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$589+ Cheap flights from Australia 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 11/15. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — CHI
Nov 29 — Dec 61
Sat 11/29
Sat 12/6
1 adult, Economy
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Cheap flight deals from Australia to Chicago

Keep the following information in mind while searching for Australia to Chicago flight deals. Data was last updated October 30, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$848
(Air Canada)

One-way from

$589
(BYOjet)

Popular in

December

Cheapest in

March

Average price

$1,123
Provider with most accurate pricing for Sydney Kingsford Smith-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Chicago (CHI) flights.
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From Australia to Chicago (CHI)
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One-way flight from Australia to Chicago (CHI)
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Highest demand for flights based on searches. 21% potential increase in price ($280 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($46 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Australia to Chicago

Cheapest flights from Australia to Chicago
Explore the most affordable flight options available from Australia to Chicago. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 30, 2025.

This BestPriceTravel deal was found by Cheapflights users on 10/27. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1111:10 amBNE - ORD
2 stops24h 20mAir New Zealand
Fri 11/141:00 pmORD - BNE
2 stops26h 00mAir New Zealand
Deal found 10/27$928
This BestPriceTravel deal was found by Cheapflights users on 10/29. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2112:10 pmMEL - ORD
2 stops28h 00mAir New Zealand
Fri 12/510:45 amORD - MEL
2 stops31h 10mAir New Zealand
Deal found 10/29$928
This BYOjet deal was found by Cheapflights users on 10/29. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/189:55 amSYD - ORD
2 stops26h 35mAir New Zealand
Wed 12/310:38 amORD - SYD
2 stops30h 52mAir New Zealand
Deal found 10/29$938
This BYOjet deal was found by Cheapflights users on 10/30. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1911:45 amSYD - ORD
2 stops24h 45mAir New Zealand
Thu 12/412:45 pmORD - SYD
2 stops28h 45mAir New Zealand
Deal found 10/30$941
This Trip.com deal was found by Cheapflights users on 10/30. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/195:45 pmSYD - ORD
2 stops40h 45mMultiple Airlines
Thu 12/46:50 amORD - SYD
1 stop31h 35mMultiple Airlines
Deal found 10/30$956
This American Airlines deal was found by Cheapflights users on 10/29. 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 11/1711:20 amSYD - ORD
1 stop21h 35mAmerican Airlines
Mon 12/11:49 pmORD - SYD
1 stop26h 11mAmerican Airlines
Deal found 10/29$982
This Expedia deal was found by Cheapflights users on 10/27. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1012:30 amBNE - ORD
1 stop28h 25mCathay Pacific
Fri 11/142:35 pmORD - BNE
1 stop27h 55mCathay Pacific
Deal found 10/27$1,013
This Qantas Airways deal was found by Cheapflights users on 10/30. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/174:05 pmMEL - ORD
1 stop22h 16mQantas Airways
Wed 12/101:15 pmORD - MEL
1 stop22h 45mQantas Airways
Deal found 10/30$1,022
This Jettzy deal was found by Cheapflights users on 10/30. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/1410:40 pmMEL - ORD
2 stops33h 01mMultiple Airlines
Fri 11/281:10 pmORD - MEL
2 stops33h 30mMultiple Airlines
Deal found 10/30$1,032
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/111:20 amSYD - ORD
1 stop24h 34mAmerican Airlines
Sun 11/91:49 pmORD - SYD
1 stop26h 11mAmerican Airlines
Deal found 10/30$1,034
This American Airlines deal was found by Cheapflights users on 10/30. 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 11/174:05 pmMEL - ORD
2 stops22h 25mAmerican Airlines
Wed 12/108:11 amORD - MEL
1 stop27h 49mAmerican Airlines
Deal found 10/30$1,035
This Air Canada deal was found by Cheapflights users on 10/29. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/319:45 amBNE - ORD
2 stops46h 25mAir Canada
Thu 11/63:40 pmORD - BNE
1 stop25h 05mAir Canada
Deal found 10/29$1,036

Cheapflights Fare Finder

 
Customize your flight search to find flights from Australia 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 October 30, 2025.
Use the filters below to find and compare flights from Australia to Chicago that are best for you.

