How long is the flight from Louisville to Sydney?

There are many flights that can get you from Louisville to Sydney in 30h 50m. Fly via United Airlines to get the fastest option. Louisville and Sydney are separated by a distance of 14948 km.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from SDF to SYD?

When flying from Louisville to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

$922+ Cheap Flights from Louisville to Sydney

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 30 September 2026.

Mon 26/1017:49 -

1 stop22h 06m

Mon 2/1114:05 -

1 stop20h 04m

Deal found 28/9$1,757

Sun 25/1015:24 -

2 stops26h 16m

Mon 9/1111:20 -

2 stops25h 32m

Deal found 28/9$1,760

Wed 11/1115:24 -

2 stops25h 41m

Wed 18/1109:15 -

1 stop20h 08m

Deal found 27/9$1,770

Wed 28/1015:24 -

2 stops26h 16m

Wed 4/1111:50 -

2 stops24h 43m

Deal found 30/9$1,776

Mon 26/1013:59 -

2 stops26h 21m

Mon 2/1110:40 -

2 stops24h 30m

Deal found 28/9$1,777

Mon 26/1016:18 -

1 stop23h 37m

Mon 2/1111:15 -

2 stops22h 54m

Deal found 28/9$1,801

Thu 12/1109:10 -

1 stop29h 50m

Thu 19/1109:10 -

1 stop28h 48m

Deal found 28/9$1,913

Tue 1/1215:35 -

2 stops27h 00m

Mon 7/1219:25 -

2 stops40h 58m

Deal found 29/9$1,924

Tue 1/1207:05 -

2 stops33h 30m

Mon 7/1211:50 -

3 stops28h 04m

Deal found 29/9$2,040

Mon 23/1115:45 -

2 stops25h 35m

Mon 30/1111:20 -

2 stops42h 57m

Deal found 25/9$2,219

Find flight deals from Louisville to Sydney

Round-trip from	$1,757
One-way from	$922
Popular in	December
Cheapest in	August
Average price	$2,166

Qantas Airways
28/10-4/11
2 total stops
43h 41m total
Louisville to Sydney

Search Deals

Qantas Airways
21/10-31/12
2 total stops
27h 57m total
Louisville to Sydney

Search Deals

Highest demand for flights based on searches. 12% potential increase in price ($419 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease ($73 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 21/10

07:25-07:55

2 stops33h 30m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$932

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 21/10

12:46-15:30

3 stops35h 44m

Sydney Kingsford Smith

Wed 31/12

00:00-09:00

Nonstop0h 00m

$1,327

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 25/10

09:10-07:00

1 stop30h 50m

Sydney Kingsford Smith

Mon 9/11

09:15-13:23

1 stop20h 08m

$1,760

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 11/11

09:10-07:00

1 stop29h 50m

Sydney Kingsford Smith

Wed 18/11

09:15-21:58

1 stop28h 43m

$1,770

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 23/11

15:45-07:00

1 stop23h 15m

Sydney Kingsford Smith

Mon 30/11

11:20-14:17

2 stops42h 57m

$2,219

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 8/11

09:10-07:00

1 stop29h 50m

Sydney Kingsford Smith

Thu 12/11

09:10-13:23

1 stop20h 13m

$2,225

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 1/12

07:05-07:00

1 stop31h 55m

Sydney Kingsford Smith

Mon 7/12

09:15-21:59

1 stop28h 44m

$2,225

Flights are sorted by cheapest return flights first.

Deals found on 25/9

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

How long is the flight from Louisville to Sydney?
There are many flights that can get you from Louisville to Sydney in 30h 50m. 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

Parramatta

Wollongong

Penrith

Manly

Lithgow

Cronulla

Terrigal

Katoomba

Randwick

Leura

Bondi Beach

Coogee

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Alternative routes

Complete your trip

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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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Cheap flights from Louisville to Sydney from $922

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Louisville to Sydney

Cheapest flights from Louisville to SydneyExplore 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 30 September 2026.

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 30 September 2026.

Best flights from Louisville to SydneyDiscover 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 30 September 2026.

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 30 September 2026.

Last-minute flights from Louisville to SydneyDiscover last-minute flight deals from Louisville to Sydney. Data last updated 30 September 2026 and is based on user searches.

Discover last-minute flight deals from Louisville to Sydney. Data last updated 30 September 2026 and is based on user searches.

One-way flights from Louisville to SydneySearch for one-way flight options from Louisville to Sydney. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

Search for one-way flight options from Louisville to Sydney. Find affordable one-way fares based on user searches. Data last updated 30 September 2026.

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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.

Related info for your journey

How long is the flight from Louisville to Sydney?

Can I find deals for flights from Louisville to Sydney that include hotel bookings?

How can I find direct flights from Louisville to Sydney?

Can I find deals for business class flights from Louisville to Sydney?

Travelling to a place near Sydney?

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.

Complete your trip

Complete your trip to Sydney by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to New South Wales

Book a non-stop flight to one of these other cities located in New South Wales.

Search flights from Louisville to Sydney by cabin class

Find flights from Louisville to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Louisville and Sydney flights

Browse other Louisville and Sydney flight options. Last updated on 30 September 2026.

Popular flight searches

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Other flights to Sydney

Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 30 September 2026.

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How does Cheapflights help users find flights from Louisville to Sydney?

Why should you use Cheapflights to find cheap flight tickets from Louisville to Sydney?

Can Cheapflights find flights from Louisville to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Louisville to Sydney become cheaper?

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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 30 September 2026.

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 30 September 2026.

Last-minute flights from Louisville to Sydney
Discover last-minute flight deals from Louisville to Sydney. Data last updated 30 September 2026 and is based on user searches.

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 30 September 2026.