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

United Airlines, Delta, and Qantas Airways 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 44% 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.

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 3 operators available for flights from Louisville Intl Airport to Australia as of July 2025.

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.

$662 Cheap Flights from Louisville to Australia in 2025

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Find the cheapest flights from Louisville to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

9:40 am - 6:55 amSDF-SYD

31h 15m2 stops

10:30 am - 9:54 pmSYD-SDF

26h 24m2 stops

$964United Airlines

Find Deal

Sun, Sep 21 - Mon, Oct 6

3:30 pm - 7:00 amSDF-SYD

49h 30m2 stops

11:20 am - 7:57 pmSYD-SDF

23h 37m2 stops

$973United Airlines

Find Deal

Wed, Sep 24 - Sun, Oct 12

3:30 pm - 7:00 amSDF-SYD

49h 30m2 stops

11:20 am - 9:54 pmSYD-SDF

25h 34m2 stops

$974United Airlines

Find Deal

Wed, Sep 24 - Sun, Oct 12

9:15 am - 7:00 amSDF-SYD

29h 45m1 stop

12:10 pm - 10:29 pmSYD-SDF

26h 19m2 stops

$1,180United Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

9:40 am - 10:50 amSDF-MEL

35h 10m2 stops

12:05 pm - 10:00 pmMEL-SDF

23h 55m2 stops

$1,406Air New Zealand

Find Deal

Tue, Sep 9 - Tue, Sep 16

3:37 pm - 10:50 amSDF-MEL

28h 13m2 stops

12:05 pm - 9:54 pmMEL-SDF

24h 49m2 stops

$1,407Air New Zealand

Find Deal

Tue, Oct 14 - Fri, Oct 24

7:40 am - 6:50 amSDF-SYD

31h 10m2 stops

10:40 am - 10:55 pmSYD-SDF

28h 15m2 stops

$1,712Delta

Find Deal

Sat, Dec 27 - Tue, Jan 20

2:23 pm - 5:00 amSDF-MEL

22h 37m1 stop

4:05 pm - 9:39 pmMEL-SDF

21h 34m1 stop

$1,726Qantas Airways

Find Deal

Wed, Dec 3 - Wed, Dec 10

2:23 pm - 12:05 pmSDF-MEL

29h 42m2 stops

4:05 pm - 9:39 pmMEL-SDF

21h 34m1 stop

$1,765Qantas Airways

Find Deal

Wed, Dec 3 - Wed, Dec 10

4:26 pm - 6:55 amSDF-SYD

22h 29m1 stop

2:20 pm - 5:38 pmSYD-SDF

19h 18m1 stop

$2,846American Airlines

Find Deal

Thu, Nov 13 - Mon, Nov 17

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

Sep 21

SDF9:40 amLouisville Intl

31h 15m

2 stops

SYD6:55 amSydney Kingsford Smith

Oct 6

SYD10:30 amSydney Kingsford Smith

26h 24m

2 stops

SDF9:54 pmLouisville Intl

$964

Find similar

United Airlines

Sep 24

SDF3:30 pmLouisville Intl

49h 30m

2 stops

SYD7:00 amSydney Kingsford Smith

Oct 12

SYD11:20 amSydney Kingsford Smith

23h 37m

2 stops

SDF7:57 pmLouisville Intl

$973

Find similar

United Airlines

Sep 24

SDF3:30 pmLouisville Intl

49h 30m

2 stops

SYD7:00 amSydney Kingsford Smith

Oct 12

SYD11:20 amSydney Kingsford Smith

25h 34m

2 stops

SDF9:54 pmLouisville Intl

$974

Find similar

Qantas Airways flights from Louisville to Australia

Our best Qantas Airways deals on Louisville to Australia flight tickets

Qantas Airways

Dec 3

SDF2:23 pmLouisville Intl

22h 37m

1 stop

MEL5:00 amMelbourne

Dec 10

MEL4:05 pmMelbourne

21h 34m

1 stop

SDF9:39 pmLouisville Intl

$1,726

Find similar

Qantas Airways

Dec 3

SDF2:23 pmLouisville Intl

29h 42m

2 stops

MEL12:05 pmMelbourne

Dec 10

MEL4:05 pmMelbourne

21h 34m

1 stop

SDF9:39 pmLouisville Intl

$1,765

Find similar

Qantas Airways

Jan 13

SDF2:18 pmLouisville Intl

24h 37m

1 stop

SYD6:55 amSydney Kingsford Smith

Feb 12

SYD2:20 pmSydney Kingsford Smith

19h 05m

1 stop

SDF5:25 pmLouisville Intl

$1,784

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 9/21

9:40 am-6:55 am

2 stops31h 15m

Sydney Kingsford Smith

Mon 10/6

10:30 am-9:54 pm

2 stops26h 24m

$964

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 9/24

3:30 pm-7:00 am

2 stops49h 30m

Sydney Kingsford Smith

Sun 10/12

11:20 am-7:57 pm

2 stops23h 37m

$973

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 9/24

3:30 pm-7:00 am

