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O'Hare Intl

$529+ Cheap flights from Australia to O'Hare Intl (ORD)

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 6/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
1 adult, Economy
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Cheap flight deals from Australia to O'Hare Intl

Keep the following information in mind while searching for Australia to O'Hare Intl flight deals. Data was last updated March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$836
(Air Canada)

One-way from

$529
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$907
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 O'Hare Intl
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One-way flight from Australia to Chicago O'Hare Intl
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Highest demand for flights based on searches. 14% potential increase in price ($183 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($41 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Find flight deals from Australia to O'Hare Intl

Cheapest flights from Australia to O'Hare Intl
Explore the most affordable flight options available from Australia to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on March 28, 2025.

This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/159:20 amSYD - ORD
2 stops37h 39mAir Canada
Tue 8/53:35 pmORD - SYD
1 stop24h 45mAir Canada
Deal found 3/27$836
This Mytrip deal was found by Cheapflights users on 3/27. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/1111:35 amBNE - ORD
2 stops34h 07mMultiple Airlines
Sun 5/188:37 amORD - BNE
2 stops34h 48mMultiple Airlines
Deal found 3/27$908
This Air Canada deal was found by Cheapflights users on 3/27. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/1010:20 amBNE - ORD
2 stops41h 25mAir Canada
Tue 6/178:40 amORD - BNE
2 stops31h 25mAir Canada
Deal found 3/27$1,025
This BYOjet deal was found by Cheapflights users on 3/27. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/97:10 amMEL - ORD
2 stops23h 45mMultiple Airlines
Mon 10/203:40 pmORD - MEL
2 stops29h 40mMultiple Airlines
Deal found 3/27$1,059
This BYOjet deal was found by Cheapflights users on 3/27. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/96:40 amMEL - ORD
2 stops24h 15mAir Canada
Mon 10/2010:40 amORD - MEL
3 stops33h 55mAir Canada
Deal found 3/27$1,064
This Jetabroad deal was found by Cheapflights users on 3/26. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 5/147:05 amBNE - ORD
2 stops28h 19mQantas Airways
Wed 5/211:33 pmORD - BNE
1 stop24h 52mQantas Airways
Deal found 3/26$1,078
This Ovago deal was found by Cheapflights users on 3/26. 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.
Tue 4/229:30 pmSYD - ORD
1 stop23h 47mQantas Airways
Tue 4/293:17 pmORD - SYD
1 stop24h 48mQantas Airways
Deal found 3/26$1,082
This United Airlines deal was found by Cheapflights users on 3/26. 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.
Tue 4/229:30 amSYD - ORD
1 stop24h 25mUnited Airlines
Tue 4/294:10 pmORD - SYD
2 stops23h 45mUnited Airlines
Deal found 3/26$1,096
This Mytrip deal was found by Cheapflights users on 3/28. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1012:35 pmADL - ORD
3 stops32h 37mMultiple Airlines
Sat 5/175:51 amORD - ADL
3 stops39h 14mMultiple Airlines
Deal found 3/28$1,104
This Mix&Match deal was found by Cheapflights users on 3/27. 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 Mix&Match is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/198:45 amSYD - ORD
2 stops31h 31mAir New Zealand
Sun 5/253:51 pmORD - SYD
2 stops25h 54mAir New Zealand
Deal found 3/27$1,124
This Justfly.com deal was found by Cheapflights users on 3/28. 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 Justfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/2411:50 amSYD - ORD
2 stops32h 01mANA
Fri 8/225:45 pmORD - SYD
1 stop34h 30mANA
Deal found 3/28$1,134
This United Airlines deal was found by Cheapflights users on 3/27. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/3110:30 amBNE - ORD
2 stops33h 34mUnited Airlines
Mon 4/76:25 pmORD - BNE
1 stop21h 05mUnited Airlines
Deal found 3/27$1,150

Cheapflights Fare Finder

Customize your flight search to find flights from Australia to O'Hare Intl 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 March 28, 2025.
Use the filters below to find and compare flights from Australia to Chicago O'Hare Intl Airport that are best for you.

