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

Air Canada, Delta, and Asiana Airlines are the most popular carriers operating from Kentucky to Australia

What airlines fly to Australia?

United Airlines, American Airlines 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 71% 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 25h 19m on average. Another popular route from Kentucky to Australia is flying from Lexington to Sydney, which will take roughly 27h 05m. Keep in mind that layovers or delays could extend your travel time.

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 April 2026, there are 5 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.

$468 Cheap Flights from Kentucky to Australia in 2026

Discover deals from 900+ travel sites with momondo.

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

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.

1:55 pm - 7:20 am

CVG

SYD

27h 25m

2 stops

9:20 am - 1:13 pm

SYD

CVG

41h 53m

2 stops

$1,022Air Canada

Tue, May 12 - Tue, May 19

8:20 am - 7:05 am

BNA

BNE

31h 45m

1 stop

10:00 am - 5:43 pm

BNE

BNA

46h 43m

2 stops

$1,067Air Canada

Wed, Jun 24 - Fri, Jul 3

6:15 am - 7:20 am

CVG

SYD

35h 05m

1 stop

9:20 am - 1:13 pm

SYD

CVG

41h 53m

2 stops

$1,067Multiple Airlines

Tue, May 12 - Tue, May 19

3:30 pm - 7:20 am

CVG

SYD

25h 50m

2 stops

9:20 am - 8:30 pm

SYD

CVG

25h 10m

2 stops

$1,087Multiple Airlines

Fri, Sep 4 - Mon, Sep 14

3:25 pm - 7:00 am

SDF

SYD

25h 35m

2 stops

9:30 am - 8:01 pm

SYD

SDF

24h 31m

2 stops

$1,330United Airlines

Tue, Jun 9 - Wed, Jun 17

3:37 pm - 7:00 am

SDF

SYD

25h 23m

2 stops

10:20 am - 8:00 pm

SYD

SDF

23h 40m

2 stops

$1,331United Airlines

Mon, May 11 - Mon, May 18

4:28 pm - 6:50 am

SDF

SYD

48h 22m

2 stops

9:15 am - 7:11 pm

SYD

SDF

23h 56m

2 stops

$1,348Delta

Sat, May 16 - Wed, Jun 10

4:28 pm - 6:50 am

SDF

SYD

48h 22m

2 stops

9:15 am - 5:19 pm

SYD

SDF

46h 04m

2 stops

$1,365Delta

Sat, May 16 - Sun, Jun 14

1:53 pm - 6:55 am

TYS

SYD

27h 02m

1 stop

12:00 pm - 7:31 pm

SYD

TYS

21h 31m

1 stop

$1,405American Airlines

Sun, Jun 7 - Sun, Jun 14

3:40 pm - 7:30 am

TYS

SYD

25h 50m

2 stops

12:00 pm - 11:56 pm

SYD

TYS

25h 56m

1 stop

$1,409American Airlines

Sun, Jun 7 - Sun, Jun 14

American Airlines flights from Kentucky to Australia

Our best American Airlines deals on Kentucky to Australia flight tickets

American Airlines

Apr 27

CVG3:28 pmCincinnati Cinci./N. Kentucky

25h 27m

1 stop

SYD6:55 amSydney Kingsford Smith

May 10

SYD12:00 pmSydney Kingsford Smith

22h 10m

1 stop

CVG8:10 pmCincinnati Cinci./N. Kentucky

$1,310

American Airlines

May 20

CVG12:37 pmCincinnati Cinci./N. Kentucky

28h 18m

1 stop

SYD6:55 amSydney Kingsford Smith

Jun 3

SYD12:00 pmSydney Kingsford Smith

25h 53m

1 stop

CVG11:53 pmCincinnati Cinci./N. Kentucky

$1,323

American Airlines

May 5

CVG4:13 pmCincinnati Cinci./N. Kentucky

24h 52m

2 stops

SYD7:05 amSydney Kingsford Smith

May 13

SYD12:00 pmSydney Kingsford Smith

25h 21m

1 stop

CVG11:21 pmCincinnati Cinci./N. Kentucky

$1,326

United Airlines flights from Kentucky to Australia

Our best United Airlines deals on Kentucky to Australia flight tickets

United Airlines

Apr 27

