Which airport is the most popular for stopovers for flights between Chicago and Sydney?

Los Angeles (LAX) was the most common stop: 67% of momondo users choosing one-stop flights on this route connected there.

Which stopover airport has the shortest connection time from Chicago to Sydney?

Los Angeles (LAX) has the shortest average stopover time for this route: 1h 50m.

Which stopover airport has the shortest travel time from Chicago to Sydney?

Flights connecting via Nadi (NAN) have the shortest average one-way travel time: 19h 00m.

Which stopover airport offers the lowest fares from Chicago to Sydney?

Flights via Nadi (NAN) offer the lowest average return price of $1,030.

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

Prices for flights from Chicago to Sydney Kingsford Smith Airport were last updated today.

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

As of November 2026, there is 1 operator available to choose from for flights from Chicago to Sydney Kingsford Smith Airport.

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

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 stopovers 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 Chicago to Sydney Kingsford Smith Airport.

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

The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$815 Cheap Flights from Chicago to Sydney in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Sydney

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:25 - 07:05ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

22h 40m2 stops Phoenix Sky Harbor Intl Los Angeles

09:10 - 17:57SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

23h 47m1 stop Los Angeles

$1,880American Airlines

Thu, 22 Apr - Sat, 8 May

18:15 - 21:50ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

58h 35m2 stops Los Angeles Auckland Intl

09:55 - 20:40SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

27h 45m2 stops Auckland Intl Los Angeles

$1,890Air New Zealand

Tue, 1 Dec - Wed, 13 Jan

15:51 - 08:45ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 54m2 stops Los Angeles Auckland Intl

11:55 - 22:36SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 41m2 stops Auckland Intl Houston George Bush Intcntl

$1,893Air New Zealand

Thu, 29 Apr - Mon, 10 May

12:40 - 08:35ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

26h 55m2 stops San Francisco Auckland Intl

11:50 - 20:40SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 50m2 stops Auckland Intl Los Angeles

$1,893Air New Zealand

Tue, 2 Feb - Thu, 18 Feb

11:00 - 08:35ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

29h 35m2 stops Los Angeles Auckland Intl

11:55 - 21:11SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

24h 16m2 stops Auckland Intl Houston George Bush Intcntl

$1,893Air New Zealand

Wed, 17 Mar - Sat, 22 May

12:35 - 08:35ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

27h 00m2 stops San Francisco Auckland Intl

11:50 - 20:31SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

24h 41m2 stops Auckland Intl San Francisco

$1,895Air New Zealand

Thu, 11 Mar - Tue, 16 Mar

07:30 - 06:25ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

29h 55m2 stops Las Vegas Harry Reid Intl Los Angeles

09:20 - 22:57SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

30h 37m1 stop Houston George Bush Intcntl

$1,903Multiple Airlines

Fri, 5 Feb - Thu, 18 Feb

23:45 - 09:50ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

42h 05m1 stop Manila Ninoy Aquino Intl

11:35 - 17:55SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

45h 20m1 stop Manila Ninoy Aquino Intl

$1,906Philippine Airlines

Wed, 24 Mar - Thu, 22 Apr

18:45 - 09:00ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 15m1 stop Los Angeles

08:55 - 15:59SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

24h 04m2 stops Auckland Intl Los Angeles

$2,017Qantas Airways

Tue, 29 Dec - Sat, 23 Jan

18:45 - 09:00ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 15m1 stop Los Angeles

08:55 - 16:15SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

24h 20m2 stops Auckland Intl Los Angeles

$2,017Qantas Airways

Sat, 28 Nov - Sat, 5 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

06:55 - 08:35ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

32h 40m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 18:56SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

24h 06m2 stops Auckland Intl Los Angeles

$1,912Air New Zealand

Sun, 8 Nov - Wed, 18 Nov

21:35 - 21:50ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

55h 15m2 stops Houston George Bush Intcntl Auckland Intl

14:05 - 20:37SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

23h 32m2 stops Auckland Intl Los Angeles

$1,952Air New Zealand

Sat, 7 Nov - Fri, 13 Nov

18:30 - 21:50ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

58h 20m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 20:37SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 47m2 stops Auckland Intl Los Angeles