Fly from

Australia

Fly to

Chicago

Route

Depart

Return

Price

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 3/17

5:05 am-7:53 pm

2 stops29h 48m

Chicago O'Hare Intl

Wed 4/1

7:15 am-7:05 am

2 stops32h 50m

$848

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 3/11

9:45 am-2:41 pm

1 stop19h 56m

Chicago O'Hare Intl

Sun 3/15

3:35 pm-7:45 am

2 stops49h 10m

$874

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 11/21

12:10 pm-11:10 pm

2 stops28h 00m

Chicago O'Hare Intl

Fri 12/5

10:45 am-10:55 am

2 stops31h 10m

$928

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 11/19

11:45 am-7:30 pm

2 stops24h 45m

Chicago O'Hare Intl

Thu 12/4

12:45 pm-10:30 am

2 stops28h 45m

$941

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 11/19

5:45 pm-5:30 pm

2 stops40h 45m

Chicago O'Hare Intl

Thu 12/4

6:50 am-7:25 am

1 stop31h 35m

$956

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 3/5

6:10 am-7:53 pm

2 stops30h 13m

Chicago O'Hare Intl

Mon 3/9

3:40 pm-4:20 pm

2 stops33h 10m

$965

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 3/17

7:40 pm-11:59 pm

1 stop19h 19m

Chicago O'Hare Intl

Wed 4/1

3:16 pm-5:00 am

1 stop22h 44m

$980

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sat 1/17

8:00 am-7:30 pm

3 stops28h 30m

Chicago O'Hare Intl

Fri 2/20

3:40 pm-3:35 pm

2 stops30h 55m

$998

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 11/17

4:05 pm-9:21 pm

1 stop22h 16m

Chicago O'Hare Intl

Wed 12/10

1:15 pm-5:00 am

1 stop22h 45m

$1,022

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 1/20

11:45 am-8:25 pm

2 stops25h 40m

Chicago O'Hare Intl

Sun 1/25

3:53 pm-8:45 am

2 stops23h 52m

$1,025

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/29

Showing 1-10 of 60 results
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Best time to book a flight from Australia to Chicago

Have a flexible travel schedule? Discover the best time to fly to Chicago from Australia 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 Australia to Chicago

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

Currently, May is the cheapest month in which you can book a flight from Australia to Chicago (average of $607). Flying from Australia to Chicago in December is currently the most expensive (average of $1,061). 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.

What is the cheapest time of day to fly from AU to CHI?

Find hourly flight availability from Australia to Chicago. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 30, 2025.

It’s optimal to fly from Australia to Chicago in the morning. By choosing this option you can save up to 13% on the cost of your flight, compared to a flight at noon.

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 October 30, 2025.
Get a feel of what it's like to fly with Qantas Airways, United Airlines, and American Airlines from Australia to Chicago by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Qantas Airways
7.5
Good
925 reviews

Comfort

7.5

Entertainment

7.2

Food

7.0

Overall

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
Qantas Airways
7.5
Good
925 reviews
Qantas Airways
7.5
Good
925 reviews

Comfort

7.5

Entertainment

7.2

Food

7.0

Overall

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
United Airlines
7.4
Good
8,998 reviews
Qantas Airways
7.5
Good
925 reviews

Comfort

7.5

Entertainment

7.2

Food

7.0

Overall

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.
American Airlines
7.2
Good
11,030 reviews
Qantas Airways
7.5
Good
925 reviews

Comfort

7.5

Entertainment

7.2

Food

7.0

Overall

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
10.0
Excellent

Carol,Oct 2025

ADL - MEL

Smooth flight, good onboard staff who were very caring when I didn’t feel very well.

Related info for your journey

Find useful and relevant information for your journey from Australia to Chicago. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Australia to Chicago?

    Air Canada, Air New Zealand, and Qantas Airways can get you from Australia to Chicago in just under 19h 19m. Your travel time can differ by up to 10h 29m. Australia and Chicago are separated by a distance of 8897 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    One-way options have recently been found by users for as low as $616 on Air New Zealand. Other airlines that offer cheap prices include Cathay Pacific from $619 and Air Canada from $676 one-way.

  • What are the most popular routes from Australia to Chicago?

    The most popular route from Australia to Chicago is Sydney Kingsford Smith - Chicago O'Hare Intl. You may also consider Melbourne - Chicago O'Hare Intl or Sydney Kingsford Smith - Chicago Midway.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Australia 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 Australia to Chicago?

    Currently, May is the cheapest month in which you can book a flight from Australia to Chicago (average of $607). Flying from Australia to Chicago in December is currently the most expensive (average of $1,061). 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
Merrillville
Lansing
Hammond
Porter
Benton Harbor

Browse thousands of different options on Cheapflights for your next trip

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Top 5 airlines flying from Australia to Chicago

Discover the top 5 airlines that operate flights from Australia 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 October 30, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$631Average$900FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$862Average$985FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$884Average$1,159FlexibilityNo cancel feeOn-time71%
Japan AirlinesCheapest$965Average$973FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$1,080Average$1,415FlexibilityNo cancel feeOn-time69%

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