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

United Airlines, Air Canada, 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.

$835 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.

08:05 - 07:35

SDF

SYD

32h 30m2 stops

09:15 - 23:57

SYD

SDF

28h 42m2 stops

$1,764Delta

Mon, 30 Mar - Wed, 8 Apr

15:05 - 07:35

SDF

SYD

25h 30m2 stops

09:15 - 18:52

SYD

SDF

23h 37m2 stops

$1,840Delta

Mon, 30 Mar - Thu, 9 Apr

15:30 - 09:25

SDF

MEL

25h 55m2 stops

12:10 - 21:59

MEL

SDF

25h 49m2 stops

$1,912Air New Zealand

Sun, 1 Feb - Mon, 9 Feb

15:30 - 07:00

SDF

SYD

23h 30m1 stop

11:50 - 19:54

SYD

SDF

24h 04m1 stop

$1,921United Airlines

Sat, 31 Jan - Wed, 4 Feb

15:30 - 07:00

SDF

SYD

23h 30m1 stop

11:20 - 21:59

SYD

SDF

26h 39m2 stops

$1,928United Airlines

Sat, 31 Jan - Wed, 4 Feb

06:00 - 10:55

SDF

MEL

37h 55m2 stops

16:50 - 21:59

MEL

SDF

44h 09m2 stops

$1,959Air New Zealand

Wed, 18 Mar - Tue, 24 Mar

09:15 - 09:25

SDF

MEL

32h 10m2 stops

12:10 - 22:30

MEL

SDF

26h 20m3 stops

$2,070Multiple Airlines

Sun, 1 Feb - Mon, 9 Feb

09:15 - 08:45

SDF

SYD

31h 30m2 stops

09:55 - 22:13

SYD

SDF

28h 18m3 stops

$2,401Multiple Airlines

Sun, 1 Feb - Sat, 14 Feb

18:24 - 06:55

SDF

SYD

21h 31m1 stop

12:00 - 17:30

SYD

SDF

19h 30m1 stop

$2,689Qantas Airways

Wed, 1 Apr - Wed, 8 Apr

14:06 - 05:00

SDF

MEL

23h 54m1 stop

18:30 - 13:36

MEL

SDF

34h 06m2 stops

$3,259Qantas Airways

Wed, 18 Mar - Tue, 24 Mar

Delta flights from Louisville to Australia

Our best Delta deals on Louisville to Australia flight tickets

Delta

30 Mar

SDF08:05Louisville Intl

32h 30m

2 stops

SYD07:35Sydney Kingsford Smith

8 Apr

SYD09:15Sydney Kingsford Smith

28h 42m

2 stops

SDF23:57Louisville Intl

$1,764

Find similar

Delta

30 Mar

SDF15:05Louisville Intl

25h 30m

2 stops

SYD07:35Sydney Kingsford Smith

9 Apr

SYD09:15Sydney Kingsford Smith

23h 37m

2 stops

SDF18:52Louisville Intl

$1,840

Find similar

Delta

9 June

SDF08:10Louisville Intl

32h 25m

2 stops

SYD06:35Sydney Kingsford Smith

17 June

SYD09:15Sydney Kingsford Smith

37h 30m

2 stops

SDF08:45Louisville Intl

$1,846

Find similar

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

31 Jan

SDF15:30Louisville Intl

23h 30m

1 stop

SYD07:00Sydney Kingsford Smith

4 Feb

SYD11:50Sydney Kingsford Smith

24h 04m

1 stop

SDF19:54Louisville Intl

$1,921

Find similar

United Airlines

31 Jan

SDF15:30Louisville Intl

23h 30m

1 stop

SYD07:00Sydney Kingsford Smith

4 Feb

SYD11:20Sydney Kingsford Smith

26h 39m

2 stops

SDF21:59Louisville Intl

$1,928

Find similar

United Airlines

3 Feb

SDF09:00Louisville Intl

33h 00m

2 stops

MEL10:00Melbourne

10 Feb

MEL11:30Melbourne

24h 24m

2 stops

SDF19:54Louisville Intl

$1,950

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 30/3

08:05-07:35

2 stops32h 30m

Sydney Kingsford Smith

Wed 8/4

09:15-23:57

2 stops28h 42m

$1,764

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 30/3

15:05-07:35

2 stops25h 30m

Sydney Kingsford Smith

Thu 9/4

09:15-18:52

2 stops23h 37m

$1,840

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 1/2

15:30-09:25

2 stops25h 55m

Melbourne

Mon 9/2

12:10-21:59

2 stops25h 49m

$1,912

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 31/1

15:30-07:00

1 stop23h 30m

Sydney Kingsford Smith

Wed 4/2

11:50-19:54

1 stop24h 04m

$1,921

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 31/1

15:30-07:00

1 stop23h 30m

Sydney Kingsford Smith

Wed 4/2

11:20-21:59

2 stops26h 39m

$1,928

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 18/3

06:00-10:55

2 stops37h 55m

Melbourne

Tue 24/3

16:50-21:59

2 stops44h 09m

$1,959

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 1/2

09:15-09:25

2 stops32h 10m

Melbourne

Mon 9/2

12:10-22:30

3 stops26h 20m

$2,070

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 1/2

09:15-08:45

2 stops31h 30m

Sydney Kingsford Smith

Sat 14/2

09:55-22:13

3 stops28h 18m

$2,401

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 1/4

18:24-06:55

1 stop21h 31m

Sydney Kingsford Smith

Wed 8/4

12:00-17:30

1 stop19h 30m

$2,689

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 18/3

14:06-05:00

1 stop23h 54m

Melbourne

Tue 24/3

18:30-13:36

2 stops34h 06m

$3,259

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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, November 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 $1,726. If you don’t want to visit Australia in November, then you should wait until March to fly from Louisville, when ticket prices are also cheap, with an average price of $1,813.

Can stopping save me money on Louisville to Australia flights?

You could potentially save up to 28% on your flight if you consider stops on a Louisville to Australia flight.

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 30m
Direct flights	None

The fastest flight from Louisville to Australia takes 23h 30m

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.