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

United Airlines, Delta, 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.

$785 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 - 07:00

SDF

SYD

25h 30m

2 stops

09:30 - 20:14

SYD

SDF

24h 44m

2 stops

$1,612United Airlines

Tue, 9 Jun - Wed, 17 Jun

15:25 - 06:55

SDF

SYD

25h 30m

2 stops

09:30 - 20:14

SYD

SDF

24h 44m

2 stops

$1,613United Airlines

Tue, 9 Jun - Wed, 17 Jun

07:00 - 07:50

SDF

MEL

34h 50m

2 stops

10:00 - 20:52

MEL

SDF

24h 52m

2 stops

$1,845Delta

Wed, 24 Jun - Wed, 8 Jul

08:10 - 07:50

SDF

MEL

33h 40m

2 stops

10:00 - 22:50

MEL

SDF

26h 50m

2 stops

$1,846Delta

Wed, 24 Jun - Wed, 8 Jul

15:52 - 05:00

SDF

MEL

23h 08m

1 stop

13:35 - 23:25

MEL

SDF

23h 50m

1 stop

$2,511Qantas Airways

Wed, 24 Jun - Wed, 8 Jul

15:52 - 05:00

SDF

MEL

23h 08m

1 stop

13:35 - 23:25

MEL

SDF

23h 50m

1 stop

$2,514Qantas Airways

Wed, 24 Jun - Wed, 8 Jul

12:07 - 18:35

SDF

PER

42h 28m

2 stops

22:40 - 11:41

PER

SDF

49h 01m

2 stops

$2,789Qatar Airways

Mon, 30 Mar - Mon, 6 Apr

15:49 - 18:35

SDF

PER

38h 46m

2 stops

22:40 - 15:03

PER

SDF

52h 23m

2 stops

$2,968Qatar Airways

Sat, 28 Mar - Sat, 4 Apr

14:01 - 08:50

SDF

PER

30h 49m

2 stops

23:45 - 21:30

PER

SDF

33h 45m

3 stops

$4,141Multiple Airlines

Mon, 30 Mar - Mon, 6 Apr

14:01 - 12:05

SDF

PER

34h 04m

3 stops

23:45 - 21:30

PER

SDF

33h 45m

3 stops

$5,033Multiple Airlines

Mon, 30 Mar - Mon, 6 Apr

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 30m

2 stops

SYD06:55Sydney Kingsford Smith

17 June

SYD09:30Sydney Kingsford Smith

23h 46m

2 stops

SDF19:16Louisville Intl

$1,612

United Airlines

9 June

SDF15:25Louisville Intl

25h 30m

2 stops

SYD06:55Sydney Kingsford Smith

17 June

SYD09:30Sydney Kingsford Smith

24h 44m

2 stops

SDF20:14Louisville Intl

$1,613

United Airlines

16 Mar

SDF15:30Louisville Intl

24h 30m

1 stop

SYD07:00Sydney Kingsford Smith

16 May

SYD09:30Sydney Kingsford Smith

24h 47m

2 stops

SDF20:17Louisville Intl

$1,681

Air Canada flights from Louisville to Australia

Our best Air Canada deals on Louisville to Australia flight tickets

Air Canada

9 June

SDF13:55Louisville Intl

27h 25m

2 stops

SYD07:20Sydney Kingsford Smith

17 June

SYD09:20Sydney Kingsford Smith

38h 25m

3 stops

SDF09:45Louisville Intl

$3,293

Air Canada

16 Mar

SDF07:05Louisville Intl

34h 30m

3 stops

SYD08:35Sydney Kingsford Smith

16 May

SYD09:20Sydney Kingsford Smith

28h 39m

3 stops

SDF23:59Louisville Intl

$3,310

Air Canada

19 Mar

SDF09:00Louisville Intl

32h 35m

3 stops

SYD08:35Sydney Kingsford Smith

5 Apr

SYD09:20Sydney Kingsford Smith

24h 56m

2 stops

SDF20:16Louisville Intl

$4,058

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

15:30-07:00

2 stops25h 30m

Sydney Kingsford Smith

Wed 17/6

09:30-20:14

2 stops24h 44m

$1,612

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

15:25-06:55

2 stops25h 30m

Sydney Kingsford Smith

Wed 17/6

09:30-20:14

2 stops24h 44m

$1,613

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

07:00-07:50

2 stops34h 50m

Melbourne

Wed 8/7

10:00-20:52

2 stops24h 52m

$1,845

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

08:10-07:50

2 stops33h 40m

Melbourne

Wed 8/7

10:00-22:50

2 stops26h 50m

$1,846

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

$2,511

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

$2,514

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Mon 30/3

12:07-18:35

2 stops42h 28m

Perth

Mon 6/4

22:40-11:41

2 stops49h 01m

$2,789

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sat 28/3

15:49-18:35

2 stops38h 46m

Perth

Sat 4/4

22:40-15:03

2 stops52h 23m

$2,968

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Mon 30/3

14:01-08:50

2 stops30h 49m

Perth

Mon 6/4

23:45-21:30

3 stops33h 45m

$4,141

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Mon 30/3

14:01-12:05

3 stops34h 04m

Perth

Mon 6/4

23:45-21:30

3 stops33h 45m

$5,033

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 $1,736. 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 $1,742.

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 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

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.