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

Delta and Vietnam Airlines 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.

$821 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.

14:05 - 06:55

SDF

SYD

26h 50m

2 stops

09:30 - 20:01

SYD

SDF

24h 31m

2 stops

$1,763United Airlines

Wed, 10 Jun - Wed, 17 Jun

08:11 - 06:50

SDF

SYD

32h 39m

2 stops

09:15 - 19:13

SYD

SDF

23h 58m

2 stops

$1,877Delta

Tue, 23 Jun - Tue, 7 Jul

10:39 - 06:50

SDF

SYD

30h 11m

2 stops

09:15 - 22:36

SYD

SDF

27h 21m

2 stops

$1,889Delta

Thu, 21 May - Fri, 29 May

09:21 - 07:30

SDF

SYD

32h 09m

1 stop

17:50 - 19:26

SYD

SDF

39h 36m

1 stop

$2,017Multiple Airlines

Wed, 20 May - Fri, 29 May

09:21 - 11:50

SDF

SYD

36h 29m

2 stops

17:50 - 19:26

SYD

SDF

39h 36m

1 stop

$2,024Multiple Airlines

Wed, 20 May - Fri, 29 May

11:06 - 05:00

SDF

MEL

27h 54m

1 stop

13:35 - 23:16

MEL

SDF

23h 41m

1 stop

$2,559American Airlines

Wed, 24 Jun - Wed, 8 Jul

15:52 - 06:45

SDF

MEL

24h 53m

2 stops

13:35 - 23:16

MEL

SDF

23h 41m

1 stop

$2,565Qantas Airways

Wed, 24 Jun - Wed, 8 Jul

15:52 - 16:05

SDF

AVV

34h 13m

2 stops

06:00 - 23:16

AVV

SDF

31h 16m

2 stops

$2,918Qantas Airways

Wed, 24 Jun - Wed, 8 Jul

15:30 - 17:35

SDF

PER

38h 05m

2 stops

22:20 - 22:30

PER

SDF

36h 10m

2 stops

$5,525Emirates

Thu, 7 May - Thu, 14 May

15:36 - 17:35

SDF

PER

37h 59m

2 stops

22:20 - 22:30

PER

SDF

36h 10m

2 stops

$30,403Emirates

Sun, 3 May - Sun, 10 May

Air Canada flights from Louisville to Australia

Our best Air Canada deals on Louisville to Australia flight tickets

Air Canada

2 May

SDF10:06Louisville Intl

31h 14m

3 stops

SYD07:20Sydney Kingsford Smith

6 May

SYD09:20Sydney Kingsford Smith

24h 57m

2 stops

SDF20:17Louisville Intl

$3,049

Air Canada

2 May

SDF10:06Louisville Intl

31h 14m

3 stops

SYD07:20Sydney Kingsford Smith

6 May

SYD09:20Sydney Kingsford Smith

24h 57m

2 stops

SDF20:17Louisville Intl

$3,076

Air Canada

25 Mar

SDF06:00Louisville Intl

35h 35m

3 stops

SYD08:35Sydney Kingsford Smith

7 Apr

SYD09:20Sydney Kingsford Smith

27h 52m

2 stops

SDF23:12Louisville Intl

$5,498

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

24 June

SDF15:52Louisville Intl

24h 53m

2 stops

MEL06:45Melbourne

8 July

MEL13:35Melbourne

23h 41m

1 stop

SDF23:16Louisville Intl

$2,565

Qantas Airways

24 June

SDF18:02Louisville Intl

23h 03m

2 stops

SYD07:05Sydney Kingsford Smith

6 July

SYD12:00Sydney Kingsford Smith

25h 16m

1 stop

SDF23:16Louisville Intl

$2,585

Qantas Airways

26 Aug

SDF17:50Louisville Intl

23h 05m

1 stop

SYD06:55Sydney Kingsford Smith

5 Sept

SYD12:00Sydney Kingsford Smith

19h 29m

1 stop

SDF17:29Louisville Intl

$2,633

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 10/6

14:05-06:55

2 stops26h 50m

Sydney Kingsford Smith

Wed 17/6

09:30-20:01

2 stops24h 31m

$1,763

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 23/6

08:11-06:50

2 stops32h 39m

Sydney Kingsford Smith

Tue 7/7

09:15-19:13

2 stops23h 58m

$1,877

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 21/5

10:39-06:50

2 stops30h 11m

Sydney Kingsford Smith

Fri 29/5

09:15-22:36

2 stops27h 21m

$1,889

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 20/5

09:21-07:30

1 stop32h 09m

Sydney Kingsford Smith

Fri 29/5

17:50-19:26

1 stop39h 36m

$2,017

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 20/5

09:21-11:50

2 stops36h 29m

Sydney Kingsford Smith

Fri 29/5

17:50-19:26

1 stop39h 36m

$2,024

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

11:06-05:00

1 stop27h 54m

Melbourne

Wed 8/7

13:35-23:16

1 stop23h 41m

$2,559

Fastest return journey

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 24/6

15:52-06:45

2 stops24h 53m

Melbourne

Wed 8/7

13:35-23:16

1 stop23h 41m

$2,565

LouisvilleMelbourne

SDF - AVV

SDFAVV

Louisville Intl

Wed 24/6

15:52-16:05

2 stops34h 13m

Melbourne Avalon

Wed 8/7

06:00-23:16

2 stops31h 16m

$2,918

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Thu 7/5

15:30-17:35

2 stops38h 05m

Perth

Thu 14/5

22:20-22:30

2 stops36h 10m

$5,525

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Sun 3/5

15:36-17:35

2 stops37h 59m

Perth

Sun 10/5

22:20-22:30

2 stops36h 10m

$30,403

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 $1,756. 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 $1,761.

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	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

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.