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

Air New Zealand and United Airlines are the most popular carriers operating from Louisville Intl to Australia

What airlines fly to Australia?

United Airlines, Qantas Airways and American Airlines are the top three most popular airlines that fly to Australia from Louisville according to our data. United Airlines is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 5 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Louisville Intl Airport to Australia?

Prices for flights from Louisville Intl Airport to Australia refresh daily.

How many operators does momondo search for flights from Louisville Intl Airport to Australia?

There are 2 operators available for flights from Louisville Intl Airport to Australia as of May 2026.

How old do you have to be to fly from Louisville Intl Airport to Australia?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Australia.

What documentation or ID do you need to fly to Australia?

The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$724 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 round-trip flights

Enter your travel dates to find the best prices.

3:25 pm - 7:30 am

SDF

MEL

26h 05m

2 stops

9:30 am - 8:23 pm

MEL

SDF

24h 53m

2 stops

$1,097Air New Zealand

Wed, Jun 3 - Wed, Jun 10

8:00 am - 7:30 am

SDF

MEL

33h 30m

1 stop

9:30 am - 7:00 pm

MEL

SDF

23h 30m

2 stops

$1,098Air New Zealand

Wed, Jun 3 - Wed, Jun 10

8:00 am - 7:30 am

SDF

MEL

33h 30m

1 stop

9:30 am - 7:00 pm

MEL

SDF

23h 30m

2 stops

$1,100Air New Zealand

Wed, Jun 3 - Wed, Jun 10

6:00 am - 7:50 am

SDF

MEL

35h 50m

2 stops

10:00 am - 9:18 pm

MEL

SDF

25h 18m

2 stops

$1,106Delta

Wed, Jun 24 - Wed, Jul 8

2:10 pm - 6:55 am

SDF

SYD

26h 45m

2 stops

9:30 am - 8:01 pm

SYD

SDF

24h 31m

2 stops

$1,297United Airlines

Tue, Jun 9 - Wed, Jun 17

5:55 pm - 7:50 am

SDF

MEL

47h 55m

2 stops

10:00 am - 7:30 pm

MEL

SDF

23h 30m

2 stops

$1,335Delta

Sun, Aug 2 - Fri, Aug 7

3:25 pm - 7:00 am

SDF

SYD

25h 35m

2 stops

9:30 am - 7:59 pm

SYD

SDF

24h 29m

2 stops

$1,345United Airlines

Wed, Aug 26 - Sat, Sep 5

9:21 am - 6:45 am

SDF

MEL

31h 24m

1 stop

9:45 am - 7:26 pm

MEL

SDF

23h 41m

1 stop

$1,479Multiple Airlines

Wed, Jun 3 - Wed, Jun 10

9:21 am - 6:45 am

SDF

MEL

31h 24m

1 stop

9:45 am - 7:26 pm

MEL

SDF

23h 41m

1 stop

$1,530Multiple Airlines

Wed, Jun 3 - Wed, Jun 10

6:51 am - 6:50 am

SDF

PER

35h 59m

2 stops

8:20 am - 4:40 pm

PER

SDF

44h 20m

2 stops

$2,452Cathay Pacific

Tue, Jun 30 - Tue, Jul 7

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

Aug 26

SDF7:03 pmLouisville Intl

21h 52m

1 stop

SYD6:55 amSydney Kingsford Smith

Sep 5

SYD12:00 pmSydney Kingsford Smith

24h 17m

1 stop

SDF10:17 pmLouisville Intl

$1,957

Qantas Airways

Jun 1

SDF7:45 pmLouisville Intl

21h 10m

1 stop

SYD6:55 amSydney Kingsford Smith

Jun 5

SYD12:00 pmSydney Kingsford Smith

19h 32m

1 stop

SDF5:32 pmLouisville Intl

$2,298

Qantas Airways

Aug 1

SDF7:49 pmLouisville Intl

21h 06m

1 stop

SYD6:55 amSydney Kingsford Smith

Aug 29

SYD12:00 pmSydney Kingsford Smith

24h 17m

1 stop

SDF10:17 pmLouisville Intl

$2,308

Air Canada flights from Louisville to Australia

Our best Air Canada deals on Louisville to Australia flight tickets

Air Canada

Jun 2

SDF9:00 amLouisville Intl

32h 20m

3 stops

SYD7:20 amSydney Kingsford Smith

Jun 9

SYD9:20 amSydney Kingsford Smith

38h 06m

2 stops

SDF9:26 amLouisville Intl

$2,291

Air Canada

Nov 11

SDF9:00 amLouisville Intl

32h 35m

3 stops

SYD9:35 amSydney Kingsford Smith

Nov 15

SYD11:20 amSydney Kingsford Smith

23h 49m

2 stops

SDF7:09 pmLouisville Intl

$2,356

Air Canada

Jun 9

SDF9:00 amLouisville Intl

32h 20m

3 stops

SYD7:20 amSydney Kingsford Smith

Jun 17

SYD9:20 amSydney Kingsford Smith

38h 06m

2 stops

SDF9:26 amLouisville Intl

$2,401

