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

Delta 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.

$836 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.

15:30 - 07:00

SDF

SYD

24h 30m1 stop

11:50 - 19:51

SYD

SDF

23h 01m1 stop

$1,758United Airlines

Mon, 16 Mar - Mon, 23 Mar

09:00 - 07:00

SDF

SYD

31h 00m2 stops

11:50 - 19:51

SYD

SDF

23h 01m1 stop

$1,765United Airlines

Mon, 16 Mar - Mon, 23 Mar

09:15 - 08:30

SDF

MEL

32h 15m2 stops

10:30 - 20:14

MEL

SDF

24h 44m2 stops

$1,830United Airlines

Fri, 13 Mar - Sun, 22 Mar

09:15 - 10:55

SDF

MEL

33h 40m2 stops

10:35 - 21:59

MEL

SDF

27h 24m2 stops

$1,913Air New Zealand

Sun, 1 Feb - Sun, 8 Feb

09:15 - 09:25

SDF

MEL

32h 10m2 stops

09:05 - 19:54

MEL

SDF

26h 49m3 stops

$2,033Air New Zealand

Sun, 1 Feb - Sun, 8 Feb

08:55 - 08:00

SDF

MEL

31h 05m2 stops

10:10 - 21:14

MEL

SDF

27h 04m2 stops

$2,219Delta

Mon, 16 Feb - Fri, 20 Feb

15:30 - 10:55

SDF

MEL

27h 25m2 stops

08:35 - 22:13

MEL

SDF

29h 38m3 stops

$3,252Multiple Airlines

Mon, 16 Feb - Fri, 20 Feb

18:24 - 05:00

SDF

MEL

43h 36m1 stop

18:50 - 17:37

MEL

SDF

37h 47m2 stops

$3,310Qantas Airways

Fri, 13 Mar - Sun, 22 Mar

15:30 - 10:55

SDF

MEL

27h 25m2 stops

12:10 - 22:13

MEL

SDF

26h 03m3 stops

$3,404Multiple Airlines

Mon, 16 Feb - Fri, 20 Feb

14:04 - 15:50

SDF

AVV

33h 46m2 stops

10:20 - 17:34

AVV

SDF

23h 14m2 stops

$4,442Qantas Airways

Fri, 20 Feb - Tue, 24 Feb

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

16 Mar

SDF15:30Louisville Intl

24h 30m

1 stop

SYD07:00Sydney Kingsford Smith

23 Mar

SYD11:50Sydney Kingsford Smith

23h 01m

1 stop

SDF19:51Louisville Intl

$1,758

Find similar

United Airlines

13 Mar

SDF09:15Louisville Intl

32h 15m

2 stops

MEL08:30Melbourne

22 Mar

MEL10:30Melbourne

24h 44m

2 stops

SDF20:14Louisville Intl

$1,830

Find similar

United Airlines

31 Jan

SDF05:35Louisville Intl

35h 55m

2 stops

MEL09:30Melbourne

7 Feb

MEL11:30Melbourne

24h 26m

2 stops

SDF19:56Louisville Intl

$1,906

Find similar

Delta flights from Louisville to Australia

Our best Delta deals on Louisville to Australia flight tickets

Delta

16 Mar

SDF10:38Louisville Intl

29h 47m

2 stops

SYD07:25Sydney Kingsford Smith

23 Mar

SYD09:40Sydney Kingsford Smith

26h 20m

2 stops

SDF21:00Louisville Intl

$1,765

Find similar

Delta

16 Feb

SDF07:05Louisville Intl

32h 55m

2 stops

MEL08:00Melbourne

20 Feb

MEL10:10Melbourne

27h 04m

2 stops

SDF21:14Louisville Intl

$2,219

Find similar

Delta

24 Dec

SDF06:00Louisville Intl

34h 00m

3 stops

MEL08:00Melbourne

7 Jan

MEL10:10Melbourne

28h 56m

2 stops

SDF23:06Louisville Intl

$5,000

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 16/3

15:30-07:00

1 stop24h 30m

Sydney Kingsford Smith

Mon 23/3

11:50-19:51

1 stop23h 01m

$1,758

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 16/3

09:00-07:00

2 stops31h 00m

Sydney Kingsford Smith

Mon 23/3

11:50-19:51

1 stop23h 01m

$1,765

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Fri 13/3

09:15-08:30

2 stops32h 15m

Melbourne

Sun 22/3

10:30-20:14

2 stops24h 44m

$1,830

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 1/2

09:15-10:55

2 stops33h 40m

Melbourne

Sun 8/2

10:35-21:59

2 stops27h 24m

$1,913

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 1/2

09:15-09:25

2 stops32h 10m

Melbourne

Sun 8/2

09:05-19:54

3 stops26h 49m

$2,033

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 16/2

08:55-08:00

2 stops31h 05m

Melbourne

Fri 20/2

10:10-21:14

2 stops27h 04m

$2,219

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 16/2

15:30-10:55

2 stops27h 25m

Melbourne

Fri 20/2

08:35-22:13

3 stops29h 38m

$3,252

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Fri 13/3

18:24-05:00

1 stop43h 36m

Melbourne

Sun 22/3

18:50-17:37

2 stops37h 47m

$3,310

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 16/2

15:30-10:55

2 stops27h 25m

Melbourne

Fri 20/2

12:10-22:13

3 stops26h 03m

$3,404

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Fri 20/2

14:04-15:50

2 stops33h 46m

Melbourne Avalon

Tue 24/2

10:20-17:34

2 stops23h 14m

$4,442

Flights are sorted by cheapest return flights first.

Showing 1-10 of 18 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 $1,812.

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.