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

United Airlines, Air New Zealand, and Cathay Pacific 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.

$929 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.

15:30 - 08:15

SDF

MEL

26h 45m

2 stops

09:30 - 20:23

MEL

SDF

24h 53m

2 stops

$1,513United Airlines

Wed, 3 Jun - Fri, 3 Jul

08:00 - 07:30

SDF

MEL

33h 30m

3 stops

09:30 - 19:01

MEL

SDF

23h 31m

2 stops

$1,514United Airlines

Wed, 3 Jun - Fri, 3 Jul

15:25 - 07:00

SDF

SYD

25h 35m

2 stops

09:30 - 20:01

SYD

SDF

24h 31m

2 stops

$1,608United Airlines

Sun, 26 Jul - Wed, 5 Aug

10:00 - 06:50

SDF

SYD

30h 50m

2 stops

09:15 - 19:11

SYD

SDF

23h 56m

2 stops

$1,790Delta

Tue, 28 Jul - Wed, 5 Aug

13:02 - 06:50

SDF

SYD

27h 48m

2 stops

09:15 - 08:46

SYD

SDF

37h 31m

2 stops

$1,856Delta

Fri, 31 Jul - Sun, 9 Aug

09:21 - 07:30

SDF

SYD

32h 09m

1 stop

13:15 - 19:26

SYD

SDF

44h 11m

2 stops

$1,889Multiple Airlines

Wed, 29 Jul - Tue, 4 Aug

09:21 - 07:30

SDF

SYD

32h 09m

1 stop

13:15 - 19:26

SYD

SDF

44h 11m

2 stops

$1,904Multiple Airlines

Wed, 29 Jul - Fri, 7 Aug

08:00 - 07:30

SDF

MEL

33h 30m

1 stop

09:30 - 19:01

MEL

SDF

23h 31m

2 stops

$2,122Air New Zealand

Wed, 24 Jun - Wed, 8 Jul

10:36 - 18:35

SDF

PER

43h 59m

2 stops

22:45 - 12:45

PER

SDF

50h 00m

2 stops

$3,256Qatar Airways

Sun, 18 Oct - Wed, 21 Oct

15:31 - 18:35

SDF

PER

39h 04m

2 stops

22:45 - 12:45

PER

SDF

50h 00m

2 stops

$3,257Qatar Airways

Sun, 18 Oct - Wed, 21 Oct

Delta flights from Louisville to Australia

Our best Delta deals on Louisville to Australia flight tickets

Delta

28 July

SDF10:00Louisville Intl

30h 50m

2 stops

SYD06:50Sydney Kingsford Smith

5 Aug

SYD09:15Sydney Kingsford Smith

23h 56m

2 stops

SDF19:11Louisville Intl

$1,790

Delta

31 July

SDF13:02Louisville Intl

27h 48m

2 stops

SYD06:50Sydney Kingsford Smith

9 Aug

SYD09:15Sydney Kingsford Smith

37h 31m

2 stops

SDF08:46Louisville Intl

$1,856

Delta

25 July

SDF16:28Louisville Intl

48h 22m

2 stops

SYD06:50Sydney Kingsford Smith

8 Aug

SYD09:15Sydney Kingsford Smith

28h 41m

2 stops

SDF23:56Louisville Intl

$1,878

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

3 June

SDF15:30Louisville Intl

26h 45m

2 stops

MEL08:15Melbourne

3 July

MEL09:30Melbourne

24h 53m

2 stops

SDF20:23Louisville Intl

$1,513

United Airlines

3 June

SDF08:00Louisville Intl

33h 30m

3 stops

MEL07:30Melbourne

3 July

MEL09:30Melbourne

23h 31m

2 stops

SDF19:01Louisville Intl

$1,514

United Airlines

26 July

SDF15:25Louisville Intl

25h 35m

2 stops

SYD07:00Sydney Kingsford Smith

5 Aug

SYD09:30Sydney Kingsford Smith

24h 31m

2 stops

SDF20:01Louisville Intl

$1,608

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 3/6

15:30-08:15

2 stops26h 45m

Melbourne

Fri 3/7

09:30-20:23

2 stops24h 53m

$1,513

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 3/6

08:00-07:30

3 stops33h 30m

Melbourne

Fri 3/7

09:30-19:01

2 stops23h 31m

$1,514

Fastest return journey

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 26/7

15:25-07:00

2 stops25h 35m

Sydney Kingsford Smith

Wed 5/8

09:30-20:01

2 stops24h 31m

$1,608

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 28/7

10:00-06:50

2 stops30h 50m

Sydney Kingsford Smith

Wed 5/8

09:15-19:11

2 stops23h 56m

$1,790

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 31/7

13:02-06:50

2 stops27h 48m

Sydney Kingsford Smith

Sun 9/8

09:15-08:46

2 stops37h 31m

$1,856

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 29/7

09:21-07:30

1 stop32h 09m

Sydney Kingsford Smith

Tue 4/8

13:15-19:26

2 stops44h 11m

$1,889

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 29/7

09:21-07:30

1 stop32h 09m

Sydney Kingsford Smith

Fri 7/8

13:15-19:26

2 stops44h 11m

$1,904

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

08:00-07:30

1 stop33h 30m

Melbourne

Wed 8/7

09:30-19:01

2 stops23h 31m

$2,122

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sun 18/10

10:36-18:35

2 stops43h 59m

Perth

Wed 21/10

22:45-12:45

2 stops50h 00m

$3,256

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sun 18/10

15:31-18:35

2 stops39h 04m

Perth

Wed 21/10

22:45-12:45

2 stops50h 00m

$3,257

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, May 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 $727. If you don’t want to visit Australia in May, then you should wait until June to fly from Louisville, when ticket prices are also cheap, with an average price of $739.

Can stopping save me money on Louisville to Australia flights?

You could potentially save up to 23% 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 30m
Direct flights	None

The fastest flight from Louisville to Australia takes 25h 30m

There are no direct flights from Louisville to Australia. There are no popular flight routes from Louisville to Australia.

Search flight deals

Frequently asked questions about flying from Louisville 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.

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.