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 26h 57m on average. Another popular route from Kentucky to Australia is flying from Lexington to Sydney, which will take roughly 32h. Keep in mind that layovers or delays could extend your travel time.

What airlines fly to Australia?

United Airlines, Qantas Airways and American Airlines 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 62% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 5 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 Kentucky to Australia?

American Airlines, Qantas Airways, and United Airlines 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 August 2025, 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.

$692 Cheap Flights from Kentucky to Australia in 2025

1 adult

0 bags

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

11:00 am - 9:05 amTYS-SYD

30h 05m2 stops

11:20 am - 10:33 pmSYD-TYS

27h 13m2 stops

$829United Airlines

Find Deal

Wed, Dec 31 - Wed, Jan 14

11:00 am - 9:05 amTYS-SYD

30h 05m2 stops

11:50 am - 10:33 pmSYD-TYS

26h 43m2 stops

$856United Airlines

Find Deal

Thu, Jan 1 - Wed, Jan 14

2:25 pm - 9:35 amBNA-SYD

51h 10m2 stops

11:20 am - 3:05 pmSYD-BNA

44h 45m2 stops

$915Air Canada

Find Deal

Sat, Nov 1 - Wed, Nov 5

3:21 pm - 9:00 amCVG-SYD

26h 39m2 stops

11:15 am - 8:14 pmSYD-CVG

24h 59m2 stops

$916American Airlines

Find Deal

Sat, Nov 1 - Sat, Nov 8

2:25 pm - 9:35 amBNA-SYD

51h 10m3 stops

11:20 am - 3:05 pmSYD-BNA

44h 45m2 stops

$921Air Canada

Find Deal

Sat, Nov 1 - Wed, Nov 5

2:25 pm - 8:45 amBNA-BNE

50h 20m2 stops

10:45 am - 5:31 pmBNE-BNA

22h 46m2 stops

$939

Find Deal

Wed, Nov 5 - Wed, Nov 12

10:50 am - 8:45 amBNA-BNE

29h 55m3 stops

10:45 am - 7:50 pmBNE-BNA

25h 05m2 stops

$940

Find Deal

Sat, Nov 8 - Sat, Nov 22

4:04 pm - 7:05 amCVG-SYD

25h 01m2 stops

9:10 am - 7:14 pmSYD-CVG

24h 04m2 stops

$956American Airlines

Find Deal

Fri, Sep 5 - Fri, Sep 12

5:22 pm - 7:05 amBNA-SYD

22h 43m1 stop

10:10 am - 4:08 pmSYD-BNA

21h 58m1 stop

$1,115Qantas Airways

Find Deal

Wed, Sep 17 - Sat, Oct 11

5:22 pm - 7:05 amBNA-SYD

22h 43m1 stop

9:10 am - 4:31 pmSYD-BNA

22h 21m1 stop

$1,119Qantas Airways

Find Deal

Sun, Sep 21 - Sun, Sep 28

Air New Zealand flights from Kentucky to Australia

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

Air New Zealand

Oct 31

CVG5:03 pmCincinnati Cinci./N. Kentucky

24h 42m

2 stops

SYD8:45 amSydney Kingsford Smith

Nov 10

SYD7:45 amSydney Kingsford Smith

31h 59m

2 stops

CVG11:44 pmCincinnati Cinci./N. Kentucky

$1,289

Find similar

Air New Zealand

Oct 31

CVG5:03 pmCincinnati Cinci./N. Kentucky

24h 42m

2 stops

SYD8:45 amSydney Kingsford Smith

Nov 10

SYD7:45 amSydney Kingsford Smith

31h 59m

2 stops

CVG11:44 pmCincinnati Cinci./N. Kentucky

$1,290

Find similar

Air New Zealand

Nov 21

BNA8:43 amNashville Intl

31h 02m

2 stops

SYD8:45 amSydney Kingsford Smith

Nov 30

SYD7:15 pmSydney Kingsford Smith

44h 00m

2 stops

BNA10:15 pmNashville Intl

$1,331

Find similar

United Airlines flights from Kentucky to Australia

Our best United Airlines deals on Kentucky to Australia flight tickets

United Airlines

Dec 31

TYS11:00 amKnoxville McGhee Tyson

30h 05m

2 stops

SYD9:05 amSydney Kingsford Smith

Jan 14

SYD11:20 amSydney Kingsford Smith

27h 13m

2 stops

TYS10:33 pmKnoxville McGhee Tyson

$829

Find similar

United Airlines

Jan 1

TYS11:00 amKnoxville McGhee Tyson

30h 05m

2 stops

SYD9:05 amSydney Kingsford Smith

Jan 14

SYD11:50 amSydney Kingsford Smith

26h 43m

2 stops

TYS10:33 pmKnoxville McGhee Tyson

$856

Find similar

United Airlines

Nov 13

TYS7:00 amKnoxville McGhee Tyson

32h 00m

1 stop

SYD7:00 amSydney Kingsford Smith

Nov 17

SYD11:50 amSydney Kingsford Smith

27h 54m

1 stop

