O'Hare Intl

$476+ 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 5/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
May 24 — May 311
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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 24, 2026.

This Trip.com deal was found by Cheapflights users on 4/20. 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 5/41:15 pm
SYD
-
ORD
3 stops48h 58m
Multiple Airlines
Fri 5/88:30 am
ORD
-
SYD
3 stops46h 40m
Multiple Airlines
Deal found 4/20$1,076
This Trip.com deal was found by Cheapflights users on 4/21. 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
3 stops48h 53m
Multiple Airlines
Wed 6/107:12 am
ORD
-
SYD
3 stops47h 58m
Multiple Airlines
Deal found 4/21$1,084
This Trip.com deal was found by Cheapflights users on 4/21. 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 5/46:00 am
SYD
-
ORD
2 stops38h 50m
Multiple Airlines
Sat 5/96:55 am
ORD
-
SYD
3 stops48h 15m
Multiple Airlines
Deal found 4/21$1,090
This Trip.com deal was found by Cheapflights users on 4/20. 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 6/56:00 am
SYD
-
ORD
2 stops39h 04m
Multiple Airlines
Wed 8/129:33 am
ORD
-
SYD
3 stops35h 17m
Multiple Airlines
Deal found 4/20$1,095
This Trip.com deal was found by Cheapflights users on 4/21. 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 6/81:15 pm
SYD
-
ORD
3 stops46h 28m
Multiple Airlines
Wed 6/107:12 am
ORD
-
SYD
3 stops47h 58m
Multiple Airlines
Deal found 4/21$1,096
This Trip.com deal was found by Cheapflights users on 4/19. 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.
Thu 6/41:15 pm
SYD
-
ORD
3 stops48h 58m
Multiple Airlines
Thu 6/117:12 am
ORD
-
SYD
3 stops37h 38m
Multiple Airlines
Deal found 4/19$1,103
This FlightHub deal was found by Cheapflights users on 4/21. 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.
Wed 10/289:45 pm
SYD
-
ORD
1 stop26h 35m
ANA
Wed 11/48:00 pm
ORD
-
SYD
2 stops31h 15m
ANA
Deal found 4/21$1,145
This FlightHub deal was found by Cheapflights users on 4/21. 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.
Tue 10/2712:25 pm
SYD
-
ORD
2 stops32h 40m
ANA
Wed 11/44:25 pm
ORD
-
SYD
1 stop34h 50m
ANA
Deal found 4/21$1,150
This Trip.com deal was found by Cheapflights users on 4/20. 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 6/41:30 pm
MEL
-
ORD
2 stops31h 34m
Multiple Airlines
Thu 6/117:12 am
ORD
-
MEL
3 stops37h 48m
Multiple Airlines
Deal found 4/20$1,180
This Trip.com deal was found by Cheapflights users on 4/22. 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 6/61:30 pm
MEL
-
ORD
3 stops46h 02m
Multiple Airlines
Sat 6/137:12 am
ORD
-
MEL
3 stops37h 48m
Multiple Airlines
Deal found 4/22$1,210
This Trip.com deal was found by Cheapflights users on 4/23. 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 7/151:25 pm
MEL
-
ORD
3 stops31h 03m
Multiple Airlines
Wed 7/297:15 am
ORD
-
MEL
3 stops48h 20m
Multiple Airlines
Deal found 4/23$1,279
This Globehunters deal was found by Cheapflights users on 4/20. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/139:35 pm
PER
-
ORD
1 stop30h 20m
ANA
Tue 7/78:46 am
ORD
-
PER
2 stops46h 14m
ANA
Deal found 4/20$1,401

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 24, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,076
(Trip.com)

One-way from

$476
(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.
Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Chicago (CHI) flights.
From Australia to Chicago O'Hare Intl
One-way flight from Australia to Chicago O'Hare Intl
Highest demand for flights based on searches. 7% potential increase in price ($103 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($35 potential savings vs. average RT price).
Average for round-trip flights in April 2026

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 24, 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

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 6/8

10:55 am-11:16 pm

2 stops27h 21m

Chicago O'Hare Intl

Mon 6/15

2:29 pm-7:30 am

2 stops26h 01m

$1,509

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 6/5

10:55 am-9:40 pm

2 stops25h 45m

Chicago O'Hare Intl

Fri 6/19

6:10 pm-7:30 am

1 stop22h 20m

$1,509

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 6/5

8:45 pm-6:50 pm

2 stops37h 05m

Chicago O'Hare Intl

Wed 8/12

8:05 pm-6:50 pm

2 stops31h 45m

$1,553

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Mon 6/1

1:05 pm-6:04 am

2 stops31h 59m

Chicago O'Hare Intl

Sat 6/6

9:04 pm-5:00 am

1 stop40h 56m

$1,599

PerthChicago

PER - ORD

PERORD

Perth

Wed 9/2

12:10 am-7:20 am

2 stops44h 10m

Chicago O'Hare Intl

Sun 9/6

2:10 pm-12:40 am

2 stops45h 30m

$1,623

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Fri 8/7

11:35 am-10:00 pm

2 stops25h 25m

Chicago O'Hare Intl

Mon 8/24

7:00 pm-10:35 am

2 stops24h 35m

$1,635

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 6/10

10:00 am-11:18 pm

1 stop28h 18m

Chicago O'Hare Intl

Wed 6/17

6:15 pm-7:50 am

1 stop22h 35m

$1,636

PerthChicago

PER - ORD

PERORD

Perth

Tue 8/11

12:10 am-7:45 am

2 stops44h 35m

Chicago O'Hare Intl

Wed 9/16

2:10 pm-10:40 pm

2 stops43h 30m

$1,645

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Fri 8/7

11:35 am-10:00 pm

2 stops25h 25m

Chicago O'Hare Intl

Mon 8/24

3:21 pm-10:35 am

2 stops28h 14m

$1,672

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 5/20

9:15 am-7:20 pm

2 stops25h 05m

Chicago O'Hare Intl

Wed 5/27

2:00 pm-6:50 am

2 stops25h 50m

$1,699

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/20

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

How far ahead should I book a flight from Australia to Chicago O'Hare Intl Airport?

To ensure you get the cheapest price possible for a flight from Australia to Chicago O'Hare Intl Airport, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Australia to Chicago O'Hare Intl Airport?

Currently, June is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $190). 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 24, 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.

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

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.

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

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.

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

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.

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

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.

Boarding

8.4

Entertainment

7.8

Comfort

8.2

Overall

8.3

Crew

8.7

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 United Airlines, Japan Airlines, and Fiji Airways fly from Australia to Chicago O'Hare Intl Airport in about 25h 25m. The time it takes to get you to your destination can typically vary by up to 18h 45m. Australia and Chicago O'Hare Intl Airport are separated by a distance of 8897 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 $732. 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?

  • 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, June is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $190). 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
Rosemont
Schaumburg
Naperville
Gurnee
Lake Geneva
Delavan
Hoffman Estates
Downers Grove
Oakbrook Terrace
Benton Harbor
Des Plaines
Oak Brook
South Holland
Libertyville
Elgin
Warrenville
Elk Grove Village
Bridgeview
Great Lakes
Lansing

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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.

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 24, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$795Average$1,155FlexibilityNo 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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