What is the cheapest airline that flies from Cincinnati Cinci./N. Kentucky to Sydney Kingsford Smith?

Air Canada, Qantas Airways, and Delta are the most popular carriers operating from Cincinnati Cinci./N. Kentucky to Sydney Kingsford Smith

When did momondo last update prices for flights from Cincinnati Cinci./N. Kentucky Airport to Sydney Kingsford Smith Airport?

Prices for flights from Cincinnati Cinci./N. Kentucky Airport to Sydney Kingsford Smith Airport are updated daily.

How many operators does momondo search for flights from Cincinnati Cinci./N. Kentucky Airport to Sydney Kingsford Smith Airport?

The number of operators available for flights from Cincinnati Cinci./N. Kentucky Airport to Sydney Kingsford Smith Airport is 1 as of December 2025.

How old do you have to be to fly from Cincinnati Cinci./N. Kentucky Airport to Sydney Kingsford Smith Airport?

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Cincinnati Cinci./N. Kentucky Airport to Sydney Kingsford Smith Airport.

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

The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport 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 licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$786 Cheap Flights from Cincinnati to Sydney in 2025/26

1 adult

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Find the cheapest flights from Cincinnati to Sydney

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15:29 - 09:35

CVG

SYD

26h 06m2 stops

11:20 - 18:00

SYD

CVG

46h 40m2 stops

$1,448Multiple Airlines

Sun, 1 Feb - Mon, 9 Feb

15:29 - 09:35

CVG

SYD

26h 06m2 stops

11:20 - 18:00

SYD

CVG

46h 40m2 stops

$1,449Multiple Airlines

Sun, 1 Feb - Mon, 9 Feb

15:18 - 09:35

CVG

SYD

26h 17m2 stops

10:20 - 18:00

SYD

CVG

46h 40m2 stops

$1,512Multiple Airlines

Tue, 3 Mar - Fri, 13 Mar

15:29 - 09:35

CVG

SYD

26h 06m2 stops

11:20 - 18:00

SYD

CVG

46h 40m2 stops

$1,514Multiple Airlines

Tue, 3 Feb - Sat, 28 Feb

18:40 - 09:35

CVG

SYD

46h 55m2 stops

11:20 - 18:00

SYD

CVG

46h 40m2 stops

$1,518Air Canada

Sat, 31 Jan - Fri, 13 Feb

14:15 - 07:20

CVG

SYD

51h 05m2 stops

09:20 - 20:30

SYD

CVG

49h 10m2 stops

$1,538Air Canada

Sat, 9 May - Sun, 24 May

18:40 - 09:35

CVG

SYD

46h 55m2 stops

11:20 - 18:00

SYD

CVG

46h 40m2 stops

$1,594Air Canada

Sat, 24 Jan - Wed, 25 Feb

18:40 - 09:35

CVG

SYD

46h 55m2 stops

10:20 - 18:00

SYD

CVG

46h 40m2 stops

$1,610Air Canada

Thu, 26 Feb - Tue, 10 Mar

18:40 - 09:35

CVG

SYD

46h 55m2 stops

10:20 - 18:00

SYD

CVG

46h 40m2 stops

$1,612Air Canada

Thu, 26 Feb - Tue, 10 Mar

18:40 - 09:35

CVG

SYD

46h 55m1 stop

10:20 - 18:00

SYD

CVG

46h 40m2 stops

$1,618Air Canada

Thu, 26 Feb - Tue, 10 Mar

Qantas Airways flights from Cincinnati to Sydney

Our best Qantas Airways deals on Cincinnati to Sydney flight tickets

Qantas Airways

13 Feb

CVG16:51Cincinnati Cinci./N. Kentucky

22h 04m

1 stop

SYD06:55Sydney Kingsford Smith

20 Feb

SYD06:05Sydney Kingsford Smith

26h 06m

2 stops

CVG16:11Cincinnati Cinci./N. Kentucky

$1,661

Find similar

Qantas Airways

1 Feb

CVG16:52Cincinnati Cinci./N. Kentucky

22h 03m

1 stop

SYD06:55Sydney Kingsford Smith

9 Feb

SYD14:05Sydney Kingsford Smith

21h 57m

1 stop

CVG20:02Cincinnati Cinci./N. Kentucky

$1,706

Find similar

Qantas Airways

31 Jan

CVG13:33Cincinnati Cinci./N. Kentucky

25h 22m

1 stop

SYD06:55Sydney Kingsford Smith

13 Feb

SYD14:05Sydney Kingsford Smith

22h 04m

1 stop

CVG20:09Cincinnati Cinci./N. Kentucky

$1,720

Find similar

United Airlines flights from Cincinnati to Sydney

Our best United Airlines deals on Cincinnati to Sydney flight tickets

United Airlines

26 Jan

CVG17:00Cincinnati Cinci./N. Kentucky

22h 00m

1 stop

SYD07:00Sydney Kingsford Smith

23 Feb

SYD11:50Sydney Kingsford Smith

27h 53m

1 stop

CVG23:43Cincinnati Cinci./N. Kentucky

$1,747

Find similar

United Airlines

25 Jan

CVG09:00Cincinnati Cinci./N. Kentucky

32h 05m

2 stops

SYD09:05Sydney Kingsford Smith

1 Feb

SYD11:50Sydney Kingsford Smith

19h 57m

1 stop

CVG15:47Cincinnati Cinci./N. Kentucky

$1,753

Find similar

United Airlines

25 Jan

CVG06:25Cincinnati Cinci./N. Kentucky

32h 35m

1 stop

SYD07:00Sydney Kingsford Smith

22 Feb

SYD11:50Sydney Kingsford Smith

27h 53m

1 stop

CVG23:43Cincinnati Cinci./N. Kentucky

$1,757

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sun 1/2

15:29-09:35

2 stops26h 06m

Sydney Kingsford Smith

Mon 9/2

11:20-18:00

2 stops46h 40m

$1,448

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sun 1/2

15:29-09:35

2 stops26h 06m

Sydney Kingsford Smith

Mon 9/2

11:20-18:00

2 stops46h 40m

$1,449

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Tue 3/3

15:18-09:35

2 stops26h 17m

Sydney Kingsford Smith

Fri 13/3

10:20-18:00

