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Cheap flights from Australia to Chicago O'Hare Intl Airport from $708

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 28/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
31 Aug — 7 Sep1
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 1 August 2026.

Tue 8/906:15
SYD
-
ORD
2 stops39h 02m
Multiple Airlines
Tue 22/906:20
ORD
-
SYD
3 stops49h 05m
Multiple Airlines
Deal found 30/7$1,164
Tue 8/913:15
SYD
-
ORD
2 stops32h 02m
Multiple Airlines
Mon 14/906:30
ORD
-
SYD
3 stops38h 20m
Multiple Airlines
Deal found 29/7$1,199
Tue 25/813:15
SYD
-
ORD
2 stops32h 02m
Multiple Airlines
Tue 1/909:20
ORD
-
SYD
3 stops46h 05m
Multiple Airlines
Deal found 29/7$1,215
Wed 9/913:15
SYD
-
ORD
3 stops35h 05m
Multiple Airlines
Sat 19/906:20
ORD
-
SYD
3 stops38h 30m
Multiple Airlines
Deal found 29/7$1,261
Thu 15/1010:00
BNE
-
ORD
2 stops36h 51m
Air Canada
Wed 28/1008:40
ORD
-
BNE
2 stops32h 05m
Air Canada
Deal found 29/7$1,265
Mon 17/809:20
SYD
-
ORD
2 stops39h 56m
Air Canada
Mon 31/808:50
ORD
-
SYD
2 stops31h 30m
Air Canada
Deal found 27/7$1,280
Mon 14/910:00
BNE
-
ORD
2 stops25h 12m
Air Canada
Mon 21/911:05
ORD
-
BNE
2 stops29h 00m
Air Canada
Deal found 31/7$1,309
Thu 27/810:15
BNE
-
ORD
1 stop19h 21m
Air Canada
Wed 9/908:45
ORD
-
BNE
2 stops31h 20m
Air Canada
Deal found 31/7$1,310
Mon 14/909:20
SYD
-
ORD
2 stops39h 55m
Air Canada
Mon 28/915:40
ORD
-
SYD
1 stop24h 40m
Air Canada
Deal found 28/7$1,310
Tue 15/910:15
BNE
-
ORD
1 stop19h 28m
Air Canada
Tue 22/908:45
ORD
-
BNE
2 stops31h 20m
Air Canada
Deal found 31/7$1,312
Tue 8/909:20
SYD
-
ORD
1 stop20h 23m
Air Canada
Tue 22/915:40
ORD
-
SYD
1 stop24h 40m
Air Canada
Deal found 31/7$1,312
Tue 8/906:00
MEL
-
ORD
2 stops23h 43m
Air Canada
Mon 14/919:48
ORD
-
MEL
2 stops24h 32m
Air Canada
Deal found 29/7$1,316

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 1 August 2026.

Round-trip from

$1,164

One-way from

$708

Popular in

May

Cheapest in

October

Average price

$1,609
8/9-22/9
  • 8/9-22/9
  • 5 total stops
  • 88h 07m total
  • Australia to Chicago
Search Deals
28/8
  • 28/8
  • 2 total stops
  • 32h 02m total
  • Australia to Chicago
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($205 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($35 potential savings vs. average return price).
Search Deals
Average for round-trip flights in August 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 1 August 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 return flight

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 15/10

10:00-07:51

2 stops36h 51m

Chicago O'Hare Intl

Wed 28/10

08:40-07:45

2 stops32h 05m

$1,265

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 15/9

10:15-16:35

2 stops21h 20m

Chicago O'Hare Intl

Tue 22/9

15:48-07:05

2 stops24h 17m

$1,337

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 8/10

06:00-14:43

2 stops24h 43m

Chicago O'Hare Intl

Wed 14/10

19:45-18:20

2 stops30h 35m

$1,376

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 5/11

10:45-20:01

1 stop25h 16m

Chicago O'Hare Intl

Sat 7/11

15:45-08:45

2 stops49h 00m

$1,390

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 10/9

06:00-14:43

2 stops23h 43m

Chicago O'Hare Intl

Mon 21/9

15:40-16:20

2 stops33h 40m

$1,399

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Sat 24/10

18:05-20:13

3 stops41h 08m

Chicago O'Hare Intl

Tue 27/10

07:05-07:45

2 stops33h 40m

$1,450

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 10/9

06:00-19:48

3 stops28h 48m

Chicago O'Hare Intl

Mon 21/9

15:40-11:35

2 stops28h 55m

$1,458

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 15/9

10:15-16:35

2 stops21h 20m

Chicago O'Hare Intl

Thu 15/10

21:18-07:05

2 stops42h 47m

$1,465
Fastest return journey

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 27/8

10:15-14:36

1 stop19h 21m

Chicago O'Hare Intl

Sun 30/8

15:40-07:05

1 stop24h 25m

$1,480

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Sat 24/10

18:05-14:37

2 stops35h 32m

Chicago O'Hare Intl

Tue 27/10

15:30-10:55

2 stops28h 25m

$1,555

Flights are sorted by cheapest return flights first.

Deals found on 28/7

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 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, October is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $1,574). Flying from Australia to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $2,161). 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.

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

The price you pay for your flight from Australia to Chicago O'Hare Intl Airport may vary depending on when you book. For the best chance of a lower fare, look to book 74 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 1 August 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
657 reviews
Check prices

Entertainment

7.4

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air New Zealand
8.0
Very Good
657 reviews
Air New Zealand
8.0
Very Good
657 reviews
Check prices

Entertainment

7.4

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Qantas Airways
7.5
Good
1,073 reviews
Air New Zealand
8.0
Very Good
657 reviews
Check prices

Entertainment

7.4

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
United Airlines
7.4
Good
10,062 reviews
Air New Zealand
8.0
Very Good
657 reviews
Check prices

Entertainment

7.4

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
American Airlines
7.1
Good
11,845 reviews
Air New Zealand
8.0
Very Good
657 reviews
Check prices

Entertainment

7.4

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.
Air Canada
7.1
Good
11,415 reviews
Air New Zealand
8.0
Very Good
657 reviews
Check prices

Entertainment

7.4

Comfort

7.9

Boarding

8.2

Crew

8.5

Food

7.5

Overall

8.0

Reviews

1 / 20
2.0
Mediocre

Viren,June 2026

MEL - LAX

Flight got delayed and made us take a transit visa which was not a told before hand.

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 31h 26m. Fly via Air Canada, Qantas Airways, or Air New Zealand to get the fastest option. There are 15937 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 Melbourne - Chicago O'Hare Intl. You may also consider Sydney Kingsford Smith - 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, October is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $1,574). Flying from Australia to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $2,161). 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

Browse thousands of different options on Cheapflights for your next trip

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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 1 August 2026.
Qantas Airways flights from Australia to Chicago O'Hare Intl
Air Canada flights from Australia to Chicago O'Hare Intl

Top 8 airlines flying from Australia to O'Hare Intl

Discover the top 8 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 1 August 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$594Average$1,535FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,032Average$1,938FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,078Average$1,675FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,249Average$1,859FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air New ZealandCheapest$1,337Average$1,564FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Japan AirlinesCheapest$1,388Average$2,833FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Cathay PacificCheapest$1,692Average$1,982FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Virgin AustraliaCheapest$2,161Average$2,188FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to O'Hare Intl from Australia today with Cheapflights!

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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