How long does it take to fly to Sydney?

Flight times from Kentucky to Sydney vary, but if you’re flying out of Louisville and flying into Sydney (one of the most popular routes), then the duration is 25h 35m on average. Another popular route from Kentucky to Sydney is flying from Lexington to Sydney, which will take roughly 27h 50m. Keep in mind that layovers or delays could extend your travel time.

What is the cheapest airline that flies from Kentucky to Sydney Kingsford Smith?

Air Canada, United Airlines, and Delta are the most popular carriers operating from Kentucky to Sydney Kingsford Smith

What airlines fly to Sydney?

United Airlines, Delta and American Airlines are the top three most popular airlines that fly to Sydney from Kentucky according to our data. United Airlines is the first choice among our users, with 70% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 3 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

When did momondo last update prices for flights from Kentucky to Sydney Kingsford Smith Airport?

Prices for flights from Kentucky to Sydney Kingsford Smith Airport are updated daily.

How many operators does momondo search for flights from Kentucky to Sydney Kingsford Smith Airport?

There are 5 operators available for flights from Kentucky to Sydney Kingsford Smith Airport as of July 2026.

How old do you have to be to fly from Kentucky to Sydney Kingsford Smith Airport?

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 Kentucky to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

$525 Cheap Flights from Kentucky to Sydney in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Kentucky to Sydney

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

3:41 pm - 11:50 am

BNA

SYD

29h 09m

3 stops

1:15 pm - 1:46 pm

SYD

BNA

39h 31m

3 stops

$1,007Multiple Airlines

Thu, Aug 13 - Thu, Aug 20

3:41 pm - 11:50 am

BNA

SYD

29h 09m

3 stops

1:15 pm - 1:46 pm

SYD

BNA

39h 31m

3 stops

$1,015Multiple Airlines

Thu, Aug 13 - Thu, Aug 20

1:55 pm - 7:20 am

CVG

SYD

51h 25m

2 stops

10:20 am - 8:30 pm

SYD

CVG

49h 10m

2 stops

$1,135Air Canada

Sat, Sep 26 - Mon, Oct 5

1:55 pm - 7:20 am

CVG

SYD

51h 25m

3 stops

10:20 am - 8:30 pm

SYD

CVG

49h 10m

2 stops

$1,143Air Canada

Sat, Sep 26 - Mon, Oct 5

2:54 pm - 6:55 am

BNA

SYD

25h 01m

1 stop

10:20 am - 6:58 pm

SYD

BNA

23h 38m

1 stop

$1,185Air New Zealand

Tue, Aug 11 - Tue, Aug 18

8:15 am - 6:55 am

BNA

SYD

31h 40m

1 stop

9:30 am - 8:58 pm

SYD

BNA

26h 28m

2 stops

$1,186United Airlines

Wed, Aug 12 - Wed, Aug 19

2:21 pm - 7:00 am

TYS

SYD

26h 39m

2 stops

9:30 am - 8:53 pm

SYD

TYS

25h 23m

2 stops

$1,190United Airlines

Tue, Aug 11 - Tue, Aug 18

8:05 am - 6:50 am

SDF

SYD

32h 45m

2 stops

9:15 am - 7:33 pm

SYD

SDF

24h 18m

2 stops

$1,190Delta

Wed, Aug 5 - Tue, Aug 18

2:10 pm - 6:50 am

BNA

SYD

25h 40m

2 stops

9:15 am - 10:16 pm

SYD

BNA

28h 01m

2 stops

$1,190Delta

Wed, Aug 12 - Wed, Aug 19

6:00 am - 7:55 am

LEX

SYD

34h 55m

2 stops

11:20 am - 11:55 pm

SYD

LEX

27h 35m

2 stops

$1,309Air New Zealand

Sun, Oct 4 - Mon, Oct 19

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Air Canada flights from Kentucky to Sydney

