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 offers the lowest fares from Chicago to Sydney?

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

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 44% 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.

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.

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

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

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 July 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.

$599 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

Last minute

Cheap round-trip flights

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8:56 pm - 6:25 am

ORD

SYD

40h 29m

1 stop

3:40 pm - 6:00 pm

SYD

ORD

43h 20m

2 stops

$1,216Qantas Airways

Sat, Nov 7 - Fri, Nov 13

5:57 pm - 6:55 am

ORD

SYD

43h 58m

1 stop

11:20 am - 6:01 pm

SYD

ORD

23h 41m

1 stop

$1,216Qantas Airways

Sat, Nov 7 - Fri, Nov 13

1:24 pm - 6:25 am

ORD

SYD

24h 01m

1 stop

11:20 am - 6:38 pm

SYD

ORD

24h 18m

1 stop

$1,217American Airlines

Wed, Nov 18 - Thu, Dec 3

6:20 pm - 9:20 am

ORD

SYD

22h 00m

1 stop

11:50 am - 2:49 pm

SYD

ORD

19h 59m

1 stop

$1,220United Airlines

Wed, Nov 11 - Sat, Nov 21

5:15 pm - 7:00 am

ORD

SYD

21h 45m

1 stop

9:15 am - 12:45 pm

SYD

ORD

20h 30m

1 stop

$1,220United Airlines

Thu, Oct 29 - Sun, Nov 15

6:28 pm - 8:30 am

ORD

SYD

21h 02m

1 stop

10:40 am - 1:32 pm

SYD

ORD

19h 52m

1 stop

$1,220Delta

Thu, Nov 12 - Wed, Nov 25

2:45 pm - 7:30 am

ORD

SYD

24h 45m

1 stop

10:40 am - 1:32 pm

SYD

ORD

19h 52m

1 stop

$1,220Delta

Fri, Oct 30 - Tue, Nov 17

1:24 pm - 6:25 am

ORD

SYD

24h 01m

1 stop

11:15 am - 4:05 pm

SYD

ORD

21h 50m

2 stops

$1,221American Airlines

Fri, Nov 13 - Mon, Nov 23

9:13 pm - 7:30 am

ORD

SYD

43h 17m

1 stop

1:15 pm - 6:17 am

SYD

ORD

32h 02m

2 stops

$1,221Multiple Airlines

Tue, Aug 11 - Tue, Aug 25

2:00 pm - 6:10 am

ORD

SYD

49h 10m

1 stop

7:40 am - 2:20 pm

SYD

ORD

45h 40m

1 stop

$1,229Multiple Airlines

Thu, Aug 27 - Wed, Sep 9

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ANA flights from Chicago to Sydney

