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Cheap flights from Louisville to Sydney from $954

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 30/12. Fares are subject to change and may not be available on all flights or dates of travel.
SDF — SYD
16 Aug — 23 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Louisville to Sydney

Enter your travel dates to find the best prices.

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 17 July 2026.

Mon 10/815:25
SDF
-
SYD
2 stops25h 25m
Delta
Wed 19/809:15
SYD
-
SDF
2 stops23h 56m
Delta
Deal found 14/7$1,702
Wed 23/916:25
SDF
-
SYD
1 stop24h 30m
Qantas Airways
Sun 11/1013:00
SYD
-
SDF
1 stop19h 17m
Qantas Airways
Deal found 13/7$1,837
Wed 4/1116:26
SDF
-
SYD
1 stop22h 29m
Qantas Airways
Wed 11/1106:25
SYD
-
SDF
2 stops27h 14m
Qantas Airways
Deal found 13/7$1,840
Mon 9/1116:26
SDF
-
SYD
1 stop22h 29m
Qantas Airways
Mon 23/1119:50
SYD
-
SDF
2 stops35h 54m
Qantas Airways
Deal found 16/7$1,843
Thu 27/809:00
SDF
-
SYD
2 stops32h 00m
United Airlines
Thu 3/909:30
SYD
-
SDF
2 stops25h 06m
United Airlines
Deal found 13/7$1,844
Tue 1/1215:50
SDF
-
SYD
1 stop23h 10m
United Airlines
Tue 8/1209:20
SYD
-
SDF
1 stop20h 13m
United Airlines
Deal found 13/7$1,866
Mon 9/1115:35
SDF
-
SYD
1 stop23h 25m
United Airlines
Mon 23/1109:20
SYD
-
SDF
1 stop26h 36m
United Airlines
Deal found 14/7$1,867
Mon 9/1118:24
SDF
-
SYD
2 stops45h 36m
Qantas Airways
Sat 21/1115:45
SYD
-
SDF
2 stops41h 54m
Qantas Airways
Deal found 13/7$1,870
Mon 9/1115:35
SDF
-
SYD
1 stop23h 25m
United Airlines
Sat 21/1109:20
SYD
-
SDF
1 stop28h 38m
United Airlines
Deal found 13/7$1,937

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 17 July 2026.

Round-trip from

$1,702

One-way from

$954

Popular in

December

Cheapest in

February

Average price

$1,900
Delta
  • Delta
  • 10/8-19/8
  • 4 total stops
  • 49h 21m total
  • Louisville to Sydney
Search Deals
United Airlines
  • United Airlines
  • 30/12
  • 2 total stops
  • 34h 30m total
  • Louisville to Sydney
Search Deals
Highest demand for flights based on searches. 9% potential increase in price ($289 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($89 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
Search Deals

Cheapflights Fare Finder

 
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 647,157 searches. Data last updated 17 July 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
Fastest return journey

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 1/12

15:50-07:00

1 stop23h 10m

Sydney Kingsford Smith

Tue 8/12

09:20-13:33

1 stop20h 13m

$1,866

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 26/8

15:25-07:00

2 stops49h 35m

Sydney Kingsford Smith

Sat 5/9

10:20-20:36

2 stops24h 16m

$1,869

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 4/11

10:51-06:25

3 stops27h 34m

Sydney Kingsford Smith

Wed 11/11

07:00-15:44

2 stops24h 44m

$2,127

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 8/8

15:25-06:55

2 stops25h 30m

Sydney Kingsford Smith

Wed 12/8

09:30-19:59

2 stops24h 29m

$2,170
Cheapest one-way

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 30/12

06:50-09:20

2 stops34h 30m

$954

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 3/9

13:50-06:55

2 stops27h 05m

$962

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 4/9

07:25-07:00

2 stops33h 35m

$962

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 29/12

19:32-07:00

2 stops43h 28m

$990

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 15/8

16:01-09:00

2 stops26h 59m

$1,036
Fastest single journey

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 15/8

16:01-06:55

1 stop24h 54m

$1,044

Flights are sorted by cheapest return flights first.

Deals found on 13/7

Showing 1-10 of 13 resultsSorted by cheapest first
1
2

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.
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

How much does it cost for a return flight from Louisville to Sydney?

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 10m. Fly via United Airlines to get the fastest option. Louisville and Sydney are separated by a distance of 14948 km.

  • 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.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Penrith
Katoomba
Manly
Lithgow
Cronulla
Terrigal
Randwick
Leura
Bondi Beach
Coogee

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Louisville to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
Nashville to Sydney flights
Cincinnati to Sydney flights

Fly with Cheapflights

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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