Chicago

$631+ Cheap flights from Sydney (SYD) to Chicago (CHI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/24. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — CHI
Jun 12 — Jun 191
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Cheap flight deals from Sydney to Chicago

Cheapest flights from Sydney to Chicago
Explore the most affordable flight options available from Sydney to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on May 13, 2026.

This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:10 am
SYD
-
ORD
2 stops25h 42m
American Airlines
Mon 9/217:01 pm
ORD
-
SYD
1 stop21h 04m
American Airlines
Deal found 5/11$1,033
This Delta deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:15 am
SYD
-
ORD
2 stops24h 24m
Delta
Mon 9/213:50 pm
ORD
-
SYD
2 stops24h 00m
Delta
Deal found 5/11$1,052
This American Airlines deal was found by Cheapflights users on 5/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/3111:15 am
SYD
-
ORD
1 stop34h 46m
American Airlines
Wed 11/48:35 am
ORD
-
SYD
1 stop28h 35m
American Airlines
Deal found 5/12$1,073
This American Airlines deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:10 am
SYD
-
ORD
1 stop22h 35m
American Airlines
Thu 9/247:01 pm
ORD
-
SYD
1 stop21h 04m
American Airlines
Deal found 5/9$1,082
This American Airlines deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:10 am
SYD
-
ORD
1 stop22h 40m
American Airlines
Sat 10/313:14 pm
ORD
-
SYD
1 stop24h 46m
American Airlines
Deal found 5/8$1,083
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 9/119:10 am
SYD
-
ORD
1 stop21h 40m
American Airlines
Sun 9/207:01 pm
ORD
-
SYD
1 stop21h 04m
American Airlines
Deal found 5/11$1,084
This American Airlines deal was found by Cheapflights users on 5/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:10 am
SYD
-
ORD
1 stop27h 12m
American Airlines
Fri 10/98:25 pm
ORD
-
SYD
1 stop43h 05m
American Airlines
Deal found 5/13$1,088
This Ovago deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:10 am
SYD
-
ORD
1 stop22h 35m
Qantas Airways
Thu 9/243:52 pm
ORD
-
SYD
1 stop24h 13m
Qantas Airways
Deal found 5/9$1,091
This American Airlines deal was found by Cheapflights users on 5/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/1212:00 pm
SYD
-
ORD
1 stop21h 24m
American Airlines
Mon 9/217:01 pm
ORD
-
SYD
1 stop21h 04m
American Airlines
Deal found 5/11$1,092
This KAYAK deal was found by Cheapflights users on 5/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:15 am
SYD
-
ORD
1 stop29h 44m
Qantas Airways
Sun 11/2911:45 am
ORD
-
SYD
1 stop25h 40m
Qantas Airways
Deal found 5/10$1,098
This Delta deal was found by Cheapflights users on 5/9. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/109:15 am
SYD
-
MDW
2 stops24h 16m
Delta
Thu 9/241:05 pm
MDW
-
SYD
2 stops26h 45m
Delta
Deal found 5/9$1,101
This Delta deal was found by Cheapflights users on 5/8. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1910:15 am
SYD
-
MDW
2 stops24h 22m
Delta
Sat 10/311:00 pm
MDW
-
SYD
2 stops26h 30m
Delta
Deal found 5/8$1,102

Find flight deals from Sydney to Chicago

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Chicago (CHI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated May 13, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,033
(American Airlines)

One-way from

$631
(Trip.com)

Popular in

December

Cheapest in

August

Average price

$1,166
Provider with most accurate pricing for Sydney Kingsford Smith-Chicago (CHI) flight deals.
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Chicago (CHI) flights.
From Sydney Kingsford Smith to Chicago (CHI)
One-way flight from Sydney Kingsford Smith to Chicago (CHI)
Highest demand for flights based on searches. 2% potential increase in price ($35 potential increase over avg. RT price).
Cheapest flight prices on average. 1% potential price decrease ($14 potential savings vs. average RT price).
Average for round-trip flights in May 2026

Cheapflights Fare Finder

 
Customize your flight search to find flights from Sydney to Chicago 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, Cheapflights users made 2,558,603 searches. Data last updated May 13, 2026.
Use the filters below to find and compare flights from Sydney to Chicago that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 6/4