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 6/3

3:25 pm-7:30 am

2 stops26h 05m

Melbourne

Wed 6/10

9:30 am-8:23 pm

2 stops24h 53m

$1,097

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 6/3

8:00 am-7:30 am

1 stop33h 30m

Melbourne

Wed 6/10

9:30 am-7:00 pm

2 stops23h 30m

$1,098

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 6/3

8:00 am-7:30 am

1 stop33h 30m

Melbourne

Wed 6/10

9:30 am-7:00 pm

2 stops23h 30m

$1,100

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 6/24

6:00 am-7:50 am

2 stops35h 50m

Melbourne

Wed 7/8

10:00 am-9:18 pm

2 stops25h 18m

$1,106

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 6/9

2:10 pm-6:55 am

2 stops26h 45m

Sydney Kingsford Smith

Wed 6/17

9:30 am-8:01 pm

2 stops24h 31m

$1,297

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sun 8/2

5:55 pm-7:50 am

2 stops47h 55m

Melbourne

Fri 8/7

10:00 am-7:30 pm

2 stops23h 30m

$1,335

Quickest round-trip

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 8/26

3:25 pm-7:00 am

2 stops25h 35m

Sydney Kingsford Smith

Sat 9/5

9:30 am-7:59 pm

2 stops24h 29m

$1,345

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 6/3

9:21 am-6:45 am

1 stop31h 24m

Melbourne

Wed 6/10

9:45 am-7:26 pm

1 stop23h 41m

$1,479

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 6/3

9:21 am-6:45 am

1 stop31h 24m

Melbourne

Wed 6/10

9:45 am-7:26 pm

1 stop23h 41m

$1,530

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Tue 6/30

6:51 am-6:50 am

2 stops35h 59m

Perth

Tue 7/7

8:20 am-4:40 pm

2 stops44h 20m

$2,452

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 12 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?

The month of June is, on average, the cheapest month to fly to Australia from Louisville, with most prices found around $536. If you aren’t able to travel during the month of June, then book flights to Australia from Louisville during December instead. Flights to Australia in December, while not as cheap as those in June, still average around $662.

Can stopping save me money on Louisville to Australia flights?

You could potentially save up to 4% 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 19m
Direct flights	None

The fastest flight from Louisville to Australia takes 25h 19m

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 refresh daily.
How many operators does momondo search for flights from Louisville Intl Airport to Australia?
There are 2 operators available for flights from Louisville Intl Airport to Australia as of May 2026.
How old do you have to be to fly from Louisville Intl Airport to Australia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Louisville Intl Airport to Australia.
What documentation or ID do you need to fly to Australia?
The necessary travel and health documents for your Australia trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Louisville to Australia

Compare and see reviews for airlines that fly from Louisville to Australia with momondo

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $662	Free Cancellation	Rating 7.9 8,447 reviews		Search Delta flights
United Airlines	PriceFrom $973	Free Cancellation	Rating 7.4 9,737 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Louisville to Australia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Louisville to Australia. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Louisville to Australia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for Louisville to Australia flights to just show those with flexible booking policies.

How can momondo help me find flights from Louisville to Australia?

Once you have performed a search for Louisville to Australia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Louisville to Australia right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Louisville to Australia flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.