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

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.

$906 Cheap Flights from Louisville to Australia in 2026

Find the cheapest flights from Louisville to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

08:05 - 06:50

SDF

SYD

32h 45m

2 stops

09:15 - 19:33

SYD

SDF

24h 18m

2 stops

$1,726Delta

Wed, 5 Aug - Tue, 18 Aug

15:41 - 07:30

SDF

MEL

25h 49m

2 stops

10:55 - 13:07

MEL

SDF

40h 12m

2 stops

$1,726United Airlines

Mon, 3 Aug - Mon, 10 Aug

15:54 - 05:00

SDF

MEL

23h 06m

1 stop

09:00 - 17:23

MEL

SDF

22h 23m

2 stops

$1,767Qantas Airways

Mon, 3 Aug - Mon, 10 Aug

15:35 - 07:00

SDF

SYD

25h 25m

2 stops

10:20 - 22:15

SYD

SDF

25h 55m

2 stops

$1,798United Airlines

Wed, 12 Aug - Thu, 20 Aug

08:16 - 07:30

SDF

SYD

33h 14m

2 stops

12:00 - 22:17

SYD

SDF

24h 17m

1 stop

$1,829Qantas Airways

Wed, 26 Aug - Sat, 5 Sep

08:16 - 07:05

SDF

SYD

32h 49m

2 stops

12:00 - 17:23

SYD

SDF

19h 23m

1 stop

$1,848Qantas Airways

Wed, 12 Aug - Thu, 20 Aug

13:19 - 06:55

SDF

SYD

27h 36m

1 stop

12:00 - 23:17

SYD

SDF

25h 17m

1 stop

$1,854Qantas Airways

Wed, 12 Aug - Thu, 20 Aug

19:03 - 05:00

SDF

MEL

43h 57m

1 stop

20:50 - 18:28

MEL

SDF

35h 38m

2 stops

$2,225Multiple Airlines

Fri, 14 Aug - Fri, 21 Aug

19:03 - 15:25

SDF

PER

32h 22m

2 stops

23:45 - 17:23

PER

SDF

29h 38m

2 stops

$2,471Multiple Airlines

Wed, 12 Aug - Wed, 19 Aug

15:35 - 16:00

SDF

PER

36h 25m

2 stops

23:55 - 22:31

PER

SDF

34h 36m

3 stops

$3,162Air New Zealand

Fri, 14 Aug - Fri, 21 Aug

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Air Canada flights from Louisville to Australia

Our best Air Canada deals on Louisville to Australia flight tickets

Air Canada

5 Aug

SDF09:00Louisville Intl

32h 20m

3 stops

SYD07:20Sydney Kingsford Smith

18 Aug

SYD09:20Sydney Kingsford Smith

28h 39m

3 stops

SDF23:59Louisville Intl

$2,966

Air Canada

8 Aug

SDF09:00Louisville Intl

32h 20m

3 stops

SYD07:20Sydney Kingsford Smith

12 Aug

SYD09:20Sydney Kingsford Smith

23h 47m

2 stops

SDF19:07Louisville Intl

$3,002

Air Canada

8 Aug

SDF09:00Louisville Intl

32h 20m

2 stops

SYD07:20Sydney Kingsford Smith

12 Aug

SYD09:20Sydney Kingsford Smith

48h 53m

3 stops

SDF20:13Louisville Intl

$3,005

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

3 Aug

SDF15:54Louisville Intl

23h 06m

1 stop

MEL05:00Melbourne

10 Aug

MEL09:00Melbourne

22h 23m

2 stops

SDF17:23Louisville Intl

$1,767

Qantas Airways

26 Aug

SDF08:16Louisville Intl

33h 14m

2 stops

SYD07:30Sydney Kingsford Smith

5 Sept

SYD12:00Sydney Kingsford Smith

24h 17m

1 stop

SDF22:17Louisville Intl

$1,829

Qantas Airways

12 Aug

SDF08:16Louisville Intl

32h 49m

2 stops

SYD07:05Sydney Kingsford Smith

20 Aug

SYD12:00Sydney Kingsford Smith

19h 23m

1 stop

SDF17:23Louisville Intl

$1,848

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 5/8

08:05-06:50

2 stops32h 45m

Sydney Kingsford Smith

Tue 18/8

09:15-19:33

2 stops24h 18m

$1,726

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 3/8

15:41-07:30

2 stops25h 49m

Melbourne

Mon 10/8

10:55-13:07

2 stops40h 12m

$1,726

Fastest return journey

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 3/8

15:54-05:00

1 stop23h 06m

Melbourne

Mon 10/8

09:00-17:23

2 stops22h 23m

$1,767

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 12/8

15:35-07:00

2 stops25h 25m

Sydney Kingsford Smith

Thu 20/8

10:20-22:15

2 stops25h 55m

$1,798

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 26/8

08:16-07:30

2 stops33h 14m

Sydney Kingsford Smith

Sat 5/9

12:00-22:17

1 stop24h 17m

$1,829

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 12/8

08:16-07:05

2 stops32h 49m

Sydney Kingsford Smith

Thu 20/8

12:00-17:23

1 stop19h 23m

$1,848

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 12/8

13:19-06:55

1 stop27h 36m

Sydney Kingsford Smith

Thu 20/8

12:00-23:17

1 stop25h 17m

$1,854

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Fri 14/8

19:03-05:00

1 stop43h 57m

Melbourne

Fri 21/8

20:50-18:28

2 stops35h 38m

$2,225

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Wed 12/8

19:03-15:25

2 stops32h 22m

Perth

Wed 19/8

23:45-17:23

2 stops29h 38m

$2,471

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Fri 14/8

15:35-16:00

2 stops36h 25m

Perth

Fri 21/8

23:55-22:31

3 stops34h 36m

$3,162

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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, December 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 $960. If you don’t want to visit Australia in December, then you should wait until July to fly from Louisville, when ticket prices are also cheap, with an average price of $1,272.

Can stopping save me money on Louisville to Australia flights?

You could potentially save up to 23% 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	25h 35m
Direct flights	None

The fastest flight from Louisville to Australia takes 25h 35m

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

Search flight deals

Frequently asked questions about flying from Louisville 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.

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.