$1,953Air New Zealand

Sat, 7 Nov - Fri, 13 Nov

19:55 - 21:50ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

56h 55m2 stops Houston George Bush Intcntl Auckland Intl

11:50 - 18:56SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

24h 06m2 stops Auckland Intl Los Angeles

$1,953Air New Zealand

Sat, 7 Nov - Sat, 14 Nov

21:57 - 21:50ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

54h 53m2 stops San Francisco Auckland Intl

11:50 - 20:37SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 47m2 stops Auckland Intl Los Angeles

$1,957Air New Zealand

Sat, 7 Nov - Fri, 13 Nov

10:19 - 09:00ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

29h 41m2 stops Atlanta Hartsfield-Jackson Los Angeles

11:10 - 06:14SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

36h 04m1 stop Los Angeles

$2,000Multiple Airlines

Mon, 9 Nov - Tue, 24 Nov

14:22 - 08:35ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 13m2 stops Houston George Bush Intcntl Auckland Intl

14:05 - 20:37SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

23h 32m2 stops Auckland Intl Los Angeles

$2,071Air New Zealand

Fri, 6 Nov - Fri, 13 Nov

16:36 - 06:25ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

44h 49m2 stops Dallas/Fort Worth Los Angeles

11:30 - 16:55SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

46h 25m1 stop Manila Ninoy Aquino Intl

$2,071Multiple Airlines

Sat, 7 Nov - Sun, 15 Nov

18:45 - 09:00ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 15m1 stop Los Angeles

11:10 - 22:31SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

28h 21m1 stop Los Angeles

$2,358Qantas Airways

Mon, 9 Nov - Tue, 24 Nov

13:24 - 09:00ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

26h 36m1 stop Los Angeles

11:10 - 00:01SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

29h 51m1 stop Los Angeles

$2,358Qantas Airways

Sun, 8 Nov - Wed, 18 Nov

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Air New Zealand flights from Chicago to Sydney

