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

Dallas (DFW) has the shortest average layover time for this route: 1h 39m.

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

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

What airlines fly to Sydney?

Qantas Airways, Air Canada and United Airlines are the top three most popular airlines that fly to Sydney from Chicago according to our data. Qantas Airways is the first choice among our users, with 46% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 9 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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

Flights via Vancouver (YVR) offer the lowest average round-trip price of $1,160.

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

Flights connecting via Dallas (DFW) have the shortest average one-way travel time: 20h 55m.

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

Los Angeles (LAX) was the most common stop: 64% of momondo users choosing 1-stop flights on this route connected there.

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 are 9 operators 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 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 Chicago to Sydney Kingsford Smith Airport.

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

The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$597 Cheap Flights from Chicago to Sydney in 2026

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Find the cheapest flights from Chicago to Sydney

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6:30 am - 7:05 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

33h 35m2 stops Denver Intl Los Angeles Los Angeles

5:50 pm - 5:38 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

26h 48m2 stops Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,205Multiple Airlines

Wed, Sep 23 - Wed, Sep 30

6:30 am - 7:05 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

33h 35m2 stops Denver Intl Los Angeles Los Angeles

5:50 pm - 5:38 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

26h 48m2 stops Los Angeles Los Angeles Las Vegas Harry Reid Intl

$1,222Multiple Airlines

Mon, Sep 14 - Wed, Sep 23

11:00 am - 8:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

28h 35m2 stops Los Angeles Los Angeles Auckland Intl

9:55 am - 8:22 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

27h 27m2 stops Auckland Intl Los Angeles Los Angeles

$1,223Air New Zealand

Mon, Feb 1 - Wed, Feb 10

2:35 pm - 8:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 00m2 stops Los Angeles Los Angeles Auckland Intl

2:05 pm - 8:22 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

23h 17m2 stops Auckland Intl Los Angeles Los Angeles

$1,223Air New Zealand

Mon, Jan 4 - Mon, Feb 8

3:40 pm - 7:20 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 40m1 stop Vancouver Intl

9:20 am - 2:43 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

20h 23m1 stop Vancouver Intl

$1,247Air Canada

Sun, Aug 30 - Sun, Sep 13

3:40 pm - 7:20 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 40m1 stop Vancouver Intl

9:20 am - 8:00 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

37h 40m2 stops Vancouver Intl Toronto Pearson Intl

$1,255Air Canada

Sun, Aug 30 - Sun, Sep 13

4:25 pm - 8:15 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 50m1 stop Tokyo Haneda

12:25 pm - 5:20 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

33h 55m2 stops Tokyo Haneda Los Angeles Los Angeles

$1,266ANA

Sun, Nov 1 - Sun, Nov 8

4:25 pm - 8:15 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 50m1 stop Tokyo Haneda

12:25 pm - 7:20 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

35h 55m1 stop Tokyo Haneda

$1,266ANA

Tue, Nov 17 - Tue, Nov 24

6:50 pm - 10:25 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 35m2 stops Doha Hamad Intl Brisbane

3:50 pm - 2:30 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

39h 40m1 stop Doha Hamad Intl

$1,377Qatar Airways

Sun, Jan 17 - Tue, Feb 2

7:20 pm - 5:10 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

30h 50m1 stop Doha Hamad Intl

7:00 pm - 3:05 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

35h 05m2 stops Brisbane Doha Hamad Intl

$1,389Qatar Airways

Mon, Sep 7 - Mon, Sep 14

Cheap last minute flights

Enter your travel dates to find the best prices.

3:40 pm - 7:20 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 40m1 stop Vancouver Intl

9:20 am - 2:36 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

20h 16m1 stop Vancouver Intl

$1,322Air Canada

Mon, Aug 17 - Tue, Aug 25

11:05 am - 7:20 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

29h 15m2 stops Montreal Pierre Elliott Trudeau Intl Vancouver Intl

9:20 am - 2:36 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

20h 16m1 stop Vancouver Intl

$1,325Air Canada

Mon, Aug 17 - Tue, Aug 25

9:13 pm - 6:50 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

30h 37m2 stops Los Angeles Los Angeles Honolulu

5:50 pm - 5:59 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

27h 09m1 stop Los Angeles Los Angeles

$1,480Multiple Airlines

Sun, Aug 16 - Sat, Aug 22

9:13 pm - 6:50 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

30h 37m2 stops Los Angeles Los Angeles Honolulu

5:50 pm - 5:59 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

27h 09m1 stop Los Angeles Los Angeles

$1,481Multiple Airlines

Sun, Aug 16 - Sat, Aug 22

1:51 pm - 6:50 amMDW Chicago Midway-SYD Sydney Kingsford Smith

25h 59m2 stops Minneapolis St Paul Los Angeles Los Angeles

9:15 am - 6:01 pmSYD Sydney Kingsford Smith-MDW Chicago Midway

23h 46m2 stops Los Angeles Los Angeles Minneapolis St Paul

$1,616Delta

Mon, Aug 17 - Tue, Aug 25

3:20 pm - 6:25 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 05m1 stop San Francisco

