What is the cheapest airline that flies from Louisville Intl to Australia?

Delta, United Airlines, and Qantas Airways are the most popular carriers operating from Louisville Intl to Australia

When did momondo last update prices for flights from Louisville Intl Airport to Australia?

Prices for flights from Louisville Intl Airport to Australia are refreshed on a daily basis.

How old do you have to be to fly from Louisville Intl Airport to Australia?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Australia.

What documentation or ID do you need to fly to Australia?

The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$843 Cheap Flights from Louisville to Australia in 2025/26

1 adult

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Find the cheapest flights from Louisville to Australia

Round-trip

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:15 - 06:35SDF-SYD

32h 20m2 stops

09:25 - 21:37SYD-SDF

26h 12m2 stops

$1,780Delta

Find Deal

Sun, 5 Apr - Mon, 13 Apr

15:30 - 10:00SDF-MEL

26h 30m2 stops

12:00 - 22:13MEL-SDF

25h 13m2 stops

$1,846United Airlines

Find Deal

Sun, 1 Mar - Sat, 14 Mar

15:30 - 07:00SDF-SYD

24h 30m1 stop

10:20 - 14:26SYD-SDF

42h 06m2 stops

$1,874United Airlines

Find Deal

Thu, 19 Mar - Sun, 5 Apr

09:15 - 07:00SDF-SYD

30h 45m1 stop

10:20 - 14:26SYD-SDF

42h 06m2 stops

$1,875United Airlines

Find Deal

Thu, 19 Mar - Sun, 5 Apr

15:30 - 09:15SDF-SYD

26h 45m2 stops

09:30 - 22:32SYD-SDF

51h 02m2 stops

$1,880United Airlines

Find Deal

Thu, 19 Mar - Sun, 5 Apr

17:45 - 09:05SDF-SYD

24h 20m2 stops

09:30 - 22:32SYD-SDF

51h 02m2 stops

$1,881United Airlines

Find Deal

Thu, 19 Mar - Sun, 5 Apr

06:00 - 10:55SDF-MEL

36h 55m2 stops

19:50 - 21:59MEL-SDF

41h 09m3 stops

$2,547Air New Zealand

Find Deal

Sun, 1 Mar - Sat, 14 Mar

20:12 - 06:55SDF-SYD

20h 43m1 stop

12:00 - 17:30SYD-SDF

19h 30m1 stop

$2,742Qantas Airways

Find Deal

Sun, 5 Apr - Mon, 13 Apr

20:12 - 06:55SDF-SYD

20h 43m1 stop

10:05 - 19:43SYD-SDF

23h 38m2 stops

$2,762Qantas Airways

Find Deal

Sun, 5 Apr - Mon, 13 Apr

10:35 - 11:55SDF-PER

36h 20m2 stops

22:45 - 21:16PER-SDF

59h 31m2 stops

$3,639Qatar Airways

Find Deal

Thu, 15 Jan - Thu, 22 Jan

Delta flights from Louisville to Australia

Our best Delta deals on Louisville to Australia flight tickets

Delta

5 Apr

SDF08:15Louisville Intl

32h 20m

2 stops

SYD06:35Sydney Kingsford Smith

13 Apr

SYD09:25Sydney Kingsford Smith

26h 12m

2 stops

SDF21:37Louisville Intl

$1,780

Find similar

Delta

15 Feb

SDF10:46Louisville Intl

29h 44m

2 stops

SYD08:30Sydney Kingsford Smith

19 Feb

SYD10:40Sydney Kingsford Smith

23h 11m

2 stops

SDF17:51Louisville Intl

$1,945

Find similar

Delta

16 Feb

SDF10:46Louisville Intl

29h 14m

2 stops

MEL08:00Melbourne

20 Feb

MEL10:10Melbourne

24h 52m

2 stops

SDF19:02Louisville Intl

$2,239

Find similar

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

5 Apr

SDF20:12Louisville Intl

20h 43m

1 stop

SYD06:55Sydney Kingsford Smith

13 Apr

SYD12:00Sydney Kingsford Smith

19h 30m

1 stop

SDF17:30Louisville Intl

$2,742

Find similar

Qantas Airways

5 Apr

SDF20:12Louisville Intl

20h 43m

1 stop

SYD06:55Sydney Kingsford Smith

13 Apr

SYD10:05Sydney Kingsford Smith

23h 38m

2 stops

SDF19:43Louisville Intl

$2,762

Find similar

Qantas Airways

19 Mar

SDF18:24Louisville Intl

21h 31m

1 stop

SYD06:55Sydney Kingsford Smith

5 Apr

SYD12:00Sydney Kingsford Smith

19h 37m

1 stop

SDF17:37Louisville Intl

$2,819

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 5/4

08:15-06:35

2 stops32h 20m

Sydney Kingsford Smith

Mon 13/4

09:25-21:37

2 stops26h 12m

$1,780

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 1/3

15:30-10:00

2 stops26h 30m

Melbourne

Sat 14/3

12:00-22:13

2 stops25h 13m

$1,846

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

15:30-07:00

1 stop24h 30m

Sydney Kingsford Smith

Sun 5/4

10:20-14:26

2 stops42h 06m

$1,874

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

09:15-07:00

1 stop30h 45m

Sydney Kingsford Smith

Sun 5/4

10:20-14:26

2 stops42h 06m

$1,875

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

15:30-09:15

2 stops26h 45m

Sydney Kingsford Smith

Sun 5/4

09:30-22:32

2 stops51h 02m

$1,880

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

17:45-09:05

2 stops24h 20m

Sydney Kingsford Smith

Sun 5/4

09:30-22:32

2 stops51h 02m

$1,881

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 1/3

06:00-10:55

2 stops36h 55m

Melbourne

Sat 14/3

19:50-21:59

3 stops41h 09m

$2,547

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 5/4

20:12-06:55

1 stop20h 43m

Sydney Kingsford Smith

Mon 13/4

12:00-17:30

1 stop19h 30m

$2,742

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 5/4

20:12-06:55

1 stop20h 43m

Sydney Kingsford Smith

Mon 13/4

10:05-19:43

2 stops23h 38m

$2,762

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Thu 15/1

10:35-11:55

2 stops36h 20m

Perth

Thu 22/1

22:45-21:16

2 stops59h 31m

$3,639

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Louisville to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Australia?

In general, April is the cheapest month to fly from Louisville to Australia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,695. If you don’t want to visit Australia in April, then you should wait until November to fly from Louisville, when ticket prices are also cheap, with an average price of $1,744.

Cheap Louisville to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Louisville to Australia

Fastest flight time	23h 20m
Direct flights	None

The fastest flight from Louisville to Australia takes 23h 20m

There are no direct flights from Louisville to Australia. There are no popular flight routes from Louisville to Australia.

Search flight deals

When did momondo last update prices for flights from Louisville Intl Airport to Australia?
Prices for flights from Louisville Intl Airport to Australia are refreshed on a daily basis.
How old do you have to be to fly from Louisville Intl Airport to Australia?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Louisville Intl Airport to Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Australia?

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Louisville to Australia. momondo saves you time and could save you money on your trip.

Can I find flights from Louisville to Australia with flexible booking policies on momondo?

Flights from Louisville to Australia with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

How can momondo help me find flights from Louisville to Australia?

momondo helps you find the best flight between Louisville and Australia by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Louisville to Australia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Louisville to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.