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

Delta, Qantas Airways, and United Airlines 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.

$846 Cheap Flights from Louisville to Australia in 2026

Find the cheapest flights from Louisville to Australia

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

15:37 - 09:15SDF Louisville Intl-MEL Melbourne

26h 38m2 stops Houston George Bush Intcntl San Francisco

11:55 - 20:31MEL Melbourne-SDF Louisville Intl

23h 36m2 stops San Francisco Chicago O'Hare Intl

$1,762United Airlines

Mon, 12 Oct - Mon, 19 Oct

15:20 - 10:30SDF Louisville Intl-MEL Melbourne

27h 10m2 stops Denver Intl San Francisco

11:30 - 23:55MEL Melbourne-SDF Louisville Intl

28h 25m2 stops Los Angeles Chicago O'Hare Intl

$1,765United Airlines

Tue, 19 Jan - Tue, 2 Feb

07:05 - 10:30SDF Louisville Intl-MEL Melbourne

35h 25m2 stops Houston George Bush Intcntl San Francisco

12:45 - 21:30MEL Melbourne-SDF Louisville Intl

24h 45m2 stops San Francisco Houston George Bush Intcntl

$1,766United Airlines

Tue, 19 Jan - Tue, 2 Feb

15:45 - 10:30SDF Louisville Intl-MEL Melbourne

26h 45m2 stops Houston George Bush Intcntl San Francisco

12:45 - 23:49MEL Melbourne-SDF Louisville Intl

27h 04m2 stops San Francisco Chicago O'Hare Intl

$1,766United Airlines

Wed, 18 Nov - Tue, 1 Dec

09:02 - 09:30SDF Louisville Intl-MEL Melbourne

32h 28m2 stops Chicago O'Hare Intl Los Angeles

11:30 - 22:24MEL Melbourne-SDF Louisville Intl

26h 54m2 stops Los Angeles Denver Intl

$1,766United Airlines

Wed, 18 Nov - Wed, 25 Nov

14:10 - 09:30SDF Louisville Intl-MEL Melbourne

27h 20m2 stops Chicago O'Hare Intl Los Angeles

12:45 - 23:49MEL Melbourne-SDF Louisville Intl

27h 04m2 stops San Francisco Chicago O'Hare Intl

$1,766United Airlines

Mon, 23 Nov - Tue, 1 Dec

08:00 - 10:30SDF Louisville Intl-MEL Melbourne

34h 30m2 stops Denver Intl San Francisco

12:45 - 21:57MEL Melbourne-SDF Louisville Intl

25h 12m2 stops San Francisco Denver Intl

$1,766United Airlines

Tue, 24 Nov - Tue, 1 Dec

14:10 - 10:30SDF Louisville Intl-MEL Melbourne

28h 20m2 stops Chicago O'Hare Intl San Francisco

12:45 - 23:49MEL Melbourne-SDF Louisville Intl

27h 04m2 stops San Francisco Chicago O'Hare Intl

$1,766United Airlines

Sun, 22 Nov - Tue, 1 Dec

15:45 - 09:30SDF Louisville Intl-MEL Melbourne

25h 45m2 stops Houston George Bush Intcntl Los Angeles

12:45 - 21:57MEL Melbourne-SDF Louisville Intl

49h 12m2 stops San Francisco Denver Intl

$1,789United Airlines

Wed, 18 Nov - Mon, 30 Nov

15:37 - 06:55SDF Louisville Intl-SYD Sydney Kingsford Smith

25h 18m2 stops Houston George Bush Intcntl San Francisco

11:20 - 20:31SYD Sydney Kingsford Smith-SDF Louisville Intl

24h 11m2 stops San Francisco Chicago O'Hare Intl

$1,811United Airlines

Tue, 29 Sep - Mon, 12 Oct

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United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

12 Oct

SDF15:37Louisville Intl

26h 38m

2 stops

MEL09:15Melbourne

19 Oct

MEL11:55Melbourne

23h 36m

2 stops

SDF20:31Louisville Intl

$1,762

United Airlines

19 Jan

SDF15:20Louisville Intl

27h 10m

2 stops

MEL10:30Melbourne

2 Feb

MEL11:30Melbourne

28h 25m

2 stops

SDF23:55Louisville Intl

$1,765

United Airlines

18 Nov

SDF15:45Louisville Intl

26h 45m

2 stops

MEL10:30Melbourne

1 Dec

MEL12:45Melbourne

27h 04m

2 stops

SDF23:49Louisville Intl

$1,766

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

21 Nov

SDF15:44Louisville Intl

25h 16m

2 stops

SYD09:00Sydney Kingsford Smith

28 Nov

SYD14:05Sydney Kingsford Smith

23h 05m

1 stop

SDF21:10Louisville Intl

$2,082

Qantas Airways

18 Nov

SDF15:51Louisville Intl

23h 04m

1 stop

SYD06:55Sydney Kingsford Smith

29 Nov

SYD14:05Sydney Kingsford Smith

20h 03m

1 stop

SDF18:08Louisville Intl

$2,213

Qantas Airways

21 Nov

SDF18:48Louisville Intl

24h 17m

2 stops

SYD11:05Sydney Kingsford Smith

29 Nov

SYD14:05Sydney Kingsford Smith

20h 03m

1 stop

SDF18:08Louisville Intl

$2,288

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Mon 12/10

15:37-09:15

2 stops26h 38m

Melbourne

Mon 19/10

11:55-20:31

2 stops23h 36m

$1,762

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Tue 19/1

15:20-10:30

2 stops27h 10m

Melbourne

Tue 2/2

11:30-23:55

2 stops28h 25m

$1,765

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Tue 19/1

07:05-10:30

2 stops35h 25m

Melbourne

Tue 2/2

12:45-21:30

2 stops24h 45m

$1,766

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Wed 18/11

15:45-10:30

2 stops26h 45m

Melbourne

Tue 1/12

12:45-23:49

2 stops27h 04m

$1,766

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Wed 18/11

09:02-09:30

2 stops32h 28m

Melbourne

Wed 25/11

11:30-22:24

2 stops26h 54m

$1,766

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Mon 23/11

14:10-09:30

2 stops27h 20m

Melbourne

Tue 1/12

12:45-23:49

2 stops27h 04m

$1,766

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Tue 24/11

08:00-10:30

2 stops34h 30m

Melbourne

Tue 1/12

12:45-21:57

2 stops25h 12m

$1,766

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Sun 22/11

14:10-10:30

2 stops28h 20m

Melbourne

Tue 1/12

12:45-23:49

2 stops27h 04m

$1,766

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Wed 18/11

15:45-09:30

2 stops25h 45m

Melbourne

Mon 30/11

12:45-21:57

2 stops49h 12m

$1,789

Fastest return journey

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 29/9

15:37-06:55

2 stops25h 18m

Sydney Kingsford Smith

Mon 12/10

11:20-20:31

2 stops24h 11m

$1,811

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, January 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 $1,684. If you don’t want to visit Australia in January, then you should wait until May to fly from Louisville, when ticket prices are also cheap, with an average price of $1,783.

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

Best price found	$846
Fastest flight time	23h 30m
Direct flights	None

The best one-way flight to Australia from Louisville in the past 72 hours is $846. The best return flight deal from Louisville to Australia found on momondo in the last 72 hours is $1,762.

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

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.