HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
O'Hare Intl

$499+ 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 10/15. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Australia to O'Hare Intl with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

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 June 12, 2025.

Round-trip from

$954
(Gotogate)

One-way from

$499
(Trip.com)

Popular in

December

Cheapest in

March

Average price

$1,087
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. 19% potential increase in price ($250 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($51 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
Search Deals

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 June 12, 2025.

This Gotogate deal was found by Cheapflights users on 6/9. 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.
Mon 7/2111:55 pmBNE - ORD
1 stop29h 30mCathay Pacific
Mon 7/284:00 pmORD - BNE
1 stop28h 05mCathay Pacific
Deal found 6/9$954
This Trip.com deal was found by Cheapflights users on 6/12. 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 8/141:15 pmSYD - ORD
2 stops24h 31mMultiple Airlines
Thu 9/46:20 amORD - SYD
2 stops38h 55mMultiple Airlines
Deal found 6/12$1,046
This Cathay Pacific deal was found by Cheapflights users on 6/10. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/2111:55 pmBNE - ORD
1 stop29h 30mMultiple Airlines
Mon 7/284:00 pmORD - BNE
2 stops46h 15mMultiple Airlines
Deal found 6/10$1,065
This BYOjet deal was found by Cheapflights users on 6/12. 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.
Fri 11/1412:05 pmMEL - ORD
2 stops24h 51mAir New Zealand
Fri 11/283:43 pmORD - MEL
2 stops26h 07mAir New Zealand
Deal found 6/12$1,086
This Delta deal was found by Cheapflights users on 6/12. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 7/219:25 amSYD - ORD
2 stops22h 25mDelta
Wed 8/202:15 pmORD - SYD
2 stops25h 20mDelta
Deal found 6/12$1,093
This FlightHub deal was found by Cheapflights users on 6/12. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/138:55 pmSYD - ORD
1 stop26h 45mANA
Thu 7/319:05 amORD - SYD
2 stops43h 10mANA
Deal found 6/12$1,098
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Fri 11/1412:00 pmMEL - ORD
1 stop41h 06mAmerican Airlines
Fri 11/282:25 pmORD - MEL
2 stops29h 10mAmerican Airlines
Deal found 6/12$1,121
This American Airlines deal was found by Cheapflights users on 6/12. 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.
Mon 8/49:10 amSYD - ORD
1 stop23h 32mAmerican Airlines
Mon 8/256:00 amORD - SYD
1 stop34h 05mAmerican Airlines
Deal found 6/12$1,129
This Mytrip deal was found by Cheapflights users on 6/11. 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 7/199:35 pmPER - ORD
1 stop30h 20mANA
Wed 7/307:40 pmORD - PER
2 stops59h 20mANA
Deal found 6/11$1,133
This Trip.com deal was found by Cheapflights users on 6/10. 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.
Mon 7/2110:15 pmBNE - ORD
1 stop37h 55mEVA Air
Sun 7/2712:30 amORD - BNE
1 stop28h 30mEVA Air
Deal found 6/10$1,133
This BYOjet deal was found by Cheapflights users on 6/9. 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 7/299:45 amBNE - ORD
2 stops28h 27mAir New Zealand
Wed 8/67:10 amORD - BNE
2 stops34h 20mAir New Zealand
Deal found 6/9$1,147
This BYOjet deal was found by Cheapflights users on 6/11. 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 7/1512:10 amPER - ORD
2 stops28h 50mJapan Airlines
Tue 7/291:30 amORD - PER
2 stops34h 10mJapan Airlines
Deal found 6/11$1,209

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 June 12, 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

Mon 7/21

11:55 pm-2:25 pm

1 stop29h 30m

Chicago O'Hare Intl

Mon 7/28

4:00 pm-11:05 am

1 stop28h 05m

$954

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 8/14

1:15 pm-10:46 pm

2 stops24h 31m

Chicago O'Hare Intl

Thu 9/4

6:20 am-12:15 pm

2 stops38h 55m

$1,046

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Mon 7/21

11:55 pm-2:25 pm

1 stop29h 30m

Chicago O'Hare Intl

Mon 7/28

4:00 pm-5:15 am

2 stops46h 15m

$1,065

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 11/14

12:05 pm-7:56 pm

2 stops24h 51m

Chicago O'Hare Intl

Fri 11/28

3:43 pm-10:50 am

2 stops26h 07m

$1,086

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 7/21

9:25 am-4:50 pm

2 stops22h 25m

Chicago O'Hare Intl

Wed 8/20

2:15 pm-6:35 am

2 stops25h 20m

$1,093

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 8/4

8:55 pm-8:40 am

1 stop26h 45m

Chicago O'Hare Intl

Mon 8/25

8:20 pm-7:15 pm

2 stops31h 55m

$1,115

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 11/14

12:00 pm-12:06 pm

1 stop41h 06m

Chicago O'Hare Intl

Fri 11/28

2:25 pm-12:35 pm

2 stops29h 10m

$1,121

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 8/4

9:10 am-5:42 pm

1 stop23h 32m

Chicago O'Hare Intl

Mon 8/25

6:00 am-7:05 am

1 stop34h 05m

$1,129

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Mon 7/21

10:15 pm-9:10 pm

1 stop37h 55m

Chicago O'Hare Intl

Sun 7/27

12:30 am-8:00 pm

1 stop28h 30m

$1,133

PerthChicago

PER - ORD

PERORD

Perth

Sat 7/19

9:35 pm-2:55 pm

1 stop30h 20m

Chicago O'Hare Intl

Wed 7/30

7:40 pm-8:00 pm

2 stops59h 20m

$1,133

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/10

Showing 1-10 of 57 results
1
2
3
...
6

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 June 12, 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 June 12, 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
64 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

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
64 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

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
1,202 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

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
1,489 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

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
882 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

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.
Emirates
8.1
Very good
3,264 reviews
Air Tahiti Nui
8.7
Very good
64 reviews

Entertainment

7.3

Boarding

8.7

Comfort

8.1

Food

7.8

Overall

8.7

Crew

9.0

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 Cathay Pacific, which is currently one of the cheapest options available, starting at $666. American Airlines flights start at $760 while deals on EVA Air start at $766 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, Sydney Kingsford Smith - 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, 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 Australia?

Book flights to Australia if you plan to visit one of these locations
Schaumburg
Hoffman Estates
Rosemont
Beloit
Elgin
Racine
Skokie
Arlington Heights
Rockford
Naperville
Orland Park
Elk Grove Village
Tinley Park
Northbrook
Joliet
Merrillville
Bridgeview
Glenview
Des Plaines
Lake Geneva

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 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$631Average$894FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$884Average$1,243FlexibilityNo cancel feeOn-time71%
Air CanadaCheapest$985Average$1,247FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$1,080Average$1,463FlexibilityNo cancel feeOn-time69%

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.