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O'Hare Intl

$609+ 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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
Apr 18 — Apr 251
Sat 4/18
Sat 4/25
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 March 19, 2026.

This Trip.com deal was found by Cheapflights users on 3/18. 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.
Sat 5/21:30 pm
MEL
-
ORD
2 stops31h 05m
Multiple Airlines
Sat 5/93:00 pm
ORD
-
MEL
2 stops30h 00m
Multiple Airlines
Deal found 3/18$883
This Gotogate deal was found by Cheapflights users on 3/18. 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.
Thu 4/169:20 am
SYD
-
ORD
1 stop20h 25m
Air Canada
Wed 4/298:40 am
ORD
-
SYD
2 stops31h 40m
Air Canada
Deal found 3/18$899
This Trip.com deal was found by Cheapflights users on 3/18. 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.
Sun 5/31:15 pm
SYD
-
ORD
2 stops31h 20m
Multiple Airlines
Sun 5/105:15 am
ORD
-
SYD
2 stops39h 35m
Multiple Airlines
Deal found 3/18$900
This Trip.com deal was found by Cheapflights users on 3/17. 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.
Fri 5/111:35 am
BNE
-
ORD
2 stops26h 52m
Multiple Airlines
Fri 5/85:15 am
ORD
-
BNE
2 stops38h 20m
Multiple Airlines
Deal found 3/17$901
This BYOjet deal was found by Cheapflights users on 3/16. 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 BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/209:20 am
SYD
-
ORD
2 stops22h 15m
Air Canada
Thu 4/303:40 pm
ORD
-
SYD
1 stop24h 40m
Air Canada
Deal found 3/16$902
This Gotogate deal was found by Cheapflights users on 3/18. 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.
Thu 4/169:20 am
SYD
-
ORD
1 stop20h 25m
Air Canada
Thu 4/238:40 am
ORD
-
SYD
2 stops31h 40m
Air Canada
Deal found 3/18$905
This Trip.com deal was found by Cheapflights users on 3/18. 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.
Sun 5/311:35 am
BNE
-
ORD
2 stops33h 00m
Multiple Airlines
Sun 5/105:15 am
ORD
-
BNE
2 stops38h 20m
Multiple Airlines
Deal found 3/18$908
This Trip.com deal was found by Cheapflights users on 3/19. 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.
Sun 5/31:30 pm
MEL
-
ORD
2 stops31h 05m
Multiple Airlines
Sun 5/105:15 am
ORD
-
MEL
2 stops40h 10m
Multiple Airlines
Deal found 3/19$908
This Trip.com deal was found by Cheapflights users on 3/17. 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 4/151:15 pm
SYD
-
ORD
2 stops25h 12m
Multiple Airlines
Thu 4/162:00 pm
ORD
-
SYD
2 stops30h 50m
Multiple Airlines
Deal found 3/17$919
This Trip.com deal was found by Cheapflights users on 3/15. 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 4/291:25 pm
MEL
-
ORD
2 stops25h 02m
Multiple Airlines
Wed 5/67:30 am
ORD
-
MEL
2 stops37h 35m
Multiple Airlines
Deal found 3/15$929
This Mytrip deal was found by Cheapflights users on 3/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 4/309:20 am
SYD
-
ORD
2 stops49h 48m
Air Canada
Thu 5/73:40 pm
ORD
-
SYD
1 stop24h 40m
Air Canada
Deal found 3/16$930
This Trip.com deal was found by Cheapflights users on 3/17. 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.
Fri 5/11:15 pm
SYD
-
ORD
2 stops31h 20m
Multiple Airlines
Fri 5/85:15 am
ORD
-
SYD
2 stops49h 55m
Multiple Airlines
Deal found 3/17$934

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 March 19, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$883
(Trip.com)

One-way from

$609
(Kiwi.com)

Popular in

December

Cheapest in

August

Average price

$1,112
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. 4% potential increase in price ($52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in March 2026
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 March 19, 2026.
Use the filters below to find and compare flights from Australia to Chicago O'Hare Intl Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Fri 5/1

