What airlines fly to Sydney?

Qantas Airways, American Airlines 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.

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

Delta is the most popular carrier 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: 70% of momondo users choosing 1-stop flights on this route connected there.

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

Dallas (DFW) has the shortest average layover time for this route: 1h 46m.

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: 21h 03m.

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

Flights via Vancouver (YVR) offer the lowest average round-trip price of $801.

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 January 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.

$502 Cheap Flights from Chicago to Sydney in 2026

Q: 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 $931 to $1,330. The lowest price recently found on this route was $961.

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Find the cheapest flights from Chicago to Sydney

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One-way

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8:50 am - 9:00 am

ORD

SYD

31h 10m

1 stop

5:50 pm - 2:57 pm

SYD

ORD

38h 07m

2 stops

$961Qantas Airways

Tue, Feb 3 - Mon, Feb 9

5:10 pm - 8:50 pm

ORD

SYD

34h 40m

2 stops

11:20 am - 2:53 pm

SYD

ORD

20h 33m

1 stop

$962Qantas Airways

Wed, Feb 11 - Sat, Feb 28

6:40 pm - 9:00 am

ORD

SYD

21h 20m

1 stop

7:05 am - 4:37 pm

SYD

ORD

26h 32m

2 stops

$968Qantas Airways

Tue, Feb 10 - Tue, Mar 3

4:45 pm - 8:50 pm

ORD

SYD

35h 05m

2 stops

11:20 am - 2:53 pm

SYD

ORD

20h 33m

1 stop

$973Qantas Airways

Mon, Feb 16 - Sun, Feb 22

3:10 pm - 8:50 pm

ORD

SYD

36h 40m

2 stops

11:20 am - 4:36 pm

SYD

ORD

21h 16m

1 stop

$990Qantas Airways

Sun, Feb 8 - Tue, Mar 10

6:40 pm - 9:00 am

ORD

SYD

23h 20m

1 stop

7:15 pm - 2:57 pm

SYD

ORD

34h 42m

2 stops

$1,008Qantas Airways

Wed, Apr 8 - Thu, Apr 30

7:31 pm - 7:25 am

ORD

SYD

43h 54m

1 stop

2:00 pm - 4:49 am

SYD

ORD

30h 49m

2 stops

$1,030Multiple Airlines

Tue, Mar 10 - Tue, Mar 17

1:26 pm - 6:50 am

MDW

SYD

24h 24m

2 stops

10:40 am - 5:45 pm

SYD

MDW

24h 05m

2 stops

$1,470Delta

Tue, Feb 10 - Tue, Feb 17

1:26 pm - 8:30 am

MDW

SYD

26h 04m

2 stops

1:15 pm - 10:31 pm

SYD

MDW

25h 16m

2 stops

$1,471Delta

Sun, Feb 8 - Tue, Mar 10

9:53 am - 8:30 am

MDW

SYD

29h 37m

2 stops

10:40 am - 10:31 pm

SYD

MDW

28h 51m

2 stops

$1,520Delta

Wed, Feb 11 - Fri, Feb 27

ANA flights from Chicago to Sydney

Our best ANA deals on Chicago to Sydney flight tickets

ANA

Jun 13

ORD11:50 amChicago O'Hare Intl

40h 25m

1 stop

SYD7:15 pmSydney Kingsford Smith

Jul 9

SYD8:55 pmSydney Kingsford Smith

26h 45m

1 stop

ORD8:40 amChicago O'Hare Intl

$1,183

ANA

Jun 3

ORD5:45 pmChicago O'Hare Intl

34h 30m

1 stop

SYD7:15 pmSydney Kingsford Smith

Jun 16

SYD11:50 amSydney Kingsford Smith

32h 15m

2 stops

ORD5:05 amChicago O'Hare Intl

$1,184

Qantas Airways flights from Chicago to Sydney

Our best Qantas Airways deals on Chicago to Sydney flight tickets

Qantas Airways

Feb 3

ORD8:50 amChicago O'Hare Intl

31h 10m

1 stop

SYD9:00 amSydney Kingsford Smith

Feb 9

SYD5:50 pmSydney Kingsford Smith

38h 07m

2 stops

ORD2:57 pmChicago O'Hare Intl

$961

Qantas Airways

Feb 11

ORD1:15 pmChicago O'Hare Intl

38h 35m

2 stops

SYD8:50 pmSydney Kingsford Smith

Feb 26

SYD11:20 amSydney Kingsford Smith

20h 33m

1 stop

ORD2:53 pmChicago O'Hare Intl

$962

Qantas Airways

Feb 10

ORD6:40 pmChicago O'Hare Intl

21h 20m

1 stop

SYD9:00 amSydney Kingsford Smith

Mar 3

SYD7:05 amSydney Kingsford Smith

26h 32m

2 stops

ORD4:37 pmChicago O'Hare Intl

$968

Fly from

Fly to

Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 2/3

8:50 am-9:00 am

1 stop31h 10m

Sydney Kingsford Smith

Mon 2/9

5:50 pm-2:57 pm

2 stops38h 07m

$961

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 2/11

5:10 pm-8:50 pm

2 stops34h 40m

Sydney Kingsford Smith

Sat 2/28

11:20 am-2:53 pm

1 stop20h 33m

$962

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 2/10

6:40 pm-9:00 am

1 stop21h 20m

Sydney Kingsford Smith

Tue 3/3

7:05 am-4:37 pm

2 stops26h 32m

$968

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Mon 2/16

4:45 pm-8:50 pm

2 stops35h 05m

Sydney Kingsford Smith

Sun 2/22

11:20 am-2:53 pm

1 stop20h 33m

$973

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 2/8

3:10 pm-8:50 pm

2 stops36h 40m

Sydney Kingsford Smith

Tue 3/10

11:20 am-4:36 pm

1 stop21h 16m

$990

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Wed 4/8

6:40 pm-9:00 am

1 stop23h 20m

Sydney Kingsford Smith

Thu 4/30

7:15 pm-2:57 pm

2 stops34h 42m

$1,008

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 3/10

7:31 pm-7:25 am

1 stop43h 54m

Sydney Kingsford Smith

Tue 3/17

2:00 pm-4:49 am

2 stops30h 49m

$1,030

ChicagoSydney

MDW - SYD

MDWSYD

Chicago Midway

Tue 2/10

1:26 pm-6:50 am

2 stops24h 24m

Sydney Kingsford Smith

Tue 2/17

