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 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.

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 48% of people opting to fly with this airline when traveling to Sydney. Keep in mind that there are 8 different airlines that fly to Sydney on a routine basis, so you have a few additional options to choose from.

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

ANA is the most popular carrier operating from Chicago to Sydney Kingsford Smith

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.

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.

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 September 2026, there are 8 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.

$547 Cheap Flights from Chicago to Sydney in 2026

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Chicago to Sydney

Round-trip

One-way

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3:30 pm - 9:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

25h 05m1 stop Vancouver Intl

11:20 am - 2:37 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

20h 17m1 stop Vancouver Intl

$1,198Air Canada

Mon, Nov 16 - Mon, Nov 30

8:49 am - 9:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 46m1 stop Vancouver Intl

11:20 am - 7:59 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 39m1 stop Vancouver Intl

$1,200Air Canada

Wed, Nov 4 - Mon, Nov 16

6:30 am - 8:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 05m3 stops Denver Intl Los Angeles Auckland Intl

11:50 am - 5:13 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

34h 23m3 stops Auckland Intl Los Angeles Las Vegas Harry Reid Intl

$1,205Multiple Airlines

Sat, Oct 31 - Mon, Nov 9

10:26 am - 11:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 24m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi

1:15 pm - 9:20 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

35h 05m3 stops Nadi Los Angeles Atlanta Hartsfield-Jackson

$1,232Multiple Airlines

Mon, Sep 21 - Wed, Sep 30

2:40 pm - 12:50 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

29h 10m2 stops Los Angeles Auckland Intl

2:05 pm - 11:02 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 57m2 stops Auckland Intl Los Angeles

$1,237Air New Zealand

Mon, Feb 8 - Mon, Feb 22

2:30 pm - 10:35 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

27h 05m2 stops San Francisco Auckland Intl

11:50 am - 10:59 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

28h 09m2 stops Auckland Intl Los Angeles

$1,237Air New Zealand

Wed, Nov 4 - Wed, Nov 11

5:35 pm - 8:15 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 40m1 stop Tokyo Haneda

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

33h 55m2 stops Tokyo Haneda Los Angeles

$1,276ANA

Sat, Oct 31 - Mon, Nov 9

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

34h 50m1 stop Tokyo Haneda

9:45 pm - 2:38 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

33h 53m2 stops Tokyo Haneda Washington, D.C. Dulles Intl

$1,276ANA

Sun, Nov 1 - Tue, Nov 17

6:45 pm - 8:50 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

33h 05m2 stops Los Angeles Auckland Intl

7:15 pm - 6:35 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

40h 20m2 stops Auckland Intl Dallas/Fort Worth

$1,466Qantas Airways

Mon, Jan 25 - Thu, Feb 25

5:15 pm - 5:40 pmORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

31h 25m2 stops Los Angeles Auckland Intl

7:15 pm - 4:16 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

38h 01m2 stops Auckland Intl Dallas/Fort Worth

$1,492Qantas Airways

Wed, Jan 27 - Thu, Feb 25

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

20h 23m1 stop Vancouver Intl

$1,244Air Canada

Sun, Sep 13 - Sun, Sep 27

10:26 am - 11:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 24m3 stops Atlanta Hartsfield-Jackson Los Angeles Nadi

6:15 am - 9:20 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

42h 05m3 stops Nadi Los Angeles Atlanta Hartsfield-Jackson

$1,261Multiple Airlines

Mon, Sep 14 - Wed, Sep 23

6:30 am - 11:50 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

38h 20m3 stops Denver Intl Los Angeles Nadi

1:15 pm - 11:51 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

37h 36m3 stops Nadi Los Angeles Atlanta Hartsfield-Jackson

$1,261Multiple Airlines

Mon, Sep 14 - Mon, Sep 21

1:58 pm - 8:45 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

27h 47m2 stops Los Angeles Auckland Intl

11:50 am - 8:35 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 45m2 stops Auckland Intl Los Angeles

