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Cheap flights from Australia to Chicago O'Hare Intl Airport from $632

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 15/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
4 Mar — 11 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Australia to O'Hare Intl

Enter your travel dates to find the best prices.

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 2 February 2026.

Tue 17/319:40
BNE
-
ORD
2 stops35h 08m
American Airlines
Wed 1/411:31
ORD
-
BNE
1 stop26h 29m
American Airlines
Deal found 1/2$1,305
Wed 18/209:40
BNE
-
ORD
2 stops39h 51m
American Airlines
Sat 21/220:21
ORD
-
BNE
1 stop40h 39m
American Airlines
Deal found 1/2$1,306
Wed 8/410:00
BNE
-
ORD
2 stops44h 15m
Air Canada
Wed 22/412:50
ORD
-
BNE
2 stops27h 15m
Air Canada
Deal found 1/2$1,331
Sun 15/210:45
BNE
-
ORD
2 stops25h 25m
Air Canada
Wed 18/215:35
ORD
-
BNE
2 stops49h 10m
Air Canada
Deal found 31/1$1,354
Thu 19/305:35
BNE
-
ORD
2 stops24h 06m
Air Canada
Thu 26/315:35
ORD
-
BNE
1 stop25h 10m
Air Canada
Deal found 1/2$1,355
Sun 12/410:00
BNE
-
ORD
2 stops46h 01m
Air Canada
Sun 19/408:40
ORD
-
BNE
2 stops31h 25m
Air Canada
Deal found 1/2$1,409
Wed 18/210:45
BNE
-
ORD
2 stops28h 08m
Air Canada
Sat 21/210:35
ORD
-
BNE
2 stops30h 10m
Air Canada
Deal found 31/1$1,420
Thu 5/307:10
MEL
-
ORD
2 stops24h 31m
Air Canada
Wed 22/415:40
ORD
-
MEL
2 stops28h 25m
Air Canada
Deal found 1/2$1,420
Thu 19/307:15
MEL
-
ORD
2 stops23h 26m
Air Canada
Thu 26/315:35
ORD
-
MEL
2 stops29h 40m
Air Canada
Deal found 1/2$1,442
Sat 25/413:15
SYD
-
ORD
2 stops31h 35m
Multiple Airlines
Sat 9/506:00
ORD
-
SYD
1 stop34h 30m
Multiple Airlines
Deal found 31/1$1,444
Thu 19/306:00
ADL
-
ORD
2 stops24h 11m
Air Canada
Thu 26/315:35
ORD
-
ADL
2 stops33h 05m
Air Canada
Deal found 2/2$1,460
Tue 17/314:00
SYD
-
ORD
2 stops30h 49m
Multiple Airlines
Tue 24/319:31
ORD
-
SYD
1 stop43h 54m
Multiple Airlines
Deal found 31/1$1,460

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 2 February 2026.

Round-trip from

$1,305

One-way from

$632

Popular in

December

Cheapest in

March

Average price

$1,453
American Airlines
  • American Airlines
  • 17/3-1/4
  • 3 total stops
  • 61h 37m total
  • Australia to Chicago
Search Deals
15/4
  • 15/4
  • 2 total stops
  • 31h 35m total
  • Australia to Chicago
Search Deals
Highest demand for flights based on searches. 15% potential increase in price ($373 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($66 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 2026
Search Deals

Cheapflights Fare Finder

 
Customise 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 647,157 searches. Data last updated 2 February 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

