O'Hare Intl

$444+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
sep. 2 — sep. 91
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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 agosto 28, 2025.

Round-trip from

$819
(BYOjet)

One-way from

$444
(Kiwi.com)

Popular in

December

Cheapest in

February

Average price

$1,042
From Australia to Chicago O'Hare Intl
One-way flight from Australia to Chicago O'Hare Intl
Highest demand for flights based on searches. 22% potential increase in price ($300 potential increase over avg. RT price).
Cheapest flight prices on average. 4% potential price decrease ($49 potential savings vs. average RT price).
Average for round-trip flights in August 2025

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 agosto 28, 2025.

This BYOjet deal was found by Cheapflights users on 8/27. 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.
mar. 10/147:10 amMEL - ORD
2 stops25h 32mMultiple Airlines
sáb. 10/257:41 pmORD - MEL
2 stops25h 34mMultiple Airlines
Deal found 8/27$819
This BYOjet deal was found by Cheapflights users on 8/27. 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.
mié. 10/87:10 amMEL - ORD
2 stops23h 50mAir Canada
lun. 10/203:45 pmORD - MEL
2 stops28h 50mAir Canada
Deal found 8/27$823
This United Airlines deal was found by Cheapflights users on 8/27. 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.
mié. 10/811:55 amMEL - ORD
2 stops23h 40mUnited Airlines
lun. 10/207:40 pmORD - MEL
1 stop21h 35mUnited Airlines
Deal found 8/27$825
This BYOjet deal was found by Cheapflights users on 8/27. 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.
mar. 10/146:30 amMEL - ORD
3 stops28h 59mAir Canada
sáb. 10/252:00 pmORD - MEL
3 stops31h 05mAir Canada
Deal found 8/27$839
This Booking.com deal was found by Cheapflights users on 8/28. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 10/1510:00 amBNE - ORD
2 stops38h 14mAir Canada
lun. 10/203:45 pmORD - BNE
1 stop24h 20mAir Canada
Deal found 8/28$869
This Gotogate deal was found by Cheapflights users on 8/26. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 10/2010:00 amBNE - ORD
1 stop20h 00mAir Canada
dom. 10/268:15 pmORD - BNE
2 stops44h 30mAir Canada
Deal found 8/26$876
This Gotogate deal was found by Cheapflights users on 8/27. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom. 10/1210:00 amBNE - ORD
1 stop20h 00mAir Canada
dom. 10/198:25 pmORD - BNE
2 stops43h 40mAir Canada
Deal found 8/27$903
This Jettzy deal was found by Cheapflights users on 8/28. 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 Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 10/710:20 amBNE - ORD
2 stops21h 50mAir Canada
mar. 10/283:40 pmORD - BNE
1 stop25h 05mAir Canada
Deal found 8/28$908
This Qantas Airways deal was found by Cheapflights users on 8/28. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
vie. 11/144:05 pmMEL - ORD
1 stop23h 15mMultiple Airlines
vie. 11/283:00 pmORD - MEL
1 stop25h 30mMultiple Airlines
Deal found 8/28$911
This United Airlines deal was found by Cheapflights users on 8/27. 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.
vie. 11/1411:30 amMEL - ORD
2 stops24h 23mUnited Airlines
vie. 11/285:16 pmORD - MEL
1 stop23h 44mUnited Airlines
Deal found 8/27$922
This Air Canada deal was found by Cheapflights users on 8/27. 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.
vie. 11/148:00 amMEL - ORD
3 stops28h 30mAir Canada
vie. 11/283:40 pmORD - MEL
2 stops29h 35mAir Canada
Deal found 8/27$929
This Air Canada deal was found by Cheapflights users on 8/27. 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.
vie. 11/217:45 amMEL - ORD
3 stops28h 45mAir Canada
vie. 12/53:40 pmORD - MEL
2 stops30h 55mAir Canada
Deal found 8/27$937

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 agosto 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

