This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
13 Nov — 20 Nov1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheap flight deals from Louisville to Sydney
Enter your travel dates to find the best prices.
Cheapest
Best
Last-minute
One-way
Cheapest flights from Louisville to Sydney
Explore the most affordable flight options available from Louisville to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 14 October 2026.
Fri 30/1017:49 -
1 stop22h 06m
Fri 6/1121:50 -
2 stops33h 40m
Deal found 11/10$1,662
Fri 30/1014:10 -
2 stops25h 50m
Fri 6/1111:20 -
2 stops23h 12m
Deal found 11/10$1,923
Fri 27/1107:00 -
2 stops33h 35m
Fri 4/1211:50 -
2 stops24h 33m
Deal found 13/10$1,990
Fri 27/1118:48 -
2 stops24h 17m
Fri 4/1214:05 -
1 stop20h 07m
Deal found 13/10$1,998
Thu 26/1109:10 -
2 stops33h 25m
Thu 3/1219:25 -
2 stops40h 58m
Deal found 12/10$2,016
Thu 26/1108:00 -
2 stops33h 05m
Thu 3/1209:10 -
1 stop27h 13m
Deal found 12/10$2,075
Fri 27/1107:00 -
2 stops33h 35m
Fri 4/1211:50 -
3 stops27h 59m
Deal found 13/10$2,190
Sun 8/1115:24 -
2 stops25h 56m
Thu 12/1109:10 -
1 stop28h 48m
Deal found 12/10$2,230
Best flights from Louisville to Sydney
Discover carefully curated flight deals from Louisville to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 14 October 2026.
Fri 30/1014:10 -
2 stops25h 50m
Fri 6/1111:20 -
2 stops23h 12m
Deal found 11/10$1,923
Fri 27/1118:48 -
2 stops24h 17m
Fri 4/1214:05 -
1 stop20h 07m
Deal found 13/10$1,998
Thu 26/1109:10 -
1 stop29h 50m
Thu 3/1209:10 -
1 stop28h 49m
Deal found 12/10$2,075
Sun 8/1115:24 -
2 stops25h 56m
Thu 12/1109:10 -
1 stop28h 48m
Deal found 9/10$2,230
Last-minute flights from Louisville to Sydney
Discover last-minute flight deals from Louisville to Sydney. Data last updated 14 October 2026 and is based on user searches.
Fri 30/1017:49 -
1 stop22h 06m
Fri 6/1121:50 -
2 stops33h 40m
Deal found 11/10$1,662
Fri 30/1014:10 -
2 stops25h 50m
Fri 6/1111:20 -
2 stops23h 12m
Deal found 11/10$1,923
Sun 8/1115:24 -
2 stops25h 56m
Thu 12/1109:10 -
1 stop28h 48m
Deal found 12/10$2,230
Thu 26/1109:10 -
2 stops33h 25m
Thu 3/1219:25 -
2 stops40h 58m
Deal found 12/10$2,016
Thu 26/1108:00 -
2 stops33h 05m
Thu 3/1209:10 -
1 stop27h 13m
Deal found 12/10$2,075
Fri 27/1107:00 -
2 stops33h 35m
Fri 4/1211:50 -
2 stops24h 33m
Deal found 13/10$1,990
Fri 27/1118:48 -
2 stops24h 17m
Fri 4/1214:05 -
1 stop20h 07m
Deal found 13/10$1,998
Fri 27/1107:00 -
2 stops33h 35m
Fri 4/1211:50 -
3 stops27h 59m
Deal found 13/10$2,190
One-way flights from Louisville to Sydney
Search for one-way flight options from Louisville to Sydney. Find affordable one-way fares based on user searches. Data last updated 14 October 2026.
Tue 3/1106:00 -
2 stops34h 30m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/10$935
Tue 3/1117:26 -
1 stop21h 29m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/10$1,001
Tue 3/1119:13 -
3 stops45h 02m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/10$1,199
Sun 15/1106:42 -
2 stops33h 48m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/10$7,887
Sun 15/1109:10 -
1 stop29h 50m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 13/10$7,903
Mon 16/1109:44 -
3 stops30h 31m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 12/10$10,969
Find flight deals from Louisville to Sydney
Discover tips and strategies to find the most affordable flight options for your journey from Louisville (SDF) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 14 October 2026.
