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

Delta, United Airlines, and XiamenAir 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.

$786 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.

15:25 - 07:00

SDF

SYD

25h 35m

2 stops

10:20 - 22:30

SYD

SDF

26h 10m

2 stops

$1,615United Airlines

Tue, 9 Jun - Wed, 17 Jun

15:24 - 07:50

SDF

MEL

26h 26m

2 stops

10:00 - 22:50

MEL

SDF

26h 50m

2 stops

$1,625Delta

Wed, 24 Jun - Wed, 8 Jul

08:00 - 07:00

SDF

SYD

33h 00m

1 stop

09:30 - 22:30

SYD

SDF

27h 00m

2 stops

$1,820Air New Zealand

Fri, 19 Jun - Fri, 26 Jun

15:30 - 10:55

SDF

MEL

28h 25m

2 stops

10:30 - 20:14

MEL

SDF

24h 44m

2 stops

$2,210Air New Zealand

Mon, 9 Mar - Tue, 24 Mar

12:48 - 07:00

SDF

MEL

27h 12m

2 stops

06:00 - 17:15

MEL

SDF

26h 15m

3 stops

$2,293Multiple Airlines

Mon, 9 Mar - Mon, 23 Mar

10:46 - 08:00

SDF

MEL

29h 14m

2 stops

06:15 - 17:15

MEL

SDF

26h 00m

3 stops

$2,301Multiple Airlines

Fri, 6 Mar - Mon, 23 Mar

15:52 - 05:00

SDF

MEL

23h 08m

1 stop

13:35 - 23:25

MEL

SDF

23h 50m

1 stop

$2,519Qantas Airways

Wed, 24 Jun - Wed, 8 Jul

13:30 - 18:45

SDF

PER

40h 15m

2 stops

15:55 - 21:26

PER

SDF

41h 31m

2 stops

$2,840Qatar Airways

Wed, 4 Mar - Sun, 8 Mar

13:30 - 11:55

SDF

PER

33h 25m

2 stops

22:45 - 23:20

PER

SDF

36h 35m

2 stops

$2,842Qatar Airways

Wed, 4 Mar - Sun, 8 Mar

19:45 - 20:20

SDF

AVV

34h 35m

2 stops

06:00 - 23:25

AVV

SDF

31h 25m

2 stops

$3,362Qantas Airways

Wed, 24 Jun - Wed, 8 Jul

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

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

$2,367

Qantas Airways

9 June

SDF19:45Louisville Intl

46h 15m

2 stops

SYD08:00Sydney Kingsford Smith

17 June

SYD12:00Sydney Kingsford Smith

19h 31m

1 stop

SDF17:31Louisville Intl

$2,479

Qantas Airways

24 June

SDF15:52Louisville Intl

23h 08m

1 stop

MEL05:00Melbourne

8 July

MEL13:35Melbourne

23h 50m

1 stop

SDF23:25Louisville Intl

$2,519

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

9 June

SDF15:25Louisville Intl

25h 35m

2 stops

SYD07:00Sydney Kingsford Smith

17 June

SYD09:30Sydney Kingsford Smith

24h 53m

2 stops

SDF20:23Louisville Intl

$1,615

United Airlines

6 Apr

SDF15:36Louisville Intl

25h 19m

2 stops

SYD06:55Sydney Kingsford Smith

13 Apr

SYD09:30Sydney Kingsford Smith

51h 09m

2 stops

SDF22:39Louisville Intl

$1,638

United Airlines

26 Feb

SDF06:00Louisville Intl

36h 00m

2 stops

MEL10:00Melbourne

12 Mar

MEL10:30Melbourne

41h 47m

2 stops

SDF13:17Louisville Intl

$1,720

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

15:25-07:00

2 stops25h 35m

Sydney Kingsford Smith

Wed 17/6

10:20-22:30

2 stops26h 10m

$1,615

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

15:24-07:50

2 stops26h 26m

Melbourne

Wed 8/7

10:00-22:50

2 stops26h 50m

$1,625

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 19/6

08:00-07:00

1 stop33h 00m

Sydney Kingsford Smith

Fri 26/6

09:30-22:30

2 stops27h 00m

$1,820

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 9/3

15:30-10:55

2 stops28h 25m

Melbourne

Tue 24/3

10:30-20:14

2 stops24h 44m

$2,210

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 9/3

12:48-07:00

2 stops27h 12m

Melbourne

Mon 23/3

06:00-17:15

3 stops26h 15m

$2,293

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Fri 6/3

10:46-08:00

2 stops29h 14m

Melbourne

Mon 23/3

06:15-17:15

3 stops26h 00m

$2,301

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

15:52-05:00

1 stop23h 08m

Melbourne

Wed 8/7

13:35-23:25

1 stop23h 50m

$2,519

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Wed 4/3

13:30-18:45

2 stops40h 15m

Perth

Sun 8/3

15:55-21:26

2 stops41h 31m

$2,840

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Wed 4/3

13:30-11:55

2 stops33h 25m

Perth

Sun 8/3

22:45-23:20

2 stops36h 35m

$2,842

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Wed 24/6

19:45-20:20

2 stops34h 35m

Melbourne Avalon

Wed 8/7

06:00-23:25

2 stops31h 25m

$3,362

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 $1,740. 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 $1,745.

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	24h 30m
Direct flights	None

The fastest flight from Louisville to Australia takes 24h 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.