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O'Hare Intl

$421+ 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 4/25. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
May 9 — May 161
Sat 5/9
Sat 5/16
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 April 9, 2026.

This Trip.com deal was found by Cheapflights users on 4/9. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/241:15 pm
SYD
-
ORD
2 stops31h 44m
Multiple Airlines
Sun 5/317:15 am
ORD
-
SYD
2 stops37h 35m
Multiple Airlines
Deal found 4/9$1,115
This Trip.com deal was found by Cheapflights users on 4/5. 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 6/31:20 pm
SYD
-
ORD
2 stops31h 39m
Multiple Airlines
Fri 6/127:15 am
ORD
-
SYD
2 stops37h 35m
Multiple Airlines
Deal found 4/5$1,133
This Trip.com deal was found by Cheapflights users on 4/7. 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 4/271:15 pm
SYD
-
ORD
2 stops31h 35m
Multiple Airlines
Tue 5/1212:40 pm
ORD
-
SYD
3 stops42h 30m
Multiple Airlines
Deal found 4/7$1,134
This Trip.com deal was found by Cheapflights users on 4/6. 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 5/211:30 pm
MEL
-
ORD
3 stops46h 02m
Multiple Airlines
Thu 5/286:55 am
ORD
-
MEL
3 stops38h 05m
Multiple Airlines
Deal found 4/6$1,143
This Trip.com deal was found by Cheapflights users on 4/7. 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 7/276:00 am
SYD
-
ORD
2 stops39h 19m
Multiple Airlines
Tue 8/46:55 am
ORD
-
SYD
3 stops48h 15m
Multiple Airlines
Deal found 4/7$1,175
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 4/285:50 pm
SYD
-
ORD
1 stop20h 37m
Multiple Airlines
Wed 5/138:56 pm
ORD
-
SYD
2 stops47h 54m
Multiple Airlines
Deal found 4/8$1,202
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/295:50 pm
SYD
-
ORD
1 stop20h 37m
Multiple Airlines
Thu 5/146:15 am
ORD
-
SYD
2 stops38h 35m
Multiple Airlines
Deal found 4/9$1,225
This Kiwi.com deal was found by Cheapflights users on 4/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/75:50 pm
SYD
-
ORD
1 stop27h 49m
Multiple Airlines
Thu 5/288:46 pm
ORD
-
SYD
2 stops48h 04m
Multiple Airlines
Deal found 4/9$1,226
This Kiwi.com deal was found by Cheapflights users on 4/8. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/235:50 pm
SYD
-
ORD
1 stop27h 44m
Multiple Airlines
Sat 5/3011:57 am
ORD
-
SYD
2 stops32h 53m
Multiple Airlines
Deal found 4/8$1,267
This Trip.com deal was found by Cheapflights users on 4/8. 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 7/276:00 am
SYD
-
ORD
2 stops39h 19m
Multiple Airlines
Mon 8/36:55 am
ORD
-
SYD
3 stops37h 55m
Multiple Airlines
Deal found 4/8$1,271
This Trip.com deal was found by Cheapflights users on 4/6. 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.
Tue 9/88:00 pm
PER
-
ORD
2 stops61h 45m
Multiple Airlines
Sun 10/412:30 am
ORD
-
PER
2 stops38h 15m
Multiple Airlines
Deal found 4/6$1,291
This Aunt Betty deal was found by Cheapflights users on 4/6. 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.
Thu 5/2110:15 pm
BNE
-
ORD
1 stop37h 45m
Multiple Airlines
Thu 5/287:49 pm
ORD
-
BNE
2 stops33h 11m
Multiple Airlines
Deal found 4/6$1,372

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 April 9, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,115
(Trip.com)

One-way from

$421
(Kiwi.com)

Popular in

April

Cheapest in

August

Average price

$1,592
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. 7% potential increase in price ($94 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 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 April 9, 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

