Cheap flights from Louisville to Sydney from $1,041
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
11 Dec — 18 Dec1
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.
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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 11 November 2026.
Thu 24/1215:36 -
1 stop23h 19m
Thu 31/1212:00 -
2 stops43h 02m
Deal found 9/11$2,819
Wed 11/1115:51 -
2 stops25h 09m
Wed 9/1214:05 -
1 stop22h 55m
Deal found 10/11$2,904
Thu 24/1218:25 -
2 stops25h 55m
Thu 31/1206:20 -
2 stops24h 42m
Deal found 9/11$3,163
Fri 25/1218:25 -
2 stops27h 30m
Sat 2/114:05 -
1 stop19h 34m
Deal found 8/11$3,516
Thu 17/1215:36 -
2 stops31h 14m
Sat 2/114:05 -
1 stop19h 34m
Deal found 6/11$4,613
Fri 25/1209:00 -
2 stops33h 35m
Sat 2/119:25 -
2 stops40h 30m
Deal found 8/11$4,993
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 11 November 2026.
Sat 30/116:08 -
2 stops28h 17m
Wed 3/214:05 -
1 stop22h 29m
Deal found 10/11$2,270
Sat 30/115:25 -
1 stop23h 35m
Wed 3/209:20 -
1 stop28h 39m
Deal found 10/11$2,326
Fri 29/118:28 -
2 stops24h 37m
Fri 5/210:25 -
3 stops26h 09m
Deal found 6/11$2,410
Thu 24/1215:36 -
1 stop23h 19m
Thu 31/1212:00 -
2 stops43h 02m
Deal found 9/11$2,819
Thu 24/1218:25 -
2 stops25h 55m
Thu 31/1206:20 -
2 stops24h 42m
Deal found 9/11$3,163
Last-minute flights from Louisville to Sydney
Discover last-minute flight deals from Louisville to Sydney. Data last updated 11 November 2026 and is based on user searches.
Wed 11/1115:51 -
2 stops25h 09m
Wed 9/1214:05 -
1 stop22h 55m
Deal found 10/11$2,904
Thu 17/1215:36 -
2 stops31h 14m
Sat 2/114:05 -
1 stop19h 34m
Deal found 6/11$4,613
Thu 24/1215:36 -
1 stop23h 19m
Thu 31/1212:00 -
2 stops43h 02m
Deal found 9/11$2,819
Thu 24/1218:25 -
2 stops25h 55m
Thu 31/1206:20 -
2 stops24h 42m
Deal found 9/11$3,163
Fri 25/1218:25 -
2 stops27h 30m
Sat 2/114:05 -
1 stop19h 34m
Deal found 8/11$3,516
Fri 25/1209:00 -
2 stops33h 35m
Sat 2/119:25 -
2 stops40h 30m
Deal found 8/11$4,993
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 11 November 2026.
Fri 5/215:27 -
2 stops25h 53m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/11$1,041
Fri 5/216:08 -
1 stop22h 47m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/11$1,098
Fri 5/217:49 -
3 stops58h 56m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/11$1,233
Wed 13/116:05 -
2 stops27h 40m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/11$1,594
Wed 13/106:10 -
3 stops41h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/11$1,833
Wed 13/107:00 -
1 stop32h 00m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 9/11$2,545
Sat 6/315:50 -
1 stop23h 10m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 7/11$3,579
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 11 November 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 11 November 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
Fri 5/2
17:49-20:45
3 stops58h 56m
Sydney Kingsford Smith
Wed 31/12
00:00-09:00
Nonstop0h 00m
$1,233
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Wed 13/1
16:05-11:45
2 stops27h 40m
Sydney Kingsford Smith
Wed 31/12
00:00-09:00
Nonstop0h 00m
$1,594
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Wed 13/1
06:10-15:30
3 stops41h 20m
Sydney Kingsford Smith
Wed 31/12
00:00-09:00
Nonstop0h 00m
$1,833
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Sat 30/1
16:08-12:25
2 stops28h 17m
Sydney Kingsford Smith
Wed 3/2
14:05-20:34
1 stop22h 29m
$2,270
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Sat 30/1
15:25-07:00
1 stop23h 35m
Sydney Kingsford Smith
Wed 3/2
09:20-21:59
1 stop28h 39m
$2,326
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Fri 29/1
18:28-11:05
2 stops24h 37m
Sydney Kingsford Smith
Fri 5/2
10:25-20:34
3 stops26h 09m
$2,410
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Wed 13/1
07:00-07:00
1 stop32h 00m
Sydney Kingsford Smith
Wed 31/12
00:00-09:00
Nonstop0h 00m
$2,545
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Thu 24/12
15:36-06:55
1 stop23h 19m
Sydney Kingsford Smith
Thu 31/12
12:00-15:02
2 stops43h 02m
$2,819
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Thu 24/12
18:25-12:20
2 stops25h 55m
Sydney Kingsford Smith
Thu 31/12
06:20-15:02
2 stops24h 42m
$3,163
Fastest return journey
LouisvilleSydney
SDF Louisville Intl - SYD Sydney Kingsford Smith
SDFSYD
Louisville Intl
Sat 6/3
15:50-07:00
1 stop23h 10m
Sydney Kingsford Smith
Wed 31/12
00:00-09:00
Nonstop0h 00m
$3,579
Flights are sorted by cheapest return flights first.
Deals found on 9/11
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.
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 23h 35m. Fly via Qantas Airways or United Airlines 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.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 November 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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