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$489+ Cheap flights from O'Hare Intl (ORD) to Australia

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 2/24. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
Feb 19 — Feb 261
Thu 2/19
Thu 2/26
1 adult, Economy
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Cheap flight deals from O'Hare Intl to Australia

Cheapest flights from O'Hare Intl to Australia
Explore the most affordable flight options available from O'Hare Intl to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 20, 2026.

This Air Canada deal was found by Cheapflights users on 1/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/243:35 pm
ORD
-
BNE
1 stop25h 10m
Air Canada
Wed 3/119:45 am
BNE
-
ORD
1 stop19h 56m
Air Canada
Deal found 1/18$947
This Air Canada deal was found by Cheapflights users on 1/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/18:40 am
ORD
-
BNE
2 stops31h 25m
Air Canada
Wed 4/2210:00 am
BNE
-
ORD
2 stops24h 50m
Air Canada
Deal found 1/18$954
This Air Canada deal was found by Cheapflights users on 1/17. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/2512:50 pm
ORD
-
BNE
2 stops27h 55m
Air Canada
Sun 3/810:45 am
BNE
-
ORD
2 stops24h 00m
Air Canada
Deal found 1/17$962
This Air Canada deal was found by Cheapflights users on 1/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 6/28:45 am
ORD
-
BNE
2 stops31h 20m
Air Canada
Tue 6/1610:00 am
BNE
-
ORD
2 stops37h 05m
Air Canada
Deal found 1/19$965
This Gurufare deal was found by Cheapflights users on 1/18. 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 Gurufare is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/78:45 am
ORD
-
BNE
2 stops31h 20m
Air New Zealand
Sun 7/1910:00 am
BNE
-
ORD
1 stop19h 41m
Air New Zealand
Deal found 1/18$980
This Air Canada deal was found by Cheapflights users on 1/18. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/38:41 am
ORD
-
BNE
2 stops32h 04m
Air Canada
Tue 3/105:10 am
BNE
-
ORD
2 stops24h 31m
Air Canada
Deal found 1/18$981
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/88:50 am
ORD
-
SYD
2 stops43h 00m
Qantas Airways
Mon 2/2311:20 am
SYD
-
ORD
1 stop23h 26m
Qantas Airways
Deal found 1/18$984
This Air Canada deal was found by Cheapflights users on 1/19. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 5/111:01 pm
ORD
-
BNE
3 stops31h 29m
Air Canada
Wed 5/2010:00 am
BNE
-
ORD
2 stops41h 50m
Air Canada
Deal found 1/19$989
This Air Canada deal was found by Cheapflights users on 1/20. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 4/193:40 pm
ORD
-
BNE
1 stop24h 25m
Air Canada
Thu 4/2310:00 am
BNE
-
ORD
1 stop19h 43m
Air Canada
Deal found 1/20$990
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/105:55 pm
ORD
-
SYD
2 stops45h 40m
Qantas Airways
Tue 3/249:25 pm
SYD
-
ORD
1 stop35h 40m
Qantas Airways
Deal found 1/18$991
This lol.travel deal was found by Cheapflights users on 1/17. 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 lol.travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/153:35 pm
ORD
-
BNE
1 stop25h 10m
Air Canada
Tue 3/310:45 am
BNE
-
ORD
2 stops46h 20m
Air Canada
Deal found 1/17$993
This Kiwi.com deal was found by Cheapflights users on 1/18. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/231:24 pm
ORD
-
SYD
2 stops51h 41m
Qantas Airways
Tue 3/311:20 am
SYD
-
ORD
1 stop20h 33m
Qantas Airways
Deal found 1/18$995

Find flight deals from O'Hare Intl to Australia

Keep the following information in mind while searching for O'Hare Intl to Australia flight deals. Data was last updated January 20, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

Expedia
3 stars

Round-trip from

$947
(Air Canada)

One-way from

$489
(Kiwi.com)

Popular in

December

Cheapest in

June

Average price

$1,364
Provider with most accurate pricing for Chicago (CHI)-Sydney Kingsford Smith flight deals.
Search Deals
Provider most trusted by Cheapflights users for Chicago (CHI)-Sydney Kingsford Smith flights.
Search Deals
From Chicago O'Hare Intl to Australia
Search Deals
One-way flight from Chicago O'Hare Intl to Australia
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($231 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($47 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from O'Hare Intl to Australia 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 January 20, 2026.
Use the filters below to find and compare flights from Chicago O'Hare Intl Airport to Australia that are best for you.

