$714+ 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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
Jul 4 — Jul 111
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 June 4, 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 June 4, 2026.
This KAYAK deal was found by Cheapflights users on 6/3. 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.
Wed 6/243:25 pm
SDF
- MEL
2 stops26h 05m
Air New Zealand
Wed 7/89:30 am
MEL
- SDF
2 stops27h 29m
Air New Zealand
Deal found 6/3![Air New Zealand logo]()
$1,096
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Wed 6/249:30 am
SDF
- MEL
2 stops32h 45m
United Airlines
Wed 7/810:55 am
MEL
- SDF
2 stops27h 04m
United Airlines
Deal found 6/2![United Airlines logo]()
$1,097
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:46 pm
SDF
- MEL
2 stops46h 04m
Delta
Wed 9/3010:00 am
MEL
- SDF
2 stops25h 12m
Delta
Deal found 6/3![Delta logo]()
$1,116
This United Airlines deal was found by Cheapflights users on 6/3. 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 7/38:00 am
SDF
- MEL
3 stops33h 30m
United Airlines
Thu 7/910:10 am
MEL
- SDF
3 stops66h 18m
United Airlines
Deal found 6/3![United Airlines logo]()
$1,130
This United Airlines deal was found by Cheapflights users on 6/3. 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 9/223:25 pm
SDF
- MEL
2 stops26h 50m
United Airlines
Wed 9/3010:55 am
MEL
- SDF
2 stops27h 04m
United Airlines
Deal found 6/3![United Airlines logo]()
$1,282
This KAYAK deal was found by Cheapflights users on 6/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/93:41 pm
SDF
- SYD
2 stops25h 19m
Air New Zealand
Wed 6/179:30 am
SYD
- SDF
2 stops23h 30m
Air New Zealand
Deal found 6/2![Air New Zealand logo]()
$1,295
This United Airlines deal was found by Cheapflights users on 6/3. 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 6/98:00 am
SDF
- SYD
3 stops33h 00m
United Airlines
Wed 6/179:30 am
SYD
- SDF
2 stops23h 30m
United Airlines
Deal found 6/3![United Airlines logo]()
$1,297
This KAYAK deal was found by Cheapflights users on 5/31. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/273:25 pm
SDF
- SYD
2 stops25h 35m
Air New Zealand
Thu 9/39:30 am
SYD
- SDF
2 stops25h 06m
Air New Zealand
Deal found 5/31![Air New Zealand logo]()
$1,391
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Sat 6/69:00 am
SDF
- SYD
2 stops31h 55m
United Airlines
Sat 6/1310:20 am
SYD
- SDF
2 stops22h 40m
United Airlines
Deal found 6/1![United Airlines logo]()
$1,392
This KAYAK deal was found by Cheapflights users on 6/1. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/268:00 am
SDF
- SYD
2 stops32h 55m
Air New Zealand
Sat 9/59:30 am
SYD
- SDF
2 stops24h 29m
Air New Zealand
Deal found 6/1![Air New Zealand logo]()
$1,402
This United Airlines deal was found by Cheapflights users on 5/31. 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.
Wed 8/268:00 am
SDF
- SYD
2 stops32h 55m
United Airlines
Sat 9/510:20 am
SYD
- SDF
2 stops24h 16m
United Airlines
Deal found 5/31![United Airlines logo]()
$1,403
This United Airlines deal was found by Cheapflights users on 5/31. 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 7/147:55 pm
SDF
- MEL
2 stops46h 20m
United Airlines
Tue 7/2110:00 am
MEL
- SDF
3 stops66h 28m
United Airlines
Deal found 5/31![United Airlines logo]()
$1,457
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 June 4, 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 June 4, 2026.
This KAYAK deal was found by Cheapflights users on 5/30. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/243:25 pm
SDF
- MEL
2 stops26h 05m
Air New Zealand
Wed 7/89:30 am
MEL
- SDF
2 stops26h 45m
Air New Zealand
Deal found 5/30![Air New Zealand logo]()
$1,096
This United Airlines deal was found by Cheapflights users on 5/30. 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 6/248:00 am
SDF
- MEL
3 stops33h 30m
United Airlines
Wed 7/89:30 am
MEL
- SDF
2 stops26h 45m
United Airlines
Deal found 5/30![United Airlines logo]()
$1,097
This Delta deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/227:46 pm
SDF
- MEL
2 stops46h 04m
Delta
Wed 9/3010:00 am
MEL
- SDF
2 stops25h 12m
Delta
Deal found 6/3![Delta logo]()
$1,116
This Cathay Pacific deal was found by Cheapflights users on 6/2. 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.
