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

United Airlines, Qantas Airways, and American Airlines 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 September 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.

$836 Cheap Flights from Cincinnati to Sydney in 2025/26

Q: What is the typical price of a round-trip flight between Cincinnati and Sydney?

Prices are currently typical for flights on this route. Typical prices usually range from $1,409 to $2,088. The lowest price recently found on this route was $1,634.

1 adult

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Find the cheapest flights from Cincinnati to Sydney

Round-trip

One-way

Last minute

Cheap return flights

18:16 - 10:55CVG-SYD

24h 39m2 stops

14:05 - 19:46SYD-CVG

21h 41m1 stop

$1,634Qantas Airways

Find Deal

Tue, 3 Feb - Sat, 28 Feb

18:16 - 10:55CVG-SYD

24h 39m2 stops

14:05 - 19:46SYD-CVG

21h 41m1 stop

$1,635Qantas Airways

Find Deal

Tue, 3 Feb - Sat, 28 Feb

17:19 - 06:55CVG-SYD

21h 36m1 stop

07:05 - 16:06SYD-CVG

25h 01m2 stops

$1,649Qantas Airways

Find Deal

Wed, 10 Dec - Wed, 17 Dec

18:16 - 12:15CVG-SYD

25h 59m2 stops

14:05 - 19:46SYD-CVG

21h 41m1 stop

$1,659Qantas Airways

Find Deal

Thu, 29 Jan - Sat, 7 Feb

07:00 - 09:15CVG-SYD

34h 15m2 stops

14:00 - 10:00SYD-CVG

36h 00m2 stops

$1,700United Airlines

Find Deal

Wed, 14 Jan - Wed, 21 Jan

11:45 - 10:30CVG-SYD

30h 45m2 stops

11:45 - 23:44SYD-CVG

27h 59m2 stops

$1,701Air New Zealand

Find Deal

Wed, 10 Dec - Wed, 17 Dec

18:40 - 08:35CVG-SYD

46h 55m2 stops

11:20 - 18:00SYD-CVG

46h 40m2 stops

$1,712Air Canada

Find Deal

Fri, 31 Oct - Fri, 7 Nov

18:40 - 09:35CVG-SYD

47h 55m2 stops

11:20 - 18:00SYD-CVG

46h 40m2 stops

$1,734Air Canada

Find Deal

Sat, 1 Nov - Sat, 8 Nov

14:19 - 06:55CVG-SYD

25h 36m1 stop

11:20 - 18:00SYD-CVG

46h 40m2 stops

$1,740Multiple Airlines

Find Deal

Fri, 31 Oct - Fri, 7 Nov

17:50 - 09:15CVG-SYD

24h 25m2 stops

11:50 - 16:04SYD-CVG

20h 14m1 stop

$1,838United Airlines

Find Deal

Sat, 1 Nov - Sat, 8 Nov

Qantas Airways flights from Cincinnati to Sydney

Our best Qantas Airways deals on Cincinnati to Sydney flight tickets

Qantas Airways

20 Sept

CVG16:33Cincinnati Cinci./N. Kentucky

24h 22m

1 stop

SYD06:55Sydney Kingsford Smith

22 Sept

SYD12:10Sydney Kingsford Smith

24h 51m

1 stop

CVG23:01Cincinnati Cinci./N. Kentucky

$1,607

Find similar

Qantas Airways

3 Feb

CVG18:16Cincinnati Cinci./N. Kentucky

24h 39m

2 stops

SYD10:55Sydney Kingsford Smith

28 Feb

SYD14:05Sydney Kingsford Smith

21h 41m

1 stop

CVG19:46Cincinnati Cinci./N. Kentucky

$1,634

Find similar

Qantas Airways

3 Feb

CVG18:16Cincinnati Cinci./N. Kentucky

24h 39m

2 stops

SYD10:55Sydney Kingsford Smith

28 Feb

SYD14:05Sydney Kingsford Smith

21h 41m

1 stop

CVG19:46Cincinnati Cinci./N. Kentucky

$1,635

Find similar

United Airlines flights from Cincinnati to Sydney

Our best United Airlines deals on Cincinnati to Sydney flight tickets

United Airlines

14 Jan

CVG07:00Cincinnati Cinci./N. Kentucky

34h 15m

2 stops

SYD09:15Sydney Kingsford Smith

21 Jan

SYD14:00Sydney Kingsford Smith

36h 00m

2 stops

CVG10:00Cincinnati Cinci./N. Kentucky

$1,700

Find similar

United Airlines

1 Nov

CVG17:50Cincinnati Cinci./N. Kentucky

24h 25m

2 stops

SYD09:15Sydney Kingsford Smith

8 Nov

