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$466+ 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 5/16. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — CHI
abr. 27 — may. 41
dom. 4/27
dom. 5/4
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 abril 22, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$805
(Aunt Betty)

One-way from

$466
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$845
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 ($209 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 April 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 abril 22, 2025.

This Aunt Betty deal was found by Cheapflights users on 4/22. 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.
mar. 6/38:05 pmBNE - ORD
1 stop38h 33mQantas Airways
sáb. 6/289:12 amORD - BNE
1 stop29h 13mQantas Airways
Deal found 4/22$806
This Trip.com deal was found by Cheapflights users on 4/20. 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.
jue. 6/512:25 pmCNS - ORD
2 stops25h 30mMultiple Airlines
jue. 6/126:10 amORD - CNS
2 stops38h 15mMultiple Airlines
Deal found 4/20$852
This Trip.com deal was found by Cheapflights users on 4/21. 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.
jue. 6/51:15 pmSYD - MDW
2 stops39h 14mMultiple Airlines
jue. 6/127:40 amMDW - SYD
2 stops37h 35mMultiple Airlines
Deal found 4/21$918
This Mytrip deal was found by Cheapflights users on 4/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 6/91:45 pmMEL - ORD
2 stops31h 57mMultiple Airlines
mar. 6/1710:46 amORD - MEL
3 stops33h 44mMultiple Airlines
Deal found 4/21$973
This Mytrip deal was found by Cheapflights users on 4/22. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 6/41:15 pmSYD - ORD
3 stops34h 40mMultiple Airlines
jue. 6/511:45 amORD - SYD
3 stops33h 30mMultiple Airlines
Deal found 4/22$1,045
This BYOjet deal was found by Cheapflights users on 4/21. 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.
mar. 6/1711:55 pmBNE - ORD
1 stop29h 30mCathay Pacific
mar. 6/244:00 pmORD - BNE
1 stop28h 05mCathay Pacific
Deal found 4/21$1,054
This Mytrip deal was found by Cheapflights users on 4/21. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jue. 6/511:40 amBNE - ORD
3 stops32h 45mMultiple Airlines
jue. 6/122:31 pmORD - BNE
2 stops29h 04mMultiple Airlines
Deal found 4/21$1,060
This Qantas Airways deal was found by Cheapflights users on 4/22. 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.
mar. 9/25:10 pmSYD - ORD
2 stops37h 46mQantas Airways
vie. 9/193:15 pmORD - SYD
2 stops28h 05mQantas Airways
Deal found 4/22$1,099
This Flightnetwork deal was found by Cheapflights users on 4/22. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/712:25 pmSYD - ORD
2 stops33h 38mANA
dom. 11/94:25 pmORD - SYD
1 stop34h 50mANA
Deal found 4/22$1,122
This Trip.com deal was found by Cheapflights users on 4/20. 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.
jue. 6/512:35 pmADL - ORD
2 stops38h 13mMultiple Airlines
jue. 6/125:30 amORD - ADL
2 stops39h 35mMultiple Airlines
Deal found 4/20$1,137
This Trip.com deal was found by Cheapflights users on 4/21. 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.
jue. 6/511:40 amBNE - MDW
2 stops40h 49mMultiple Airlines
jue. 6/127:40 amMDW - BNE
2 stops35h 55mMultiple Airlines
Deal found 4/21$1,197
This Gotogate deal was found by Cheapflights users on 4/22. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 6/1512:10 amPER - ORD
2 stops28h 50mJapan Airlines
dom. 6/291:30 amORD - PER
2 stops34h 10mJapan Airlines
Deal found 4/22$1,271

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 abril 22, 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

mar. 6/3

8:05 pm-3:55 pm

1 stop34h 50m

Chicago O'Hare Intl

sáb. 6/28

8:36 pm-5:25 am

1 stop41h 49m

$805

CairnsChicago

CNS - ORD

CNSORD

Cairns

jue. 6/5

12:25 pm-10:55 pm

2 stops25h 30m

Chicago O'Hare Intl

jue. 6/12

6:10 am-11:25 am

2 stops38h 15m

$852

SydneyChicago

SYD - MDW

SYDMDW

Sydney Kingsford Smith

jue. 6/5

1:15 pm-1:29 pm

2 stops39h 14m

Chicago Midway

jue. 6/12

7:40 am-12:15 pm

2 stops37h 35m

$918

MelbourneChicago

MEL - ORD

MELORD

Melbourne

lun. 6/9

1:45 pm-6:42 am

2 stops31h 57m

Chicago O'Hare Intl

mar. 6/17

10:46 am-11:30 am

3 stops33h 44m

$973

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

mié. 6/4

1:15 pm-8:55 am

3 stops34h 40m

Chicago O'Hare Intl

jue. 6/5

11:45 am-12:15 pm

3 stops33h 30m

$1,045

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

mié. 10/1

11:55 pm-2:25 pm

1 stop29h 30m

Chicago O'Hare Intl

mié. 10/8

4:00 pm-3:40 pm

2 stops32h 40m

$1,088

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

mar. 9/2

5:10 pm-2:17 pm

2 stops36h 07m

Chicago O'Hare Intl

mar. 9/16

10:00 am-9:15 am

2 stops32h 15m

$1,099

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

jue. 6/5

12:35 pm-12:18 pm

2 stops38h 13m

Chicago O'Hare Intl

jue. 6/12

5:30 am-11:35 am

2 stops39h 35m

$1,137

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

mié. 9/3

11:50 am-4:59 am

2 stops32h 09m

Chicago O'Hare Intl

mié. 9/17

5:45 pm-9:25 am

1 stop24h 40m

$1,141

PerthChicago

PER - ORD

PERORD

Perth

dom. 6/15

12:10 am-4:00 pm

2 stops28h 50m

Chicago O'Hare Intl

dom. 6/29

1:30 am-12:40 am

2 stops34h 10m

$1,271

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/21

Showing 1-10 of 57 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 abril 22, 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 abril 22, 2025.
Read reviews from past customers who have flown Air Tahiti Nui, EVA Air and Korean Air 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

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.8

Crew

9.1

Entertainment

7.3

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

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.8

Crew

9.1

Entertainment

7.3

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
1,179 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.8

Crew

9.1

Entertainment

7.3

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.
Korean Air
8.4
Very good
1,062 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.8

Crew

9.1

Entertainment

7.3

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
1,450 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.8

Crew

9.1

Entertainment

7.3

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
847 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Comfort

8.1

Food

7.8

Boarding

8.7

Overall

8.8

Crew

9.1

Entertainment

7.3

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 $653 on Cathay Pacific. Other airlines that offer cheap prices include Etihad Airways from $665 and Delta from $912 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 3 airlines flying from Australia to Chicago

Discover the top 3 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 abril 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$631Average$894FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$884Average$1,277FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,080Average$1,475FlexibilityNo cancel feeOn-time69%

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