Thu 8/2711:04 am
SDF
- SYD
3 stops42h 36m
Multiple Airlines
Thu 9/37:40 am
SYD
- SDF
2 stops29h 37m
Multiple Airlines
Deal found 6/2![Multiple Airlines logo]()
$1,879
This KAYAK deal was found by Cheapflights users on 6/3. 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.
Sun 9/131:22 pm
SDF
- SYD
1 stop27h 33m
Qantas Airways
Wed 9/2312:00 pm
SYD
- SDF
1 stop23h 43m
Qantas Airways
Deal found 6/3![Qantas Airways logo]()
$1,906
This United Airlines deal was found by Cheapflights users on 6/3. 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 7/38:00 am
SDF
- MEL
3 stops33h 30m
United Airlines
Thu 7/910:10 am
MEL
- SDF
3 stops66h 18m
United Airlines
Deal found 6/3![United Airlines logo]()
$1,130
This Qatar Airways deal was found by Cheapflights users on 6/3. 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.
Sat 8/221:19 pm
SDF
- PER
2 stops41h 16m
Qatar Airways
Wed 8/2610:45 pm
PER
- SDF
2 stops34h 40m
Qatar Airways
Deal found 6/3![Qatar Airways logo]()
$2,780
This KAYAK deal was found by Cheapflights users on 6/3. 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.
Sun 9/133:25 pm
SDF
- SYD
2 stops25h 30m
Air New Zealand
Wed 9/2310:20 am
SYD
- SDF
2 stops24h 12m
Air New Zealand
Deal found 6/3![Air New Zealand logo]()
$1,464
This United Airlines deal was found by Cheapflights users on 5/31. 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.
Wed 8/268:00 am
SDF
- SYD
2 stops32h 55m
United Airlines
Sat 9/510:20 am
SYD
- SDF
2 stops24h 16m
United Airlines
Deal found 5/31![United Airlines logo]()
$1,403
This United Airlines deal was found by Cheapflights users on 5/31. 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 7/147:55 pm
SDF
- MEL
2 stops46h 20m
United Airlines
Tue 7/2110:00 am
MEL
- SDF
3 stops66h 28m
United Airlines
Deal found 5/31![United Airlines logo]()
$1,457
This Cathay Pacific deal was found by Cheapflights users on 6/1. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 8/267:03 pm
SDF
- SYD
2 stops35h 07m
Multiple Airlines
Sat 9/55:55 pm
SYD
- SDF
3 stops43h 22m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$1,945
This United Airlines deal was found by Cheapflights users on 5/30. 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 7/147:15 am
SDF
- SYD
2 stops33h 40m
United Airlines
Tue 7/219:30 am
SYD
- SDF
2 stops26h 45m
United Airlines
Deal found 5/30![United Airlines logo]()
$1,476
This BusinessClass deal was found by Cheapflights users on 6/3. 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.
Wed 8/263:35 pm
SDF
- SYD
2 stops29h 05m
Air New Zealand
Sat 9/510:20 am
SYD
- SDF
1 stop42h 09m
Air New Zealand
Deal found 6/3![Air New Zealand logo]()
$1,820
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Fri 9/181:46 pm
SDF
- MEL
2 stops28h 29m
United Airlines
Tue 9/2210:00 am
MEL
- SDF
3 stops66h 23m
United Airlines
Deal found 6/1![United Airlines logo]()
$1,495
This United Airlines deal was found by Cheapflights users on 6/3. 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 7/303:41 pm
SDF
- MEL
2 stops26h 34m
United Airlines
Sun 8/29:30 am
MEL
- SDF
2 stops26h 45m
United Airlines
Deal found 6/3![United Airlines logo]()
$1,515
This oojo deal was found by Cheapflights users on 6/3. 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 9/225:59 pm
SDF
- AVV
2 stops32h 06m
Qantas Airways
Wed 9/306:00 am
AVV
- SDF
2 stops25h 19m
Qantas Airways
Deal found 6/3![Qantas Airways logo]()
$2,557
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Sat 6/276:15 am
SDF
- MEL
2 stops36h 00m
United Airlines
Wed 7/110:55 am
MEL
- SDF
2 stops26h 04m
United Airlines
Deal found 6/1![United Airlines logo]()
$1,632
This Ovago deal was found by Cheapflights users on 6/2. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/247:45 pm
SDF
- AVV
2 stops28h 25m
Qantas Airways
Wed 7/86:00 am
AVV
- SDF
2 stops31h 46m
Qantas Airways
Deal found 6/2![Qantas Airways logo]()
$3,095
This United Airlines deal was found by Cheapflights users on 5/30. 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 11/47:05 am
SDF
- PER
2 stops39h 15m
United Airlines
Sun 11/810:55 pm
PER
- SDF
2 stops35h 35m
United Airlines
Deal found 5/30![United Airlines logo]()
$1,813
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Thu 7/168:00 am
SDF
- SYD
2 stops32h 55m
United Airlines
Thu 7/239:30 am
SYD
- SDF
2 stops23h 26m
United Airlines
Deal found 6/1![United Airlines logo]()
$1,827
This oojo deal was found by Cheapflights users on 6/1. 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.