2 stops46h 40m

$1,512

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Tue 3/2

15:29-09:35

2 stops26h 06m

Sydney Kingsford Smith

Sat 28/2

11:20-18:00

2 stops46h 40m

$1,514

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sat 31/1

18:40-09:35

2 stops46h 55m

Sydney Kingsford Smith

Fri 13/2

11:20-18:00

2 stops46h 40m

$1,518

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sat 9/5

14:15-07:20

2 stops51h 05m

Sydney Kingsford Smith

Sun 24/5

09:20-20:30

2 stops49h 10m

$1,538

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sat 24/1

18:40-09:35

2 stops46h 55m

Sydney Kingsford Smith

Wed 25/2

11:20-18:00

2 stops46h 40m

$1,594

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Thu 26/2

18:40-09:35

2 stops46h 55m

Sydney Kingsford Smith

Tue 10/3

10:20-18:00

2 stops46h 40m

$1,610

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Thu 26/2

18:40-09:35

2 stops46h 55m

Sydney Kingsford Smith

Tue 10/3

10:20-18:00

2 stops46h 40m

$1,612

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Thu 26/2

18:40-09:35

1 stop46h 55m

Sydney Kingsford Smith

Tue 10/3

10:20-18:00

2 stops46h 40m

$1,618

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cincinnati 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

What is the cheapest month to fly to Sydney?

The month of March is, on average, the cheapest month to fly to Sydney from Cincinnati, with most prices found around $1,676. If you aren’t able to travel to Sydney during the month of March, then flying in October is also cheap. Prices for this month can be found on momondo for an average of $1,676.

What is the cheapest day to depart on your flight to Sydney?

Our data shows that Sunday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $1,832. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $3,642.

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Cincinnati when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,021 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Cincinnati for as low as $1,485 on momondo.

When to book flights from Cincinnati to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Cincinnati to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Cincinnati to Sydney (CVG to SYD) flight deals and tips

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

Fastest flight time	22h 00m
Direct flights	None

The fastest flight from Cincinnati to Sydney takes 22h 00m

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

Search flight deals

How far is Cincinnati Cinci./N. Kentucky to Sydney Kingsford Smith by plane?
A flight from Cincinnati Cinci./N. Kentucky to Sydney Kingsford Smith will travel around 15067.2 km. Typically, this will take 22h 00m by plane in normal conditions.
When did momondo last update prices for flights from Cincinnati Cinci./N. Kentucky Airport to Sydney Kingsford Smith Airport?
Prices for flights from Cincinnati Cinci./N. Kentucky Airport to Sydney Kingsford Smith Airport are updated daily.
How many operators does momondo search for flights from Cincinnati Cinci./N. Kentucky Airport to Sydney Kingsford Smith Airport?
The number of operators available for flights from Cincinnati Cinci./N. Kentucky Airport to Sydney Kingsford Smith Airport is 1 as of December 2025.
How old do you have to be to fly from Cincinnati Cinci./N. Kentucky Airport to Sydney Kingsford Smith Airport?
The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Cincinnati Cinci./N. Kentucky Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport 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 licence and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular airline from Cincinnati to Sydney?
momondo data reveals that the most frequently booked airline on the route from Cincinnati to Sydney is United Airlines, representing 100% of all bookings.

Best airlines flying from Cincinnati to Sydney

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

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,402	Free cancellation	Rating 7.4 9,094 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

Bondi Beach

Coogee

Cronulla

Randwick

Charlestown

Newport

Swansea

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Cincinnati to Sydney. momondo saves you time and could save you money on your trip.

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

Yes. momondo allows you to filter the results for Cincinnati to Sydney flights to just show those with flexible booking policies.

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

momondo helps you find the best flight between Cincinnati and Sydney by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

I’m not ready to book a flight from Cincinnati 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 Cincinnati and alert you when they change.