Our best ANA deals on Chicago to Sydney flight tickets

ANA

Nov 2

ORD4:25 pmChicago O'Hare Intl

34h 50m

1 stop

SYD8:15 pmSydney Kingsford Smith

Nov 16

SYD12:25 pmSydney Kingsford Smith

35h 55m

1 stop

ORD7:20 amChicago O'Hare Intl

$1,251

ANA

Sep 21

ORD5:45 pmChicago O'Hare Intl

34h 25m

1 stop

SYD7:10 pmSydney Kingsford Smith

Oct 7

SYD12:45 pmSydney Kingsford Smith

35h 55m

1 stop

ORD8:40 amChicago O'Hare Intl

$1,252

ANA

Sep 21

ORD5:45 pmChicago O'Hare Intl

24h 40m

1 stop

SYD9:25 amSydney Kingsford Smith

Oct 7

SYD12:45 pmSydney Kingsford Smith

35h 55m

1 stop

ORD8:40 amChicago O'Hare Intl

$1,253

Delta flights from Chicago to Sydney

Our best Delta deals on Chicago to Sydney flight tickets

Delta

Oct 29

ORD2:45 pmChicago O'Hare Intl

24h 45m

1 stop

SYD7:30 amSydney Kingsford Smith

Nov 16

SYD10:40 amSydney Kingsford Smith

19h 52m

1 stop

ORD1:32 pmChicago O'Hare Intl

$1,220

Delta

Nov 13

ORD9:59 amChicago O'Hare Intl

29h 31m

2 stops

SYD8:30 amSydney Kingsford Smith

Nov 23

SYD10:40 amSydney Kingsford Smith

23h 42m

1 stop

ORD5:22 pmChicago O'Hare Intl

$1,225

Delta

Nov 14

ORD4:30 pmChicago O'Hare Intl

47h 00m

2 stops

SYD8:30 amSydney Kingsford Smith

Nov 27

SYD10:40 amSydney Kingsford Smith

26h 45m

2 stops

ORD8:25 pmChicago O'Hare Intl

$1,240

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 11/7

8:56 pm-6:25 am

1 stop40h 29m

Sydney Kingsford Smith

Fri 11/13

3:40 pm-6:00 pm

2 stops43h 20m

$1,216

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 11/7

5:57 pm-6:55 am

1 stop43h 58m

Sydney Kingsford Smith

Fri 11/13

11:20 am-6:01 pm

1 stop23h 41m

$1,216

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 11/18

1:24 pm-6:25 am

1 stop24h 01m

Sydney Kingsford Smith

Thu 12/3

11:20 am-6:38 pm

1 stop24h 18m

$1,217

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 11/11

6:20 pm-9:20 am

1 stop22h 00m

Sydney Kingsford Smith

Sat 11/21

11:50 am-2:49 pm

1 stop19h 59m

$1,220

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 10/29

5:15 pm-7:00 am

1 stop21h 45m

Sydney Kingsford Smith

Sun 11/15

9:15 am-12:45 pm

1 stop20h 30m

$1,220

Quickest round-trip

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 11/12

6:28 pm-8:30 am

1 stop21h 02m

Sydney Kingsford Smith

Wed 11/25

10:40 am-1:32 pm

1 stop19h 52m

$1,220

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Fri 10/30

2:45 pm-7:30 am

1 stop24h 45m

Sydney Kingsford Smith

Tue 11/17

10:40 am-1:32 pm

1 stop19h 52m

$1,220

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Fri 11/13

1:24 pm-6:25 am

1 stop24h 01m

Sydney Kingsford Smith

Mon 11/23

11:15 am-4:05 pm

2 stops21h 50m

$1,221

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 8/11

9:13 pm-7:30 am

1 stop43h 17m

Sydney Kingsford Smith

Tue 8/25

1:15 pm-6:17 am

2 stops32h 02m

$1,221

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Thu 8/27

2:00 pm-6:10 am

1 stop49h 10m

Sydney Kingsford Smith

Wed 9/9

7:40 am-2:20 pm

1 stop45h 40m

$1,229

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 $1,248 to $1,645.
The lowest price recently found on this route was $1,218.

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 $1,432 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 $1,165 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 July 2026, prices for Chicago to Sydney flights are approximately 24% cheaper 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 40m
Direct flights	None

The fastest flight from Chicago to Sydney takes 24h 40m

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 40m.
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 July 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 40% of the total bookings. Other popular airlines include United Airlines with 18%, Air Canada with 16%, 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 8,498 reviews	Search Delta flights
Fiji Airways	PriceFrom $716	Free Cancellation	Rating 8.0 249 reviews	Search Fiji Airways flights
Qantas Airways	PriceFrom $837	Free Cancellation	Rating 7.5 1,073 reviews	Search Qantas Airways flights
American Airlines	PriceFrom $844	Free Cancellation	Rating 7.1 11,849 reviews	Search American Airlines flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 10,063 reviews	Search United Airlines flights
Air Canada	PriceFrom $898	Free Cancellation	Rating 7.1 11,415 reviews	Search Air Canada flights
ANA	PriceFrom $1,209	Free Cancellation	Rating 8.3 1,288 reviews	Search ANA flights
Air New Zealand	PriceFrom $1,308	Free Cancellation	Rating 8.0 657 reviews	Search Air New Zealand flights

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Wollongong

Penrith

Katoomba

Leura

Cronulla

Randwick

Manly

Lithgow

Coogee

Terrigal

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.

An easier way to manage your Sydney trip

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Cheap flights from Chicago to Sydney from $599

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 11/2. 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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ANA flights from Chicago to Sydney

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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.

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

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