$1,286Air New Zealand

Sat, Sep 12 - Tue, Nov 17

7:40 am - 8:45 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

34h 05m2 stops San Francisco Auckland Intl

11:50 am - 8:37 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 47m2 stops Auckland Intl Los Angeles

$1,286Air New Zealand

Sun, Sep 13 - Mon, Nov 16

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

24h 40m1 stop Vancouver Intl

9:20 am - 8:12 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

25h 52m2 stops Vancouver Intl Montreal Pierre Elliott Trudeau Intl

$1,292Air Canada

Sun, Sep 13 - Sun, Sep 27

5:59 pm - 6:55 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 56m1 stop Dallas/Fort Worth

12:00 pm - 6:25 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

21h 25m1 stop Dallas/Fort Worth

$1,597Qantas Airways

Mon, Sep 14 - Wed, Sep 23

7:03 pm - 7:05 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

21h 02m1 stop Los Angeles

12:00 pm - 6:25 pmSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

21h 25m1 stop Dallas/Fort Worth

$1,599Qantas Airways

Mon, Sep 14 - Wed, Sep 23

5:45 pm - 9:25 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 40m1 stop Tokyo Haneda

9:45 pm - 7:20 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

26h 35m1 stop Tokyo Haneda

$1,608ANA

Sun, Sep 13 - Thu, Nov 19

5:45 pm - 9:25 amORD Chicago O'Hare Intl-SYD Sydney Kingsford Smith

24h 40m1 stop Tokyo Haneda

9:45 pm - 7:20 amSYD Sydney Kingsford Smith-ORD Chicago O'Hare Intl

26h 35m1 stop Tokyo Haneda

$1,608ANA

Mon, Sep 14 - Thu, Nov 19

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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

