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O'Hare Intl

$641+ 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 2/17. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap 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 December 4, 2025.

This Air Canada deal was found by Cheapflights users on 12/1. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/410:45 amBNE - ORD
1 stop19h 56mAir Canada
Mon 12/87:05 amORD - BNE
2 stops57h 40mAir Canada
Deal found 12/1$920
This American Airlines deal was found by Cheapflights users on 12/1. 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.
Thu 12/49:40 amBNE - ORD
2 stops37h 05mAmerican Airlines
Mon 12/812:10 pmORD - BNE
2 stops24h 50mAmerican Airlines
Deal found 12/1$923
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Wed 12/311:20 amSYD - ORD
1 stop21h 42mAmerican Airlines
Wed 12/313:13 pmORD - SYD
1 stop24h 47mAmerican Airlines
Deal found 12/2$982
This Air Canada deal was found by Cheapflights users on 12/2. 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.
Wed 12/311:20 amSYD - ORD
2 stops37h 40mAir Canada
Wed 12/3112:50 pmORD - SYD
2 stops27h 45mAir Canada
Deal found 12/2$1,000
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/1712:10 pmSYD - ORD
2 stops25h 58mUnited Airlines
Thu 1/224:16 pmORD - SYD
1 stop23h 59mUnited Airlines
Deal found 12/4$1,181
This United Airlines deal was found by Cheapflights users on 12/4. 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 12/1511:20 amSYD - ORD
1 stop24h 30mUnited Airlines
Fri 1/96:29 pmORD - SYD
1 stop42h 51mUnited Airlines
Deal found 12/4$1,190
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/2511:20 amSYD - ORD
1 stop20h 12mUnited Airlines
Fri 1/232:40 pmORD - SYD
1 stop25h 35mUnited Airlines
Deal found 12/2$1,234
This United Airlines deal was found by Cheapflights users on 12/1. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/242:00 pmSYD - ORD
2 stops21h 55mUnited Airlines
Fri 1/26:25 pmORD - SYD
1 stop21h 50mUnited Airlines
Deal found 12/1$1,235
This American Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/2511:20 amSYD - ORD
1 stop36h 39mAmerican Airlines
Fri 1/2311:44 amORD - SYD
2 stops27h 31mAmerican Airlines
Deal found 12/2$1,257
This EaseMyTrip deal was found by Cheapflights users on 12/3. 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 EaseMyTrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/2511:20 amSYD - ORD
1 stop20h 21mAir Canada
Fri 1/233:35 pmORD - SYD
1 stop25h 00mAir Canada
Deal found 12/3$1,364
This United Airlines deal was found by Cheapflights users on 12/2. 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.
Thu 12/411:40 amBNE - ORD
2 stops20h 58mUnited Airlines
Mon 12/82:35 pmORD - BNE
1 stop24h 55mUnited Airlines
Deal found 12/2$1,499
This United Airlines deal was found by Cheapflights users on 12/3. 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 12/2211:40 amBNE - ORD
2 stops21h 03mUnited Airlines
Tue 12/3010:53 amORD - BNE
1 stop28h 37mUnited Airlines
Deal found 12/3$1,511

Find 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 December 4, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$858
(Air Canada)

One-way from

$641
(Jetabroad)

Popular in

December

Cheapest in

March

Average price

$1,487
Provider with most accurate pricing for Sydney Kingsford Smith-Chicago (CHI) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Chicago (CHI) flights.
Search Deals
From Australia to Chicago O'Hare Intl
Search Deals
One-way flight from Australia to Chicago O'Hare Intl
Search Deals
Highest demand for flights based on searches. 22% potential increase in price ($298 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($44 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

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 December 4, 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

