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

Flights via Nadi (NAN) offer the lowest average return price of $1,009.

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

Los Angeles (LAX) was the most common stop: 71% of momondo users choosing one-stop flights on this route connected there.

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 has the shortest connection time from Chicago to Sydney?

Los Angeles (LAX) has the shortest average stopover time for this route: 2h 00m.

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

Etihad Airways, Turkish Airlines, and Delta are the most popular carriers operating from Chicago to Sydney Kingsford Smith

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 August 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.

$842 Cheap Flights from Chicago to Sydney in 2026

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.

07:00 - 20:10ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

45h 10m2 stops Los Angeles Tokyo Haneda

12:25 - 08:20SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

35h 55m1 stop Tokyo Haneda

$1,675ANA

Sat, 17 Oct - Fri, 30 Oct

17:45 - 20:10ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 25m1 stop Tokyo Haneda

12:25 - 05:20SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

32h 55m2 stops Tokyo Haneda Los Angeles

$1,676ANA

Sun, 18 Oct - Sat, 31 Oct

07:00 - 20:10ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

45h 10m2 stops Los Angeles Tokyo Haneda

12:25 - 20:37SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

48h 12m2 stops Tokyo Haneda Los Angeles

$1,679ANA

Sat, 17 Oct - Fri, 30 Oct

17:45 - 20:10ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 25m1 stop Tokyo Haneda

12:25 - 05:20SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

32h 55m2 stops Tokyo Haneda Los Angeles

$1,700ANA

Sun, 18 Oct - Sat, 31 Oct

20:01 - 07:30ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

43h 29m1 stop Los Angeles

10:10 - 00:24SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

30h 14m2 stops Los Angeles Denver Intl

$1,703Multiple Airlines

Tue, 13 Oct - Wed, 21 Oct

14:10 - 08:35ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 25m2 stops Los Angeles Auckland Intl

11:50 - 20:22SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 32m2 stops Auckland Intl Los Angeles

$1,712Air New Zealand

Mon, 1 Feb - Wed, 3 Mar

14:10 - 08:35ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 25m2 stops Los Angeles Auckland Intl

09:55 - 05:05SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

36h 10m2 stops Auckland Intl Los Angeles

$1,726Air New Zealand

Mon, 1 Feb - Sun, 28 Feb

08:50 - 08:45ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 55m2 stops Los Angeles Auckland Intl

14:05 - 00:59SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

27h 54m2 stops Auckland Intl Los Angeles

$1,726Air New Zealand

Wed, 21 Oct - Mon, 9 Nov

18:55 - 08:05ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 10m1 stop Los Angeles

13:05 - 19:16SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

22h 11m1 stop Dallas/Fort Worth

$2,201Qantas Airways

Sat, 17 Oct - Fri, 30 Oct

15:52 - 06:55ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

22h 03m1 stop Dallas/Fort Worth

14:05 - 18:23SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

21h 18m1 stop Dallas/Fort Worth

$2,204Qantas Airways

Wed, 18 Nov - Mon, 7 Dec

Cheap last-minute flights

Enter your travel dates to find the best prices.

08:49 - 07:20ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 31m1 stop Vancouver Intl

09:20 - 08:00SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

37h 40m1 stop Toronto Pearson Intl

$1,803Air Canada

Sun, 30 Aug - Tue, 15 Sep

08:49 - 07:20ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 31m1 stop Vancouver Intl

09:20 - 08:00SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

37h 40m1 stop Toronto Pearson Intl

$1,807Air Canada

Sun, 30 Aug - Tue, 15 Sep

08:44 - 07:20ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 36m2 stops Calgary Vancouver Intl

09:20 - 17:06SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

22h 46m2 stops Vancouver Intl Calgary

$1,862Air Canada

Sun, 30 Aug - Sun, 6 Sep

08:49 - 07:20ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 31m1 stop Vancouver Intl

09:20 - 17:06SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

22h 46m2 stops Vancouver Intl Calgary

$1,862Air Canada

Sun, 30 Aug - Sun, 6 Sep

08:44 - 07:20ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 36m2 stops Calgary Vancouver Intl

09:20 - 14:43SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

20h 23m1 stop Vancouver Intl

$1,862Air Canada

Sun, 30 Aug - Tue, 15 Sep

08:44 - 07:20ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 36m2 stops Calgary Vancouver Intl

09:20 - 07:51SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

37h 31m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,866Air Canada

Sun, 30 Aug - Tue, 15 Sep

08:44 - 07:20ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 36m2 stops Calgary Vancouver Intl

09:20 - 07:51SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

37h 31m3 stops Vancouver Intl Toronto Pearson Intl Montreal Pierre Elliott Trudeau Intl

$1,877Air Canada

Sun, 30 Aug - Tue, 15 Sep

08:44 - 07:20ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 36m2 stops Calgary Vancouver Intl

09:20 - 08:00SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

37h 40m1 stop Toronto Pearson Intl

$1,881Air Canada

Sun, 30 Aug - Tue, 15 Sep

19:00 - 07:05ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 05m1 stop Los Angeles

12:00 - 18:29SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

21h 29m1 stop Dallas/Fort Worth

$2,222Qantas Airways

Wed, 26 Aug - Tue, 8 Sep

19:00 - 07:05ORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 05m1 stop Los Angeles

