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Cheap flights from Australia to Chicago O'Hare Intl Airport from $825

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 20/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
23 Mar — 30 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 21 February 2026.

Wed 18/219:40
BNE
-
ORD
2 stops53h 45m
American Airlines
Sat 21/206:00
ORD
-
BNE
1 stop31h 00m
American Airlines
Deal found 17/2$1,105
Tue 17/319:40
BNE
-
ORD
2 stops37h 24m
American Airlines
Wed 1/411:31
ORD
-
BNE
1 stop26h 29m
American Airlines
Deal found 20/2$1,299
Wed 15/410:00
BNE
-
ORD
1 stop19h 43m
Air Canada
Wed 22/414:35
ORD
-
BNE
2 stops25h 30m
Air Canada
Deal found 20/2$1,316
Tue 10/310:20
SYD
-
ORD
1 stop20h 21m
Air Canada
Wed 25/315:35
ORD
-
SYD
1 stop25h 00m
Air Canada
Deal found 18/2$1,349
Wed 11/310:20
SYD
-
ORD
1 stop20h 21m
Air Canada
Thu 26/307:15
ORD
-
SYD
2 stops33h 20m
Air Canada
Deal found 19/2$1,357
Fri 9/1010:20
SYD
-
ORD
2 stops25h 52m
Air Canada
Tue 13/1008:45
ORD
-
SYD
2 stops31h 35m
Air Canada
Deal found 19/2$1,391
Tue 30/610:00
BNE
-
ORD
2 stops39h 16m
Air Canada
Sun 30/815:40
ORD
-
BNE
1 stop24h 25m
Air Canada
Deal found 20/2$1,402
Sun 6/909:20
SYD
-
ORD
1 stop20h 21m
Air Canada
Sun 20/920:40
ORD
-
SYD
2 stops43h 40m
Air Canada
Deal found 17/2$1,405
Thu 19/310:25
SYD
-
ORD
2 stops37h 35m
Air Canada
Tue 21/408:50
ORD
-
SYD
1 stop31h 30m
Air Canada
Deal found 18/2$1,415
Wed 15/709:20
SYD
-
ORD
2 stops39h 56m
Air Canada
Tue 21/715:40
ORD
-
SYD
1 stop24h 40m
Air Canada
Deal found 18/2$1,418
Wed 4/311:20
SYD
-
ORD
2 stops27h 44m
Air Canada
Mon 9/314:26
ORD
-
SYD
2 stops26h 09m
Air Canada
Deal found 19/2$1,422
Wed 18/312:00
MEL
-
ORD
2 stops33h 25m
American Airlines
Sun 22/316:49
ORD
-
MEL
1 stop44h 11m
American Airlines
Deal found 20/2$1,445

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 21 February 2026.

Round-trip from

$1,299

One-way from

$825

Popular in

December

Cheapest in

April

Average price

$1,522
American Airlines
  • American Airlines
  • 17/3-1/4
  • 3 total stops
  • 63h 53m total
  • Australia to Chicago
Search Deals
20/3
  • 20/3
  • 2 total stops
  • 54h 49m total
  • Australia to Chicago
Search Deals
Highest demand for flights based on searches. 13% potential increase in price ($332 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($53 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 21 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

19:40-18:04

2 stops37h 24m

Chicago O'Hare Intl

Wed 1/4

13:31-05:00

2 stops24h 29m

$1,301

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 15/4

10:00-14:43

1 stop19h 43m

Chicago O'Hare Intl

Wed 22/4

08:50-07:05

1 stop31h 15m

$1,316

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 2/6

09:20-20:05

1 stop25h 45m

Chicago O'Hare Intl

Tue 4/8

15:40-07:20

1 stop24h 40m

$1,350

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 9/3

11:20-13:01

2 stops41h 41m

Chicago O'Hare Intl

Wed 11/3

15:35-08:35

1 stop25h 00m

$1,425

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 10/3

10:20-16:45

2 stops22h 25m

Chicago O'Hare Intl

Sun 15/3

18:25-08:35

2 stops46h 10m

$1,456

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 18/3

12:00-20:00

2 stops24h 00m

Chicago O'Hare Intl

Tue 24/3

21:15-08:30

2 stops43h 15m

$1,487

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 16/3

12:00-21:35

1 stop25h 35m

Chicago O'Hare Intl

Mon 23/3

19:29-09:30

1 stop22h 01m

$1,493

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 17/3

19:40-23:47

1 stop19h 07m

Chicago O'Hare Intl

Wed 1/4

16:44-05:00

1 stop21h 16m

$1,495

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 14/7

09:15-17:30

1 stop23h 15m

Chicago O'Hare Intl

Wed 22/7

18:30-06:50

1 stop21h 20m

$1,500

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 13/7

09:30-16:46

1 stop22h 16m

Chicago O'Hare Intl

Wed 22/7

18:30-06:55

1 stop21h 25m

$1,500

Flights are sorted by cheapest return flights first.

Deals found on 18/2

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 $856). Flying from Australia to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $1,497). 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 21 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
597 reviews
Check prices

Food

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
Air New Zealand
8.0
Very Good
597 reviews
Air New Zealand
8.0
Very Good
597 reviews
Check prices

Food

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
Qantas Airways
7.5
Good
996 reviews
Air New Zealand
8.0
Very Good
597 reviews
Check prices

Food

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
United Airlines
7.4
Good
9,341 reviews
Air New Zealand
8.0
Very Good
597 reviews
Check prices

Food

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
American Airlines
7.2
Good
11,340 reviews
Air New Zealand
8.0
Very Good
597 reviews
Check prices

Food

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.
Air Canada
7.1
Good
10,738 reviews
Air New Zealand
8.0
Very Good
597 reviews
Check prices

Food

7.4

Comfort

8.0

Overall

8.0

Boarding

8.2

Crew

8.5

Entertainment

7.4

Reviews

1 / 20
10.0
Excellent

Marsha,Feb 2026

LAX - AKL

Air New Zealand is a great airline. Airline staff made us feel welcome and flight attendants were attentive and kind.

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 19h 43m. Fly via American Airlines, Air Canada, or United Airlines to get the fastest option. There are 14318 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 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 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 $856). Flying from Australia to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $1,497). 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 21 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 21 February 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$927Average$1,511FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,069Average$1,596FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,083Average$1,538FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
American AirlinesCheapest$1,100Average$1,492FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Cathay PacificCheapest$1,372Average$1,905FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
United AirlinesCheapest$1,395Average$1,995FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapest$1,482Average$1,599FlexibilityNo cancel feeOn-time80%
Search ANA flights
Japan AirlinesCheapest$1,825Average$2,251FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Qatar AirwaysCheapest$2,303Average$2,966FlexibilityNo 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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