Sat 6/277:48 pm
SDF
- AVV
2 stops28h 22m
Qantas Airways
Wed 7/16:00 am
AVV
- SDF
2 stops25h 32m
Qantas Airways
Deal found 6/1![Qantas Airways logo]()
$4,127
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Thu 7/168:00 am
SDF
- PER
3 stops42h 40m
United Airlines
Thu 7/2310:40 pm
PER
- SDF
3 stops51h 48m
United Airlines
Deal found 6/1![United Airlines logo]()
$2,515
Last-minute flights from Louisville to AustraliaDiscover last-minute flight deals from Louisville to Australia. Data last updated June 4, 2026 and is based on user searches.
Discover last-minute flight deals from Louisville to Australia. Data last updated June 4, 2026 and is based on user searches.
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Sat 6/68:00 am
SDF
- SYD
3 stops33h 00m
United Airlines
Sat 6/139:30 am
SYD
- SDF
2 stops23h 30m
United Airlines
Deal found 6/1![United Airlines logo]()
$1,392
This KAYAK deal was found by Cheapflights users on 6/2. 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 KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/93:41 pm
SDF
- SYD
2 stops25h 19m
Air New Zealand
Wed 6/179:30 am
SYD
- SDF
2 stops23h 30m
Air New Zealand
Deal found 6/2![Air New Zealand logo]()
$1,295
This United Airlines deal was found by Cheapflights users on 6/3. 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 6/98:00 am
SDF
- SYD
3 stops33h 00m
United Airlines
Wed 6/179:30 am
SYD
- SDF
2 stops23h 30m
United Airlines
Deal found 6/3![United Airlines logo]()
$1,297
This KAYAK deal was found by Cheapflights users on 6/3. 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.
Wed 6/243:25 pm
SDF
- MEL
2 stops26h 05m
Air New Zealand
Wed 7/89:30 am
MEL
- SDF
2 stops27h 29m
Air New Zealand
Deal found 6/3![Air New Zealand logo]()
$1,096
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Wed 6/248:00 am
SDF
- MEL
3 stops33h 30m
United Airlines
Wed 7/89:30 am
MEL
- SDF
2 stops27h 29m
United Airlines
Deal found 6/2![United Airlines logo]()
$1,097
This Kiwi.com deal was found by Cheapflights users on 6/1. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/249:21 am
SDF
- MEL
2 stops35h 49m
Multiple Airlines
Wed 7/89:45 am
MEL
- SDF
1 stop23h 41m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$1,642
This United Airlines deal was found by Cheapflights users on 6/1. 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.
Sat 6/276:15 am
SDF
- MEL
2 stops36h 00m
United Airlines
Wed 7/110:55 am
MEL
- SDF
2 stops26h 04m
United Airlines
Deal found 6/1![United Airlines logo]()
$1,632
This United Airlines deal was found by Cheapflights users on 6/2. 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.
Thu 7/23:25 pm
SDF
- SYD
2 stops25h 35m
United Airlines
Wed 7/89:30 am
SYD
- SDF
2 stops23h 26m
United Airlines
Deal found 6/2![United Airlines logo]()
$1,523
This United Airlines deal was found by Cheapflights users on 6/3. 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 7/38:00 am
SDF
- MEL
3 stops33h 30m
United Airlines
Thu 7/910:10 am
MEL
- SDF
3 stops66h 18m
United Airlines
Deal found 6/3![United Airlines logo]()
$1,130
This United Airlines deal was found by Cheapflights users on 5/31. 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 7/147:55 pm
SDF
- MEL
2 stops46h 20m
United Airlines
Tue 7/2110:00 am
MEL
- SDF
3 stops66h 28m
United Airlines
Deal found 5/31![United Airlines logo]()
$1,457
This United Airlines deal was found by Cheapflights users on 5/30. 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 7/147:15 am
SDF
- SYD
2 stops33h 40m
United Airlines
Tue 7/219:30 am
SYD
- SDF
2 stops26h 45m
United Airlines
Deal found 5/30![United Airlines logo]()
$1,476
This BusinessClass deal was found by Cheapflights users on 5/30. 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 BusinessClass is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/148:00 am
SDF
- SYD
1 stop32h 55m
Air New Zealand
Tue 7/217:20 pm
SYD
- SDF
2 stops40h 55m
Air New Zealand
Deal found 5/30![Air New Zealand logo]()
$1,809
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 June 4, 2026.
Search for one-way flight options from Louisville to Australia. Find affordable one-way fares based on user searches. Data last updated June 4, 2026.
