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.

$830 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.

14:05 - 10:00

SDF

MEL

27h 55m2 stops

11:30 - 22:24

MEL

SDF

26h 54m2 stops

$1,743United Airlines

Mon, 26 Jan - Mon, 2 Feb

14:05 - 06:20

SDF

SYD

24h 15m2 stops

11:50 - 19:54

SYD

SDF

24h 04m1 stop

$1,746United Airlines

Mon, 26 Jan - Mon, 2 Feb

15:30 - 09:05

SDF

SYD

25h 35m2 stops

14:00 - 20:28

SYD

SDF

22h 28m2 stops

$1,753United Airlines

Mon, 26 Jan - Mon, 2 Feb

15:30 - 07:00

SDF

SYD

25h 30m2 stops

10:20 - 14:27

SYD

SDF

42h 07m2 stops

$1,777United Airlines

Sun, 10 May - Sun, 17 May

09:15 - 09:25

SDF

MEL

33h 10m2 stops

16:50 - 21:59

MEL

SDF

44h 09m2 stops

$2,076Air New Zealand

Wed, 11 Mar - Tue, 17 Mar

07:05 - 08:00

SDF

MEL

32h 55m2 stops

10:10 - 19:02

MEL

SDF

24h 52m2 stops

$2,204Delta

Mon, 16 Feb - Fri, 20 Feb

15:30 - 09:25

SDF

MEL

25h 55m2 stops

08:35 - 22:30

MEL

SDF

29h 55m3 stops

$2,306Multiple Airlines

Mon, 26 Jan - Mon, 2 Feb

15:30 - 10:55

SDF

MEL

27h 25m2 stops

12:10 - 22:30

MEL

SDF

26h 20m3 stops

$2,405Multiple Airlines

Sun, 1 Feb - Mon, 9 Feb

18:32 - 15:50

SDF

AVV

29h 18m2 stops

06:00 - 20:47

AVV

SDF

30h 47m2 stops

$3,316Qantas Airways

Sun, 1 Feb - Mon, 9 Feb

18:38 - 15:50

SDF

AVV

29h 12m2 stops

10:20 - 17:34

AVV

SDF

23h 14m2 stops

$4,410Qantas Airways

Fri, 20 Feb - Tue, 24 Feb

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

10 May

SDF20:30Louisville Intl

20h 25m

1 stop

SYD06:55Sydney Kingsford Smith

17 May

SYD12:00Sydney Kingsford Smith

19h 30m

1 stop

SDF17:30Louisville Intl

$2,671

Find similar

Qantas Airways

19 Mar

SDF18:24Louisville Intl

21h 31m

1 stop

SYD06:55Sydney Kingsford Smith

5 Apr

SYD12:00Sydney Kingsford Smith

19h 37m

1 stop

SDF17:37Louisville Intl

$2,746

Find similar

Qantas Airways

11 Mar

SDF14:06Louisville Intl

23h 54m

1 stop

MEL05:00Melbourne

17 Mar

MEL21:05Melbourne

31h 31m

2 stops

SDF13:36Louisville Intl

$2,771

Find similar

Air Canada flights from Louisville to Australia

Our best Air Canada deals on Louisville to Australia flight tickets

Air Canada

7 Feb

SDF08:29Louisville Intl

33h 06m

3 stops

SYD09:35Sydney Kingsford Smith

11 Feb

SYD11:20Sydney Kingsford Smith

25h 08m

2 stops

SDF20:28Louisville Intl

$2,839

Find similar

Air Canada

7 Feb

SDF11:10Louisville Intl

30h 25m

3 stops

SYD09:35Sydney Kingsford Smith

11 Feb

SYD11:20Sydney Kingsford Smith

27h 10m

2 stops

SDF22:30Louisville Intl

$2,945

Find similar

Air Canada

19 Mar

SDF09:00Louisville Intl

32h 35m

3 stops

SYD08:35Sydney Kingsford Smith

5 Apr

SYD09:20Sydney Kingsford Smith

25h 01m

2 stops

SDF20:21Louisville Intl

$4,049

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 26/1

14:05-10:00

2 stops27h 55m

Melbourne

Mon 2/2

11:30-22:24

2 stops26h 54m

$1,743

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 26/1

14:05-06:20

2 stops24h 15m

Sydney Kingsford Smith

Mon 2/2

11:50-19:54

1 stop24h 04m

$1,746

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 26/1

15:30-09:05

2 stops25h 35m

Sydney Kingsford Smith

Mon 2/2

14:00-20:28

2 stops22h 28m

$1,753

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 10/5

15:30-07:00

2 stops25h 30m

Sydney Kingsford Smith

Sun 17/5

10:20-14:27

2 stops42h 07m

$1,777

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 11/3

09:15-09:25

2 stops33h 10m

Melbourne

Tue 17/3

16:50-21:59

2 stops44h 09m

$2,076

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 16/2

07:05-08:00

2 stops32h 55m

Melbourne

Fri 20/2

10:10-19:02

2 stops24h 52m

$2,204

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 26/1

15:30-09:25

2 stops25h 55m

Melbourne

Mon 2/2

08:35-22:30

3 stops29h 55m

$2,306

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 1/2

15:30-10:55

2 stops27h 25m

Melbourne

Mon 9/2

12:10-22:30

3 stops26h 20m

$2,405

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Sun 1/2

18:32-15:50

2 stops29h 18m

Melbourne Avalon

Mon 9/2

06:00-20:47

2 stops30h 47m

$3,316

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Fri 20/2

18:38-15:50

2 stops29h 12m

Melbourne Avalon

Tue 24/2

10:20-17:34

2 stops23h 14m

$4,410

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, 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 $1,714. 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 $1,800.

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.