SYD11:50Sydney Kingsford Smith

20h 14m

1 stop

CVG16:04Cincinnati Cinci./N. Kentucky

$1,838

Find similar

United Airlines

26 Feb

CVG11:50Cincinnati Cinci./N. Kentucky

27h 10m

1 stop

SYD07:00Sydney Kingsford Smith

9 Mar

SYD11:50Sydney Kingsford Smith

26h 49m

1 stop

CVG23:39Cincinnati Cinci./N. Kentucky

$1,845

Find similar

Fly from

Fly to

Route

Depart

Return

Price

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Tue 3/2

18:16-10:55

2 stops24h 39m

Sydney Kingsford Smith

Sat 28/2

14:05-19:46

1 stop21h 41m

$1,634

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Tue 3/2

18:16-10:55

2 stops24h 39m

Sydney Kingsford Smith

Sat 28/2

14:05-19:46

1 stop21h 41m

$1,635

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Wed 10/12

17:19-06:55

1 stop21h 36m

Sydney Kingsford Smith

Wed 17/12

07:05-16:06

2 stops25h 01m

$1,649

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Thu 29/1

18:16-12:15

2 stops25h 59m

Sydney Kingsford Smith

Sat 7/2

14:05-19:46

1 stop21h 41m

$1,659

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Wed 14/1

07:00-09:15

2 stops34h 15m

Sydney Kingsford Smith

Wed 21/1

14:00-10:00

2 stops36h 00m

$1,700

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Wed 10/12

11:45-10:30

2 stops30h 45m

Sydney Kingsford Smith

Wed 17/12

11:45-23:44

2 stops27h 59m

$1,701

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Fri 31/10

18:40-08:35

2 stops46h 55m

Sydney Kingsford Smith

Fri 7/11

11:20-18:00

2 stops46h 40m

$1,712

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sat 1/11

18:40-09:35

2 stops47h 55m

Sydney Kingsford Smith

Sat 8/11

11:20-18:00

2 stops46h 40m

$1,734

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Fri 31/10

14:19-06:55

1 stop25h 36m

Sydney Kingsford Smith

Fri 7/11

11:20-18:00

2 stops46h 40m

$1,740

CincinnatiSydney

CVG - SYD

CVGSYD

Cincinnati Cinci./N. Kentucky

Sat 1/11

17:50-09:15

2 stops24h 25m

Sydney Kingsford Smith

Sat 8/11

11:50-16:04

1 stop20h 14m

$1,838

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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 typical price of a round-trip flight between Cincinnati and Sydney?

What is the cheapest month to fly to Sydney?

The month of August is, on average, the cheapest month to fly to Sydney from Cincinnati, with most prices found around $1,646. If you aren’t able to travel to Sydney during the month of August, then flying in September is also cheap. Prices for this month can be found on momondo for an average of $1,719.

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 $1,829. The most expensive day to fly to Sydney is Friday, with ticket prices averaging around $3,634.

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 $2,060 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 $1,527 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

Direct flights	None

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 21h 35m 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 September 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 $1,400	Free cancellation	Rating 7.4 8,926 reviews		Search United Airlines flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Leura

Manly

Bondi Beach

Coogee

Randwick

Cronulla

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.