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 6 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

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

Delta, Qantas Airways, and Air Canada 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 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 February 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.

$555 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 - 6:55 am

SDF

SYD

25h 30m

2 stops

9:30 am - 8:14 pm

SYD

SDF

24h 44m

2 stops

$1,141United Airlines

Tue, Jun 9 - Wed, Jun 17

2:17 pm - 7:25 am

SDF

SYD

26h 08m

2 stops

9:15 am - 9:49 pm

SYD

SDF

26h 34m

2 stops

$1,189Delta

Mon, Mar 16 - Sat, May 16

3:36 pm - 7:00 am

SDF

SYD

25h 24m

2 stops

10:20 am - 8:01 pm

SYD

SDF

23h 41m

2 stops

$1,236United Airlines

Sat, May 16 - Sat, May 30

9:15 am - 7:00 am

SDF

SYD

29h 45m

1 stop

11:50 am - 7:51 pm

SYD

SDF

24h 01m

1 stop

$1,279United Airlines

Sat, Feb 28 - Tue, Mar 3

9:15 am - 9:05 am

SDF

SYD

31h 50m

2 stops

12:10 pm - 10:37 pm

SYD

SDF

26h 27m

2 stops

$1,283United Airlines

Thu, Feb 26 - Sun, Mar 1

8:10 am - 7:50 am

SDF

MEL

33h 40m

2 stops

10:00 am - 10:50 pm

MEL

SDF

26h 50m

2 stops

$1,306Delta

Wed, Jun 24 - Wed, Jul 8

3:30 pm - 1:45 pm

SDF

MEL

31h 15m

2 stops

9:30 am - 8:00 pm

MEL

SDF

24h 30m

2 stops

$1,504Air New Zealand

Wed, Apr 1 - Wed, Apr 8

3:52 pm - 5:00 am

SDF

MEL

23h 08m

1 stop

1:35 pm - 11:25 pm

MEL

SDF

23h 50m

1 stop

$1,779Qantas Airways

Wed, Jun 24 - Wed, Jul 8

7:45 pm - 10:35 am

SDF

MEL

24h 50m

2 stops

1:35 pm - 11:25 pm

MEL

SDF

23h 50m

1 stop

$1,813Qantas Airways

Wed, Jun 24 - Wed, Jul 8

1:30 pm - 6:45 pm

SDF

PER

40h 15m

2 stops

10:45 pm - 11:20 pm

PER

SDF

36h 35m

2 stops

$2,006Qatar Airways

Wed, Mar 4 - Sun, Mar 8

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

Jun 9

SDF3:25 pmLouisville Intl

25h 30m

2 stops

SYD6:55 amSydney Kingsford Smith

Jun 17

SYD9:30 amSydney Kingsford Smith

24h 44m

2 stops

SDF8:14 pmLouisville Intl

$1,141

United Airlines

May 16

SDF3:36 pmLouisville Intl

25h 24m

2 stops

SYD7:00 amSydney Kingsford Smith

May 30

SYD10:20 amSydney Kingsford Smith

23h 41m

2 stops

SDF8:01 pmLouisville Intl

$1,236

United Airlines

Feb 28

SDF9:15 amLouisville Intl

29h 45m

1 stop

SYD7:00 amSydney Kingsford Smith

Mar 3

SYD11:50 amSydney Kingsford Smith

24h 01m

1 stop

SDF7:51 pmLouisville Intl

$1,279

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

Jun 24

SDF3:52 pmLouisville Intl

23h 08m

1 stop

MEL5:00 amMelbourne

Jul 8

MEL1:35 pmMelbourne

23h 50m

1 stop

SDF11:25 pmLouisville Intl

$1,779

Qantas Airways

Jun 24

SDF7:45 pmLouisville Intl

24h 50m

2 stops

MEL10:35 amMelbourne

Jul 8

MEL1:35 pmMelbourne

23h 50m

1 stop

SDF11:25 pmLouisville Intl

$1,813

Qantas Airways

Jun 24

SDF3:52 pmLouisville Intl

23h 08m

1 stop

MEL5:00 amMelbourne

Jul 8

MEL6:45 amMelbourne

24h 46m

2 stops

SDF5:31 pmLouisville Intl

$1,815

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 6/9

3:25 pm-6:55 am

2 stops25h 30m

Sydney Kingsford Smith

Wed 6/17

9:30 am-8:14 pm

2 stops24h 44m

$1,141

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 3/16

2:17 pm-7:25 am

2 stops26h 08m

Sydney Kingsford Smith

Sat 5/16

9:15 am-9:49 pm

2 stops26h 34m

$1,189

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 5/16

3:36 pm-7:00 am

2 stops25h 24m

Sydney Kingsford Smith

Sat 5/30

10:20 am-8:01 pm

2 stops23h 41m

$1,236

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 2/28

9:15 am-7:00 am

1 stop29h 45m

Sydney Kingsford Smith

Tue 3/3

11:50 am-7:51 pm

1 stop24h 01m

$1,279

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 2/26

9:15 am-9:05 am

2 stops31h 50m

Sydney Kingsford Smith

Sun 3/1

12:10 pm-10:37 pm

2 stops26h 27m

$1,283

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 6/24

8:10 am-7:50 am

2 stops33h 40m

Melbourne

Wed 7/8

10:00 am-10:50 pm

2 stops26h 50m

$1,306

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 4/1

3:30 pm-1:45 pm

2 stops31h 15m

Melbourne

Wed 4/8

9:30 am-8:00 pm

2 stops24h 30m

$1,504

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 6/24

3:52 pm-5:00 am

1 stop23h 08m

Melbourne

Wed 7/8

1:35 pm-11:25 pm

1 stop23h 50m

$1,779

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 6/24

7:45 pm-10:35 am

2 stops24h 50m

Melbourne

Wed 7/8

1:35 pm-11:25 pm

1 stop23h 50m

$1,813

LouisvillePerth

SDF - PER

SDFPER

Louisville Intl

Wed 3/4

1:30 pm-6:45 pm

2 stops40h 15m

Perth

Sun 3/8

10:45 pm-11:20 pm

2 stops36h 35m

$2,006

Flights are sorted by cheapest round-trip 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?

The month of November is, on average, the cheapest month to fly to Australia from Louisville, with most prices found around $1,228. If you aren’t able to travel during the month of November, then book flights to Australia from Louisville during August instead. Flights to Australia in August, while not as cheap as those in November, still average around $1,232.

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 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 February 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
United Airlines	PriceFrom $973	Free Cancellation	Rating 7.4 9,308 reviews	Search United Airlines flights
Delta	PriceFrom $985	Free Cancellation	Rating 7.9 8,205 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,380	Free Cancellation	Rating 8.0 585 reviews	Search Air New Zealand 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.