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Cheap flights from Sydney to Chicago from $610

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Chicago departing on 7/27. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

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Find the cheapest flights from Sydney to Chicago

Cheap round-trip flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
1:15 pm - 6:17 am
SYD
-
ORD
32h 02m
2 stops
Multiple Airlines Logo
7:15 am - 10:10 pm
ORD
-
SYD
47h 55m
3 stops
$982Multiple Airlines
Mon, Jul 13 - Wed, Aug 12
Multiple Airlines Logo
1:15 pm - 5:37 am
SYD
-
ORD
31h 22m
3 stops
Multiple Airlines Logo
7:15 am - 11:50 am
ORD
-
SYD
37h 35m
3 stops
$1,002Multiple Airlines
Mon, Jul 13 - Wed, Aug 12
Delta Logo
9:15 am - 11:45 pm
SYD
-
ORD
29h 30m
1 stop
Delta Logo
2:55 pm - 7:50 am
ORD
-
SYD
24h 55m
1 stop
$1,078Delta
Sun, Sep 13 - Tue, Oct 13
Delta Logo
10:15 am - 9:34 pm
SYD
-
ORD
27h 19m
2 stops
Delta Logo
12:15 pm - 7:30 am
ORD
-
SYD
27h 15m
2 stops
$1,123Delta
Sat, Oct 10 - Sat, Oct 31
Multiple Airlines Logo
9:10 am - 6:17 am
SYD
-
ORD
36h 07m
1 stop
Multiple Airlines Logo
7:15 am - 7:05 am
ORD
-
SYD
32h 50m
2 stops
$1,133Multiple Airlines
Mon, Jul 13 - Wed, Aug 12
Multiple Airlines Logo
9:10 am - 6:17 am
SYD
-
ORD
36h 07m
1 stop
Multiple Airlines Logo
7:15 am - 7:05 am
ORD
-
SYD
32h 50m
2 stops
$1,178Multiple Airlines
Sat, Aug 1 - Sat, Aug 8
Delta Logo
10:40 am - 1:47 pm
SYD
-
ORD
20h 07m
1 stop
Delta Logo
2:55 pm - 8:30 am
ORD
-
SYD
24h 35m
1 stop
$1,183Delta
Thu, Nov 5 - Mon, Nov 16
Air New Zealand Logo
9:55 am - 10:36 pm
SYD
-
ORD
29h 41m
2 stops
Air New Zealand Logo
2:10 pm - 8:45 am
ORD
-
SYD
25h 35m
2 stops
$1,203Air New Zealand
Thu, Nov 19 - Wed, Jan 6
Air New Zealand Logo
9:55 am - 11:05 pm
SYD
-
ORD
28h 10m
2 stops
Air New Zealand Logo
3:48 pm - 10:40 am
ORD
-
SYD
27h 52m
2 stops
$1,206Air New Zealand
Wed, Sep 9 - Mon, Sep 14
Qantas Airways Logo
9:10 am - 2:27 pm
SYD
-
ORD
20h 17m
1 stop
Qantas Airways Logo
3:22 pm - 7:05 am
ORD
-
SYD
24h 43m
1 stop
$1,229Qantas Airways
Mon, Jul 13 - Wed, Aug 12

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Qantas Airways flights from Sydney to Chicago O'Hare Intl Airport

Our best Qantas Airways deals on Sydney to Chicago O'Hare Intl Airport flight tickets
Qantas Airways
Jul 13
SYD9:10 amSydney Kingsford Smith
20h 17m
1 stop
ORD2:27 pmChicago O'Hare Intl
Aug 12
ORD3:22 pmChicago O'Hare Intl
24h 43m
1 stop
SYD7:05 amSydney Kingsford Smith
$1,229
Qantas Airways
Sep 9
SYD9:10 amSydney Kingsford Smith
20h 10m
1 stop
ORD2:20 pmChicago O'Hare Intl
Sep 14
ORD5:53 pmChicago O'Hare Intl
22h 12m
1 stop
SYD7:05 amSydney Kingsford Smith
$1,231
Qantas Airways
Nov 8
SYD11:15 amSydney Kingsford Smith
23h 30m
1 stop
ORD5:45 pmChicago O'Hare Intl
Nov 19
ORD1:49 pmChicago O'Hare Intl
26h 11m
1 stop
SYD9:00 amSydney Kingsford Smith
$1,332

American Airlines flights from Sydney to Chicago O'Hare Intl Airport

Our best American Airlines deals on Sydney to Chicago O'Hare Intl Airport flight tickets
American Airlines
Jul 23
SYD12:00 pmSydney Kingsford Smith
25h 00m
2 stops
ORD10:00 pmChicago O'Hare Intl
Aug 26
ORD9:06 pmChicago O'Hare Intl
42h 59m
1 stop
SYD7:05 amSydney Kingsford Smith
$1,302
American Airlines
Jun 24
SYD9:10 amSydney Kingsford Smith
42h 08m
1 stop
ORD12:18 pmChicago O'Hare Intl
Aug 18
ORD3:20 pmChicago O'Hare Intl
24h 05m
1 stop
SYD6:25 amSydney Kingsford Smith
$1,363
American Airlines
Nov 11
SYD11:15 amSydney Kingsford Smith
36h 28m
1 stop
ORD6:43 amChicago O'Hare Intl
Nov 15
ORD1:32 pmChicago O'Hare Intl
23h 38m
1 stop
SYD6:10 amSydney Kingsford Smith
$1,392

momondo Fare Finder

 
Customize your flight search to find flights from Sydney to Chicago O'Hare Intl Airport that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated June 18, 2026.
Use the filters below to find and compare flights from Sydney to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 7/13

