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

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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.

07:20 - 06:35

SDF

SYD

33h 15m2 stops

09:15 - 08:45

SYD

SDF

37h 30m2 stops

$1,749Delta

Tue, 9 Jun - Wed, 17 Jun

10:15 - 06:35

SDF

SYD

30h 20m2 stops

09:15 - 23:59

SYD

SDF

28h 44m2 stops

$1,824Delta

Fri, 26 Jun - Tue, 7 Jul

07:00 - 08:30

SDF

SYD

33h 30m2 stops

10:40 - 19:02

SYD

SDF

24h 22m2 stops

$1,899Delta

Fri, 6 Feb - Fri, 13 Feb

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

14:05 - 06:20

SDF

SYD

24h 15m2 stops

11:50 - 19:51

SYD

SDF

24h 01m1 stop

$1,905United Airlines

Sun, 22 Feb - Sun, 1 Mar

15:30 - 07:00

SDF

SYD

24h 30m1 stop

11:20 - 14:31

SYD

SDF

42h 11m1 stop

$1,932Air New Zealand

Mon, 9 Mar - Mon, 30 Mar

06:46 - 11:15

SDF

MEL

38h 29m2 stops

23:45 - 10:43

MEL

SDF

48h 58m2 stops

$2,777Cathay Pacific

Sun, 28 Jun - Thu, 2 Jul

09:15 - 16:50

SDF

PER

42h 35m2 stops

22:55 - 21:46

PER

SDF

35h 51m3 stops

$2,848Air New Zealand

Sun, 22 Feb - Sun, 1 Mar

17:42 - 11:10

SDF

MEL

27h 28m3 stops

09:45 - 21:28

MEL

SDF

25h 43m2 stops

$4,025Multiple Airlines

Tue, 7 Apr - Tue, 14 Apr

15:15 - 14:30

SDF

PER

34h 15m3 stops

22:30 - 22:13

PER

SDF

36h 43m3 stops

$4,070Multiple Airlines

Sun, 22 Feb - Sun, 1 Mar

Air Canada flights from Louisville to Australia

Our best Air Canada deals on Louisville to Australia flight tickets

Air Canada

14 Feb

SDF09:00Louisville Intl

32h 35m

3 stops

SYD09:35Sydney Kingsford Smith

18 Feb

SYD11:20Sydney Kingsford Smith

26h 53m

2 stops

SDF22:13Louisville Intl

$3,191

Air Canada

14 Feb

SDF09:00Louisville Intl

32h 35m

3 stops

SYD09:35Sydney Kingsford Smith

18 Feb

SYD11:20Sydney Kingsford Smith

24h 49m

2 stops

SDF20:09Louisville Intl

$3,192

Air Canada

14 Feb

SDF05:35Louisville Intl

36h 00m

3 stops

SYD09:35Sydney Kingsford Smith

18 Feb

SYD11:20Sydney Kingsford Smith

24h 49m

2 stops

SDF20:09Louisville Intl

$3,258

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

United Airlines

19 Jan

SDF09:15Louisville Intl

29h 45m

1 stop

SYD07:00Sydney Kingsford Smith

27 Jan

SYD11:50Sydney Kingsford Smith

24h 04m

1 stop

SDF19:54Louisville Intl

$1,905

United Airlines

14 Feb

SDF15:15Louisville Intl

26h 00m

2 stops

SYD09:15Sydney Kingsford Smith

18 Feb

SYD12:10Sydney Kingsford Smith

23h 59m

2 stops

SDF20:09Louisville Intl

$1,909

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

07:20-06:35

2 stops33h 15m

Sydney Kingsford Smith

Wed 17/6

09:15-08:45

2 stops37h 30m

$1,749

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 26/6

10:15-06:35

2 stops30h 20m

Sydney Kingsford Smith

Tue 7/7

09:15-23:59

2 stops28h 44m

$1,824

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 6/2

07:00-08:30

2 stops33h 30m

Sydney Kingsford Smith

Fri 13/2

10:40-19:02

2 stops24h 22m

$1,899

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 22/2

14:05-06:20

2 stops24h 15m

Sydney Kingsford Smith

Sun 1/3

11:50-19:51

1 stop24h 01m

$1,905

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 9/3

15:30-07:00

1 stop24h 30m

Sydney Kingsford Smith

Mon 30/3

11:20-14:31

1 stop42h 11m

$1,932

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 28/6

06:46-11:15

2 stops38h 29m

Melbourne

Thu 2/7

23:45-10:43

2 stops48h 58m

$2,777

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sun 22/2

09:15-16:50

2 stops42h 35m

Perth

Sun 1/3

22:55-21:46

3 stops35h 51m

$2,848

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Tue 7/4

17:42-11:10

3 stops27h 28m

Melbourne

Tue 14/4

09:45-21:28

2 stops25h 43m

$4,025

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sun 22/2

15:15-14:30

3 stops34h 15m

Perth

Sun 1/3

22:30-22:13

3 stops36h 43m

$4,070

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 $1,708. If you don’t want to visit Australia in November, then you should wait until June to fly from Louisville, when ticket prices are also cheap, with an average price of $1,838.

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	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.