12:00 pm - 7:42 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

22h 42m1 stop Dallas/Fort Worth

$1,658American Airlines

Sun, Aug 16 - Sat, Aug 22

9:24 am - 6:50 amMDW Chicago Midway-SYD Sydney Kingsford Smith

30h 26m2 stops Detroit Metropolitan Wayne County Los Angeles Los Angeles

9:15 am - 6:01 pmSYD Sydney Kingsford Smith-MDW Chicago Midway

23h 46m2 stops Los Angeles Los Angeles Minneapolis St Paul

$2,065Delta

Sun, Aug 16 - Sat, Aug 22

7:00 pm - 7:30 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 30m1 stop Los Angeles Los Angeles

5:50 pm - 11:00 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

20h 10m1 stop Los Angeles Los Angeles

$2,887Qantas Airways

Sun, Aug 16 - Sat, Aug 22

7:00 pm - 7:05 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 05m1 stop Los Angeles Los Angeles

6:25 am - 5:29 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

26h 04m2 stops Melbourne Los Angeles Los Angeles

$3,049Qantas Airways

Sun, Aug 16 - Sat, Aug 22

3:40 pm - 7:20 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 40m1 stop Vancouver Intl

9:20 am - 8:06 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 46m1 stop Vancouver Intl

$8,741Air New Zealand

Tue, Aug 18 - Tue, Aug 25

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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

