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

Delta is the most popular carrier 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.

$940 Cheap Flights from Louisville to Australia in 2026

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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.

15:41 - 06:55

SDF

SYD

25h 14m

2 stops

09:30 - 20:01

SYD

SDF

24h 31m

2 stops

$1,915United Airlines

Tue, 9 Jun - Wed, 17 Jun

15:25 - 07:00

SDF

SYD

25h 35m

2 stops

09:30 - 20:01

SYD

SDF

24h 31m

2 stops

$1,917United Airlines

Tue, 9 Jun - Wed, 17 Jun

06:00 - 06:50

SDF

SYD

34h 50m

2 stops

09:15 - 18:44

SYD

SDF

23h 29m

2 stops

$2,042Delta

Sun, 19 Apr - Wed, 22 Apr

14:34 - 06:50

SDF

SYD

26h 16m

2 stops

09:15 - 23:52

SYD

SDF

28h 37m

2 stops

$2,044Delta

Fri, 8 May - Fri, 15 May

09:31 - 11:50

SDF

SYD

36h 19m

2 stops

17:50 - 19:26

SYD

SDF

39h 36m

1 stop

$2,129Multiple Airlines

Fri, 8 May - Fri, 15 May

15:41 - 10:40

SDF

SYD

28h 59m

2 stops

10:20 - 14:19

SYD

SDF

41h 59m

1 stop

$2,470Air New Zealand

Sat, 15 Aug - Sat, 22 Aug

09:30 - 08:45

SDF

SYD

33h 15m

2 stops

11:55 - 09:02

SYD

SDF

35h 07m

3 stops

$2,729Multiple Airlines

Wed, 10 Jun - Wed, 17 Jun

15:52 - 05:00

SDF

MEL

23h 08m

1 stop

13:35 - 23:16

MEL

SDF

23h 41m

1 stop

$3,045Qantas Airways

Wed, 24 Jun - Wed, 8 Jul

15:52 - 05:00

SDF

MEL

23h 08m

1 stop

13:35 - 23:16

MEL

SDF

23h 41m

1 stop

$3,089Qantas Airways

Wed, 24 Jun - Wed, 8 Jul

08:00 - 12:30

SDF

PER

40h 30m

2 stops

15:30 - 22:14

PER

SDF

42h 44m

3 stops

$12,377Air New Zealand

Sat, 1 Aug - Tue, 1 Sep

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

9 June

SDF15:41Louisville Intl

25h 14m

2 stops

SYD06:55Sydney Kingsford Smith

17 June

SYD09:30Sydney Kingsford Smith

24h 31m

2 stops

SDF20:01Louisville Intl

$1,915

United Airlines

9 June

SDF15:25Louisville Intl

25h 35m

2 stops

SYD07:00Sydney Kingsford Smith

17 June

SYD09:30Sydney Kingsford Smith

24h 31m

2 stops

SDF20:01Louisville Intl

$1,917

United Airlines

19 May

SDF15:30Louisville Intl

26h 45m

2 stops

MEL08:15Melbourne

26 May

MEL10:55Melbourne

25h 35m

2 stops

SDF22:30Louisville Intl

$2,136

Air New Zealand flights from Louisville to Australia

Our best Air New Zealand deals on Louisville to Australia flight tickets

Air New Zealand

15 Aug

SDF15:41Louisville Intl

28h 59m

2 stops

SYD10:40Sydney Kingsford Smith

22 Aug

SYD10:20Sydney Kingsford Smith

41h 59m

1 stop

SDF14:19Louisville Intl

$2,470

Air New Zealand

15 June

SDF09:30Louisville Intl

35h 10m

2 stops

SYD10:40Sydney Kingsford Smith

19 June

SYD10:20Sydney Kingsford Smith

42h 08m

1 stop

SDF14:28Louisville Intl

$3,160

Air New Zealand

24 Apr

SDF09:15Louisville Intl

35h 40m

2 stops

MEL10:55Melbourne

26 Apr

MEL15:00Melbourne

44h 59m

2 stops

SDF21:59Louisville Intl

$3,650

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

15:41-06:55

2 stops25h 14m

Sydney Kingsford Smith

Wed 17/6

09:30-20:01

2 stops24h 31m

$1,915

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

15:25-07:00

2 stops25h 35m

Sydney Kingsford Smith

Wed 17/6

09:30-20:01

2 stops24h 31m

$1,917

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 19/4

06:00-06:50

2 stops34h 50m

Sydney Kingsford Smith

Wed 22/4

09:15-18:44

2 stops23h 29m

$2,042

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 8/5

14:34-06:50

2 stops26h 16m

Sydney Kingsford Smith

Fri 15/5

09:15-23:52

2 stops28h 37m

$2,044

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Fri 8/5

09:31-11:50

2 stops36h 19m

Sydney Kingsford Smith

Fri 15/5

17:50-19:26

1 stop39h 36m

$2,129

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 15/8

15:41-10:40

2 stops28h 59m

Sydney Kingsford Smith

Sat 22/8

10:20-14:19

1 stop41h 59m

$2,470

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 10/6

09:30-08:45

2 stops33h 15m

Sydney Kingsford Smith

Wed 17/6

11:55-09:02

3 stops35h 07m

$2,729

Fastest return journey

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

15:52-05:00

1 stop23h 08m

Melbourne

Wed 8/7

13:35-23:16

1 stop23h 41m

$3,045

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

15:52-05:00

1 stop23h 08m

Melbourne

Wed 8/7

13:35-23:16

1 stop23h 41m

$3,089

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sat 1/8

08:00-12:30

2 stops40h 30m

Perth

Tue 1/9

15:30-22:14

3 stops42h 44m

$12,377

Flights are sorted by cheapest return flights first.

Showing 1-10 of 14 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 $1,769. 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 $1,774.

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 14m
Direct flights	None

The fastest flight from Louisville to Australia takes 25h 14m

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.