Our best Air Canada deals on Kentucky to Sydney flight tickets

Air Canada

Sep 26

CVG1:55 pmCincinnati Cinci./N. Kentucky

51h 25m

2 stops

SYD7:20 amSydney Kingsford Smith

Oct 5

SYD10:20 amSydney Kingsford Smith

49h 10m

2 stops

CVG8:30 pmCincinnati Cinci./N. Kentucky

$1,135

Air Canada

Sep 26

CVG1:55 pmCincinnati Cinci./N. Kentucky

51h 25m

3 stops

SYD7:20 amSydney Kingsford Smith

Oct 5

SYD10:20 amSydney Kingsford Smith

49h 10m

2 stops

CVG8:30 pmCincinnati Cinci./N. Kentucky

$1,143

Air Canada

Oct 17

CVG1:55 pmCincinnati Cinci./N. Kentucky

51h 25m

3 stops

SYD8:20 amSydney Kingsford Smith

Nov 10

SYD11:20 amSydney Kingsford Smith

46h 40m

2 stops

CVG6:00 pmCincinnati Cinci./N. Kentucky

$1,147

American Airlines flights from Kentucky to Sydney

Our best American Airlines deals on Kentucky to Sydney flight tickets

American Airlines

Aug 11

TYS1:46 pmKnoxville McGhee Tyson

26h 39m

2 stops

SYD6:25 amSydney Kingsford Smith

Aug 18

SYD12:00 pmSydney Kingsford Smith

23h 53m

1 stop

TYS9:53 pmKnoxville McGhee Tyson

$1,207

American Airlines

Aug 3

CVG2:55 pmCincinnati Cinci./N. Kentucky

26h 35m

2 stops

SYD7:30 amSydney Kingsford Smith

Aug 15

SYD9:10 amSydney Kingsford Smith

23h 49m

2 stops

CVG6:59 pmCincinnati Cinci./N. Kentucky

$1,237

American Airlines

Aug 13

CVG1:59 pmCincinnati Cinci./N. Kentucky

27h 06m

2 stops

SYD7:05 amSydney Kingsford Smith

Aug 20

SYD12:00 pmSydney Kingsford Smith

25h 22m

1 stop

CVG11:22 pmCincinnati Cinci./N. Kentucky

$1,287

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Thu 8/13

3:41 pm-11:50 am

3 stops29h 09m

Sydney Kingsford Smith

Thu 8/20

1:15 pm-1:46 pm

3 stops39h 31m

$1,007

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Thu 8/13

3:41 pm-11:50 am

3 stops29h 09m

Sydney Kingsford Smith

Thu 8/20

1:15 pm-1:46 pm

3 stops39h 31m

$1,015

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sat 9/26

1:55 pm-7:20 am

2 stops51h 25m

Sydney Kingsford Smith

Mon 10/5

10:20 am-8:30 pm

2 stops49h 10m

$1,135

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sat 9/26

1:55 pm-7:20 am

3 stops51h 25m

Sydney Kingsford Smith

Mon 10/5

10:20 am-8:30 pm

2 stops49h 10m

$1,143

Quickest round-trip

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Tue 8/11

2:54 pm-6:55 am

1 stop25h 01m

Sydney Kingsford Smith

Tue 8/18

10:20 am-6:58 pm

1 stop23h 38m

$1,185

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Wed 8/12

8:15 am-6:55 am

1 stop31h 40m

Sydney Kingsford Smith

Wed 8/19

9:30 am-8:58 pm

2 stops26h 28m

$1,186

KnoxvilleSydney

TYS - SYD

TYSSYD

Knoxville McGhee Tyson

Tue 8/11

2:21 pm-7:00 am

2 stops26h 39m

Sydney Kingsford Smith

Tue 8/18

9:30 am-8:53 pm

2 stops25h 23m

$1,190

LouisvilleSydney

SDF - SYD

SDFSYD

Louisville Intl

Wed 8/5

8:05 am-6:50 am

2 stops32h 45m

Sydney Kingsford Smith

Tue 8/18

9:15 am-7:33 pm

2 stops24h 18m

$1,190

NashvilleSydney

BNA - SYD

BNASYD

Nashville Intl

Wed 8/12

2:10 pm-6:50 am

2 stops25h 40m

Sydney Kingsford Smith

Wed 8/19

9:15 am-10:16 pm

2 stops28h 01m

$1,190

LexingtonSydney

LEX - SYD

LEXSYD

Lexington Blue Grass

Sun 10/4

6:00 am-7:55 am

2 stops34h 55m

Sydney Kingsford Smith

Mon 10/19

11:20 am-11:55 pm

2 stops27h 35m

$1,309

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 Sydney

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 Sydney?

In general, December is the cheapest month to fly from Kentucky to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $662. If you are unable to visit Sydney during the month of December, then departing from Kentucky during the month August is also very affordable. Most momondo users find prices during this month for around $843.

Can stopping save me money on Kentucky to Sydney flights?

You could potentially save up to 22% on your flight if you consider stops on a Kentucky to Sydney flight.

Cheap Kentucky to Sydney flight deals and tips

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

Fastest flight time	20h 20m
Direct flights	None

The fastest flight from Kentucky to Sydney takes 20h 20m

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

Search flight deals

Frequently asked questions about flying from Kentucky to Sydney

When did momondo last update prices for flights from Kentucky to Sydney Kingsford Smith Airport?
Prices for flights from Kentucky to Sydney Kingsford Smith Airport are updated daily.
How many operators does momondo search for flights from Kentucky to Sydney Kingsford Smith Airport?
There are 5 operators available for flights from Kentucky to Sydney Kingsford Smith Airport as of July 2026.
How old do you have to be to fly from Kentucky to Sydney Kingsford Smith Airport?
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 Kentucky to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents required for your trip to Sydney Kingsford Smith Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Sydney Kingsford Smith Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from Kentucky to Sydney

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

Airline	Rating	Free Cancellation	Price
Delta	PriceFrom $662	Free Cancellation	Rating 7.8 8,452 reviews	Search Delta flights
United Airlines	PriceFrom $933	Free Cancellation	Rating 7.4 9,909 reviews	Search United Airlines flights
American Airlines	PriceFrom $1,494	Free Cancellation	Rating 7.1 11,766 reviews	Search American Airlines flights

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Why use momondo?

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

It is quick and easy to find Kentucky to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

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

All flight searches from Kentucky to Sydney on momondo can be filtered to show those which offer flexible booking policies.

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

Once all potential Kentucky to Sydney 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 Sydney right now. Can momondo alert me if prices change?

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

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Cheap flights from Kentucky to Sydney from $525

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kentucky to Sydney departing on 8/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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Air Canada flights from Kentucky to Sydney

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How to get the cheapest flight ticket from Kentucky to Sydney

What is the cheapest month to fly to Sydney?

Can stopping save me money on Kentucky to Sydney flights?

What is the cheapest airline that flies from Kentucky to Sydney Kingsford Smith?

What airlines fly to Sydney?

How long does it take to fly to Sydney?

Cheap Kentucky to Sydney flight deals and tips

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

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Frequently asked questions about flying from Kentucky to Sydney

Best airlines flying from Kentucky to Sydney

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Traveling to a place near Sydney?

Why use momondo?

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

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List of cabin classes available on flights landing in Sydney. Availability may vary depending on flight origin and airline.

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