Oct 26

ORD3:47 pmChicago O'Hare Intl

24h 48m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 9

SYD11:50 amSydney Kingsford Smith

28h 09m

2 stops

ORD10:59 pmChicago O'Hare Intl

$1,237

Air New Zealand

Nov 1

ORD1:00 pmChicago O'Hare Intl

26h 35m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 8

SYD9:55 amSydney Kingsford Smith

32h 04m

2 stops

ORD12:59 amChicago O'Hare Intl

$1,238

Air New Zealand

Nov 1

ORD3:00 pmChicago O'Hare Intl

24h 35m

2 stops

SYD8:35 amSydney Kingsford Smith

Nov 17

SYD11:50 amSydney Kingsford Smith

25h 45m

2 stops

ORD8:35 pmChicago O'Hare Intl

$1,242

ANA flights from Chicago to Sydney

Our best ANA deals on Chicago to Sydney flight tickets

ANA

Oct 26

ORD5:35 pmChicago O'Hare Intl

34h 40m

1 stop

SYD8:15 pmSydney Kingsford Smith

Nov 9

SYD12:25 pmSydney Kingsford Smith

35h 55m

1 stop

ORD7:20 amChicago O'Hare Intl

$1,278

ANA

Oct 31

ORD5:35 pmChicago O'Hare Intl

34h 40m

1 stop

SYD8:15 pmSydney Kingsford Smith

Nov 12

SYD12:25 pmSydney Kingsford Smith

35h 55m

1 stop

ORD7:20 amChicago O'Hare Intl

$1,280

ANA

Nov 1

ORD7:00 amChicago O'Hare Intl

44h 15m

2 stops

SYD8:15 pmSydney Kingsford Smith

Nov 12

SYD12:25 pmSydney Kingsford Smith

35h 55m

1 stop

ORD7:20 amChicago O'Hare Intl

$1,282

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 11/16

3:30 pm-9:35 am

1 stop25h 05m

Sydney Kingsford Smith

Mon 11/30

11:20 am-2:37 pm

1 stop20h 17m

$1,198

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Wed 11/4

8:49 am-9:35 am

1 stop31h 46m

Sydney Kingsford Smith

Mon 11/16

11:20 am-7:59 pm

1 stop25h 39m

$1,200

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sat 10/31

6:30 am-8:35 am

3 stops34h 05m

Sydney Kingsford Smith

Mon 11/9

11:50 am-5:13 am

3 stops34h 23m

$1,205

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 9/21

10:26 am-11:50 am

3 stops34h 24m

Sydney Kingsford Smith

Wed 9/30

1:15 pm-9:20 am

3 stops35h 05m

$1,232

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 2/8

2:40 pm-12:50 pm

2 stops29h 10m

Sydney Kingsford Smith

Mon 2/22

2:05 pm-11:02 pm

2 stops25h 57m

$1,237

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Wed 11/4

2:30 pm-10:35 am

2 stops27h 05m

Sydney Kingsford Smith

Wed 11/11

11:50 am-10:59 pm

2 stops28h 09m

$1,237

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Sat 10/31

5:35 pm-8:15 pm

1 stop34h 40m

Sydney Kingsford Smith

Mon 11/9

12:25 pm-5:20 am

2 stops33h 55m

$1,276

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

Tue 11/17

9:45 pm-2:38 pm

2 stops33h 53m

$1,276

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Mon 1/25

6:45 pm-8:50 pm

2 stops33h 05m

Sydney Kingsford Smith

Thu 2/25

7:15 pm-6:35 pm

2 stops40h 20m

$1,466

ChicagoSydney

ORD Chicago O'Hare Intl - SYD Sydney Kingsford Smith

ORDSYD

Chicago O'Hare Intl

Wed 1/27

5:15 pm-5:40 pm

2 stops31h 25m

Sydney Kingsford Smith

Thu 2/25

7:15 pm-4:16 pm

2 stops38h 01m

$1,492

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 typical for flights on this route.

Typical prices usually range from $1,198 to $1,866.
The lowest price recently found on this route was $1,198.

What is the cheapest month to fly to Sydney?

In general, June 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 $1,282. If you are unable to visit Sydney during the month of June, then departing from Chicago during the month February is also very affordable. Most momondo users find prices during this month for around $1,326.

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 $1,434 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 $1,099 on momondo.

Can stopping save me money on Chicago to Sydney flights?

You could potentially save up to 9% 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 September 2026, prices for Chicago to Sydney flights are approximately 74% 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

Best Price Found	$547
Fastest flight time	22h 47m
Direct flights	None

The best one-way flight to Sydney from Chicago in the past 72 hours is $547. The best round-trip flight deal from Chicago to Sydney found on momondo in the last 72 hours is $1,198.

The fastest flight from Chicago to Sydney takes 22h 47m

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 22h 47m.
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 September 2026, there are 8 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 42% of the total bookings. Other popular airlines include United Airlines with 17%, Air Canada with 13%, and American Airlines with 10%.

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 $237	Free Cancellation	Rating 7.8 8,556 reviews	Search Delta flights
Fiji Airways	PriceFrom $716	Free Cancellation	Rating 8.0 259 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $837	Free Cancellation	Rating 7.5 1,092 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $837	Free Cancellation	Rating 7.1 12,047 reviews	Search American Airlines flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 10,197 reviews	Search United Airlines flights
Air Canada	PriceFrom $1,117	Free Cancellation	Rating 7.1 11,611 reviews	Search Air Canada flights
ANA	PriceFrom $1,193	Free Cancellation	Rating 8.3 1,313 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,294	Free Cancellation	Rating 8.0 669 reviews	Search Air New Zealand flights

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Coogee

Cronulla

Leura

Randwick

Manly

Terrigal

Lithgow

Charlestown

Swansea

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 $547

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 10/29. 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

ANA flights from Chicago to Sydney

Our best ANA 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

Best Price Found

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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According to popular flight searches on momondo this year

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