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 50% 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.

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

Qantas Airways and United 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 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 July 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.

$620 Cheap Flights from Louisville to Australia in 2026

Discover deals from 900+ travel sites with momondo.

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.

11:17 am - 6:50 am

SDF

SYD

29h 33m

2 stops

9:15 am - 11:56 pm

SYD

SDF

28h 41m

2 stops

$1,191Delta

Wed, Aug 5 - Wed, Aug 12

4:01 pm - 6:55 am

SDF

SYD

24h 54m

1 stop

12:00 pm - 6:18 pm

SYD

SDF

20h 18m

1 stop

$1,205Multiple Airlines

Wed, Aug 5 - Wed, Aug 12

4:30 pm - 7:50 am

SDF

MEL

25h 20m

2 stops

10:00 am - 9:19 pm

MEL

SDF

25h 19m

2 stops

$1,211Delta

Fri, Aug 7 - Sun, Aug 16

3:35 pm - 7:30 am

SDF

MEL

25h 55m

2 stops

10:55 am - 2:29 pm

MEL

SDF

41h 34m

2 stops

$1,215United Airlines

Mon, Aug 24 - Mon, Aug 31

7:00 pm - 6:55 am

SDF

SYD

21h 55m

1 stop

6:25 am - 10:17 pm

SYD

SDF

29h 52m

2 stops

$1,238Qantas Airways

Sat, Aug 22 - Sat, Aug 29

3:35 pm - 7:30 am

SDF

MEL

25h 55m

2 stops

10:00 am - 2:29 pm

MEL

SDF

66h 29m

3 stops

$1,245United Airlines

Wed, Aug 12 - Tue, Aug 18

7:00 pm - 6:55 am

SDF

SYD

21h 55m

1 stop

12:00 pm - 10:17 pm

SYD

SDF

24h 17m

1 stop

$1,266Qantas Airways

Sat, Aug 22 - Sat, Aug 29

5:59 pm - 6:55 am

SDF

SYD

22h 56m

1 stop

1:00 pm - 5:17 pm

SYD

SDF

19h 17m

1 stop

$1,286Qantas Airways

Wed, Sep 23 - Sun, Oct 11

1:42 pm - 6:55 am

SDF

SYD

25h 13m

1 stop

6:25 am - 3:47 pm

SYD

SDF

25h 22m

2 stops

$1,288Qantas Airways

Tue, Dec 1 - Tue, Dec 8

10:23 am - 7:00 am

SDF

SYD

30h 37m

2 stops

10:20 am - 10:15 pm

SYD

SDF

25h 55m

2 stops

$1,291United Airlines

Sat, Aug 22 - Sat, Aug 29

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Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

Sep 23

SDF5:59 pmLouisville Intl

22h 56m

1 stop

SYD6:55 amSydney Kingsford Smith

Oct 11

SYD1:00 pmSydney Kingsford Smith

19h 17m

1 stop

SDF5:17 pmLouisville Intl

$1,286

Qantas Airways

Nov 4

SDF4:26 pmLouisville Intl

22h 29m

1 stop

SYD6:55 amSydney Kingsford Smith

Nov 11

SYD6:25 amSydney Kingsford Smith

27h 14m

2 stops

SDF5:39 pmLouisville Intl

$1,288

Qantas Airways

Aug 12

SDF1:19 pmLouisville Intl

25h 41m

1 stop

MEL5:00 amMelbourne

Aug 18

MEL7:50 pmMelbourne

36h 28m

2 stops

SDF6:18 pmLouisville Intl

$1,314

Delta flights from Louisville to Australia

Our best Delta deals on Louisville to Australia flight tickets

Delta

Aug 7

SDF4:30 pmLouisville Intl

25h 20m

2 stops

MEL7:50 amMelbourne

Aug 16

MEL10:00 amMelbourne

25h 19m

2 stops

SDF9:19 pmLouisville Intl

$1,211

Delta

Aug 23

SDF7:55 amLouisville Intl

32h 55m

2 stops

SYD6:50 amSydney Kingsford Smith

Aug 30

SYD9:15 amSydney Kingsford Smith

26h 04m

2 stops

SDF9:19 pmLouisville Intl

$1,386

Delta

Oct 17

SDF9:25 amLouisville Intl

31h 25m

2 stops

SYD7:50 amSydney Kingsford Smith

Oct 24

SYD10:15 amSydney Kingsford Smith

25h 59m

2 stops

SDF9:14 pmLouisville Intl

$1,411

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 8/5

11:17 am-6:50 am

2 stops29h 33m

Sydney Kingsford Smith

Wed 8/12

9:15 am-11:56 pm

2 stops28h 41m

$1,191

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 8/5

4:01 pm-6:55 am

1 stop24h 54m

Sydney Kingsford Smith

Wed 8/12

12:00 pm-6:18 pm

1 stop20h 18m

$1,205

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Fri 8/7

4:30 pm-7:50 am

2 stops25h 20m

Melbourne

Sun 8/16

10:00 am-9:19 pm

2 stops25h 19m

$1,211

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 8/24

3:35 pm-7:30 am

2 stops25h 55m

Melbourne

Mon 8/31

10:55 am-2:29 pm

2 stops41h 34m

$1,215

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 8/22

7:00 pm-6:55 am

1 stop21h 55m

Sydney Kingsford Smith

Sat 8/29

6:25 am-10:17 pm

2 stops29h 52m

$1,238

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 8/12

3:35 pm-7:30 am

2 stops25h 55m

Melbourne

Tue 8/18

10:00 am-2:29 pm

3 stops66h 29m

$1,245

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 8/22

7:00 pm-6:55 am

1 stop21h 55m

Sydney Kingsford Smith

Sat 8/29

12:00 pm-10:17 pm

1 stop24h 17m

$1,266

Quickest round-trip

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 9/23

5:59 pm-6:55 am

1 stop22h 56m

Sydney Kingsford Smith

Sun 10/11

1:00 pm-5:17 pm

1 stop19h 17m

$1,286

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 12/1

1:42 pm-6:55 am

1 stop25h 13m

Sydney Kingsford Smith

Tue 12/8

6:25 am-3:47 pm

2 stops25h 22m

$1,288

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 8/22

10:23 am-7:00 am

2 stops30h 37m

Sydney Kingsford Smith

Sat 8/29

10:20 am-10:15 pm

2 stops25h 55m

$1,291

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 December is, on average, the cheapest month to fly to Australia from Louisville, with most prices found around $662. If you aren’t able to travel during the month of December, then book flights to Australia from Louisville during July instead. Flights to Australia in July, while not as cheap as those in December, still average around $877.

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	21h 05m
Direct flights	None

The fastest flight from Louisville to Australia takes 21h 05m

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 July 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 7.8 8,464 reviews		Search Delta flights
United Airlines	PriceFrom $973	Free Cancellation	Rating 7.4 9,983 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.