Our best Air New Zealand deals on Chicago to Sydney flight tickets

Air New Zealand

1 Dec

ORD18:15Chicago O'Hare Intl

58h 35m

2 stops

SYD21:50Sydney Kingsford Smith

13 Jan

SYD09:55Sydney Kingsford Smith

27h 45m

2 stops

ORD20:40Chicago O'Hare Intl

$1,890

Air New Zealand

2 Feb

ORD12:40Chicago O'Hare Intl

26h 55m

2 stops

SYD08:35Sydney Kingsford Smith

18 Feb

SYD11:50Sydney Kingsford Smith

25h 50m

2 stops

ORD20:40Chicago O'Hare Intl

$1,893

Air New Zealand

11 Mar

ORD12:35Chicago O'Hare Intl

27h 00m

2 stops

SYD08:35Sydney Kingsford Smith

16 Mar

SYD11:50Sydney Kingsford Smith

24h 41m

2 stops

ORD20:31Chicago O'Hare Intl

$1,895

Turkish Airlines flights from Chicago to Sydney

Our best Turkish Airlines deals on Chicago to Sydney flight tickets

Turkish Airlines

16 Nov

ORD20:15Chicago O'Hare Intl

54h 10m

2 stops

SYD19:25Sydney Kingsford Smith

21 Nov

SYD21:35Sydney Kingsford Smith

37h 45m

2 stops

ORD18:20Chicago O'Hare Intl

$2,124

Turkish Airlines

9 Nov

ORD20:15Chicago O'Hare Intl

54h 10m

2 stops

SYD19:25Sydney Kingsford Smith

22 Nov

SYD21:35Sydney Kingsford Smith

37h 45m

2 stops

ORD18:20Chicago O'Hare Intl

$2,136

Turkish Airlines

15 Nov

ORD11:45Chicago O'Hare Intl

38h 40m

2 stops

SYD19:25Sydney Kingsford Smith

19 Nov

SYD21:35Sydney Kingsford Smith

53h 25m

2 stops

ORD10:00Chicago O'Hare Intl

$2,177

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Thu 22/4

17:25-07:05

2 stops22h 40m

Sydney Kingsford Smith

Sat 8/5

09:10-17:57

1 stop23h 47m

$1,880

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Tue 1/12

18:15-21:50

2 stops58h 35m

Sydney Kingsford Smith

Wed 13/1

09:55-20:40

2 stops27h 45m

$1,890

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Thu 29/4

15:51-08:45

2 stops25h 54m

Sydney Kingsford Smith

Mon 10/5

11:55-22:36

2 stops25h 41m

$1,893

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Tue 2/2

12:40-08:35

2 stops26h 55m

Sydney Kingsford Smith

Thu 18/2

11:50-20:40

2 stops25h 50m

$1,893

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Wed 17/3

11:00-08:35

2 stops29h 35m

Sydney Kingsford Smith

Sat 22/5

11:55-21:11

2 stops24h 16m

$1,893

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Thu 11/3

12:35-08:35

2 stops27h 00m

Sydney Kingsford Smith

Tue 16/3

11:50-20:31

2 stops24h 41m

$1,895

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Fri 5/2

07:30-06:25

2 stops29h 55m

Sydney Kingsford Smith

Thu 18/2

09:20-22:57

1 stop30h 37m

$1,903

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Wed 24/3

23:45-09:50

1 stop42h 05m

Sydney Kingsford Smith

Thu 22/4

11:35-17:55

1 stop45h 20m

$1,906

Fastest return journey

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Tue 29/12

18:45-09:00

1 stop21h 15m

Sydney Kingsford Smith

Sat 23/1

08:55-15:59

2 stops24h 04m

$2,017

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sat 28/11

18:45-09:00

1 stop21h 15m

Sydney Kingsford Smith

Sat 5/12

08:55-16:15

2 stops24h 20m

$2,017

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 Chicago 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

Stopovers

What is the typical price of a round-trip flight between Chicago and Sydney?

Prices are currently low for flights on this route.

Typical prices usually range from $1,947 to $2,294.
The lowest price recently found on this route was $1,880.

What is the cheapest month to fly to Sydney?

The month of January is, on average, the cheapest month to fly to Sydney from Chicago, with most prices found around $1,765. If you aren’t able to travel to Sydney during the month of January, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,839.

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

You are more likely to see cheaper flights to Sydney from Chicago when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around $2,139 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 Chicago for as low as $1,541 on momondo.

Can stopping save me money on Chicago to Sydney flights?

You could potentially save up to 17% on your flight if you consider stops on a Chicago to Sydney flight.

How have Chicago to Sydney flight prices changed over time?

As of November 2026, prices for Chicago to Sydney flights are approximately 11% more expensive when compared to flights at the same time last year.

When to book flights from Chicago to Sydney

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

Estimated return price

Cheap Chicago to Sydney (CHI to SYD) flight deals and tips

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

Best price found	$815
Fastest flight time	21h 50m
Direct flights	None

The best one-way flight to Sydney from Chicago in the past 72 hours is $815. The best return flight deal from Chicago to Sydney found on momondo in the last 72 hours is $1,880.

The fastest flight from Chicago to Sydney takes 21h 50m

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

Search flight deals

Frequently asked questions about flying from Chicago to Sydney

How far is Chicago to Sydney Kingsford Smith by plane?
Chicago and Sydney Kingsford Smith are 14866.2 km apart from one another. A reasonable flight in good conditions will take 21h 50m.
When did momondo last update prices for flights from Chicago to Sydney Kingsford Smith Airport?
Prices for flights from Chicago to Sydney Kingsford Smith Airport were last updated today.
How many operators does momondo search for flights from Chicago to Sydney Kingsford Smith Airport?
As of November 2026, there is 1 operator available to choose from for flights from Chicago to Sydney Kingsford Smith Airport.
How old do you have to be to fly from Chicago to Sydney Kingsford Smith Airport?
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 stopovers 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 Chicago to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The necessary travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Chicago to Sydney

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

Airline	Rating	Free cancellation	Price
Qantas Airways	PriceFrom $2,256	Free cancellation	Rating 7.5 1,122 reviews		Search Qantas Airways flights

Parramatta

Terrigal

Wollongong

Katoomba

Penrith

Coogee

Lithgow

Manly

Cronulla

Randwick

Leura

Bondi Beach

Charlestown

Newport

Swansea

Why use momondo?

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

It is quick and easy to find Chicago 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 Chicago to Sydney with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Sydney from Chicago with this policy.

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

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Chicago.

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