1:15 pm-6:17 am

2 stops32h 02m

Chicago O'Hare Intl

Wed 8/12

7:15 am-10:10 pm

3 stops47h 55m

$982

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 7/13

1:15 pm-5:37 am

3 stops31h 22m

Chicago O'Hare Intl

Wed 8/12

7:15 am-11:50 am

3 stops37h 35m

$1,002

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sun 9/13

9:15 am-11:45 pm

1 stop29h 30m

Chicago O'Hare Intl

Tue 10/13

2:55 pm-7:50 am

1 stop24h 55m

$1,078

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 10/10

10:15 am-9:34 pm

2 stops27h 19m

Chicago O'Hare Intl

Sat 10/31

12:15 pm-7:30 am

2 stops27h 15m

$1,123

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 7/13

9:10 am-6:17 am

1 stop36h 07m

Chicago O'Hare Intl

Wed 8/12

7:15 am-7:05 am

2 stops32h 50m

$1,133

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 8/1

9:10 am-6:17 am

1 stop36h 07m

Chicago O'Hare Intl

Sat 8/8

7:15 am-7:05 am

2 stops32h 50m

$1,178
Quickest round-trip

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 11/5

10:40 am-1:47 pm

1 stop20h 07m

Chicago O'Hare Intl

Mon 11/16

2:55 pm-8:30 am

1 stop24h 35m

$1,183

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 11/19

9:55 am-10:36 pm

2 stops29h 41m

Chicago O'Hare Intl

Wed 1/6

2:10 pm-8:45 am

2 stops25h 35m

$1,203

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 9/9

9:55 am-11:05 pm

2 stops28h 10m

Chicago O'Hare Intl

Mon 9/14

3:48 pm-10:40 am

2 stops27h 52m

$1,206

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 7/13

9:10 am-2:27 pm

1 stop20h 17m

Chicago O'Hare Intl

Wed 8/12

3:22 pm-7:05 am

1 stop24h 43m

$1,229

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Chicago from

How to get the cheapest flight ticket from Sydney to Chicago O'Hare Intl Airport

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

What is the typical price of a round-trip flight between Sydney and Chicago O'Hare Intl Airport?

What is the cheapest month to fly to Chicago O'Hare Intl Airport?

The month of November is another great option to travel to Chicago O'Hare Intl Airport, with average flight prices from Sydney averaging around $1,045.

How far in advance should I book a flight from Sydney to Chicago O'Hare Intl Airport?

You are more likely to see cheaper flights to Chicago O'Hare Intl Airport from Sydney when booking weeks ahead of your departure date. In general, you can expect to find flights to Chicago O'Hare Intl Airport for around $1,333 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Chicago O'Hare Intl Airport from Sydney for as low as $1,099 on momondo.

Can stopping save me money on Sydney to Chicago O'Hare Intl Airport flights?

You could potentially save up to 10% on your flight if you consider stops on a Sydney to Chicago O'Hare Intl Airport flight.

How have Sydney to Chicago O'Hare Intl Airport flight prices changed over time?

As of June 2026, prices for Sydney to Chicago O'Hare Intl Airport flights are approximately 7% cheaper when compared to flights at the same time last year.

When to book flights from Sydney to Chicago O'Hare Intl Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Chicago O'Hare Intl Airport according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Sydney to Chicago O'Hare Intl Airport (SYD to ORD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Sydney to Chicago O'Hare Intl Airport

Fastest flight time

20h 08m

Direct flights

None
The fastest flight from Sydney to Chicago O'Hare Intl Airport takes 20h 08m
There are no direct flights from Sydney to Chicago O'Hare Intl Airport. There are no popular flight routes from Sydney to Chicago O'Hare Intl Airport.
Search flight deals

Frequently asked questions about flying from Sydney to Chicago O'Hare Intl Airport

  • How far is Sydney Kingsford Smith to Chicago O'Hare Intl by plane?

    A flight from Sydney Kingsford Smith to Chicago O'Hare Intl will travel around 9224.8 mi. 20h 08m is a normal flight duration for this route.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Chicago O'Hare Intl Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Chicago O'Hare Intl Airport are refreshed on a daily basis.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Chicago O'Hare Intl Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Chicago O'Hare Intl 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 Sydney Kingsford Smith Airport to Chicago O'Hare Intl Airport.

  • What documentation or ID do you need to fly to Chicago O'Hare Intl Airport?

    The necessary travel and health documents for your Chicago O'Hare Intl 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 license 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.

  • What is the most popular airline from Sydney to Chicago O'Hare Intl Airport?

Best airlines flying from Sydney to Chicago O'Hare Intl Airport

Compare and see reviews for airlines that fly from Sydney to Chicago O'Hare Intl Airport with momondo
Airline
Rating
Free Cancellation
Price
Qantas AirwaysPriceFrom $970Free CancellationRating
7.5
1,047 reviews
Search Qantas Airways flights
United AirlinesPriceFrom $1,113Free CancellationRating
7.4
9,852 reviews
Search United Airlines flights

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Lake Geneva
Schaumburg
South Haven
Rockford
Merrillville
Gurnee
Rosemont
Naperville
Orland Park
Oak Brook
New Buffalo
Joliet
Kenosha
Aurora
Hammond
Racine
Janesville
Evanston
Elgin
South Holland

Why use momondo?

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

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 Sydney to Chicago for you.

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

Yes. momondo enables you to select and highlight flights to Chicago from Sydney with this policy.

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

Once all potential Sydney to Chicago flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

If you are not ready to book a flight from Sydney to Chicago now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Chicago and let you know when they change.

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