Fly from

Australia

Fly to

O'Hare Intl

Route

Depart

Return

Price

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 7/15

9:20 am-7:59 am

2 stops37h 39m

Chicago O'Hare Intl

Tue 8/5

3:35 pm-7:20 am

1 stop24h 45m

$836

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Sun 5/11

11:35 am-6:42 am

2 stops34h 07m

Chicago O'Hare Intl

Sun 5/18

8:37 am-10:25 am

2 stops34h 48m

$908

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 6/10

10:20 am-12:45 pm

2 stops41h 25m

Chicago O'Hare Intl

Tue 6/17

8:40 am-7:05 am

2 stops31h 25m

$1,025

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 5/14

7:05 am-8:24 pm

2 stops28h 19m

Chicago O'Hare Intl

Wed 5/21

1:33 pm-5:25 am

1 stop24h 52m

$1,078

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 4/22

9:30 pm-6:17 am

1 stop23h 47m

Chicago O'Hare Intl

Tue 4/29

3:17 pm-7:05 am

1 stop24h 48m

$1,082

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 4/22

9:30 am-6:55 pm

1 stop24h 25m

Chicago O'Hare Intl

Tue 4/29

4:10 pm-6:55 am

2 stops23h 45m

$1,096

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 5/19

8:45 am-1:16 am

2 stops31h 31m

Chicago O'Hare Intl

Sun 5/25

3:51 pm-8:45 am

2 stops25h 54m

$1,124

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 6/24

11:50 am-4:51 am

2 stops32h 01m

Chicago O'Hare Intl

Fri 8/22

5:45 pm-7:15 pm

1 stop34h 30m

$1,134

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Fri 5/9

6:25 am-6:42 am

3 stops38h 47m

Chicago O'Hare Intl

Fri 5/16

9:08 pm-11:35 am

3 stops47h 57m

$1,146

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sat 4/26

12:55 pm-8:35 am

2 stops34h 40m

Chicago O'Hare Intl

Thu 8/28

11:45 am-12:00 pm

3 stops33h 15m

$1,151

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/26

Showing 1-10 of 58 results
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Best time to book a flight from Australia to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl 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 O'Hare Intl Airport

What is the cheapest month to book a flight from Australia to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $245). Flying from Australia to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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 ORD?

Find hourly flight availability from Australia to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated March 28, 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 O'Hare Intl Airport as you normally would.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport 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 O'Hare Intl Airport when rainfall is around 1.7 in.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, 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 O'Hare Intl

Get insights into the airlines that provide service to O'Hare Intl. 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 O'Hare Intl. Reviews last updated March 28, 2025.
To help decide which airline to fly from Australia to Chicago, see what other customers have to say about Air Tahiti Nui, EVA Air and Japan Airlines. 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

Comfort

8.0

Crew

9.1

Food

7.8

Boarding

8.7

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

Comfort

8.0

Crew

9.1

Food

7.8

Boarding

8.7

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

Comfort

8.0

Crew

9.1

Food

7.8

Boarding

8.7

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

Comfort

8.0

Crew

9.1

Food

7.8

Boarding

8.7

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
829 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Comfort

8.0

Crew

9.1

Food

7.8

Boarding

8.7

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.
Singapore Airlines
8.1
Very good
1,285 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Comfort

8.0

Crew

9.1

Food

7.8

Boarding

8.7

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 O'Hare Intl. 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 O'Hare Intl Airport one-way?

    To fly one-way, consider booking your trip with Air Canada, which is currently one of the cheapest options available, starting at $532. EVA Air flights start at $702 while deals on Cathay Pacific start at $786 one-way.

  • What are the most popular routes from Australia to Chicago O'Hare Intl Airport?

    The most popular flight routes from Australia to Chicago O'Hare Intl Airport are Melbourne - Chicago O'Hare Intl, Brisbane - Chicago O'Hare Intl and Sydney Kingsford Smith - Chicago O'Hare Intl.

  • Can I find deals for flights from Australia to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Australia to O'Hare Intl flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Australia to O'Hare Intl?

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

  • Can I find deals for business class flights from Australia to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Australia to O'Hare Intl 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 O'Hare Intl Airport?

    Currently, August is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $245). Flying from Australia to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $323). 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?

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Top 3 airlines flying from Australia to O'Hare Intl

Discover the top 3 airlines that operate flights from Australia to O'Hare Intl. 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 March 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$631Average$894FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$884Average$1,272FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,080Average$1,526FlexibilityNo cancel feeOn-time69%
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