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.

$826 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

Cheap return flights

Enter your travel dates to find the best prices.

10:43 - 06:35

SDF

SYD

29h 52m2 stops

09:15 - 08:45

SYD

SDF

37h 30m2 stops

$1,745Delta

Tue, 9 Jun - Wed, 17 Jun

08:10 - 06:35

SDF

SYD

32h 25m2 stops

09:15 - 08:45

SYD

SDF

37h 30m2 stops

$1,747Delta

Tue, 9 Jun - Wed, 17 Jun

07:05 - 06:05

SDF

SYD

32h 00m2 stops

09:15 - 21:16

SYD

SDF

26h 01m2 stops

$1,820Delta

Thu, 19 Mar - Sun, 5 Apr

14:05 - 06:20

SDF

SYD

24h 15m2 stops

11:50 - 19:51

SYD

SDF

24h 01m1 stop

$1,889United Airlines

Sun, 1 Feb - Sun, 15 Feb

10:13 - 08:30

SDF

SYD

30h 17m2 stops

14:15 - 23:06

SYD

SDF

24h 51m2 stops

$1,895Delta

Sat, 31 Jan - Sat, 7 Feb

09:15 - 07:00

SDF

SYD

29h 45m1 stop

11:50 - 21:46

SYD

SDF

25h 56m1 stop

$1,901United Airlines

Sat, 14 Feb - Wed, 18 Feb

15:15 - 09:05

SDF

SYD

25h 50m2 stops

11:50 - 19:51

SYD

SDF

24h 01m1 stop

$1,907United Airlines

Sat, 14 Feb - Wed, 18 Feb

06:00 - 10:55

SDF

MEL

36h 55m2 stops

12:10 - 19:51

MEL

SDF

23h 41m2 stops

$2,044Air New Zealand

Mon, 16 Feb - Fri, 20 Feb

14:01 - 05:00

SDF

MEL

22h 59m1 stop

09:20 - 13:34

MEL

SDF

44h 14m2 stops

$3,885Qantas Airways

Mon, 16 Feb - Fri, 20 Feb

14:13 - 15:50

SDF

AVV

33h 37m2 stops

06:00 - 17:37

AVV

SDF

27h 37m2 stops

$4,390Qantas Airways

Sun, 8 Feb - Thu, 12 Feb

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

1 Feb

SDF14:05Louisville Intl

24h 15m

2 stops

SYD06:20Sydney Kingsford Smith

15 Feb

SYD11:50Sydney Kingsford Smith

24h 01m

1 stop

SDF19:51Louisville Intl

$1,889

Find similar

United Airlines

14 Feb

SDF09:15Louisville Intl

29h 45m

1 stop

SYD07:00Sydney Kingsford Smith

18 Feb

SYD11:50Sydney Kingsford Smith

24h 01m

1 stop

SDF19:51Louisville Intl

$1,901

Find similar

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

$1,907

Find similar

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

4 May

SDF17:42Louisville Intl

23h 13m

1 stop

SYD06:55Sydney Kingsford Smith

17 May

SYD12:00Sydney Kingsford Smith

21h 24m

1 stop

SDF19:24Louisville Intl

$2,683

Find similar

Qantas Airways

4 May

SDF17:42Louisville Intl

24h 18m

2 stops

SYD08:00Sydney Kingsford Smith

17 May

SYD12:00Sydney Kingsford Smith

21h 24m

1 stop

SDF19:24Louisville Intl

$2,694

Find similar

Qantas Airways

10 June

SDF19:43Louisville Intl

21h 12m

1 stop

SYD06:55Sydney Kingsford Smith

17 June

SYD12:00Sydney Kingsford Smith

25h 25m

1 stop

SDF23:25Louisville Intl

$3,019

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

10:43-06:35

2 stops29h 52m

Sydney Kingsford Smith

Wed 17/6

09:15-08:45

2 stops37h 30m

$1,745

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

08:10-06:35

2 stops32h 25m

Sydney Kingsford Smith

Wed 17/6

09:15-08:45

2 stops37h 30m

$1,747

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 19/3

07:05-06:05

2 stops32h 00m

Sydney Kingsford Smith

Sun 5/4

09:15-21:16

2 stops26h 01m

$1,820

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 1/2

14:05-06:20

2 stops24h 15m

Sydney Kingsford Smith

Sun 15/2

11:50-19:51

1 stop24h 01m

$1,889

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 31/1

10:13-08:30

2 stops30h 17m

Sydney Kingsford Smith

Sat 7/2

14:15-23:06

2 stops24h 51m

$1,895

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

$1,901

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 14/2

15:15-09:05

2 stops25h 50m

Sydney Kingsford Smith

Wed 18/2

11:50-19:51

1 stop24h 01m

$1,907

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 16/2

06:00-10:55

2 stops36h 55m

Melbourne

Fri 20/2

12:10-19:51

2 stops23h 41m

$2,044

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 16/2

14:01-05:00

1 stop22h 59m

Melbourne

Fri 20/2

09:20-13:34

2 stops44h 14m

$3,885

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Sun 8/2

14:13-15:50

2 stops33h 37m

Melbourne Avalon

Thu 12/2

06:00-17:37

2 stops27h 37m

$4,390

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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 $1,705. 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 $1,835.

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	26h 30m
Direct flights	None

The fastest flight from Louisville to Australia takes 26h 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.