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 48% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 7 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, Delta, and Air New Zealand 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 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.

$980 Cheap Flights from Louisville to Australia in 2025/26

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Find the cheapest flights from Louisville to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

8:00 am - 10:00 amSDF-MEL

34h 00m2 stops

1:00 pm - 10:30 pmMEL-SDF

25h 30m2 stops

$980United Airlines

Find Deal

Thu, Nov 6 - Thu, Nov 13

3:20 pm - 10:00 amSDF-MEL

26h 40m2 stops

11:30 am - 7:51 pmMEL-SDF

24h 21m2 stops

$1,187United Airlines

Find Deal

Mon, Feb 16 - Fri, Feb 20

1:58 pm - 7:55 amSDF-SYD

26h 57m2 stops

11:50 am - 7:54 pmSYD-SDF

23h 04m1 stop

$1,231United Airlines

Find Deal

Wed, Oct 22 - Wed, Oct 29

7:10 am - 5:40 pmSDF-MEL

42h 30m2 stops

12:10 pm - 9:57 pmMEL-SDF

25h 47m2 stops

$1,320Air New Zealand

Find Deal

Wed, Nov 5 - Wed, Nov 12

7:50 am - 8:30 amSDF-SYD

32h 40m2 stops

10:40 am - 11:00 pmSYD-SDF

28h 20m2 stops

$1,332Delta

Find Deal

Thu, Nov 13 - Mon, Nov 17

7:20 am - 8:30 amSDF-SYD

33h 10m2 stops

10:25 am - 9:34 amSYD-SDF

38h 09m2 stops

$1,401Delta

Find Deal

Sun, Mar 1 - Wed, Apr 1

6:03 pm - 9:30 amSDF-MEL

23h 27m1 stop

1:10 pm - 8:12 pmMEL-SDF

47h 02m2 stops

$1,554Multiple Airlines

Find Deal

Thu, Nov 6 - Thu, Nov 13

2:57 pm - 7:45 pmSDF-SYD

37h 48m2 stops

5:45 pm - 7:15 pmSYD-SDF

40h 30m1 stop

$1,578Multiple Airlines

Find Deal

Sun, Oct 19 - Sun, Oct 26

2:18 pm - 5:00 amSDF-MEL

22h 42m1 stop

4:05 pm - 7:42 pmMEL-SDF

19h 37m1 stop

$1,795Qantas Airways

Find Deal

Sat, Feb 7 - Sat, Feb 21

2:18 pm - 10:05 amSDF-MEL

27h 47m2 stops

4:05 pm - 7:42 pmMEL-SDF

19h 37m1 stop

$1,880Qantas Airways

Find Deal

Sat, Feb 7 - Sat, Feb 21

Air Canada flights from Louisville to Australia

Our best Air Canada deals on Louisville to Australia flight tickets

Air Canada

Sep 24

SDF10:55 amLouisville Intl

30h 25m

3 stops

SYD7:20 amSydney Kingsford Smith

Oct 12

SYD10:20 amSydney Kingsford Smith

25h 13m

2 stops

SDF8:33 pmLouisville Intl

$2,955

Find similar

Air Canada

Dec 27

SDF9:05 amLouisville Intl

32h 30m

3 stops

SYD9:35 amSydney Kingsford Smith

Jan 20

SYD11:20 amSydney Kingsford Smith

25h 08m

2 stops

SDF8:28 pmLouisville Intl

$3,349

Find similar

Air Canada

Oct 22

SDF9:55 amLouisville Intl

31h 25m

3 stops

SYD8:20 amSydney Kingsford Smith

Oct 29

SYD10:20 amSydney Kingsford Smith

27h 09m

3 stops

SDF10:29 pmLouisville Intl

$3,361

Find similar

United Airlines flights from Louisville to Australia

Our best United Airlines deals on Louisville to Australia flight tickets

United Airlines

Nov 6

SDF8:00 amLouisville Intl

34h 00m

2 stops

MEL10:00 amMelbourne

Nov 13

MEL1:00 pmMelbourne

25h 30m

2 stops

SDF10:30 pmLouisville Intl

$980

Find similar

United Airlines

Feb 16

SDF3:20 pmLouisville Intl

26h 40m

2 stops

MEL10:00 amMelbourne

Feb 20

MEL11:30 amMelbourne

24h 21m

2 stops

SDF7:51 pmLouisville Intl

$1,187

Find similar

United Airlines

Oct 22

SDF1:58 pmLouisville Intl

26h 57m

2 stops

SYD7:55 amSydney Kingsford Smith

Oct 29

SYD11:50 amSydney Kingsford Smith

23h 04m

1 stop

SDF7:54 pmLouisville Intl

$1,231

Find similar

Fly from

Fly to

Route

Depart

Return

Price

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Thu 11/6

8:00 am-10:00 am

2 stops34h 00m

Melbourne

Thu 11/13

1:00 pm-10:30 pm

2 stops25h 30m

$980

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Mon 2/16

3:20 pm-10:00 am

2 stops26h 40m

Melbourne

Fri 2/20

11:30 am-7:51 pm

2 stops24h 21m

$1,187

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 10/22

1:58 pm-7:55 am

2 stops26h 57m

Sydney Kingsford Smith

Wed 10/29

11:50 am-7:54 pm

1 stop23h 04m

$1,231

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Wed 11/5

7:10 am-5:40 pm

2 stops42h 30m

Melbourne

Wed 11/12

12:10 pm-9:57 pm

2 stops25h 47m

$1,320

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Thu 11/13

7:50 am-8:30 am

2 stops32h 40m

Sydney Kingsford Smith

Mon 11/17

10:40 am-11:00 pm

2 stops28h 20m

$1,332

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 3/1

7:20 am-8:30 am

2 stops33h 10m

Sydney Kingsford Smith

Wed 4/1

10:25 am-9:34 am

2 stops38h 09m

$1,401

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Thu 11/6

6:03 pm-9:30 am

1 stop23h 27m

Melbourne

Thu 11/13

1:10 pm-8:12 pm

2 stops47h 02m

$1,554

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sun 10/19

2:57 pm-7:45 pm

2 stops37h 48m

Sydney Kingsford Smith

Sun 10/26

5:45 pm-7:15 pm

1 stop40h 30m

$1,578

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sat 2/7

2:18 pm-5:00 am

1 stop22h 42m

Melbourne

Sat 2/21

4:05 pm-7:42 pm

1 stop19h 37m

$1,795

LouisvilleMelbourne

SDF - MEL

SDFMEL

Louisville Intl

Sat 2/7

2:18 pm-10:05 am

2 stops27h 47m

Melbourne

Sat 2/21

4:05 pm-7:42 pm

1 stop19h 37m

$1,880

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 November instead. Flights to Australia in November, while not as cheap as those in April, still average around $1,142.

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

Direct flights	None

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 September 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 8,926 reviews	Search United Airlines flights
Delta	PriceFrom $979	Free Cancellation	Rating 7.9 7,974 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,380	Free Cancellation	Rating 8.0 505 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.