8:45 pm-6:50 pm

2 stops37h 05m

Chicago O'Hare Intl

Wed 8/12

8:20 pm-6:50 pm

2 stops31h 30m

$1,591

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 6/5

8:45 pm-6:50 pm

2 stops37h 05m

Chicago O'Hare Intl

Wed 8/12

8:20 pm-6:50 pm

2 stops31h 30m

$1,618

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sun 5/31

8:45 pm-11:55 pm

2 stops42h 10m

Chicago O'Hare Intl

Wed 6/10

7:20 am-6:50 pm

2 stops44h 30m

$1,640
Quickest round-trip

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 6/2

6:00 am-3:52 pm

2 stops24h 52m

Chicago O'Hare Intl

Tue 6/23

6:59 pm-7:05 am

1 stop21h 06m

$1,649

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 5/30

8:45 pm-1:14 pm

2 stops31h 29m

Chicago O'Hare Intl

Fri 6/12

5:42 pm-6:50 pm

2 stops34h 08m

$1,662

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 6/2

8:45 pm-6:20 am

3 stops24h 35m

Chicago O'Hare Intl

Wed 6/10

8:05 pm-6:50 pm

2 stops31h 45m

$1,673

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 6/9

8:45 pm-12:03 pm

3 stops30h 18m

Chicago O'Hare Intl

Thu 6/11

6:42 pm-6:50 pm

2 stops33h 08m

$1,688

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 5/26

8:45 pm-6:20 am

3 stops24h 35m

Chicago O'Hare Intl

Fri 5/29

7:49 pm-6:50 pm

2 stops32h 01m

$1,694

SydneyChicago

SYD - MDW

SYDMDW

Sydney Kingsford Smith

Thu 6/4

9:15 am-5:56 pm

2 stops23h 41m

Chicago Midway

Wed 8/12

1:52 pm-6:50 am

2 stops25h 58m

$1,714

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 6/11

8:45 pm-5:00 am

2 stops23h 15m

Chicago O'Hare Intl

Thu 7/23

5:42 pm-6:50 pm

2 stops34h 08m

$1,714

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/12

Showing 1-10 of 36 resultsSorted by cheapest first
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Compare providers for flights from Sydney to Chicago

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to Chicago in May.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
PricelinePrice Accuracy1 starTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Sydney-Chicago flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Chicago flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Chicago flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Sydney-Chicago flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-Chicago flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Sydney to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Sydney with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Sydney to Chicago

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

The best time to book flights from Sydney to Chicago is 36 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Sydney to Chicago?

Currently, December is the cheapest month in which you can book a flight from Sydney to Chicago (average of $468). Flying from Sydney to Chicago in February is currently the most expensive (average of $865). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost to fly round-trip from Sydney to Chicago?

Reviews of airlines servicing Chicago

Get insights into the airlines that provide service to Chicago. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Chicago. Reviews last updated May 13, 2026.
Read through reviews of airlines operating flights from Sydney to Chicago, such as Qantas Airways and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.1

Entertainment

7.2

Boarding

7.7

Food

7.0

Comfort

7.4

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!

Crew

8.1

Entertainment

7.2

Boarding

7.7

Food

7.0

Comfort

7.4

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!

Crew

8.1

Entertainment

7.2

Boarding

7.7

Food

7.0

Comfort

7.4

Overall

7.5

Reviews

1 / 20
10.0
Excellent

Tania,May 2026

SYD - DFW

The trip was great and the flight attendants were lovely. It was my honeymoon and ai thought I lost my gold brecelet. They searched until they found it and gave us a bottle of champaign to celebrate our honeymoon. They were lovely!

Related info for your journey

Find useful and relevant information for your journey from Sydney to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from Sydney to Chicago?

    Sydney Kingsford Smith (SYD) is the airport you will fly out of if you book a flight from Sydney to Chicago. You should not have trouble finding flights to Chicago from Kingsford Smith; the airport handles an average of 0 outbound flights to Chicago per day. You should also have plenty of airline options to choose from since 2 airlines have flights from the Sydney airport to Chicago. It is only a 4.6 mi journey to Kingsford Smith (SYD) from Sydney’s city center.

  • How long is the flight from Sydney to Chicago?

    For as low as $1,714, Qantas Airways can have you in Chicago from Sydney in 23h 41m. The distance from Sydney to Chicago is about 9234 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines flying from Sydney to Chicago round-trip?

    According to our current data, United Airlines ($795), and Qantas Airways ($970) offers the cheapest pricing from Sydney to Chicago. You may be able to fly from Sydney to Chicago for 32% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Sydney to Chicago one-way?

    The cheapest airlines for a one-way flight from Sydney to Chicago are Air Canada ($732), American Airlines ($772), and Qantas Airways ($796).

  • Can I find deals for flights from Sydney to Chicago that include hotel bookings?

    Yes. In addition to deals on Sydney to Chicago flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Chicago?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Chicago.

  • Can I find deals for business class flights from Sydney to Chicago?

    Yes. Cheapflights offers flight deals from Sydney to Chicago by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Sydney to Chicago?

    Currently, December is the cheapest month in which you can book a flight from Sydney to Chicago (average of $468). Flying from Sydney to Chicago in February is currently the most expensive (average of $865). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Chicago?

Book flights to Chicago if you plan to visit one of these locations
Benton Harbor
Lansing
Merrillville
Hammond
Porter

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Sydney to Chicago

See prices for flight routes from nearby airports that may be better suited for you.

Top 2 airlines flying from Sydney to Chicago

Discover the top 2 airlines that operate flights from Sydney to Chicago. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated May 13, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$795Average$1,155FlexibilityNo cancel feeOn-time69%
Qantas AirwaysCheapest$970Average$1,265FlexibilityNo cancel feeOn-time74%

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