Australia

Fly to

O'Hare Intl

Route

Depart

Return

Price

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 17/3

19:40-15:48

2 stops35h 08m

Chicago O'Hare Intl

Wed 1/4

11:31-05:00

1 stop26h 29m

$1,305

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Sun 15/3

09:45-11:18

2 stops40h 33m

Chicago O'Hare Intl

Sun 22/3

20:40-07:45

2 stops44h 05m

$1,306

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 18/2

09:40-08:20

2 stops38h 40m

Chicago O'Hare Intl

Sat 21/2

20:21-05:00

1 stop40h 39m

$1,306

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 8/4

10:00-15:15

2 stops44h 15m

Chicago O'Hare Intl

Wed 22/4

12:50-07:05

2 stops27h 15m

$1,331

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Sun 15/2

10:45-20:10

2 stops25h 25m

Chicago O'Hare Intl

Wed 18/2

15:35-08:45

2 stops49h 10m

$1,354

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 19/3

05:35-14:41

2 stops24h 06m

Chicago O'Hare Intl

Thu 26/3

15:35-07:45

1 stop25h 10m

$1,355

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 19/3

06:00-14:41

2 stops24h 11m

Chicago O'Hare Intl

Thu 26/3

15:35-16:10

2 stops33h 05m

$1,460

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 5/3

11:30-14:55

1 stop20h 25m

Chicago O'Hare Intl

Wed 22/4

12:43-07:30

2 stops27h 47m

$1,514

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Tue 17/3

12:00-17:02

1 stop21h 02m

Chicago O'Hare Intl

Tue 24/3

16:00-08:30

2 stops24h 30m

$1,520

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 24/4

13:15-05:50

2 stops31h 35m

Chicago O'Hare Intl

Sun 10/5

06:00-07:30

1 stop34h 30m

$1,553

Flights are sorted by cheapest return flights first.

Deals found on 1/2

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 return 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, May is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $871). Flying from Australia to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $1,484). 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 2 February 2026.
See what other customers who have flown with Air New Zealand, Qantas Airways, andUnited Airlines from Australia to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air New Zealand
8.0
Very Good
578 reviews
Check prices

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air New Zealand
8.0
Very Good
578 reviews
Air New Zealand
8.0
Very Good
578 reviews
Check prices

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Qantas Airways
7.5
Good
984 reviews
Air New Zealand
8.0
Very Good
578 reviews
Check prices

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
United Airlines
7.4
Good
9,231 reviews
Air New Zealand
8.0
Very Good
578 reviews
Check prices

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
American Airlines
7.2
Good
11,212 reviews
Air New Zealand
8.0
Very Good
578 reviews
Check prices

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane
Air Canada
7.1
Good
10,676 reviews
Air New Zealand
8.0
Very Good
578 reviews
Check prices

Crew

8.5

Entertainment

7.4

Overall

8.0

Boarding

8.2

Comfort

8.0

Food

7.4

Reviews

1 / 20
8.0
Excellent

David,Jan 2026

AKL - IAH

Couple of spare seats on this flight so people could spread a little. Much better than a full plane

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?

    There are many flights that can get you from Australia to Chicago O'Hare Intl Airport in 20h 25m. Fly via American Airlines, Air Canada, or United Airlines to get the fastest option. There are 15546 km between Australia and Chicago O'Hare Intl Airport. Both multi-stop and direct flights can be found to your destination and back.

  • What are the most popular routes from Australia to Chicago O'Hare Intl Airport?

    The most popular route from Australia to Chicago O'Hare Intl Airport is Sydney Kingsford Smith - Chicago O'Hare Intl. You may also consider Melbourne - Chicago O'Hare Intl or 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 holiday 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, May is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $871). Flying from Australia to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $1,484). 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

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Fly from Australia to O'Hare Intl on these airlines

Choose from the following airlines for your flight from Australia to O'Hare Intl. Flights are based on user searches made on Cheapflights and were last updated on 2 February 2026.
Qantas Airways flights from Australia to Chicago O'Hare Intl
Air Canada flights from Australia to Chicago O'Hare Intl

Top 9 airlines flying from Australia to O'Hare Intl

Discover the top 9 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 647,157 searches. Data last updated 2 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$910Average$1,489FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,088Average$1,625FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,102Average$1,556FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
American AirlinesCheapest$1,109Average$1,466FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Cathay PacificCheapest$1,396Average$1,938FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
United AirlinesCheapest$1,419Average$2,030FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapest$1,508Average$1,627FlexibilityNo cancel feeOn-time80%
Search ANA flights
Japan AirlinesCheapest$1,856Average$2,280FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Qatar AirwaysCheapest$2,343Average$3,018FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

Fly with Cheapflights

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How does Cheapflights help users find flights from Australia to O'Hare Intl?

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Why should you use Cheapflights to find cheap flight tickets from Australia to O'Hare Intl?

Cheapflights helps you find that perfect flight to O'Hare Intl from Australia by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Australia to O'Hare Intl with no change fees?

Need flexible booking options for your flight to O'Hare Intl from Australia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Australia to O'Hare Intl become cheaper?

Yes, Cheapflights offers price alerts on Australia to O'Hare Intl flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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