9
3:41 pm-6:55 am
2 stops25h 14m
Sydney Kingsford Smith
Th. 4 6/17
9:30 am-8:01 pm
2 stops24h 31m
$1,330
LouisvilleSydney
SDF - SYD
SDFSYD
Louisville Intl
Th. 6 5/8
2:34 pm-6:50 am
2 stops26h 16m
Sydney Kingsford Smith
Th. 6 5/15
9:15 am-11:52 pm
2 stops28h 37m
$1,419
LouisvilleMelbourne
SDF - MEL
SDFMEL
Louisville Intl
Th. 4 6/24
8:00 am-7:30 am
3 stops33h 30m
Melbourne
Th. 4 7/8
10:55 am-8:23 pm
2 stops23h 28m
$1,505
LouisvilleMelbourne
SDF - MEL
SDFMEL
Louisville Intl
Th. 4 5/6
3:37 pm-7:30 am
2 stops25h 53m
Melbourne
CN 5/10
9:30 am-10:30 pm
2 stops27h 00m
$1,512
LouisvilleSydney
SDF - SYD
SDFSYD
Louisville Intl
Th. 4 5/6
3:37 pm-6:55 am
2 stops25h 18m
Sydney Kingsford Smith
CN 5/10
10:20 am-10:30 pm
2 stops26h 10m
$1,521
LouisvilleMelbourne
SDF - MEL
SDFMEL
Louisville Intl
CN 5/24
8:00 am-8:15 am
2 stops58h 15m
Melbourne
CN 5/31
10:55 am-8:23 pm
2 stops23h 28m
$1,529
LouisvilleMelbourne
SDF - MEL
SDFMEL
Louisville Intl
Th. 4 6/24
3:41 pm-10:55 am
2 stops29h 14m
Melbourne
Th. 4 7/8
12:10 pm-9:05 am
3 stops34h 55m
$1,788
Quickest round-trip
LouisvilleMelbourne
SDF - MEL
SDFMEL
Louisville Intl
Th. 4 6/24
3:52 pm-6:45 am
2 stops24h 53m
Melbourne
Th. 4 7/8
1:35 pm-11:16 pm
1 stop23h 41m
$2,191
LouisvillePerth
SDF - PER
SDFPER
Louisville Intl
Th. 3 5/26
6:00 am-3:45 pm
3 stops45h 45m
Perth
Th. 3 6/2
3:30 pm-8:23 pm
3 stops40h 53m
$2,343
Showing 1-10 of 19 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-PER
SDF-AVV
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-PER
SDF-AVV
No data available for this route at this time. Please check back soon.
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 Tháng Tư 11, 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.
Overall
7.9
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
Overall
7.9
Comfort
7.9
Boarding
8.1
Entertainment
7.8
Food
7.2
Crew
8.5
Reviews
1 / 20
6.0
GoodJim,Nov 2025
AVL - ATL
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Alternative routes for Louisville to Australia
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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 Tháng Tư 11, 2026.
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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 2,558,603 searches. Data last updated Tháng Tư 11, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$973 | Average$1,484 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$985 | Average$1,351 | FlexibilityNo cancel fee | On-timeN/A |