Customise your flight search to find flights from Louisville to Sydney 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 14 October 2026.
Use the filters below to find and compare flights from Louisville to Sydney that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
Cheapest return flight
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Tue 3/11
06:00-08:30
2 stops34h 30m
Sydney Kingsford Smith
Wed 31/12
00:00-09:00
Nonstop0h 00m
$935
Fastest return journey
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Tue 3/11
17:26-06:55
1 stop21h 29m
Sydney Kingsford Smith
Wed 31/12
00:00-09:00
Nonstop0h 00m
$1,001
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Fri 30/10
14:10-07:00
2 stops25h 50m
Sydney Kingsford Smith
Fri 6/11
11:20-18:32
2 stops23h 12m
$1,923
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Fri 27/11
18:48-11:05
2 stops24h 17m
Sydney Kingsford Smith
Fri 4/12
14:05-18:12
1 stop20h 07m
$1,998
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Thu 26/11
09:10-07:00
1 stop29h 50m
Sydney Kingsford Smith
Thu 3/12
09:10-21:59
1 stop28h 49m
$2,075
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Sun 8/11
15:24-09:20
2 stops25h 56m
Sydney Kingsford Smith
Thu 12/11
09:10-21:58
1 stop28h 48m
$2,230
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Mon 16/11
06:00-08:30
2 stops34h 30m
Sydney Kingsford Smith
Wed 31/12
00:00-09:00
Nonstop0h 00m
$7,887
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Sun 15/11
06:42-08:30
2 stops33h 48m
Sydney Kingsford Smith
Wed 31/12
00:00-09:00
Nonstop0h 00m
$7,887
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Sun 15/11
09:10-07:00
1 stop29h 50m
Sydney Kingsford Smith
Wed 31/12
00:00-09:00
Nonstop0h 00m
$7,903
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Mon 16/11
09:10-07:00
1 stop29h 50m
Sydney Kingsford Smith
Wed 31/12
00:00-09:00
Nonstop0h 00m
$7,903
Flights are sorted by cheapest return flights first.
Deals found on 13/10
Sorted by cheapest first
Best time to book a flight from Louisville to Sydney
Have a flexible travel schedule? Discover the best time to fly to Sydney from Louisville with our price prediction graph.
SDF-SYD
Estimated return 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 Sydney
What is the cheapest month to book a flight from Louisville to Sydney?
Currently, August is the cheapest month in which you can book a flight from Louisville to Sydney (average of $1,708). Flying from Louisville to Sydney in December is currently the most expensive (average of $2,587). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
Related info for your journey
Find useful and relevant information for your journey from Louisville to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
How long is the flight from Louisville to Sydney?
There are many flights that can get you from Louisville to Sydney in 24h 17m. Fly via United Airlines or Qantas Airways to get the fastest option. Louisville and Sydney are separated by a distance of 14948 km. Both multi-stop and direct flights can be found to your destination and back.
Can I find deals for flights from Louisville to Sydney that include hotel bookings?
Yes. In addition to deals on Louisville to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Louisville to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Louisville to Sydney.
Can I find deals for business class flights from Louisville to Sydney?
Yes. Cheapflights offers flight deals from Louisville to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
What is the cheapest month to book a flight from Louisville to Sydney?
Currently, August is the cheapest month in which you can book a flight from Louisville to Sydney (average of $1,708). Flying from Louisville to Sydney in December is currently the most expensive (average of $2,587). 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.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 14 October 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Louisville to Sydney?
Cheapflights helps you search for flights from Louisville to Sydney via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Louisville to Sydney?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Louisville to Sydney for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Louisville to Sydney with no change fees?
Certainly. Search results for flights to Sydney from Louisville shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.
Can Cheapflights notify me if prices for flights from Louisville to Sydney become cheaper?
Yes, Cheapflights offers price alerts on Louisville to Sydney flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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