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

Delta, 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.

$827 Cheap Flights from Louisville to Australia in 2026

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.

13:55 - 06:55

SDF

SYD

27h 00m

2 stops

09:30 - 19:35

SYD

SDF

24h 05m

2 stops

$1,748United Airlines

Tue, 9 Jun - Wed, 17 Jun

15:30 - 07:55

SDF

SYD

25h 25m

2 stops

09:30 - 20:00

SYD

SDF

24h 30m

2 stops

$1,750United Airlines

Wed, 1 Apr - Wed, 8 Apr

15:30 - 07:00

SDF

SYD

23h 30m

1 stop

11:50 - 19:51

SYD

SDF

24h 01m

1 stop

$1,892United Airlines

Fri, 27 Feb - Fri, 6 Mar

09:31 - 06:25

SDF

SYD

30h 54m

1 stop

06:20 - 21:30

SYD

SDF

29h 10m

2 stops

$2,623Multiple Airlines

Fri, 15 May - Fri, 29 May

10:35 - 11:55

SDF

PER

36h 20m

2 stops

22:45 - 12:49

PER

SDF

51h 04m

2 stops

$2,632Qatar Airways

Mon, 9 Feb - Mon, 16 Feb

15:49 - 18:45

SDF

PER

37h 56m

2 stops

22:45 - 15:03

PER

SDF

53h 18m

2 stops

$3,212Qatar Airways

Sat, 14 Feb - Wed, 18 Feb

15:30 - 09:25

SDF

MEL

25h 55m

2 stops

21:05 - 19:54

MEL

SDF

38h 49m

3 stops

$3,223Air New Zealand

Wed, 28 Jan - Wed, 4 Feb

14:13 - 15:35

SDF

MEL

33h 22m

2 stops

16:05 - 20:47

MEL

SDF

20h 42m

1 stop

$3,315Qantas Airways

Wed, 28 Jan - Wed, 4 Feb

14:04 - 05:00

SDF

MEL

22h 56m

1 stop

16:05 - 22:38

MEL

SDF

22h 33m

1 stop

$3,579Qantas Airways

Sat, 28 Feb - Sat, 7 Mar

14:13 - 05:00

SDF

MEL

22h 47m

1 stop

16:05 - 20:47

MEL

SDF

20h 42m

1 stop

$3,866Multiple Airlines

Wed, 28 Jan - Wed, 4 Feb

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

4 May

SDF17:42Louisville Intl

24h 33m

2 stops

SYD08:15Sydney Kingsford Smith

17 May

SYD12:00Sydney Kingsford Smith

21h 24m

1 stop

SDF19:24Louisville Intl

$2,698

Qantas Airways

15 May

SDF19:55Louisville Intl

21h 00m

1 stop

SYD06:55Sydney Kingsford Smith

29 May

SYD12:00Sydney Kingsford Smith

19h 31m

1 stop

SDF17:31Louisville Intl

$2,837

Qantas Airways

10 June

SDF19:43Louisville Intl

21h 12m

1 stop

SYD06:55Sydney Kingsford Smith

17 June

SYD12:00Sydney Kingsford Smith

19h 31m

1 stop

SDF17:31Louisville Intl

$3,024

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

9 June

SDF13:55Louisville Intl

27h 00m

2 stops

SYD06:55Sydney Kingsford Smith

17 June

SYD09:30Sydney Kingsford Smith

24h 05m

2 stops

SDF19:35Louisville Intl

$1,748

United Airlines

1 Apr

SDF15:30Louisville Intl

25h 25m

2 stops

SYD07:55Sydney Kingsford Smith

8 Apr

SYD09:30Sydney Kingsford Smith

24h 30m

2 stops

SDF20:00Louisville Intl

$1,750

United Airlines

27 Feb

SDF15:30Louisville Intl

23h 30m

1 stop

SYD07:00Sydney Kingsford Smith

6 Mar

SYD11:50Sydney Kingsford Smith

24h 01m

1 stop

SDF19:51Louisville Intl

$1,892

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

13:55-06:55

2 stops27h 00m

Sydney Kingsford Smith

Wed 17/6

09:30-19:35

2 stops24h 05m

$1,748

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 1/4

15:30-07:55

2 stops25h 25m

Sydney Kingsford Smith

Wed 8/4

09:30-20:00

2 stops24h 30m

$1,750

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 27/2

15:30-07:00

1 stop23h 30m

Sydney Kingsford Smith

Fri 6/3

11:50-19:51

1 stop24h 01m

$1,892

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 15/5

09:31-06:25

1 stop30h 54m

Sydney Kingsford Smith

Fri 29/5

06:20-21:30

2 stops29h 10m

$2,623

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Mon 9/2

10:35-11:55

2 stops36h 20m

Perth

Mon 16/2

22:45-12:49

2 stops51h 04m

$2,632

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sat 14/2

15:49-18:45

2 stops37h 56m

Perth

Wed 18/2

22:45-15:03

2 stops53h 18m

$3,212

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 28/1

15:30-09:25

2 stops25h 55m

Melbourne

Wed 4/2

21:05-19:54

3 stops38h 49m

$3,223

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 28/1

14:13-15:35

2 stops33h 22m

Melbourne

Wed 4/2

16:05-20:47

1 stop20h 42m

$3,315

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sat 28/2

14:04-05:00

1 stop22h 56m

Melbourne

Sat 7/3

16:05-22:38

1 stop22h 33m

$3,579

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 28/1

14:13-05:00

1 stop22h 47m

Melbourne

Wed 4/2

16:05-20:47

1 stop20h 42m

$3,866

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, 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 $1,708. If you don’t want to visit Australia in November, then you should wait until June to fly from Louisville, when ticket prices are also cheap, with an average price of $1,838.

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	24h 55m
Direct flights	None

The fastest flight from Louisville to Australia takes 24h 55m

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.