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$482+ 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 5/21. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — CHI
May 6 — May 131
Tue 5/6
Tue 5/13
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 May 1, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$997
(Trip.com)

One-way from

$532
(Kiwi.com)

Popular in

December

Cheapest in

March

Average price

$996
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. 16% potential increase in price ($208 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($45 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Trip.com deal was found by Cheapflights users on 4/29. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 6/51:15 pmSYD - ORD
2 stops24h 40mMultiple Airlines
Mon 6/236:10 amORD - SYD
2 stops38h 35mMultiple Airlines
Deal found 4/29$997
This Aunt Betty deal was found by Cheapflights users on 4/29. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 5/2011:55 pmBNE - ORD
1 stop29h 30mCathay Pacific
Tue 7/224:00 pmORD - BNE
1 stop28h 05mCathay Pacific
Deal found 4/29$1,055
This Booking.com deal was found by Cheapflights users on 4/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:45 amBNE - ORD
2 stops21h 51mAir Canada
Fri 11/1411:45 amORD - BNE
2 stops28h 55mAir Canada
Deal found 4/28$1,075
This FlightHub deal was found by Cheapflights users on 4/29. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/1111:50 amSYD - ORD
1 stop35h 50mANA
Mon 9/158:20 pmORD - SYD
2 stops31h 55mANA
Deal found 4/29$1,093
This Cathay Pacific deal was found by Cheapflights users on 4/30. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/176:05 pmBNE - ORD
2 stops35h 20mMultiple Airlines
Sat 6/284:00 pmORD - BNE
2 stops41h 10mMultiple Airlines
Deal found 4/30$1,141
This United Airlines deal was found by Cheapflights users on 4/30. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/189:30 amMEL - ORD
2 stops25h 41mUnited Airlines
Wed 6/254:20 pmORD - MEL
2 stops24h 10mUnited Airlines
Deal found 4/30$1,170
This Flighttix deal was found by Cheapflights users on 4/30. 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 Flighttix is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/29:45 amMEL - ORD
2 stops26h 23mBritish Airways
Sun 6/154:56 pmORD - MEL
1 stop21h 04mBritish Airways
Deal found 4/30$1,186
This American Airlines deal was found by Cheapflights users on 4/29. 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.
Tue 6/249:10 amSYD - ORD
2 stops24h 25mAmerican Airlines
Tue 7/294:39 pmORD - SYD
2 stops23h 26mAmerican Airlines
Deal found 4/29$1,195
This American Airlines deal was found by Cheapflights users on 5/1. 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.
Sun 6/159:45 amMEL - ORD
1 stop20h 59mAmerican Airlines
Sat 7/1210:00 amORD - MEL
1 stop29h 45mAmerican Airlines
Deal found 5/1$1,202
This BYOjet deal was found by Cheapflights users on 4/29. 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.
Wed 10/17:45 amSYD - ORD
2 stops29h 56mAir New Zealand
Fri 10/102:20 pmORD - SYD
2 stops26h 25mAir New Zealand
Deal found 4/29$1,214
This Trip.com deal was found by Cheapflights users on 4/30. 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 5/2812:55 pmMEL - ORD
2 stops25h 10mMultiple Airlines
Sat 6/216:10 amORD - MEL
2 stops39h 05mMultiple Airlines
Deal found 4/30$1,244
This Aunt Betty deal was found by Cheapflights users on 4/28. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 6/48:55 amSYD - ORD
1 stop39h 20mJapan Airlines
Sun 6/229:12 amORD - SYD
2 stops30h 08mJapan Airlines
Deal found 4/28$1,252

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 May 1, 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

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 6/5

1:15 pm-10:55 pm

2 stops24h 40m

Chicago O'Hare Intl

Mon 6/23

6:10 am-11:45 am

2 stops38h 35m

$997

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 5/20

11:55 pm-2:25 pm

1 stop29h 30m

Chicago O'Hare Intl

Tue 7/22

4:00 pm-11:05 am

1 stop28h 05m

$1,055

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 9/11

11:50 am-8:40 am

1 stop35h 50m

Chicago O'Hare Intl

Mon 9/15

8:20 pm-7:15 pm

2 stops31h 55m

$1,093

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 6/17

6:05 pm-2:25 pm

2 stops35h 20m

Chicago O'Hare Intl

Sat 6/28

4:00 pm-12:10 am

2 stops41h 10m

$1,141

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 6/18

9:30 am-8:11 pm

2 stops25h 41m

Chicago O'Hare Intl

Wed 6/25

4:20 pm-7:30 am

2 stops24h 10m

$1,170

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 6/2

9:45 am-9:08 pm

2 stops26h 23m

Chicago O'Hare Intl

Sun 6/15

4:56 pm-5:00 am

1 stop21h 04m

$1,186

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 6/24

9:10 am-6:35 pm

2 stops24h 25m

Chicago O'Hare Intl

Tue 7/29

4:39 pm-7:05 am

2 stops23h 26m

$1,195

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sun 6/15

9:45 am-3:44 pm

1 stop20h 59m

Chicago O'Hare Intl

Sat 7/12

10:00 am-6:45 am

1 stop29h 45m

$1,202

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 10/1

7:45 am-10:41 pm

2 stops29h 56m

Chicago O'Hare Intl

Fri 10/10

2:20 pm-8:45 am

2 stops26h 25m

$1,214

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 5/28

12:55 pm-11:05 pm

2 stops25h 10m

Chicago O'Hare Intl

Sat 6/21

6:10 am-12:15 pm

2 stops39h 05m

$1,244

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

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, August is the cheapest month in which you can book a flight from Australia to Chicago (average of $245). Flying from Australia to Chicago in March is currently the most expensive (average of $321). 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 May 1, 2025.

When flying from Australia to Chicago, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Chicago by month

Plan your trip to Chicago by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago ranges from 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago when rainfall is around 1.7 in.

Temperature in Chicago by month

Plan your trip to Chicago by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 1, 2025.
Read reviews from past customers who have flown Air Tahiti Nui, EVA Air and Japan Airlines from Australia to Chicago. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Comfort

8.1

Entertainment

7.3

Overall

8.8

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.8
Very good
62 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Comfort

8.1

Entertainment

7.3

Overall

8.8

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
EVA Air
8.4
Very good
1,186 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Comfort

8.1

Entertainment

7.3

Overall

8.8

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very good
1,464 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Comfort

8.1

Entertainment

7.3

Overall

8.8

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very good
852 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Comfort

8.1

Entertainment

7.3

Overall

8.8

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Fiji Airways
8.1
Very good
190 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Crew

9.1

Comfort

8.1

Entertainment

7.3

Overall

8.8

Boarding

8.7

Food

7.8

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

  • 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 $648 on Cathay Pacific. Other airlines that offer cheap prices include EVA Air from $664 and American Airlines from $694 one-way.

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

    The most popular route from Australia to Chicago is Melbourne - Chicago O'Hare Intl. You may also consider Sydney Kingsford Smith - 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, August is the cheapest month in which you can book a flight from Australia to Chicago (average of $245). Flying from Australia to Chicago in March is currently the most expensive (average of $321). 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 Australia?

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

Browse thousands of different options on Cheapflights for your next trip

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Top 4 airlines flying from Australia to Chicago

Discover the top 4 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 May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$631Average$894FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$884Average$1,272FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$985Average$1,247FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,080Average$1,475FlexibilityNo cancel feeOn-time69%

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