What airlines fly to Australia?

United Airlines, Qantas Airways and Delta are the top three most popular airlines that fly to Australia from Kentucky according to our data. United Airlines is the first choice among our users, with 65% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 3 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

How long is the flight from Kentucky to Australia?

Flight times from Kentucky to Australia vary, but if you’re flying out of Louisville and flying into Sydney (one of the most popular routes), then the duration is 22h 45m on average. Another popular route from Kentucky to Australia is flying from Lexington to Sydney, which will take roughly 23h 01m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Kentucky to Australia?

United Airlines and Qantas Airways are the most popular carriers operating from Kentucky to Australia

When did momondo last update prices for flights from Kentucky to Australia?

Prices for flights from Kentucky to Australia were last updated today.

How many operators does momondo search for flights from Kentucky to Australia?

As of October 2026, there are 3 operators available to choose from for flights from Kentucky to Australia.

How old do you have to be to fly from Kentucky to Australia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kentucky to Australia.

What documentation or ID do you need to fly to Australia?

The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$693 Cheap Flights from Kentucky to Australia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kentucky to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

7:00 am - 7:00 amSDF Louisville Intl-SYD Sydney Kingsford Smith

32h 00m1 stop Houston George Bush Intcntl

9:15 am - 1:23 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

20h 08m1 stop Houston George Bush Intcntl

$1,199United Airlines

Sun, Nov 1 - Mon, Nov 23

7:00 am - 7:00 amSDF Louisville Intl-SYD Sydney Kingsford Smith

32h 00m1 stop Houston George Bush Intcntl

9:15 am - 8:33 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

27h 18m1 stop Houston George Bush Intcntl

$1,199United Airlines

Wed, Nov 4 - Tue, Nov 24

8:00 am - 9:05 amSDF Louisville Intl-SYD Sydney Kingsford Smith

33h 05m2 stops Denver Intl Los Angeles

9:15 am - 1:23 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

20h 08m1 stop Houston George Bush Intcntl

$1,199United Airlines

Tue, Nov 3 - Tue, Nov 10

3:26 pm - 8:30 amSDF Louisville Intl-SYD Sydney Kingsford Smith

25h 04m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 am - 12:00 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

41h 20m2 stops Los Angeles Minneapolis St Paul

$1,204Delta

Mon, Nov 2 - Mon, Nov 23

1:59 pm - 8:30 amSDF Louisville Intl-SYD Sydney Kingsford Smith

26h 31m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 am - 9:42 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

27h 02m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,204Delta

Tue, Nov 3 - Wed, Nov 25

3:26 pm - 8:30 amSDF Louisville Intl-SYD Sydney Kingsford Smith

25h 04m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 am - 12:00 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

41h 20m2 stops Los Angeles Minneapolis St Paul

$1,204Delta

Sun, Nov 1 - Mon, Nov 23

5:22 pm - 12:50 pmSDF Louisville Intl-BNE Brisbane

28h 28m2 stops Dallas/Fort Worth Auckland Intl

9:40 am - 6:25 pmBNE Brisbane-SDF Louisville Intl

23h 45m1 stop Dallas/Fort Worth

$1,221Multiple Airlines

Tue, Dec 1 - Tue, Dec 8

11:55 am - 6:25 amLEX Lexington Blue Grass-SYD Sydney Kingsford Smith

26h 30m2 stops Chicago O'Hare Intl Los Angeles

6:05 am - 5:37 pmSYD Sydney Kingsford Smith-LEX Lexington Blue Grass

27h 32m2 stops Brisbane Dallas/Fort Worth

$1,241Multiple Airlines

Thu, Jan 28 - Sat, Feb 13

6:27 pm - 11:45 amSDF Louisville Intl-SYD Sydney Kingsford Smith

25h 18m2 stops Dallas/Fort Worth Brisbane

2:05 pm - 5:38 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

19h 33m1 stop Dallas/Fort Worth

$1,254Qantas Airways

Sun, Feb 28 - Tue, Mar 9

1:24 pm - 6:55 amLEX Lexington Blue Grass-SYD Sydney Kingsford Smith

25h 31m1 stop Dallas/Fort Worth

11:05 am - 5:37 pmSYD Sydney Kingsford Smith-LEX Lexington Blue Grass

46h 32m2 stops Brisbane Dallas/Fort Worth

$1,259Qantas Airways

Fri, Feb 19 - Wed, Mar 3

Cheap last minute flights

Enter your travel dates to find the best prices.