12:00 - 18:29SYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

21h 29m1 stop Dallas/Fort Worth

$2,233Qantas Airways

Wed, 26 Aug - Tue, 8 Sep

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Delta flights from Chicago to Sydney

Our best Delta deals on Chicago to Sydney flight tickets

Delta

17 Oct

MDW13:27Chicago Midway

26h 23m

2 stops

SYD07:50Sydney Kingsford Smith

30 Oct

SYD09:40Sydney Kingsford Smith

24h 20m

2 stops

MDW18:00Chicago Midway

$2,254

Delta

24 Oct

MDW13:27Chicago Midway

26h 03m

2 stops

SYD07:30Sydney Kingsford Smith

7 Nov

SYD10:40Sydney Kingsford Smith

23h 07m

2 stops

MDW16:47Chicago Midway

$2,256

Delta

1 Dec

MDW13:02Chicago Midway

26h 28m

2 stops

SYD08:30Sydney Kingsford Smith

13 Dec

SYD10:40Sydney Kingsford Smith

24h 21m

2 stops

MDW18:01Chicago Midway

$2,257

ANA flights from Chicago to Sydney

Our best ANA deals on Chicago to Sydney flight tickets

ANA

17 Oct

ORD07:00Chicago O'Hare Intl

45h 10m

2 stops

SYD20:10Sydney Kingsford Smith

30 Oct

SYD12:25Sydney Kingsford Smith

35h 55m

1 stop

ORD08:20Chicago O'Hare Intl

$1,675

ANA

18 Oct

ORD17:45Chicago O'Hare Intl

34h 25m

1 stop

SYD20:10Sydney Kingsford Smith

31 Oct

SYD12:25Sydney Kingsford Smith

32h 55m

2 stops

ORD05:20Chicago O'Hare Intl

$1,676

ANA

17 Oct

ORD07:00Chicago O'Hare Intl

45h 10m

2 stops

SYD20:10Sydney Kingsford Smith

30 Oct

SYD12:25Sydney Kingsford Smith

48h 12m

2 stops

ORD20:37Chicago O'Hare Intl

$1,679

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

Sat 17/10

07:00-20:10

2 stops45h 10m

Sydney Kingsford Smith

Fri 30/10

12:25-08:20

1 stop35h 55m

$1,675

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sun 18/10

17:45-20:10

1 stop34h 25m

Sydney Kingsford Smith

Sat 31/10

12:25-05:20

2 stops32h 55m

$1,676

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sat 17/10

07:00-20:10

2 stops45h 10m

Sydney Kingsford Smith

Fri 30/10

12:25-20:37

2 stops48h 12m

$1,679

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sun 18/10

17:45-20:10

1 stop34h 25m

Sydney Kingsford Smith

Sat 31/10

12:25-05:20

2 stops32h 55m

$1,700

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Tue 13/10

20:01-07:30

1 stop43h 29m

Sydney Kingsford Smith

Wed 21/10

10:10-00:24

2 stops30h 14m

$1,703

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 1/2

14:10-08:35

2 stops25h 25m

Sydney Kingsford Smith

Wed 3/3

11:50-20:22

2 stops25h 32m

$1,712

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 1/2

14:10-08:35

2 stops25h 25m

Sydney Kingsford Smith

Sun 28/2

09:55-05:05

2 stops36h 10m

$1,726

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Wed 21/10

08:50-08:45

2 stops31h 55m

Sydney Kingsford Smith

Mon 9/11

14:05-00:59

2 stops27h 54m

$1,726

Fastest return journey

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sat 17/10

18:55-08:05

1 stop21h 10m

Sydney Kingsford Smith

Fri 30/10

13:05-19:16

1 stop22h 11m

$2,201

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Wed 18/11

15:52-06:55

1 stop22h 03m

Sydney Kingsford Smith

Mon 7/12

14:05-18:23

1 stop21h 18m

$2,204

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

Airlines

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 $1,716 to $2,592.
The lowest price recently found on this route was $1,675.

What is the cheapest month to fly to Sydney?

The month of June is, on average, the cheapest month to fly to Sydney from Chicago, with most prices found around $1,793. If you aren’t able to travel to Sydney during the month of June, then flying in February is also cheap. Prices for this month can be found on momondo for an average of $1,852.

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 $2,004 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 $1,535 on momondo.

How have Chicago to Sydney flight prices changed over time?

As of August 2026, prices for Chicago to Sydney flights are approximately 129% 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	$842
Fastest flight time	20h 51m
Direct flights	None

The best one-way flight to Sydney from Chicago in the past 72 hours is $842. The best return flight deal from Chicago to Sydney found on momondo in the last 72 hours is $1,675.

The fastest flight from Chicago to Sydney takes 20h 51m

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 20h 51m.
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 August 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 $2,210	Free cancellation	Rating 7.5 1,085 reviews		Search Qantas Airways flights

Parramatta

Wollongong

Terrigal

Penrith

Katoomba

Lithgow

Coogee

Manly

Leura

Randwick

Cronulla

Bondi Beach

Charlestown

Swansea

Newport

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.