11:35 am-11:27 pm

2 stops26h 52m

Chicago O'Hare Intl

Fri 5/8

5:15 am-10:35 am

2 stops38h 20m

$901

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 6/4

10:15 am-7:50 am

2 stops36h 35m

Chicago O'Hare Intl

Mon 6/8

11:05 am-7:05 am

2 stops29h 00m

$950

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 4/28

8:45 pm-2:45 pm

2 stops33h 00m

Chicago O'Hare Intl

Tue 5/5

8:46 am-7:05 am

1 stop31h 19m

$1,048

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Sun 5/3

8:00 pm-8:15 pm

2 stops38h 45m

Chicago O'Hare Intl

Sun 5/10

8:20 pm-1:55 pm

3 stops51h 05m

$1,051

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Sun 5/3

8:45 pm-2:45 pm

2 stops33h 00m

Chicago O'Hare Intl

Sun 5/10

3:40 pm-7:05 am

1 stop24h 25m

$1,097

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Tue 6/2

4:30 pm-5:40 am

2 stops51h 40m

Chicago O'Hare Intl

Sat 6/6

5:35 pm-11:50 am

3 stops51h 45m

$1,127

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 4/22

10:00 am-11:37 am

2 stops40h 37m

Chicago O'Hare Intl

Sun 4/26

11:03 pm-7:05 am

2 stops41h 02m

$1,128

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 4/22

8:35 pm-5:21 am

2 stops23h 46m

Chicago O'Hare Intl

Sun 4/26

9:13 pm-5:00 am

1 stop40h 47m

$1,168

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 7/13

9:55 am-9:40 pm

2 stops26h 45m

Chicago O'Hare Intl

Mon 8/10

2:21 pm-8:45 am

2 stops27h 24m

$1,174

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 8/5

8:35 pm-5:18 am

1 stop23h 43m

Chicago O'Hare Intl

Mon 8/10

3:12 pm-5:00 am

1 stop22h 48m

$1,174

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/14

Showing 1-10 of 60 resultsSorted by cheapest first
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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, April is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $670). Flying from Australia to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $1,061). 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.

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 19, 2026.
Read through reviews of airlines operating flights from Australia to Chicago O'Hare Intl Airport, such as Japan Airlines,Qantas Airways, andUnited Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,740 reviews

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Boarding

8.4

Food

7.7

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Japan Airlines
8.3
Very good
1,740 reviews
Japan Airlines
8.3
Very good
1,740 reviews

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Boarding

8.4

Food

7.7

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Qantas Airways
7.5
Good
1,006 reviews
Japan Airlines
8.3
Very good
1,740 reviews

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Boarding

8.4

Food

7.7

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
United Airlines
7.4
Good
9,443 reviews
Japan Airlines
8.3
Very good
1,740 reviews

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Boarding

8.4

Food

7.7

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.
Air Canada
7.1
Good
10,817 reviews
Japan Airlines
8.3
Very good
1,740 reviews

Overall

8.3

Comfort

8.2

Crew

8.7

Entertainment

7.8

Boarding

8.4

Food

7.7

Reviews

1 / 20
8.0
Excellent

Evan,Feb 2026

NRT - ORD

They didn't get my order for vegetarian meals, and the non-veggie options were mediocre. But the crew was very nice an tried to help as well as they could.

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 American Airlines fly from Australia to Chicago O'Hare Intl Airport in about 20h 05m. The time it takes to get you to your destination can typically vary by up to 10h 07m. 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 American Airlines, which is currently one of the cheapest options available, starting at $469. Qantas Airways flights start at $470 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 Melbourne - Chicago O'Hare Intl, Sydney Kingsford Smith - 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, April is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $670). Flying from Australia to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $1,061). 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
Naperville
Lake Geneva
Hoffman Estates
Delavan
Downers Grove
Des Plaines
Elgin
Oak Brook
South Holland
Elk Grove Village
Libertyville
Waukegan
Beloit
Warrenville
Oakbrook Terrace
Bridgeview
Great Lakes

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Alternative routes for Australia to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Melbourne to O'Hare Intl flights
Sydney to O'Hare Intl flights
Auckland to O'Hare Intl flights
Brisbane to O'Hare Intl flights
Adelaide to O'Hare Intl flights

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 March 19, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$759Average$1,007FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$795Average$1,212FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$862Average$1,101FlexibilityNo cancel feeOn-time67%
Japan AirlinesCheapest$973Average$976FlexibilityNo cancel feeOn-time79%

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