MelbourneChicago

MEL - ORD

MELORD

Melbourne

mar. 10/14

7:10 am-4:42 pm

2 stops25h 32m

Chicago O'Hare Intl

sáb. 10/25

7:41 pm-1:15 pm

2 stops25h 34m

$819

MelbourneChicago

MEL - ORD

MELORD

Melbourne

mié. 10/8

7:10 am-3:00 pm

2 stops23h 50m

Chicago O'Hare Intl

lun. 10/20

3:45 pm-12:35 pm

2 stops28h 50m

$823

MelbourneChicago

MEL - ORD

MELORD

Melbourne

mar. 10/14

11:55 am-9:30 pm

2 stops25h 35m

Chicago O'Hare Intl

sáb. 10/25

9:13 pm-9:00 am

1 stop43h 47m

$825

MelbourneChicago

MEL - ORD

MELORD

Melbourne

mié. 10/8

11:55 am-7:35 pm

2 stops23h 40m

Chicago O'Hare Intl

lun. 10/20

7:40 pm-9:15 am

1 stop21h 35m

$825

MelbourneChicago

MEL - ORD

MELORD

Melbourne

lun. 12/15

11:30 am-10:56 pm

2 stops28h 26m

Chicago O'Hare Intl

dom. 12/28

10:00 pm-9:30 am

1 stop42h 30m

$825

MelbourneChicago

MEL - ORD

MELORD

Melbourne

mar. 10/14

6:30 am-7:29 pm

3 stops28h 59m

Chicago O'Hare Intl

sáb. 10/25

2:00 pm-1:05 pm

3 stops31h 05m

$839

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

mié. 10/15

10:00 am-9:14 am

2 stops38h 14m

Chicago O'Hare Intl

lun. 10/20

3:45 pm-7:05 am

1 stop24h 20m

$869

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

lun. 10/20

10:00 am-3:00 pm

1 stop20h 00m

Chicago O'Hare Intl

dom. 10/26

8:15 pm-7:45 am

2 stops44h 30m

$876

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

dom. 10/12

10:00 am-3:00 pm

1 stop20h 00m

Chicago O'Hare Intl

dom. 10/19

8:25 pm-7:05 am

2 stops43h 40m

$903

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

mar. 10/7

10:20 am-3:00 pm

1 stop19h 40m

Chicago O'Hare Intl

mar. 10/28

3:40 pm-7:45 am

1 stop25h 05m

$908

Flights are sorted by cheapest round-trip flights first.

Deals found on 8/28

Showing 1-10 of 60 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 agosto 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.

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 agosto 28, 2025.
Read through reviews of airlines operating flights from Australia to Chicago O'Hare Intl Airport, such as Qantas Airways, United Airlines, and American Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Crew

8.2

Boarding

7.7

Entertainment

7.2

Comfort

7.5

Overall

7.5

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Crew

8.2

Boarding

7.7

Entertainment

7.2

Comfort

7.5

Overall

7.5

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Crew

8.2

Boarding

7.7

Entertainment

7.2

Comfort

7.5

Overall

7.5

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Crew

8.2

Boarding

7.7

Entertainment

7.2

Comfort

7.5

Overall

7.5

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

Crew

8.2

Boarding

7.7

Entertainment

7.2

Comfort

7.5

Overall

7.5

Food

6.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jul 2025

MEL - SYD

Flight cancelled 2hours before take off after checking in. Booked by airline on flight 6 hours later. No compensation or vouchers till we asked just before the flight took off.

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, United Airlines, and Air New Zealand fly from Australia to Chicago O'Hare Intl Airport in about 23h 50m. The time it takes to get you to your destination can typically vary by up to 3h 39m. 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 most popular routes from Australia to Chicago O'Hare Intl Airport?

  • 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

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
Hoffman Estates
Skokie
Des Plaines
Elgin
Arlington Heights
Beloit
Racine
Rockford
Great Lakes
Orland Park
Naperville
Merrillville
Elk Grove Village
Downers Grove
Evanston
Lake Geneva
Joliet

Browse thousands of different options on Cheapflights for your next trip

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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 agosto 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$631Average$908FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$862Average$1,098FlexibilityNo cancel feeOn-time67%
American AirlinesCheapest$884Average$1,167FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$1,080Average$1,463FlexibilityNo cancel feeOn-time69%

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