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 5/23

5:50 pm-6:34 am

1 stop27h 44m

Chicago O'Hare Intl

Sat 5/30

8:46 pm-7:30 am

1 stop43h 44m

$1,337

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 5/8

10:00 am-6:05 pm

2 stops23h 05m

Chicago O'Hare Intl

Mon 6/8

7:35 am-7:50 am

1 stop33h 15m

$1,468

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 5/22

10:00 am-8:14 pm

2 stops25h 14m

Chicago O'Hare Intl

Fri 5/29

12:30 pm-7:50 am

2 stops28h 20m

$1,471

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 5/16

3:40 pm-3:21 pm

2 stops38h 41m

Chicago O'Hare Intl

Sat 6/6

2:00 pm-4:50 pm

1 stop35h 50m

$1,498

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 6/9

9:20 am-2:45 pm

1 stop20h 25m

Chicago O'Hare Intl

Tue 7/7

11:05 am-7:20 am

2 stops29h 15m

$1,513

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Sat 5/2

10:15 pm-9:00 pm

1 stop37h 45m

Chicago O'Hare Intl

Thu 5/7

8:48 pm-8:00 pm

2 stops32h 12m

$1,570

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 6/3

2:30 pm-5:59 am

2 stops30h 29m

Chicago O'Hare Intl

Wed 6/17

9:13 pm-6:45 am

1 stop42h 32m

$1,573

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 8/7

10:00 am-9:48 pm

2 stops26h 48m

Chicago O'Hare Intl

Mon 8/31

6:30 pm-7:50 am

1 stop22h 20m

$1,613

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sun 4/26

8:55 am-10:45 am

1 stop40h 50m

Chicago O'Hare Intl

Thu 4/30

2:10 pm-6:20 am

1 stop25h 10m

$1,649

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 6/12

9:15 am-1:50 pm

1 stop19h 35m

Chicago O'Hare Intl

Sun 7/12

12:27 pm-6:50 am

2 stops27h 23m

$1,709

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/9

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, July is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $675). Flying from Australia to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $995). 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 April 9, 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
1,775 reviews

Crew

8.7

Overall

8.3

Entertainment

7.8

Comfort

8.2

Food

7.7

Boarding

8.4

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
1,775 reviews
Japan Airlines
8.3
Very good
1,775 reviews

Crew

8.7

Overall

8.3

Entertainment

7.8

Comfort

8.2

Food

7.7

Boarding

8.4

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
1,018 reviews
Japan Airlines
8.3
Very good
1,775 reviews

Crew

8.7

Overall

8.3

Entertainment

7.8

Comfort

8.2

Food

7.7

Boarding

8.4

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
9,561 reviews
Japan Airlines
8.3
Very good
1,775 reviews

Crew

8.7

Overall

8.3

Entertainment

7.8

Comfort

8.2

Food

7.7

Boarding

8.4

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
10,913 reviews
Japan Airlines
8.3
Very good
1,775 reviews

Crew

8.7

Overall

8.3

Entertainment

7.8

Comfort

8.2

Food

7.7

Boarding

8.4

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, Qatar Airways, and Japan Airlines fly from Australia to Chicago O'Hare Intl Airport in about 30h 55m. The time it takes to get you to your destination can typically vary by up to 13h 40m. Australia and Chicago O'Hare Intl Airport are separated by a distance of 10947 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 Air Canada, which is currently one of the cheapest options available, starting at $530. American Airlines flights start at $772 while deals on Qantas Airways start at $796 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, July is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $675). Flying from Australia to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $995). 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
Lake Geneva
Gurnee
Hoffman Estates
Naperville
Delavan
Downers Grove
Des Plaines
Elgin
Oakbrook Terrace
Oak Brook
South Holland
Elk Grove Village
Libertyville
Warrenville
Bridgeview
Beloit
Great Lakes
Lansing

Browse thousands of different options on Cheapflights for your next trip

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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 April 9, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$795Average$1,358FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$862Average$1,089FlexibilityNo cancel feeOn-time67%
Qantas AirwaysCheapest$970Average$1,012FlexibilityNo cancel feeOn-time74%
Japan AirlinesCheapest$973Average$976FlexibilityNo cancel feeOn-time79%

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