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Cheap flights from Australia to Chicago from $785

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 23/5. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — CHI
31 Mar — 7 Apr1
1 adult

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 26 March 2025.

Round-trip from

$1,482

One-way from

$824

Popular in

December

Cheapest in

February

Average price

$1,438
American Airlines
  • American Airlines
  • 7/5-18/5
  • 3 total stops
  • 55h 23m total
  • Australia to Chicago
Search Deals
5/6
  • 5/6
  • 2 total stops
  • 31h 50m total
  • Australia to Chicago
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($459 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($104 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 26 March 2025.

Thu 7/809:20SYD - ORD
1 stop20h 29mAir Canada
Mon 25/815:35ORD - SYD
1 stop24h 45mAir Canada
Deal found 26/3$1,365
Wed 7/511:55MEL - ORD
1 stop32h 15mAmerican Airlines
Sun 18/514:52ORD - MEL
2 stops23h 08mAmerican Airlines
Deal found 26/3$1,482
Tue 29/710:20BNE - ORD
2 stops39h 33mAir Canada
Mon 4/815:35ORD - BNE
2 stops49h 55mAir Canada
Deal found 26/3$1,492
Wed 27/807:05BNE - ORD
2 stops25h 19mAmerican Airlines
Wed 10/906:00ORD - BNE
1 stop32h 25mAmerican Airlines
Deal found 25/3$1,571
Wed 21/509:10SYD - ORD
1 stop21h 45mQantas Airways
Sun 25/519:13ORD - SYD
1 stop20h 52mQantas Airways
Deal found 26/3$1,613
Wed 8/1006:40MEL - ORD
2 stops24h 15mAir Canada
Tue 21/1015:40ORD - MEL
2 stops29h 40mAir Canada
Deal found 26/3$1,624
Tue 10/607:05BNE - ORD
2 stops22h 56mQantas Airways
Mon 16/618:30ORD - BNE
2 stops27h 40mQantas Airways
Deal found 25/3$1,638
Wed 27/820:05BNE - ORD
1 stop24h 03mMultiple Airlines
Wed 10/917:05ORD - BNE
1 stop21h 20mMultiple Airlines
Deal found 25/3$1,652
Thu 1/521:30SYD - ORD
1 stop28h 53mMultiple Airlines
Mon 19/515:17ORD - SYD
2 stops25h 13mMultiple Airlines
Deal found 26/3$1,674
Thu 27/311:15SYD - ORD
2 stops34h 05mAmerican Airlines
Tue 22/417:30ORD - SYD
1 stop22h 35mAmerican Airlines
Deal found 26/3$1,704
Wed 7/511:55MEL - ORD
1 stop20h 31mMultiple Airlines
Sun 18/513:33ORD - MEL
1 stop26h 12mMultiple Airlines
Deal found 26/3$1,706
Tue 22/409:30SYD - ORD
1 stop24h 25mUnited Airlines
Tue 29/416:09ORD - SYD
1 stop23h 46mUnited Airlines
Deal found 26/3$1,724

Cheapflights Fare Finder

Customise 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 647,157 searches. Data last updated 26 March 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 7/8

09:20-14:49

1 stop20h 29m

Chicago O'Hare Intl

Mon 25/8

15:35-07:20

1 stop24h 45m

$1,365

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 7/5

11:55-05:10

1 stop32h 15m

Chicago O'Hare Intl

Sun 18/5

14:52-05:00

2 stops23h 08m

$1,482

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 29/7

10:20-10:53

2 stops39h 33m

Chicago O'Hare Intl

Mon 4/8

15:35-08:30

2 stops49h 55m

$1,492

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 27/8

07:05-17:24

2 stops25h 19m

Chicago O'Hare Intl

Wed 10/9

06:00-05:25

1 stop32h 25m

$1,571

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 21/5

09:10-15:55

1 stop21h 45m

Chicago O'Hare Intl

Sun 25/5

19:13-07:05

1 stop20h 52m

$1,613

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 10/6

07:05-15:01

2 stops22h 56m

Chicago O'Hare Intl

Mon 16/6

18:30-13:10

2 stops27h 40m

$1,638

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 27/8

20:05-05:08

1 stop24h 03m

Chicago O'Hare Intl

Wed 10/9

17:05-05:25

1 stop21h 20m

$1,652

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 23/5

13:35-23:05

2 stops24h 30m

Chicago O'Hare Intl

Fri 30/5

06:10-11:30

2 stops38h 20m

$1,657

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 1/5

21:30-11:23

1 stop28h 53m

Chicago O'Hare Intl

Mon 19/5

15:17-07:30

2 stops25h 13m

$1,674

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 16/6

09:45-19:29

1 stop24h 44m

Chicago O'Hare Intl

Tue 1/7

09:59-06:45

1 stop29h 46m

$1,682

Flights are sorted by cheapest return flights first.

Deals found on 25/3

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 return 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 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 26 March 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Chicago as you normally would.

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 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago when rainfall is around 43.0 mm.

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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 26 March 2025.
Read through reviews of airlines operating flights from Australia to Chicago, such as Air Tahiti Nui, EVA Air and Korean Air. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Boarding

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

Overall

8.7

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
8.7
Very Good
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Boarding

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

Overall

8.7

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
1,169 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Boarding

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

Overall

8.7

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
1,050 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Boarding

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

Overall

8.7

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
1,440 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Boarding

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

Overall

8.7

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
828 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Boarding

8.7

Food

7.8

Comfort

8.0

Entertainment

7.2

Overall

8.7

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?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $839. EVA Air flights start at $1,115 while deals on Cathay Pacific start at $1,243 one-way.

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

    Most travellers choose Sydney Kingsford Smith - Chicago O'Hare Intl, Melbourne - Chicago O'Hare Intl or Sydney Kingsford Smith - Chicago Midway when deciding on the best route from Australia to Chicago.

  • 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 holiday 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Australia to Chicago

Discover the top 10 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 647,157 searches. Data last updated 26 March 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$726Average$1,888FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,009Average$1,808FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,225Average$1,886FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapest$1,409Average$1,962FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
ANACheapest$1,550Average$2,154FlexibilityNo cancel feeOn-time80%
Search ANA flights
United AirlinesCheapest$1,610Average$2,366FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,760Average$2,832FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
DeltaCheapest$1,854Average$1,987FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Cathay PacificCheapest$1,902Average$2,376FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Japan AirlinesCheapest$2,102Average$2,624FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights

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How does Cheapflights help users find flights from Australia to Chicago?

Deals for Australia to Chicago flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Australia to Chicago?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Australia to Chicago for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Australia to Chicago with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Australia to Chicago flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Australia to Chicago become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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