TYS11:44 pmKnoxville McGhee Tyson

$893

Find similar

Fly from

Fly to

Route

Depart

Return

Price

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Wed 12/31

11:00 am-9:05 am

2 stops30h 05m

Sydney Kingsford Smith

Wed 1/14

11:20 am-10:33 pm

2 stops27h 13m

$829

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Thu 1/1

11:00 am-9:05 am

2 stops30h 05m

Sydney Kingsford Smith

Wed 1/14

11:50 am-10:33 pm

2 stops26h 43m

$856

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Sat 11/1

2:25 pm-9:35 am

2 stops51h 10m

Sydney Kingsford Smith

Wed 11/5

11:20 am-3:05 pm

2 stops44h 45m

$915

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sat 11/1

3:21 pm-9:00 am

2 stops26h 39m

Sydney Kingsford Smith

Sat 11/8

11:15 am-8:14 pm

2 stops24h 59m

$916

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Sat 11/1

2:25 pm-9:35 am

3 stops51h 10m

Sydney Kingsford Smith

Wed 11/5

11:20 am-3:05 pm

2 stops44h 45m

$921

NashvilleBrisbane

BNA - BNE

BNABNE

Nashville Intl

Wed 11/5

2:25 pm-8:45 am

2 stops50h 20m

Brisbane

Wed 11/12

10:45 am-5:31 pm

2 stops22h 46m

$939

NashvilleBrisbane

BNA - BNE

BNABNE

Nashville Intl

Sat 11/8

10:50 am-8:45 am

3 stops29h 55m

Brisbane

Sat 11/22

10:45 am-7:50 pm

2 stops25h 05m

$940

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Fri 9/5

4:04 pm-7:05 am

2 stops25h 01m

Sydney Kingsford Smith

Fri 9/12

9:10 am-7:14 pm

2 stops24h 04m

$956

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Wed 9/17

5:22 pm-7:05 am

1 stop22h 43m

Sydney Kingsford Smith

Sat 10/11

10:10 am-4:08 pm

1 stop21h 58m

$1,115

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Sun 9/21

5:22 pm-7:05 am

1 stop22h 43m

Sydney Kingsford Smith

Sun 9/28

9:10 am-4:31 pm

1 stop22h 21m

$1,119

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 April is, on average, the cheapest month to fly to Australia from Kentucky, 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 Kentucky 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 Kentucky 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 Kentucky 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 Kentucky 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 Kentucky in the morning are generally more expensive because this time of day is more convenient for travelers’ schedules.

Can stopping save me money on Kentucky to Australia flights?

You could potentially save up to 29% 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	$692
Fastest flight time	20h 10m
Direct flights	None
Airports in Australia	4 airports

The best one-way flight to Australia from Kentucky in the past 72 hours is $692. The best round-trip flight deal from Kentucky to Australia found on momondo in the last 72 hours is $829.

The fastest flight from Kentucky to Australia takes 20h 10m

There are no direct flights from Kentucky to Australia. Popular non-direct routes for this connection are Nashville Intl Airport - Melbourne Avalon Airport, Cincinnati Cinci./N. Kentucky Airport - Melbourne Airport and Nashville Intl Airport - Melbourne Airport.

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

Search flight deals

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 August 2025, 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 $921	Free Cancellation	Rating 7.4 8,917 reviews	Search United Airlines flights
Delta	PriceFrom $985	Free Cancellation	Rating 8.0 7,985 reviews	Search Delta flights
Qantas Airways	PriceFrom $1,172	Free Cancellation	Rating 7.5 888 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $1,348	Free Cancellation	Rating 7.2 10,000 reviews	Search American Airlines flights
Air New Zealand	PriceFrom $1,380	Free Cancellation	Rating 8.0 503 reviews	Search Air New Zealand 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.