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.

$794 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.

13:55 - 06:55

SDF

SYD

27h 00m

2 stops

09:30 - 19:16

SYD

SDF

23h 46m

2 stops

$1,632United Airlines

Tue, 9 Jun - Wed, 17 Jun

16:42 - 06:50

SDF

SYD

24h 08m

2 stops

09:15 - 21:19

SYD

SDF

26h 04m

2 stops

$1,682Delta

Tue, 21 Apr - Sun, 10 May

06:00 - 07:50

SDF

MEL

35h 50m

2 stops

10:00 - 22:50

MEL

SDF

26h 50m

2 stops

$1,682Delta

Mon, 22 Jun - Wed, 8 Jul

10:32 - 06:50

SDF

SYD

30h 18m

2 stops

09:15 - 23:59

SYD

SDF

28h 44m

2 stops

$1,683Delta

Sun, 17 May - Sun, 24 May

12:07 - 06:55

SDF

PER

29h 48m

2 stops

08:30 - 23:20

PER

SDF

50h 50m

2 stops

$2,659Cathay Pacific

Sun, 1 Mar - Sun, 22 Mar

13:25 - 12:20

SDF

PER

33h 55m

2 stops

22:45 - 15:03

PER

SDF

52h 18m

2 stops

$2,706Qatar Airways

Sun, 1 Mar - Thu, 19 Mar

19:43 - 14:10

SDF

AVV

28h 27m

2 stops

06:00 - 23:25

AVV

SDF

31h 25m

2 stops

$2,957Qantas Airways

Wed, 24 Jun - Wed, 8 Jul

15:55 - 14:10

SDF

AVV

32h 15m

2 stops

06:00 - 23:25

AVV

SDF

31h 25m

2 stops

$3,164Qantas Airways

Wed, 24 Jun - Wed, 8 Jul

15:15 - 15:55

SDF

PER

35h 40m

3 stops

22:55 - 20:14

PER

SDF

33h 19m

3 stops

$6,290Air Canada

Sun, 1 Mar - Sun, 22 Mar

15:15 - 15:55

SDF

PER

35h 40m

3 stops

22:55 - 20:14

PER

SDF

33h 19m

3 stops

$41,400Air Canada

Sun, 1 Mar - Thu, 19 Mar

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

24 June

SDF15:55Louisville Intl

23h 05m

1 stop

MEL05:00Melbourne

8 July

MEL13:35Melbourne

23h 50m

1 stop

SDF23:25Louisville Intl

$2,558

Qantas Airways

24 June

SDF15:55Louisville Intl

23h 05m

1 stop

MEL05:00Melbourne

8 July

MEL13:35Melbourne

23h 50m

1 stop

SDF23:25Louisville Intl

$2,560

Qantas Airways

9 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

$2,580

Air Canada flights from Louisville to Australia

Our best Air Canada deals on Louisville to Australia flight tickets

Air Canada

17 May

SDF05:50Louisville Intl

35h 30m

3 stops

SYD07:20Sydney Kingsford Smith

24 May

SYD09:20Sydney Kingsford Smith

38h 25m

2 stops

SDF09:45Louisville Intl

$2,619

Air Canada

17 May

SDF05:50Louisville Intl

35h 30m

3 stops

SYD07:20Sydney Kingsford Smith

24 May

SYD09:20Sydney Kingsford Smith

41h 40m

3 stops

SDF13:00Louisville Intl

$2,896

Air Canada

9 June

SDF09:00Louisville Intl

32h 20m

3 stops

SYD07:20Sydney Kingsford Smith

17 June

SYD09:20Sydney Kingsford Smith

24h 54m

2 stops

SDF20:14Louisville Intl

$2,987

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 9/6

13:55-06:55

2 stops27h 00m

Sydney Kingsford Smith

Wed 17/6

09:30-19:16

2 stops23h 46m

$1,632

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 21/4

16:42-06:50

2 stops24h 08m

Sydney Kingsford Smith

Sun 10/5

09:15-21:19

2 stops26h 04m

$1,682

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 22/6

06:00-07:50

2 stops35h 50m

Melbourne

Wed 8/7

10:00-22:50

2 stops26h 50m

$1,682

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 17/5

10:32-06:50

2 stops30h 18m

Sydney Kingsford Smith

Sun 24/5

09:15-23:59

2 stops28h 44m

$1,683

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sun 1/3

12:07-06:55

2 stops29h 48m

Perth

Sun 22/3

08:30-23:20

2 stops50h 50m

$2,659

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sun 1/3

13:25-12:20

2 stops33h 55m

Perth

Thu 19/3

22:45-15:03

2 stops52h 18m

$2,706

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Wed 24/6

19:43-14:10

2 stops28h 27m

Melbourne Avalon

Wed 8/7

06:00-23:25

2 stops31h 25m

$2,957

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Wed 24/6

15:55-14:10

2 stops32h 15m

Melbourne Avalon

Wed 8/7

06:00-23:25

2 stops31h 25m

$3,164

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sun 1/3

15:15-15:55

3 stops35h 40m

Perth

Sun 22/3

22:55-20:14

3 stops33h 19m

$6,290

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sun 1/3

15:15-15:55

3 stops35h 40m

Perth

Thu 19/3

22:55-20:14

3 stops33h 19m

$41,400

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 $1,636. 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 $1,761.

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.