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.

$992 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.

15:25 - 08:15

SDF

MEL

26h 50m

2 stops

10:55 - 09:42

MEL

SDF

36h 47m

2 stops

$1,542United Airlines

Mon, 3 Aug - Mon, 10 Aug

07:00 - 08:30

SDF

SYD

33h 30m

2 stops

10:40 - 20:51

SYD

SDF

26h 11m

2 stops

$1,870Delta

Tue, 1 Dec - Sun, 28 Feb

13:42 - 06:55

SDF

SYD

25h 13m

1 stop

14:05 - 17:35

SYD

SDF

19h 30m

1 stop

$1,959Qantas Airways

Tue, 1 Dec - Sun, 28 Feb

19:03 - 07:30

SDF

SYD

46h 27m

2 stops

12:00 - 22:17

SYD

SDF

24h 17m

1 stop

$1,973Qantas Airways

Wed, 26 Aug - Sat, 5 Sep

08:00 - 06:55

SDF

SYD

32h 55m

1 stop

10:20 - 20:01

SYD

SDF

23h 41m

2 stops

$2,127Air New Zealand

Wed, 22 Jul - Wed, 29 Jul

11:09 - 05:00

SDF

MEL

27h 51m

1 stop

09:00 - 17:23

MEL

SDF

22h 23m

2 stops

$2,764Multiple Airlines

Mon, 3 Aug - Mon, 10 Aug

15:54 - 12:05

SDF

PER

32h 11m

3 stops

23:55 - 22:08

PER

SDF

34h 13m

2 stops

$2,784Multiple Airlines

Sat, 18 Jul - Fri, 24 Jul

17:00 - 18:35

SDF

PER

37h 35m

2 stops

22:45 - 17:29

PER

SDF

54h 44m

2 stops

$2,861Qatar Airways

Mon, 5 Oct - Mon, 19 Oct

11:09 - 18:35

SDF

PER

43h 26m

2 stops

22:45 - 22:17

PER

SDF

35h 32m

2 stops

$2,983Qatar Airways

Thu, 13 Aug - Mon, 17 Aug

09:30 - 16:00

SDF

PER

42h 30m

2 stops

23:55 - 20:23

PER

SDF

32h 28m

3 stops

$3,246Air New Zealand

Fri, 31 Jul - Fri, 7 Aug

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Air New Zealand flights from Louisville to Australia

Our best Air New Zealand deals on Louisville to Australia flight tickets

Air New Zealand

24 June

SDF08:00Louisville Intl

33h 30m

1 stop

MEL07:30Melbourne

8 July

MEL09:30Melbourne

24h 31m

2 stops

SDF20:01Louisville Intl

$1,619

Air New Zealand

24 June

SDF08:00Louisville Intl

33h 30m

1 stop

MEL07:30Melbourne

8 July

MEL09:30Melbourne

28h 29m

2 stops

SDF23:59Louisville Intl

$1,630

Air New Zealand

22 July

SDF08:00Louisville Intl

32h 55m

1 stop

SYD06:55Sydney Kingsford Smith

29 July

SYD10:20Sydney Kingsford Smith

23h 41m

2 stops

SDF20:01Louisville Intl

$2,127

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

3 Aug

SDF15:25Louisville Intl

26h 50m

2 stops

MEL08:15Melbourne

10 Aug

MEL10:55Melbourne

36h 47m

2 stops

SDF09:42Louisville Intl

$1,542

United Airlines

24 June

SDF08:00Louisville Intl

34h 15m

2 stops

MEL08:15Melbourne

8 July

MEL09:30Melbourne

27h 29m

2 stops

SDF22:59Louisville Intl

$1,559

United Airlines

24 June

SDF08:00Louisville Intl

34h 15m

2 stops

MEL08:15Melbourne

8 July

MEL09:30Melbourne

27h 29m

2 stops

SDF22:59Louisville Intl

$1,561

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 3/8

15:25-08:15

2 stops26h 50m

Melbourne

Mon 10/8

10:55-09:42

2 stops36h 47m

$1,542

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 1/12

07:00-08:30

2 stops33h 30m

Sydney Kingsford Smith

Sun 28/2

10:40-20:51

2 stops26h 11m

$1,870

Fastest return journey

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 1/12

13:42-06:55

1 stop25h 13m

Sydney Kingsford Smith

Sun 28/2

14:05-17:35

1 stop19h 30m

$1,959

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 26/8

19:03-07:30

2 stops46h 27m

Sydney Kingsford Smith

Sat 5/9

12:00-22:17

1 stop24h 17m

$1,973

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 22/7

08:00-06:55

1 stop32h 55m

Sydney Kingsford Smith

Wed 29/7

10:20-20:01

2 stops23h 41m

$2,127

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 3/8

11:09-05:00

1 stop27h 51m

Melbourne

Mon 10/8

09:00-17:23

2 stops22h 23m

$2,764

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sat 18/7

15:54-12:05

3 stops32h 11m

Perth

Fri 24/7

23:55-22:08

2 stops34h 13m

$2,784

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Mon 5/10

17:00-18:35

2 stops37h 35m

Perth

Mon 19/10

22:45-17:29

2 stops54h 44m

$2,861

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Thu 13/8

11:09-18:35

2 stops43h 26m

Perth

Mon 17/8

22:45-22:17

2 stops35h 32m

$2,983

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Fri 31/7

09:30-16:00

2 stops42h 30m

Perth

Fri 7/8

23:55-20:23

3 stops32h 28m

$3,246

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 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 $943. 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 $1,249.

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.