10:40 am-5:45 pm

2 stops24h 05m

$1,470

ChicagoSydney

MDW - SYD

MDWSYD

Chicago Midway

Sun 2/8

1:26 pm-8:30 am

2 stops26h 04m

Sydney Kingsford Smith

Tue 3/10

1:15 pm-10:31 pm

2 stops25h 16m

$1,471

ChicagoSydney

MDW - SYD

MDWSYD

Chicago Midway

Wed 2/11

9:53 am-8:30 am

2 stops29h 37m

Sydney Kingsford Smith

Fri 2/27

10:40 am-10:31 pm

2 stops28h 51m

$1,520

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?

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 $864. If you are unable to visit Sydney during the month of June, then departing from Chicago during the month May is also very affordable. Most momondo users find prices during this month for around $868.

How far in advance should I book a flight 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 $1,098 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 $911 on momondo.

Can stopping save me money on Chicago to Sydney flights?

You could potentially save up to 8% 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 January 2026, prices for Chicago to Sydney flights are approximately 8% 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	21h 20m
Direct flights	None

The fastest flight from Chicago to Sydney takes 21h 20m

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

Search flight deals

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 21h 20m.
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 January 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 39% of the total bookings. Other popular airlines include American Airlines with 28%, United Airlines with 14%, and Air Canada with 9%.

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
ANA	PriceFrom $703	Free Cancellation	Rating 8.4 1,078 reviews	Search ANA flights
American Airlines	PriceFrom $803	Free Cancellation	Rating 7.2 11,193 reviews	Search American Airlines flights
Qantas Airways	PriceFrom $806	Free Cancellation	Rating 7.5 974 reviews	Search Qantas Airways flights
Fiji Airways	PriceFrom $849	Free Cancellation	Rating 8.0 221 reviews	Search Fiji Airways flights
Air Canada	PriceFrom $851	Free Cancellation	Rating 7.1 10,652 reviews	Search Air Canada flights
United Airlines	PriceFrom $870	Free Cancellation	Rating 7.4 9,193 reviews	Search United Airlines flights
Delta	PriceFrom $935	Free Cancellation	Rating 7.9 8,111 reviews	Search Delta flights
Air New Zealand	PriceFrom $1,282	Free Cancellation	Rating 8.0 574 reviews	Search Air New Zealand flights

Parramatta

Bondi Beach

Katoomba

Wollongong

Randwick

Coogee

Manly

Lithgow

Leura

Penrith

Cronulla

Charlestown

Terrigal

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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Flights to Melbournefrom $687

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Flights to Darwinfrom $1,075

Flights to Canberrafrom $719

Flights to Launcestonfrom $1,166

Flights to Maroochydorefrom $1,090

Flights to Proserpinefrom $1,344

Cheap flights from Chicago to Sydney from $512

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 2/17. 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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Our best Qantas Airways deals on Chicago to Sydney flight tickets

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See travel insights to Sydney from

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 to Sydney?

Can stopping save me money on Chicago to Sydney flights?

You could potentially save up to 8% 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 January 2026, prices for Chicago to Sydney flights are approximately 8% cheaper when compared to flights at the same time last year.

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

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

What airlines fly to Sydney?

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

Los Angeles (LAX) was the most common stop: 70% of momondo users choosing 1-stop flights on this route connected there.

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

Flights via Vancouver (YVR) offer the lowest average round-trip price of $801.

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: 21h 03m.

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

Dallas (DFW) has the shortest average layover time for this route: 1h 46m.

When to book flights from Chicago to Sydney

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

Direct flights

How far is Chicago to Sydney Kingsford Smith by plane?

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

How many operators does momondo search 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?

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

What is the most popular airline 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?

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

Can I find flights from Chicago to Sydney with flexible booking policies on momondo?

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

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

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