8:00 am - 8:40 amSDF Louisville Intl-SYD Sydney Kingsford Smith

33h 40m2 stops Denver Intl Los Angeles

9:15 am - 8:33 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

27h 18m1 stop Houston George Bush Intcntl

$1,199United Airlines

Sun, Oct 25 - Wed, Nov 11

3:45 pm - 7:00 amSDF Louisville Intl-SYD Sydney Kingsford Smith

24h 15m1 stop Houston George Bush Intcntl

9:15 am - 9:58 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

28h 43m1 stop Houston George Bush Intcntl

$1,199United Airlines

Sun, Oct 25 - Tue, Nov 10

8:00 am - 8:40 amSDF Louisville Intl-SYD Sydney Kingsford Smith

33h 40m2 stops Denver Intl Los Angeles

9:15 am - 9:58 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

28h 43m1 stop Houston George Bush Intcntl

$1,199United Airlines

Sun, Oct 25 - Tue, Nov 10

7:05 am - 7:20 amSDF Louisville Intl-SYD Sydney Kingsford Smith

33h 15m2 stops Atlanta Hartsfield-Jackson Los Angeles

10:40 am - 9:42 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

27h 02m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,204Delta

Sun, Oct 25 - Tue, Nov 10

6:39 pm - 7:20 amSDF Louisville Intl-SYD Sydney Kingsford Smith

45h 41m2 stops Minneapolis St Paul Los Angeles

10:40 am - 7:14 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

24h 34m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,220Delta

Sat, Oct 24 - Mon, Nov 9

6:39 pm - 7:20 amSDF Louisville Intl-SYD Sydney Kingsford Smith

45h 41m2 stops Minneapolis St Paul Los Angeles

10:40 am - 7:14 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

24h 34m2 stops Los Angeles Atlanta Hartsfield-Jackson

$1,220Delta

Sat, Oct 24 - Tue, Nov 10

4:18 pm - 5:00 amSDF Louisville Intl-MEL Melbourne

21h 42m1 stop Dallas/Fort Worth

12:00 pm - 5:18 pmMEL Melbourne-SDF Louisville Intl

20h 18m1 stop Dallas/Fort Worth

$1,249Qantas Airways

Sat, Oct 24 - Thu, Oct 29

4:18 pm - 5:00 amSDF Louisville Intl-MEL Melbourne

21h 42m1 stop Dallas/Fort Worth

8:55 am - 5:18 pmMEL Melbourne-SDF Louisville Intl

23h 23m2 stops Sydney Kingsford Smith Dallas/Fort Worth

$1,313Multiple Airlines

Sat, Oct 24 - Thu, Oct 29

4:18 pm - 6:35 pmSDF Louisville Intl-SYD Sydney Kingsford Smith

35h 17m2 stops Dallas/Fort Worth Melbourne

2:05 pm - 6:26 pmSYD Sydney Kingsford Smith-SDF Louisville Intl

20h 21m1 stop Dallas/Fort Worth

$1,457Qantas Airways

Sat, Oct 24 - Sat, Nov 14

12:20 pm - 6:55 amLEX Lexington Blue Grass-SYD Sydney Kingsford Smith

27h 35m1 stop Dallas/Fort Worth

1:05 pm - 10:17 pmSYD Sydney Kingsford Smith-LEX Lexington Blue Grass

24h 12m1 stop Dallas/Fort Worth

$1,733American Airlines

Fri, Oct 23 - Fri, Oct 30

Save money when you book flights with momondo

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Qantas Airways flights from Kentucky to Australia