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 3/11

9:45 am-7:45 pm

2 stops49h 00m

Chicago O'Hare Intl

Sat 3/28

3:35 pm-7:05 am

1 stop24h 30m

$876

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 3/11

5:05 am-2:41 pm

2 stops24h 36m

Chicago O'Hare Intl

Sat 3/28

2:00 pm-7:05 am

2 stops26h 05m

$903

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 3/17

8:40 am-8:20 am

2 stops38h 40m

Chicago O'Hare Intl

Wed 4/1

4:45 pm-5:00 am

1 stop21h 15m

$913

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 3/17

7:40 pm-11:46 pm

1 stop19h 06m

Chicago O'Hare Intl

Wed 4/1

1:40 pm-5:00 am

1 stop24h 20m

$973

PerthChicago

PER - ORD

PERORD

Perth

Wed 1/21

10:30 pm-2:41 pm

2 stops30h 11m

Chicago O'Hare Intl

Mon 2/9

3:35 pm-9:35 pm

2 stops40h 00m

$977

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 3/5

11:30 am-2:55 pm

1 stop20h 25m

Chicago O'Hare Intl

Sat 3/21

9:10 pm-8:30 am

1 stop43h 20m

$1,002

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 3/4

11:30 am-2:45 pm

1 stop20h 15m

Chicago O'Hare Intl

Sun 3/8

9:10 pm-8:30 am

1 stop43h 20m

$1,016

PerthChicago

PER - ORD

PERORD

Perth

Mon 2/16

4:45 pm-2:41 pm

2 stops35h 56m

Chicago O'Hare Intl

Sat 2/21

3:35 pm-3:30 pm

2 stops33h 55m

$1,025

PerthChicago

PER - ORD

PERORD

Perth

Wed 1/21

10:30 pm-2:41 pm

2 stops30h 11m

Chicago O'Hare Intl

Mon 2/9

2:00 pm-1:50 pm

3 stops33h 50m

$1,029

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 5/15

10:55 am-6:54 pm

2 stops22h 59m

Chicago O'Hare Intl

Mon 6/8

2:25 pm-7:30 am

2 stops26h 05m

$1,065

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/3

Showing 1-10 of 54 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, May is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $607). Flying from Australia to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $1,050). 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 December 4, 2025.

When flying from Australia to Chicago O'Hare Intl Airport, the time of day you fly usually plays a role in the price. Save by searching for a flight in the morning, which can drop the price by up to 12% versus a flight in the afternoon.

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 December 4, 2025.
Read through reviews of airlines operating flights from Australia to Chicago O'Hare Intl Airport, such as Japan Airlines, Qantas Airways, and United Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,638 reviews

Food

7.7

Overall

8.3

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

The plane was delayed due to maintenance after everybody boarded (1 hour), the inside of the plane was not air conditioned before takeoff, and the weather outside was hot. Upon arriving in JFK, there were further delays. The airline attendants were passive aggresive and not certainly were not polite.
Japan Airlines
8.3
Very good
1,638 reviews
Japan Airlines
8.3
Very good
1,638 reviews

Food

7.7

Overall

8.3

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

The plane was delayed due to maintenance after everybody boarded (1 hour), the inside of the plane was not air conditioned before takeoff, and the weather outside was hot. Upon arriving in JFK, there were further delays. The airline attendants were passive aggresive and not certainly were not polite.
Qantas Airways
7.5
Good
947 reviews
Japan Airlines
8.3
Very good
1,638 reviews

Food

7.7

Overall

8.3

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

The plane was delayed due to maintenance after everybody boarded (1 hour), the inside of the plane was not air conditioned before takeoff, and the weather outside was hot. Upon arriving in JFK, there were further delays. The airline attendants were passive aggresive and not certainly were not polite.
United Airlines
7.4
Good
9,066 reviews
Japan Airlines
8.3
Very good
1,638 reviews

Food

7.7

Overall

8.3

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

The plane was delayed due to maintenance after everybody boarded (1 hour), the inside of the plane was not air conditioned before takeoff, and the weather outside was hot. Upon arriving in JFK, there were further delays. The airline attendants were passive aggresive and not certainly were not polite.
Air Canada
7.1
Good
10,500 reviews
Japan Airlines
8.3
Very good
1,638 reviews

Food

7.7

Overall

8.3

Crew

8.7

Entertainment

7.8

Boarding

8.4

Comfort

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Aug 2025

HND - JFK

The plane was delayed due to maintenance after everybody boarded (1 hour), the inside of the plane was not air conditioned before takeoff, and the weather outside was hot. Upon arriving in JFK, there were further delays. The airline attendants were passive aggresive and not certainly were not polite.

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.

  • How long is the flight from Australia to Chicago O'Hare Intl Airport?

    Airlines like Air Canada, American Airlines, and United Airlines fly from Australia to Chicago O'Hare Intl Airport in about 20h 25m. The time it takes to get you to your destination can typically vary by up to 28h 35m. Australia and Chicago O'Hare Intl Airport are separated by a distance of 9660 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

  • 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 Qantas Airways, which is currently one of the cheapest options available, starting at $408. American Airlines flights start at $469 while deals on Air Canada start at $530 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 Perth - 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, May is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $607). Flying from Australia to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $1,050). 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 Chicago O'Hare Intl Airport?

Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locations
Schaumburg
Rosemont
Gurnee
Elgin
Naperville
Hoffman Estates
Beloit
Delavan
Oak Brook
Downers Grove
Des Plaines
Elk Grove Village
Skokie
Lake Geneva
Bridgeview
Warrenville
Waukegan
Aurora
Kenosha
Evanston

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Top 4 airlines flying from Australia to O'Hare Intl

Discover the top 4 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$631Average$899FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$862Average$1,101FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$965Average$973FlexibilityNo cancel feeOn-time79%
United AirlinesCheapest$1,080Average$1,250FlexibilityNo cancel feeOn-time69%

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