This United Airlines deal was found by Cheapflights users on 6/2. 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 6/93:41 pm
SDF
- SYD
2 stops25h 14m
United Airlines
Deal found 6/2![United Airlines logo]()
$714
This Ovago deal was found by Cheapflights users on 6/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/98:00 am
SDF
- SYD
1 stop32h 55m
Air New Zealand
Deal found 6/3![Air New Zealand logo]()
$723
This Qatar Airways deal was found by Cheapflights users on 6/1. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/1610:33 am
SDF
- SYD
2 stops53h 37m
Qatar Airways
Deal found 6/1![Qatar Airways logo]()
$1,717
This Cathay Pacific deal was found by Cheapflights users on 6/1. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:50 pm
SDF
- SYD
3 stops46h 50m
Multiple Airlines
Deal found 6/1![Multiple Airlines logo]()
$1,776
This American Airlines deal was found by Cheapflights users on 6/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 7/167:50 pm
SDF
- SYD
1 stop21h 05m
American Airlines
Deal found 6/1![American Airlines logo]()
$2,678
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 June 4, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,096 (KAYAK) |
One-way from | $714 (United Airlines) |
Popular in | January |
Cheapest in | August |
Average price | $1,253 |
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 June 4, 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 - MEL
SDFMEL
Louisville Intl
Wed 6/24
3:25 pm-7:30 am
2 stops26h 05m
Melbourne
Wed 7/8
9:30 am-10:15 pm
2 stops26h 45m
$1,096
LouisvilleMelbourne
SDF - MEL
SDFMEL
Louisville Intl
Wed 6/24
8:00 am-7:30 am
3 stops33h 30m
Melbourne
Wed 7/8
9:30 am-10:15 pm
2 stops26h 45m
$1,097
LouisvilleMelbourne
SDF - MEL
SDFMEL
Louisville Intl
Tue 9/22
7:46 pm-7:50 am
2 stops46h 04m
Melbourne
Wed 9/30
10:00 am-9:12 pm
2 stops25h 12m
$1,116
LouisvilleMelbourne
SDF - MEL
SDFMEL
Louisville Intl
Fri 7/3
8:00 am-7:30 am
3 stops33h 30m
Melbourne
Thu 7/9
10:10 am-2:28 pm
3 stops66h 18m
$1,130
LouisvilleSydney
SDF - SYD
SDFSYD
Louisville Intl
Wed 8/26
8:00 am-6:55 am
2 stops32h 55m
Sydney Kingsford Smith
Sat 9/5
10:20 am-8:36 pm
2 stops24h 16m
$1,403
LouisvilleMelbourne
SDF - MEL
SDFMEL
Louisville Intl
Tue 7/14
7:55 pm-8:15 am
2 stops46h 20m
Melbourne
Tue 7/21
10:00 am-2:28 pm
3 stops66h 28m
$1,457
Quickest round-trip
LouisvilleSydney
SDF - SYD
SDFSYD
Louisville Intl
Sun 9/13
3:25 pm-6:55 am
2 stops25h 30m
Sydney Kingsford Smith
Wed 9/23
10:20 am-8:32 pm
2 stops24h 12m
$1,464
LouisvilleSydney
SDF - SYD
SDFSYD
Louisville Intl
Tue 7/14
7:15 am-6:55 am
2 stops33h 40m
Sydney Kingsford Smith
Tue 7/21
9:30 am-10:15 pm
2 stops26h 45m
$1,476
LouisvilleMelbourne
SDF - MEL
SDFMEL
Louisville Intl
Fri 9/18
1:46 pm-8:15 am
2 stops28h 29m
Melbourne
Tue 9/22
10:00 am-2:23 pm
3 stops66h 23m
$1,495
LouisvilleMelbourne
SDF - MEL
SDFMEL
Louisville Intl
Thu 7/30
3:41 pm-8:15 am
2 stops26h 34m
Melbourne
Sun 8/2
9:30 am-10:15 pm
2 stops26h 45m
$1,515
Showing 1-10 of 25 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
What is the cheapest month to book a flight from Louisville to Australia?
Currently, June is the cheapest month in which you can book a flight from Louisville to Australia (average of $536). Flying from Louisville to Australia in April is currently the most expensive (average of $1,351). 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 June 4, 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.
Comfort
7.8
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
Comfort
7.8
Food
7.2
Overall
7.9
Entertainment
7.8
Boarding
8.1
Crew
8.5
Reviews
1 / 20
10.0
ExcellentAnonymous,May 2026
SEA - KOA
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 June 4, 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 2,558,603 searches. Data last updated June 4, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$662 | Average$1,338 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$973 | Average$1,445 | FlexibilityNo cancel fee | On-time69% |