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.

$782 Cheap Flights from Louisville to Australia in 2026

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.

15:25 - 07:30

SDF

MEL

26h 05m

2 stops

10:55 - 22:59

MEL

SDF

26h 04m

2 stops

$1,606United Airlines

Wed, 24 Jun - Wed, 8 Jul

15:41 - 07:00

SDF

SYD

25h 19m

2 stops

09:30 - 20:01

SYD

SDF

24h 31m

2 stops

$1,608United Airlines

Tue, 9 Jun - Wed, 17 Jun

09:15 - 08:30

SDF

MEL

32h 15m

2 stops

10:55 - 09:10

MEL

SDF

36h 15m

2 stops

$1,629United Airlines

Wed, 1 Apr - Wed, 8 Apr

19:25 - 07:50

SDF

MEL

46h 25m

2 stops

10:00 - 19:01

MEL

SDF

23h 01m

2 stops

$1,710Delta

Tue, 7 Jul - Sun, 26 Jul

15:41 - 07:00

SDF

SYD

25h 19m

2 stops

09:30 - 20:01

SYD

SDF

24h 31m

2 stops

$1,747Air New Zealand

Tue, 9 Jun - Wed, 17 Jun

08:00 - 07:30

SDF

MEL

33h 30m

1 stop

09:30 - 20:23

MEL

SDF

24h 53m

2 stops

$1,786Air New Zealand

Wed, 24 Jun - Wed, 8 Jul

12:53 - 07:50

SDF

MEL

28h 57m

2 stops

10:00 - 19:01

MEL

SDF

23h 01m

2 stops

$1,915Delta

Wed, 8 Jul - Sun, 26 Jul

19:45 - 14:10

SDF

AVV

28h 25m

2 stops

06:00 - 23:25

AVV

SDF

31h 25m

2 stops

$3,378Qantas Airways

Wed, 24 Jun - Wed, 8 Jul

19:45 - 14:10

SDF

AVV

28h 25m

2 stops

06:00 - 17:31

AVV

SDF

25h 31m

2 stops

$3,379Qantas Airways

Wed, 24 Jun - Wed, 8 Jul

19:43 - 14:10

SDF

AVV

28h 27m

2 stops

06:00 - 17:31

AVV

SDF

25h 31m

2 stops

$3,902Multiple Airlines

Thu, 9 Jul - Thu, 23 Jul

Air New Zealand flights from Louisville to Australia

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

Air New Zealand

9 June

SDF15:41Louisville Intl

25h 19m

2 stops

SYD07:00Sydney Kingsford Smith

17 June

SYD09:30Sydney Kingsford Smith

24h 31m

2 stops

SDF20:01Louisville Intl

$1,747

Air New Zealand

24 June

SDF08:00Louisville Intl

33h 30m

1 stop

MEL07:30Melbourne

8 July

MEL09:30Melbourne

24h 53m

2 stops

SDF20:23Louisville Intl

$1,786

Air New Zealand

26 Aug

SDF09:30Louisville Intl

35h 10m

2 stops

SYD10:40Sydney Kingsford Smith

5 Sept

SYD09:55Sydney Kingsford Smith

26h 19m

2 stops

SDF22:14Louisville Intl

$1,798

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

24 June

SDF15:52Louisville Intl

23h 08m

1 stop

MEL05:00Melbourne

8 July

MEL13:35Melbourne

23h 50m

1 stop

SDF23:25Louisville Intl

$2,547

Qantas Airways

10 June

SDF19:45Louisville Intl

21h 10m

1 stop

SYD06:55Sydney Kingsford Smith

17 June

SYD12:00Sydney Kingsford Smith

25h 19m

1 stop

SDF23:19Louisville Intl

$2,555

Qantas Airways

10 June

SDF15:52Louisville Intl

25h 03m

1 stop

SYD06:55Sydney Kingsford Smith

17 June

SYD09:10Sydney Kingsford Smith

22h 22m

2 stops

SDF17:32Louisville Intl

$2,574

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

15:25-07:30

2 stops26h 05m

Melbourne

Wed 8/7

10:55-22:59

2 stops26h 04m

$1,606

Fastest return journey

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

15:41-07:00

2 stops25h 19m

Sydney Kingsford Smith

Wed 17/6

09:30-20:01

2 stops24h 31m

$1,608

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 1/4

09:15-08:30

2 stops32h 15m

Melbourne

Wed 8/4

10:55-09:10

2 stops36h 15m

$1,629

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Tue 7/7

19:25-07:50

2 stops46h 25m

Melbourne

Sun 26/7

10:00-19:01

2 stops23h 01m

$1,710

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

15:41-07:00

2 stops25h 19m

Sydney Kingsford Smith

Wed 17/6

09:30-20:01

2 stops24h 31m

$1,747

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

08:00-07:30

1 stop33h 30m

Melbourne

Wed 8/7

09:30-20:23

2 stops24h 53m

$1,786

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 8/7

12:53-07:50

2 stops28h 57m

Melbourne

Sun 26/7

10:00-19:01

2 stops23h 01m

$1,915

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Wed 24/6

19:45-14:10

2 stops28h 25m

Melbourne Avalon

Wed 8/7

06:00-23:25

2 stops31h 25m

$3,378

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Wed 24/6

19:45-14:10

2 stops28h 25m

Melbourne Avalon

Wed 8/7

06:00-17:31

2 stops25h 31m

$3,379

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Thu 9/7

19:43-14:10

2 stops28h 27m

Melbourne Avalon

Thu 23/7

06:00-17:31

2 stops25h 31m

$3,902

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 $1,749. If you don’t want to visit Australia in November, then you should wait until August to fly from Louisville, when ticket prices are also cheap, with an average price of $1,754.

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	25h 24m
Direct flights	None

The fastest flight from Louisville to Australia takes 25h 24m

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.