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

Delta, 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.

$827 Cheap Flights from Louisville to Australia in 2026

1 adult

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

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.

13:20 - 06:35

SDF

SYD

27h 15m2 stops

09:15 - 08:45

SYD

SDF

37h 30m2 stops

$1,749Delta

Tue, 9 Jun - Wed, 17 Jun

08:05 - 06:05

SDF

SYD

31h 00m2 stops

09:15 - 22:43

SYD

SDF

27h 28m2 stops

$1,824Delta

Thu, 19 Mar - Sun, 5 Apr

09:15 - 07:00

SDF

SYD

29h 45m1 stop

11:50 - 21:46

SYD

SDF

25h 56m1 stop

$1,903United Airlines

Sat, 14 Feb - Wed, 18 Feb

15:30 - 07:00

SDF

SYD

23h 30m1 stop

11:50 - 19:51

SYD

SDF

24h 01m1 stop

$1,905United Airlines

Sun, 15 Feb - Sun, 22 Feb

15:30 - 07:00

SDF

SYD

23h 30m1 stop

11:50 - 19:51

SYD

SDF

24h 01m1 stop

$1,941Air New Zealand

Mon, 9 Feb - Thu, 12 Feb

06:00 - 10:55

SDF

MEL

36h 55m2 stops

12:10 - 19:51

MEL

SDF

23h 41m2 stops

$2,038Air New Zealand

Mon, 16 Feb - Fri, 20 Feb

09:15 - 20:20

SDF

AVV

43h 05m2 stops

06:00 - 21:59

AVV

SDF

31h 59m2 stops

$2,357Multiple Airlines

Thu, 29 Jan - Thu, 5 Feb

14:04 - 05:00

SDF

MEL

22h 56m1 stop

13:55 - 13:31

MEL

SDF

39h 36m2 stops

$3,527Qantas Airways

Sat, 14 Feb - Sat, 21 Feb

14:04 - 05:00

SDF

MEL

22h 56m1 stop

16:05 - 00:13

MEL

SDF

24h 08m1 stop

$3,567Multiple Airlines

Sat, 14 Feb - Sat, 21 Feb

14:01 - 05:00

SDF

MEL

22h 59m1 stop

13:55 - 13:34

MEL

SDF

39h 39m2 stops

$3,892Qantas Airways

Mon, 16 Feb - Fri, 20 Feb

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

14 Feb

SDF09:15Louisville Intl

29h 45m

1 stop

SYD07:00Sydney Kingsford Smith

18 Feb

SYD11:50Sydney Kingsford Smith

25h 56m

1 stop

SDF21:46Louisville Intl

$1,903

Find similar

United Airlines

15 Feb

SDF15:30Louisville Intl

25h 35m

2 stops

SYD09:05Sydney Kingsford Smith

22 Feb

SYD11:50Sydney Kingsford Smith

24h 01m

1 stop

SDF19:51Louisville Intl

$1,905

Find similar

United Airlines

14 Feb

SDF09:15Louisville Intl

29h 45m

1 stop

SYD07:00Sydney Kingsford Smith

18 Feb

SYD12:10Sydney Kingsford Smith

23h 59m

2 stops

SDF20:09Louisville Intl

$1,911

Find similar

Delta flights from Louisville to Australia

Our best Delta deals on Louisville to Australia flight tickets

Delta

9 June

SDF13:20Louisville Intl

27h 15m

2 stops

SYD06:35Sydney Kingsford Smith

17 June

SYD09:15Sydney Kingsford Smith

37h 30m

2 stops

SDF08:45Louisville Intl

$1,749

Find similar

Delta

4 May

SDF11:01Louisville Intl

29h 34m

2 stops

SYD06:35Sydney Kingsford Smith

17 May

SYD09:15Sydney Kingsford Smith

37h 41m

2 stops

SDF08:56Louisville Intl

$1,751

Find similar

Delta

19 Mar

SDF08:05Louisville Intl

31h 00m

2 stops

SYD06:05Sydney Kingsford Smith

5 Apr

SYD09:15Sydney Kingsford Smith

27h 28m

2 stops

SDF22:43Louisville Intl

$1,824

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

13:20-06:35

2 stops27h 15m

Sydney Kingsford Smith

Wed 17/6

09:15-08:45

2 stops37h 30m

$1,749

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

08:05-06:05

2 stops31h 00m

Sydney Kingsford Smith

Sun 5/4

09:15-22:43

2 stops27h 28m

$1,824

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 14/2

09:15-07:00

1 stop29h 45m

Sydney Kingsford Smith

Wed 18/2

11:50-21:46

1 stop25h 56m

$1,903

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 15/2

15:30-07:00

1 stop23h 30m

Sydney Kingsford Smith

Sun 22/2

11:50-19:51

1 stop24h 01m

$1,905

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 9/2

15:30-07:00

1 stop23h 30m

Sydney Kingsford Smith

Thu 12/2

11:50-19:51

1 stop24h 01m

$1,941

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 16/2

06:00-10:55

2 stops36h 55m

Melbourne

Fri 20/2

12:10-19:51

2 stops23h 41m

$2,038

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Thu 29/1

09:15-20:20

2 stops43h 05m

Melbourne Avalon

Thu 5/2

06:00-21:59

2 stops31h 59m

$2,357

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sat 14/2

14:04-05:00

1 stop22h 56m

Melbourne

Sat 21/2

13:55-13:31

2 stops39h 36m

$3,527

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sat 14/2

14:04-05:00

1 stop22h 56m

Melbourne

Sat 21/2

16:05-00:13

1 stop24h 08m

$3,567

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 16/2

14:01-05:00

1 stop22h 59m

Melbourne

Fri 20/2

13:55-13:34

2 stops39h 39m

$3,892

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 $1,709. 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 $1,794.

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	26h 05m
Direct flights	None

The fastest flight from Louisville to Australia takes 26h 05m

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.