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 38% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 4 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?

United Airlines 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 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 September 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.

$607 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.

5:26 pm - 7:35 amSDF Louisville Intl-SYD Sydney Kingsford Smith

46h 09m2 stops Dallas/Fort Worth Auckland Intl

2:05 pm - 6:09 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

20h 04m1 stop Dallas/Fort Worth

$1,145Qantas Airways

Sun, Nov 1 - Fri, Nov 13

7:13 pm - 3:35 pmSDF Louisville Intl-MEL Melbourne

28h 22m2 stops Dallas/Fort Worth Auckland Intl

12:00 pm - 6:28 pmMEL Melbourne-SDF Louisville Intl

22h 28m1 stop Dallas/Fort Worth

$1,156Qantas Airways

Mon, Mar 1 - Tue, Mar 9

5:26 pm - 2:50 pmSDF Louisville Intl-SYD Sydney Kingsford Smith

29h 24m2 stops Dallas/Fort Worth Auckland Intl

11:15 am - 6:09 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

22h 54m2 stops Los Angeles Los Angeles Dallas/Fort Worth

$1,191Multiple Airlines

Sun, Nov 1 - Fri, Nov 13

5:26 pm - 5:00 amSDF Louisville Intl-MEL Melbourne

43h 34m1 stop Dallas/Fort Worth

6:30 pm - 4:02 pmMEL Melbourne-SDF Louisville Intl

37h 32m2 stops Auckland Intl Dallas/Fort Worth

$1,218Qantas Airways

Fri, Nov 13 - Mon, Nov 30

9:02 am - 9:30 amSDF Louisville Intl-MEL Melbourne

33h 28m2 stops Chicago O'Hare Intl San Francisco

12:45 pm - 11:30 pmMEL Melbourne-SDF Louisville Intl

25h 45m2 stops San Francisco Chicago O'Hare Intl

$1,220United Airlines

Sun, Oct 25 - Sun, Nov 1

3:30 pm - 9:30 amSDF Louisville Intl-MEL Melbourne

26h 00m2 stops Houston George Bush Intcntl Los Angeles Los Angeles

11:30 am - 9:30 pmMEL Melbourne-SDF Louisville Intl

26h 00m2 stops Los Angeles Los Angeles Houston George Bush Intcntl

$1,220United Airlines

Tue, Dec 1 - Fri, Feb 26

9:04 am - 9:15 amSDF Louisville Intl-MEL Melbourne

33h 11m2 stops Chicago O'Hare Intl San Francisco

11:45 am - 10:38 amMEL Melbourne-SDF Louisville Intl

37h 53m2 stops San Francisco Chicago O'Hare Intl

$1,220United Airlines

Sun, Oct 18 - Sat, Oct 31

7:55 pm - 7:50 amSDF Louisville Intl-SYD Sydney Kingsford Smith

44h 55m2 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles

10:40 am - 7:10 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

24h 30m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$1,315Delta

Sun, Oct 18 - Mon, Nov 2

7:55 pm - 7:50 amSDF Louisville Intl-SYD Sydney Kingsford Smith

44h 55m2 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles

10:40 am - 7:10 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

24h 30m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$1,315Delta

Mon, Oct 19 - Mon, Nov 2

3:26 pm - 7:50 amSDF Louisville Intl-SYD Sydney Kingsford Smith

25h 24m2 stops Atlanta Hartsfield-Jackson Los Angeles Los Angeles

10:40 am - 10:47 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

28h 07m2 stops Los Angeles Los Angeles Atlanta Hartsfield-Jackson

$1,315Delta

Mon, Oct 19 - Tue, Nov 3

Cheap last minute flights

Enter your travel dates to find the best prices.