CVG2:50 pmCincinnati Cinci./N. Kentucky

26h 10m

2 stops

SYD7:00 amSydney Kingsford Smith

May 10

SYD9:30 amSydney Kingsford Smith

25h 00m

2 stops

CVG8:30 pmCincinnati Cinci./N. Kentucky

$1,313

United Airlines

Jun 9

SDF3:25 pmLouisville Intl

25h 35m

2 stops

SYD7:00 amSydney Kingsford Smith

Jun 17

SYD9:30 amSydney Kingsford Smith

24h 31m

2 stops

SDF8:01 pmLouisville Intl

$1,330

United Airlines

May 11

SDF3:37 pmLouisville Intl

25h 23m

2 stops

SYD7:00 amSydney Kingsford Smith

May 18

SYD10:20 amSydney Kingsford Smith

23h 40m

2 stops

SDF8:00 pmLouisville Intl

$1,331

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Tue 5/12

1:55 pm-7:20 am

2 stops27h 25m

Sydney Kingsford Smith

Tue 5/19

9:20 am-1:13 pm

2 stops41h 53m

$1,022

NashvilleBrisbane

BNA - BNE

BNABNE

Nashville Intl

Wed 6/24

8:20 am-7:05 am

1 stop31h 45m

Brisbane

Fri 7/3

10:00 am-5:43 pm

2 stops46h 43m

$1,067

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Tue 5/12

6:15 am-7:20 am

1 stop35h 05m

Sydney Kingsford Smith

Tue 5/19

9:20 am-1:13 pm

2 stops41h 53m

$1,067

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Fri 9/4

3:30 pm-7:20 am

2 stops25h 50m

Sydney Kingsford Smith

Mon 9/14

9:20 am-8:30 pm

2 stops25h 10m

$1,087

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Tue 6/9

3:25 pm-7:00 am

2 stops25h 35m

Sydney Kingsford Smith

Wed 6/17

9:30 am-8:01 pm

2 stops24h 31m

$1,330

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Mon 5/11

3:37 pm-7:00 am

2 stops25h 23m

Sydney Kingsford Smith

Mon 5/18

10:20 am-8:00 pm

2 stops23h 40m

$1,331

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 5/16

4:28 pm-6:50 am

2 stops48h 22m

Sydney Kingsford Smith

Wed 6/10

9:15 am-7:11 pm

2 stops23h 56m

$1,348

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Sat 5/16

4:28 pm-6:50 am

2 stops48h 22m

Sydney Kingsford Smith

Sun 6/14

9:15 am-5:19 pm

2 stops46h 04m

$1,365

Quickest round-trip

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 6/7

1:53 pm-6:55 am

1 stop27h 02m

Sydney Kingsford Smith

Sun 6/14

12:00 pm-7:31 pm

1 stop21h 31m

$1,405

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Sun 6/7

3:40 pm-7:30 am

2 stops25h 50m

Sydney Kingsford Smith

Sun 6/14

12:00 pm-11:56 pm

1 stop25h 56m

$1,409

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 $1,228. If you aren’t able to travel during the month of November, then book flights to Australia from Kentucky during August instead. Flights to Australia in August, while not as cheap as those in November, still average around $1,232.

Can stopping save me money on Kentucky to Australia flights?

You could potentially save up to 4% 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

Fastest flight time	22h 22m
Direct flights	None

The fastest flight from Kentucky to Australia takes 22h 22m

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 April 2026, there are 5 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 $933	Free Cancellation	Rating 7.4 9,529 reviews	Search United Airlines flights
Delta	PriceFrom $985	Free Cancellation	Rating 7.9 8,368 reviews	Search Delta flights
American Airlines	PriceFrom $1,260	Free Cancellation	Rating 7.1 11,544 reviews	Search American Airlines 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.