Our best Qantas Airways deals on Kentucky to Australia flight tickets

Qantas Airways

Oct 24

SDF4:18 pmLouisville Intl

21h 42m

1 stop

MEL5:00 amMelbourne

Oct 29

MEL12:00 pmMelbourne

20h 18m

1 stop

SDF5:18 pmLouisville Intl

$1,249

Qantas Airways

Feb 19

LEX1:24 pmLexington Blue Grass

25h 31m

1 stop

SYD6:55 amSydney Kingsford Smith

Mar 3

SYD11:05 amSydney Kingsford Smith

46h 32m

2 stops

LEX5:37 pmLexington Blue Grass

$1,259

Qantas Airways

Feb 27

SDF6:27 pmLouisville Intl

29h 43m

2 stops

SYD4:10 pmSydney Kingsford Smith

Mar 8

SYD2:05 pmSydney Kingsford Smith

19h 33m

1 stop

SDF5:38 pmLouisville Intl

$1,268

Air New Zealand flights from Kentucky to Australia

Our best Air New Zealand deals on Kentucky to Australia flight tickets

Air New Zealand

Mar 1

SDF3:50 pmLouisville Intl

38h 00m

2 stops

SYD9:50 pmSydney Kingsford Smith

Mar 8

SYD11:50 amSydney Kingsford Smith

26h 09m

2 stops

SDF9:59 pmLouisville Intl

$1,297

Air New Zealand

Mar 1

SDF7:05 amLouisville Intl

33h 30m

2 stops

SYD8:35 amSydney Kingsford Smith

Mar 15

SYD9:55 amSydney Kingsford Smith

27h 04m

2 stops

SDF9:59 pmLouisville Intl

$1,340

Air New Zealand

Feb 28

SDF7:05 amLouisville Intl

43h 10m

2 stops

SYD6:15 pmSydney Kingsford Smith

Mar 9

SYD11:50 amSydney Kingsford Smith

25h 06m

2 stops

SDF8:56 pmLouisville Intl

$1,344

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

7:00 am-7:00 am

1 stop32h 00m

Sydney Kingsford Smith

Mon 11/23

9:15 am-1:23 pm

1 stop20h 08m

$1,199

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Wed 11/4

7:00 am-7:00 am

1 stop32h 00m

Sydney Kingsford Smith

Tue 11/24

9:15 am-8:33 pm

1 stop27h 18m

$1,199

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 11/3

8:00 am-9:05 am

2 stops33h 05m

Sydney Kingsford Smith

Tue 11/10

9:15 am-1:23 pm

1 stop20h 08m

$1,199

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Mon 11/2

3:26 pm-8:30 am

2 stops25h 04m

Sydney Kingsford Smith

Mon 11/23

10:40 am-12:00 pm

2 stops41h 20m

$1,204

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Tue 11/3

1:59 pm-8:30 am

2 stops26h 31m

Sydney Kingsford Smith

Wed 11/25

10:40 am-9:42 pm

2 stops27h 02m

$1,204

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 11/1

3:26 pm-8:30 am

2 stops25h 04m

Sydney Kingsford Smith

Mon 11/23

10:40 am-12:00 pm

2 stops41h 20m

$1,204

LouisvilleBrisbane

SDF Louisville Intl - BNE Brisbane

SDFBNE

Louisville Intl

Tue 12/1

5:22 pm-12:50 pm

2 stops28h 28m

Brisbane

Tue 12/8

9:40 am-6:25 pm

1 stop23h 45m

$1,221

LexingtonSydney

LEX Lexington Blue Grass - SYD Sydney Kingsford Smith

LEXSYD

Lexington Blue Grass

Thu 1/28

11:55 am-6:25 am

2 stops26h 30m

Sydney Kingsford Smith

Sat 2/13

6:05 am-5:37 pm

2 stops27h 32m

$1,241

Quickest round-trip

LouisvilleSydney

SDF Louisville Intl - SYD Sydney Kingsford Smith

SDFSYD

Louisville Intl

Sun 2/28

6:27 pm-11:45 am

2 stops25h 18m

Sydney Kingsford Smith

Tue 3/9

2:05 pm-5:38 pm

1 stop19h 33m

$1,254

LexingtonSydney

LEX Lexington Blue Grass - SYD Sydney Kingsford Smith

LEXSYD

Lexington Blue Grass

Fri 2/19

1:24 pm-6:55 am

1 stop25h 31m

Sydney Kingsford Smith

Wed 3/3

11:05 am-5:37 pm

2 stops46h 32m

$1,259

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 Kentucky 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

Other information

What is the cheapest month to fly to Australia?

The month of November is, on average, the cheapest month to fly to Australia from Kentucky, with most prices found around $959. If you aren’t able to travel during the month of November, then book flights to Australia from Kentucky during June instead. Flights to Australia in June, while not as cheap as those in November, still average around $1,260.

Can stopping save me money on Kentucky to Australia flights?

You could potentially save up to 2% on your flight if you consider stops on a Kentucky to Australia flight.

Cheap Kentucky to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Kentucky to Australia

Best Price Found	$693
Fastest flight time	20h 45m
Direct flights	None

The best one-way flight to Australia from Kentucky in the past 72 hours is $693. The best round-trip flight deal from Kentucky to Australia found on momondo in the last 72 hours is $1,199.

The fastest flight from Kentucky to Australia takes 20h 45m

There are no direct flights from Kentucky to Australia. There are no popular flight routes from Kentucky to Australia.

Search flight deals

Frequently asked questions about flying from Kentucky to Australia

When did momondo last update prices for flights from Kentucky to Australia?
Prices for flights from Kentucky to Australia were last updated today.
How many operators does momondo search for flights from Kentucky to Australia?
As of October 2026, there are 3 operators available to choose from for flights from Kentucky to Australia.
How old do you have to be to fly from Kentucky to Australia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Kentucky to Australia.
What documentation or ID do you need to fly to Australia?
The travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Kentucky to Australia

Compare and see reviews for airlines that fly from Kentucky to Australia with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $979	Free Cancellation	Rating 7.3 10,396 reviews	Search United Airlines flights
Delta	PriceFrom $1,140	Free Cancellation	Rating 7.8 8,657 reviews	Search Delta flights
Qantas Airways	PriceFrom $1,263	Free Cancellation	Rating 7.5 1,115 reviews	Search Qantas Airways flights

Why use momondo?

Why should I use momondo to find a flight deal from Kentucky to Australia?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Kentucky to Australia for you.

Can I find flights from Kentucky to Australia with flexible booking policies on momondo?

momondo does allow users to show only those flights to Australia from Kentucky which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Kentucky to Australia?

Once all potential Kentucky to Australia flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

I’m not ready to book a flight from Kentucky to Australia right now. Can momondo alert me if prices change?

If you are simply researching potential flights to Australia, momondo offers a useful price alert feature which will track prices for flights to Australia from Kentucky and alert you when they change.