9:00 am - 8:15 amSDF Louisville Intl-MEL Melbourne

33h 15m2 stops Chicago O'Hare Intl San Francisco

10:55 am - 10:15 pmMEL Melbourne-SDF Louisville Intl

25h 20m2 stops San Francisco Houston George Bush Intcntl

$1,548United Airlines

Tue, Sep 15 - Tue, Sep 22

1:22 pm - 10:15 pmSDF Louisville Intl-MEL Melbourne

42h 53m2 stops Dallas/Fort Worth Hong Kong Intl

6:50 pm - 10:33 pmMEL Melbourne-SDF Louisville Intl

41h 43m3 stops Brisbane Hong Kong Intl Chicago O'Hare Intl

$1,792Multiple Airlines

Tue, Sep 15 - Tue, Sep 22

7:03 am - 3:50 pmSDF Louisville Intl-MEL Melbourne

42h 47m3 stops Chicago O'Hare Intl Hong Kong Intl Brisbane

6:50 pm - 10:33 pmMEL Melbourne-SDF Louisville Intl

41h 43m3 stops Brisbane Hong Kong Intl Chicago O'Hare Intl

$1,870Multiple Airlines

Tue, Sep 15 - Tue, Sep 22

5:59 pm - 2:10 pmSDF Louisville Intl-AVV Melbourne Avalon

30h 11m2 stops Dallas/Fort Worth Sydney Kingsford Smith

6:00 am - 5:19 pmAVV Melbourne Avalon-SDF Louisville Intl

25h 19m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$3,757Qantas Airways

Tue, Sep 15 - Tue, Sep 22

4:19 pm - 10:40 pmSDF Louisville Intl-PER Perth

42h 21m2 stops Dallas/Fort Worth Hong Kong Intl

8:20 am - 3:53 pmPER Perth-SDF Louisville Intl

43h 33m2 stops Hong Kong Intl Boston Logan Intl

$8,109Cathay Pacific

Tue, Sep 15 - Tue, Sep 22

1:22 pm - 10:40 pmSDF Louisville Intl-PER Perth

45h 18m2 stops Dallas/Fort Worth Hong Kong Intl

8:20 am - 2:23 pmPER Perth-SDF Louisville Intl

42h 03m3 stops Hong Kong Intl Los Angeles Los Angeles Denver Intl

$10,551Multiple Airlines

Tue, Sep 15 - Tue, Sep 22

6:00 am - 3:25 pmSDF Louisville Intl-PER Perth

45h 25m3 stops Miami Los Angeles Los Angeles Sydney Kingsford Smith

11:55 pm - 5:31 pmPER Perth-SDF Louisville Intl

29h 36m3 stops Sydney Kingsford Smith Los Angeles Los Angeles Chicago O'Hare Intl

$14,299Qantas Airways

Tue, Sep 15 - Tue, Sep 22

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Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

Nov 1

SDF5:26 pmLouisville Intl

46h 09m

2 stops

SYD7:35 amSydney Kingsford Smith

Nov 13

SYD2:05 pmSydney Kingsford Smith

20h 04m

1 stop

SDF6:09 pmLouisville Intl

$1,145

Qantas Airways

Mar 1

SDF7:13 pmLouisville Intl

28h 22m

2 stops

MEL3:35 pmMelbourne

Mar 9

MEL12:00 pmMelbourne

22h 28m

1 stop

SDF6:28 pmLouisville Intl

$1,156

Qantas Airways

Nov 13

SDF5:26 pmLouisville Intl

43h 34m

1 stop

MEL5:00 amMelbourne

Nov 30

MEL6:30 pmMelbourne

39h 38m

2 stops

SDF6:08 pmLouisville Intl

$1,218

Delta flights from Louisville to Australia

Our best Delta deals on Louisville to Australia flight tickets

Delta

Oct 17

SDF5:59 pmLouisville Intl

46h 51m

2 stops

SYD7:50 amSydney Kingsford Smith

Nov 2

SYD10:40 amSydney Kingsford Smith

24h 30m

2 stops

SDF7:10 pmLouisville Intl

$1,332

Delta

Oct 7

SDF7:00 amLouisville Intl

33h 50m

2 stops

SYD7:50 amSydney Kingsford Smith

Oct 13

SYD10:15 amSydney Kingsford Smith

26h 18m

2 stops

SDF9:33 pmLouisville Intl

$1,709

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 11/1

5:26 pm-7:35 am

2 stops46h 09m

Sydney Kingsford Smith

Fri 11/13

2:05 pm-6:09 pm

1 stop20h 04m

$1,145

Quickest round-trip

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Mon 3/1

7:13 pm-3:35 pm

2 stops28h 22m

Melbourne

Tue 3/9

12:00 pm-6:28 pm

1 stop22h 28m

$1,156

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 11/1

5:26 pm-2:50 pm

2 stops29h 24m

Sydney Kingsford Smith

Fri 11/13

11:15 am-6:09 pm

2 stops22h 54m

$1,191

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Fri 11/13

5:26 pm-5:00 am

1 stop43h 34m

Melbourne

Mon 11/30

6:30 pm-4:02 pm

2 stops37h 32m

$1,218

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Sun 10/25

9:02 am-9:30 am

2 stops33h 28m

Melbourne

Sun 11/1

12:45 pm-11:30 pm

2 stops25h 45m

$1,220

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Tue 12/1

3:30 pm-9:30 am

2 stops26h 00m

Melbourne

Fri 2/26

11:30 am-9:30 pm

2 stops26h 00m

$1,220

LouisvilleMelbourne

SDF Louisville Intl - MEL Melbourne

SDFMEL

Louisville Intl

Sun 10/18

9:04 am-9:15 am

2 stops33h 11m

Melbourne

Sat 10/31

11:45 am-10:38 am

2 stops37h 53m

$1,220

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 10/18

7:55 pm-7:50 am

2 stops44h 55m

Sydney Kingsford Smith

Mon 11/2

10:40 am-7:10 pm

2 stops24h 30m

$1,315

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 10/19

7:55 pm-7:50 am

2 stops44h 55m

Sydney Kingsford Smith

Mon 11/2

10:40 am-7:10 pm

2 stops24h 30m

$1,315

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 10/19

3:26 pm-7:50 am

2 stops25h 24m

Sydney Kingsford Smith

Tue 11/3

10:40 am-10:47 pm

2 stops28h 07m

$1,315

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 16 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 January is, on average, the cheapest month to fly to Australia from Louisville, with most prices found around $1,210. If you aren’t able to travel during the month of January, then book flights to Australia from Louisville during May instead. Flights to Australia in May, while not as cheap as those in January, still average around $1,252.

Can stopping save me money on Louisville to Australia flights?

You could potentially save up to 29% 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

Best Price Found	$607
Fastest flight time	24h 04m
Direct flights	None

The best one-way flight to Australia from Louisville in the past 72 hours is $607. The best round-trip flight deal from Louisville to Australia found on momondo in the last 72 hours is $1,145.

The fastest flight from Louisville to Australia takes 24h 04m

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 September 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 $1,119	Free Cancellation	Rating 7.4 10,194 reviews		Search United Airlines flights
Delta	PriceFrom $1,140	Free Cancellation	Rating 7.8 8,554 reviews		Search Delta 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.