2 stops49h 30m

Sydney Kingsford Smith

Sun 10/12

11:20 am-9:54 pm

2 stops25h 34m

$974

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 11/13

9:15 am-7:00 am

1 stop29h 45m

Sydney Kingsford Smith

Mon 11/17

12:10 pm-10:29 pm

2 stops26h 19m

$1,180

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Tue 9/9

9:40 am-10:50 am

2 stops35h 10m

Melbourne

Tue 9/16

12:05 pm-10:00 pm

2 stops23h 55m

$1,406

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Tue 10/14

3:37 pm-10:50 am

2 stops28h 13m

Melbourne

Fri 10/24

12:05 pm-9:54 pm

2 stops24h 49m

$1,407

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 12/27

7:40 am-6:50 am

2 stops31h 10m

Sydney Kingsford Smith

Tue 1/20

10:40 am-10:55 pm

2 stops28h 15m

$1,712

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 12/3

2:23 pm-5:00 am

1 stop22h 37m

Melbourne

Wed 12/10

4:05 pm-9:39 pm

1 stop21h 34m

$1,726

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 12/3

2:23 pm-12:05 pm

2 stops29h 42m

Melbourne

Wed 12/10

4:05 pm-9:39 pm

1 stop21h 34m

$1,765

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 11/13

4:26 pm-6:55 am

1 stop22h 29m

Sydney Kingsford Smith

Mon 11/17

2:20 pm-5:38 pm

1 stop19h 18m

$2,846

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 April is, on average, the cheapest month to fly to Australia from Louisville, with most prices found around $1,110. If you aren’t able to travel during the month of April, then book flights to Australia from Louisville during March instead. Flights to Australia in March, while not as cheap as those in April, still average around $1,159.

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from Louisville to Australia is on a Wednesday. Travelers who choose to depart for Australia on a Wednesday will often find tickets for as low as $1,260. On the other hand, Tuesday is the most expensive day to depart from Louisville because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $2,104.

What is the cheapest time of day to depart on your flight to Australia?

Flying to Australia from Louisville at noon is the least expensive time of day to depart. momondo users have found prices as low as $1,343 when looking at flights departing at noon. If you have a flexible travel schedule, then try to avoid flying in the morning when prices are $1,798 on average. Flights to Australia from Louisville in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

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	$662
Fastest flight time	21h 15m
Direct flights	None
Airports in Australia	4 airports

The best one-way flight to Australia from Louisville in the past 72 hours is $662. The best round-trip flight deal from Louisville to Australia found on momondo in the last 72 hours is $964.

The fastest flight from Louisville to Australia takes 21h 15m

There are no direct flights from Louisville to Australia. Popular non-direct routes for this connection are Louisville Intl Airport - Perth Airport, Louisville Intl Airport - Sydney Kingsford Smith Airport and Louisville Intl Airport - Melbourne Airport.

There are 4 airports near Australia: Melbourne Avalon (AVV), Melbourne (MEL), Perth (PER), Sydney Kingsford Smith (SYD)

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 3 operators available for flights from Louisville Intl Airport to Australia as of July 2025.
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 $930	Free Cancellation	Rating 7.4 8,900 reviews	Search United Airlines flights
Delta	PriceFrom $985	Free Cancellation	Rating 8.0 7,981 reviews	Search Delta flights
Qantas Airways	PriceFrom $1,172	Free Cancellation	Rating 7.5 887 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,190	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,380	Free Cancellation	Rating 7.9 501 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.