Feb 1

ORD2:10 pmChicago O'Hare Intl

27h 25m

2 stops

SYD10:35 amSydney Kingsford Smith

Mar 3

SYD9:55 amSydney Kingsford Smith

25h 59m

2 stops

ORD6:54 pmChicago O'Hare Intl

$1,223

Air New Zealand

Nov 2

ORD1:00 pmChicago O'Hare Intl

26h 35m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 10

SYD9:55 amSydney Kingsford Smith

27h 40m

2 stops

ORD8:35 pmChicago O'Hare Intl

$1,224

Air New Zealand

Feb 1

ORD2:10 pmChicago O'Hare Intl

27h 25m

2 stops

SYD10:35 amSydney Kingsford Smith

Mar 3

SYD9:55 amSydney Kingsford Smith

25h 59m

2 stops

ORD6:54 pmChicago O'Hare Intl

$1,225

Air Canada flights from Chicago to Sydney

Our best Air Canada deals on Chicago to Sydney flight tickets

Air Canada

Aug 30

ORD3:40 pmChicago O'Hare Intl

24h 40m

1 stop

SYD7:20 amSydney Kingsford Smith

Sep 13

SYD9:20 amSydney Kingsford Smith

20h 23m

1 stop

ORD2:43 pmChicago O'Hare Intl

$1,247

Air Canada

Aug 30

ORD3:40 pmChicago O'Hare Intl

24h 40m

1 stop

SYD7:20 amSydney Kingsford Smith

Sep 13

SYD9:20 amSydney Kingsford Smith

37h 40m

2 stops

ORD8:00 amChicago O'Hare Intl

$1,255

Air Canada

Sep 13

ORD12:59 pmChicago O'Hare Intl

27h 21m

2 stops

SYD7:20 amSydney Kingsford Smith

Sep 20

SYD9:20 amSydney Kingsford Smith

20h 23m

1 stop

ORD2:43 pmChicago O'Hare Intl

$1,276

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Wed 9/23

6:30 am-7:05 am

2 stops33h 35m

Sydney Kingsford Smith

Wed 9/30

5:50 pm-5:38 am

2 stops26h 48m

$1,205

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 9/14

6:30 am-7:05 am

2 stops33h 35m

Sydney Kingsford Smith

Wed 9/23

5:50 pm-5:38 am

2 stops26h 48m

$1,222

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 2/1

11:00 am-8:35 am

2 stops28h 35m

Sydney Kingsford Smith

Wed 2/10

9:55 am-8:22 pm

2 stops27h 27m

$1,223

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 1/4

2:35 pm-8:35 am

2 stops25h 00m

Sydney Kingsford Smith

Mon 2/8

2:05 pm-8:22 pm

2 stops23h 17m

$1,223

Quickest round-trip

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sun 8/30

3:40 pm-7:20 am

1 stop24h 40m

Sydney Kingsford Smith

Sun 9/13

9:20 am-2:43 pm

1 stop20h 23m

$1,247

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sun 8/30

3:40 pm-7:20 am

1 stop24h 40m

Sydney Kingsford Smith

Sun 9/13

9:20 am-8:00 am

2 stops37h 40m

$1,255

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sun 11/1

4:25 pm-8:15 pm

1 stop34h 50m

Sydney Kingsford Smith

Sun 11/8

12:25 pm-5:20 am

2 stops33h 55m

$1,266

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Tue 11/17

4:25 pm-8:15 pm

1 stop34h 50m

Sydney Kingsford Smith

Tue 11/24

12:25 pm-7:20 am

1 stop35h 55m

$1,266

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sun 1/17

6:50 pm-10:25 pm

2 stops34h 35m

Sydney Kingsford Smith

Tue 2/2

3:50 pm-2:30 pm

1 stop39h 40m

$1,377

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 9/7

7:20 pm-5:10 pm

1 stop30h 50m

Sydney Kingsford Smith

Mon 9/14

7:00 pm-3:05 pm

2 stops35h 05m

$1,389

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 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

Layovers

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 $1,272 to $1,797.
The lowest price recently found on this route was $1,205.

What is the cheapest month to fly to Sydney?

In general, February is the cheapest month to fly from Chicago to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $1,281. If you are unable to visit Sydney during the month of February, then departing from Chicago during the month June is also very affordable. Most momondo users find prices during this month for around $1,284.

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 $1,421 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Chicago for as low as $1,162 on momondo.

Can stopping save me money on Chicago to Sydney flights?

You could potentially save up to 7% 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 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 round-trip 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

Fastest flight time	24h 24m
Direct flights	None

The fastest flight from Chicago to Sydney takes 24h 24m

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?
There are 9237.5 mi between Chicago and Sydney Kingsford Smith. By plane, this route typically takes 24h 24m.
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 are 9 operators 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 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 Chicago to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.
What is the most popular airline from Chicago to Sydney?
Based on momondo bookings for flights between Chicago and Sydney, the leading airline is Qantas Airways, making up 40% of the total bookings. Other popular airlines include United Airlines with 18%, Air Canada with 15%, and American Airlines with 11%.

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
Delta	PriceFrom $261	Free Cancellation	Rating 7.8 8,502 reviews	Search Delta flights
Fiji Airways	PriceFrom $716	Free Cancellation	Rating 8.0 254 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $837	Free Cancellation	Rating 7.5 1,081 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $844	Free Cancellation	Rating 7.1 11,924 reviews	Search American Airlines flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 10,113 reviews	Search United Airlines flights
Air Canada	PriceFrom $959	Free Cancellation	Rating 7.1 11,470 reviews	Search Air Canada flights
ANA	PriceFrom $1,209	Free Cancellation	Rating 8.3 1,297 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,308	Free Cancellation	Rating 8.0 662 reviews	Search Air New Zealand flights
Qatar Airways	PriceFrom $1,391	Free Cancellation	Rating 7.4 3,741 reviews	Search Qatar Airways flights

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Cronulla

Randwick

Manly

Lithgow

Coogee

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Charlestown

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Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Chicago to Sydney for 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 for Chicago to Sydney flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Chicago to Sydney right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Chicago to Sydney flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

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Cheap flights from Chicago to Sydney from $597

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Chicago to Sydney departing on 9/5. 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 New Zealand flights from Chicago to Sydney

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

Air Canada flights from Chicago to Sydney

Our best Air Canada deals on Chicago to Sydney flight tickets

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How to get the cheapest flight ticket from Chicago to Sydney

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

What is the cheapest month to fly to Sydney?

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

Can stopping save me money on Chicago to Sydney flights?

How have Chicago to Sydney flight prices changed over time?

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

What airlines fly to Sydney?

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

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

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

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

When to book flights from Chicago to Sydney

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

Fastest flight time

Direct flights

Frequently asked questions about flying from Chicago to Sydney

Best airlines flying from Chicago to Sydney

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

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.

Find better results for your trip to Australia

Airports servicing New South Wales

Fly your favorite airline to Sydney

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Sydney

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

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Popular flights according to clicks in the last 7 days on momondo

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