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O'Hare Intl

$441+ 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 6/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
Apr 22 — Apr 291
Tue 4/22
Tue 4/29
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 April 17, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$914
(Trip.com)

One-way from

$441
(Mytrip)

Popular in

December

Cheapest in

March

Average price

$841
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. 16% potential increase in price ($207 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 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 April 17, 2025.

This Trip.com deal was found by Cheapflights users on 4/16. 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 5/81:15 pmSYD - ORD
2 stops33h 30mMultiple Airlines
Thu 5/157:00 amORD - SYD
2 stops38h 15mMultiple Airlines
Deal found 4/16$914
This Trip.com deal was found by Cheapflights users on 4/17. 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 5/1411:35 amBNE - ORD
2 stops34h 07mMultiple Airlines
Wed 5/218:37 amORD - BNE
2 stops34h 58mMultiple Airlines
Deal found 4/17$942
This EVA Air deal was found by Cheapflights users on 4/16. 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 EVA Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/910:15 pmBNE - ORD
1 stop37h 30mEVA Air
Sat 10/1812:30 amORD - BNE
1 stop28h 30mEVA Air
Deal found 4/16$1,024
This Aunt Betty deal was found by Cheapflights users on 4/16. 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 8/59:55 amSYD - ORD
2 stops26h 23mAir New Zealand
Tue 8/124:50 pmORD - SYD
2 stops24h 55mAir New Zealand
Deal found 4/16$1,025
This BYOjet deal was found by Cheapflights users on 4/17. 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 6/1211:55 pmBNE - ORD
1 stop29h 30mCathay Pacific
Sun 6/224:00 pmORD - BNE
1 stop28h 05mCathay Pacific
Deal found 4/17$1,053
This Qantas Airways deal was found by Cheapflights users on 4/16. 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.
Fri 6/133:00 pmSYD - ORD
2 stops38h 15mQantas Airways
Mon 6/239:59 amORD - SYD
2 stops32h 46mQantas Airways
Deal found 4/16$1,089
This Mytrip deal was found by Cheapflights users on 4/17. 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.
Thu 5/812:55 pmMEL - ORD
3 stops34h 55mMultiple Airlines
Fri 5/96:59 pmORD - MEL
2 stops25h 31mMultiple Airlines
Deal found 4/17$1,109
This Qantas Airways deal was found by Cheapflights users on 4/17. 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.
Tue 6/109:15 amBNE - ORD
2 stops35h 55mQantas Airways
Mon 6/239:59 amORD - BNE
1 stop28h 26mQantas Airways
Deal found 4/17$1,208
This Qantas Airways deal was found by Cheapflights users on 4/16. 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.
Wed 12/176:00 amADL - ORD
2 stops24h 45mQantas Airways
Sat 1/174:45 pmORD - ADL
2 stops26h 15mQantas Airways
Deal found 4/16$1,219
This Jettzy deal was found by Cheapflights users on 4/16. 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.
Mon 6/1611:50 amSYD - ORD
2 stops32h 01mANA
Mon 7/145:45 pmORD - SYD
1 stop34h 30mANA
Deal found 4/16$1,227
This BYOjet deal was found by Cheapflights users on 4/17. 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 10/1411:55 amMEL - ORD
1 stop21h 54mQantas Airways
Fri 10/241:30 pmORD - MEL
2 stops28h 50mQantas Airways
Deal found 4/17$1,245
This Japan Airlines deal was found by Cheapflights users on 4/17. 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 Japan Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/312:25 pmPER - ORD
2 stops40h 20mJapan Airlines
Sun 9/71:05 amORD - PER
2 stops34h 35mJapan Airlines
Deal found 4/17$1,266

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 April 17, 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

Thu 5/8

1:15 pm-7:45 am

2 stops33h 30m

Chicago O'Hare Intl

Thu 5/15

7:00 am-12:15 pm

2 stops38h 15m

$914

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 5/14

11:35 am-6:42 am

2 stops34h 07m

Chicago O'Hare Intl

Wed 5/21

8:37 am-10:35 am

2 stops34h 58m

$942

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 10/9

10:15 pm-8:45 pm

1 stop37h 30m

Chicago O'Hare Intl

Sat 10/18

12:30 am-8:00 pm

1 stop28h 30m

$1,024

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 6/12

11:55 pm-2:25 pm

1 stop29h 30m

Chicago O'Hare Intl

Sun 6/22

4:00 pm-11:05 am

1 stop28h 05m

$1,053

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 5/8

12:55 pm-8:50 am

3 stops34h 55m

Chicago O'Hare Intl

Fri 5/9

6:59 pm-11:30 am

2 stops25h 31m

$1,109

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 10/14

12:50 pm-2:55 pm

1 stop42h 05m

Chicago O'Hare Intl

Fri 10/24

7:10 am-8:15 pm

2 stops45h 05m

$1,206

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 6/10

9:15 am-6:10 am

2 stops35h 55m

Chicago O'Hare Intl

Mon 6/23

9:59 am-5:25 am

1 stop28h 26m

$1,208

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 10/14

10:10 am-7:40 pm

1 stop25h 30m

Chicago O'Hare Intl

Fri 10/24

2:45 pm-9:50 am

2 stops27h 05m

$1,225

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Tue 10/14

11:55 am-5:49 pm

1 stop21h 54m

Chicago O'Hare Intl

Fri 10/24

1:30 pm-10:20 am

2 stops28h 50m

$1,245

PerthChicago

PER - ORD

PERORD

Perth

Wed 9/3

12:25 pm-3:45 pm

2 stops40h 20m

Chicago O'Hare Intl

Sun 9/7

1:05 am-12:40 am

2 stops34h 35m

$1,266

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/17

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 $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 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 April 17, 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 April 17, 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
8.8
Very good
62 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

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

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

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
1,177 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

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
1,440 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

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
844 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

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.
Singapore Airlines
8.1
Very good
1,288 reviews
Air Tahiti Nui
8.8
Very good
62 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Overall

8.8

Crew

9.1

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 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 EVA Air, which is currently one of the cheapest options available, starting at $649. Cathay Pacific flights start at $652 while deals on Etihad Airways start at $661 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 Sydney Kingsford Smith - Chicago O'Hare Intl, Melbourne - Chicago O'Hare Intl and Brisbane - 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 $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

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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 April 17, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$631Average$894FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$884Average$1,272FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,080Average$1,489FlexibilityNo cancel feeOn-time69%

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