Fly from

O'Hare Intl

Fly to

Australia

Route

Depart

Return

Price

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 6/2

3:40 pm-7:05 am

1 stop24h 25m

Brisbane

Tue 6/16

10:00 am-2:45 pm

1 stop19h 45m

$947

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Tue 6/23

10:45 am-7:05 am

2 stops29h 20m

Brisbane

Tue 6/30

10:00 am-2:41 pm

1 stop19h 41m

$951

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Thu 3/5

3:35 pm-8:45 am

1 stop25h 10m

Brisbane

Thu 3/12

9:45 am-2:41 pm

1 stop19h 56m

$1,032

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Thu 2/26

3:35 pm-4:10 pm

2 stops32h 05m

Adelaide

Wed 3/11

6:10 am-2:41 pm

2 stops24h 01m

$1,039

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sun 2/1

9:10 am-8:45 am

2 stops55h 35m

Brisbane

Sun 2/15

10:45 am-4:45 pm

2 stops46h 00m

$1,048

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 3/4

3:35 pm-3:25 pm

2 stops31h 20m

Adelaide

Wed 3/11

6:10 am-2:41 pm

2 stops24h 01m

$1,057

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Wed 2/4

3:35 pm-8:45 am

1 stop25h 10m

Brisbane

Sat 2/14

10:45 am-8:10 pm

2 stops25h 25m

$1,057

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Fri 3/6

3:35 pm-10:30 pm

2 stops38h 25m

Adelaide

Fri 3/13

6:10 am-2:41 pm

2 stops24h 01m

$1,087

ChicagoBrisbane

ORD - BNE

ORDBNE

Chicago O'Hare Intl

Sun 2/8

3:35 pm-8:45 am

1 stop25h 10m

Brisbane

Thu 2/12

10:45 am-4:38 pm

1 stop21h 53m

$1,098

ChicagoAdelaide

ORD - ADL

ORDADL

Chicago O'Hare Intl

Wed 3/4

8:40 pm-1:55 pm

3 stops48h 45m

Adelaide

Wed 3/11

6:10 am-2:41 pm

2 stops24h 01m

$1,103

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/19

Showing 1-10 of 60 results
1
2
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6

Best time to book a flight from O'Hare Intl to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia from O'Hare Intl 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 Chicago O'Hare Intl Airport to Australia

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

Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Australia (average of $198). Flying from Chicago O'Hare Intl Airport to Australia in October is currently the most expensive (average of $832). 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 Australia

Get insights into the airlines that provide service to Australia. 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 Australia. Reviews last updated January 20, 2026.
Peruse reviews from past customers who have flown with Fiji Airways, Qantas Airways, and United Airlines from Chicago O'Hare Intl Airport to Australia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Fiji Airways
8.0
Very good
218 reviews

Entertainment

7.5

Food

7.5

Overall

8.0

Crew

8.5

Comfort

8.0

Boarding

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Fiji Airways
8.0
Very good
218 reviews
Fiji Airways
8.0
Very good
218 reviews

Entertainment

7.5

Food

7.5

Overall

8.0

Crew

8.5

Comfort

8.0

Boarding

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Qantas Airways
7.5
Good
973 reviews
Fiji Airways
8.0
Very good
218 reviews

Entertainment

7.5

Food

7.5

Overall

8.0

Crew

8.5

Comfort

8.0

Boarding

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
United Airlines
7.4
Good
9,188 reviews
Fiji Airways
8.0
Very good
218 reviews

Entertainment

7.5

Food

7.5

Overall

8.0

Crew

8.5

Comfort

8.0

Boarding

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
American Airlines
7.2
Good
11,169 reviews
Fiji Airways
8.0
Very good
218 reviews

Entertainment

7.5

Food

7.5

Overall

8.0

Crew

8.5

Comfort

8.0

Boarding

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.
Air Canada
7.1
Good
10,644 reviews
Fiji Airways
8.0
Very good
218 reviews

Entertainment

7.5

Food

7.5

Overall

8.0

Crew

8.5

Comfort

8.0

Boarding

8.1

Reviews

1 / 17
10.0
Excellent

Anonymous,Oct 2025

CNS - NAN

Food service: Outstanding. Comfort of seating and usual things: Also outstanding.

Related info for your journey

Find useful and relevant information for your journey from O'Hare Intl to Australia. 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 Chicago O'Hare Intl Airport to Australia?

    There are many flights that can get you from Chicago O'Hare Intl Airport to Australia in 24h 25m. Fly via Air Canada or Qantas Airways to get the fastest option. Chicago O'Hare Intl Airport and Australia are separated by a distance of 8897 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Chicago O'Hare Intl Airport to Australia one-way?

    The cheapest airline one-way is ANA, with whom users have recently found tickets for as low as $304. However, be on the lookout for offers from Qantas Airways and American Airlines, as they are both options that can get you from Chicago O'Hare Intl Airport to Australia for a low price.

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

    While some choose either Chicago O'Hare Intl - Melbourne or Chicago O'Hare Intl - Brisbane, Chicago O'Hare Intl - Sydney Kingsford Smith is the most popular route from Chicago O'Hare Intl Airport to Australia.

  • Can I find deals for flights from O'Hare Intl to Australia that include hotel bookings?

    Yes. In addition to deals on O'Hare Intl to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from O'Hare Intl to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Australia.

  • Can I find deals for business class flights from O'Hare Intl to Australia?

    Yes. Cheapflights offers flight deals from O'Hare Intl to Australia 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 Chicago O'Hare Intl Airport to Australia?

    Currently, August is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Australia (average of $198). Flying from Chicago O'Hare Intl Airport to Australia in October is currently the most expensive (average of $832). 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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Alternative routes for O'Hare Intl to Australia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from O'Hare Intl to Australia

Discover the top 10 airlines that operate flights from O'Hare Intl to Australia. 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 January 20, 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$675Average$1,478FlexibilityNo cancel feeOn-time74%
ANACheapest$703Average$1,237FlexibilityNo cancel feeOn-time80%
American AirlinesCheapest$796Average$876FlexibilityNo cancel feeOn-time71%
Fiji AirwaysCheapest$796Average$1,422FlexibilityNo cancel feeOn-time74%
Air CanadaCheapest$851Average$1,205FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$870Average$1,663FlexibilityNo cancel feeOn-time69%
DeltaCheapest$935Average$1,034FlexibilityNo cancel feeOn-timeN/A
Air New ZealandCheapest$1,217Average$1,499FlexibilityNo cancel feeOn-time78%
Qatar AirwaysCheapest$1,229Average$2,092FlexibilityNo cancel feeOn-time68%
Cathay PacificCheapest$1,418Average$1,773FlexibilityNo cancel feeOn-time72%

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