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Cheap flights from Australia to Chicago O'Hare Intl Airport from $887

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 6/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
5 Jun — 12 Jun1
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 6 May 2026.

Wed 10/610:55
MEL
-
ORD
1 stop22h 45m
United Airlines
Wed 17/615:57
ORD
-
MEL
1 stop25h 18m
United Airlines
Deal found 6/5$1,351
Tue 11/813:25
MEL
-
ORD
2 stops31h 52m
Multiple Airlines
Mon 17/821:13
ORD
-
MEL
1 stop42h 32m
Multiple Airlines
Deal found 4/5$1,743
Tue 26/517:50
SYD
-
ORD
1 stop27h 44m
Multiple Airlines
Wed 10/607:20
ORD
-
SYD
2 stops33h 10m
Multiple Airlines
Deal found 6/5$1,780
Mon 18/517:50
SYD
-
ORD
1 stop27h 49m
Multiple Airlines
Sun 24/520:46
ORD
-
SYD
1 stop43h 44m
Multiple Airlines
Deal found 4/5$1,824
Sun 9/813:15
SYD
-
ORD
2 stops32h 02m
Multiple Airlines
Fri 28/821:07
ORD
-
SYD
1 stop43h 23m
Multiple Airlines
Deal found 2/5$1,835
Sat 9/522:15
BNE
-
ORD
1 stop37h 45m
EVA Air
Sat 23/500:30
ORD
-
BNE
1 stop28h 30m
EVA Air
Deal found 4/5$1,892
Mon 18/517:50
SYD
-
ORD
1 stop27h 49m
Multiple Airlines
Fri 29/520:46
ORD
-
SYD
1 stop43h 44m
Multiple Airlines
Deal found 4/5$1,900
Fri 30/1018:10
BNE
-
ORD
2 stops44h 49m
Multiple Airlines
Wed 18/1115:09
ORD
-
BNE
2 stops48h 06m
Multiple Airlines
Deal found 5/5$1,914
Tue 3/1123:40
MEL
-
ORD
1 stop31h 50m
Qatar Airways
Mon 16/1115:08
ORD
-
MEL
2 stops33h 42m
Qatar Airways
Deal found 2/5$1,918
Tue 11/822:45
MEL
-
ORD
2 stops36h 19m
Qatar Airways
Wed 19/819:20
ORD
-
MEL
1 stop30h 30m
Qatar Airways
Deal found 4/5$1,925
Mon 25/517:50
SYD
-
ORD
1 stop27h 44m
Multiple Airlines
Mon 12/1013:02
ORD
-
SYD
2 stops26h 28m
Multiple Airlines
Deal found 4/5$1,929
Mon 25/517:50
SYD
-
ORD
1 stop27h 44m
Multiple Airlines
Sat 10/1006:05
ORD
-
SYD
2 stops33h 25m
Multiple Airlines
Deal found 4/5$1,938

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 6 May 2026.

Round-trip from

$1,743

One-way from

$909

Popular in

April

Cheapest in

August

Average price

$1,702
11/8-17/8
  • 11/8-17/8
  • 3 total stops
  • 74h 24m total
  • Australia to Chicago
Search Deals
9/8
  • 9/8
  • 3 total stops
  • 30h 58m total
  • Australia to Chicago
Search Deals
Highest demand for flights based on searches. 7% potential increase in price ($204 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($69 potential savings vs. average return price).
Search Deals
Average for round-trip flights in May 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 6 May 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

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 1/6

10:55-21:04

1 stop25h 09m

Chicago O'Hare Intl

Mon 15/6

15:47-07:30

1 stop24h 43m

$2,115

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 25/8

13:15-21:02

2 stops22h 47m

Chicago O'Hare Intl

Wed 30/9

16:45-11:50

2 stops28h 05m

$2,245

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Fri 7/8

11:35-23:59

2 stops27h 24m

Chicago O'Hare Intl

Mon 24/8

15:21-10:35

2 stops28h 14m

$2,346

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Fri 7/8

09:40-23:16

2 stops28h 36m

Chicago O'Hare Intl

Mon 24/8

16:20-11:05

2 stops27h 45m

$2,367

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 5/6

09:15-21:53

2 stops27h 38m

Chicago O'Hare Intl

Wed 12/8

14:36-06:50

1 stop25h 14m

$2,443

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 2/9

10:00-23:45

1 stop28h 45m

Chicago O'Hare Intl

Wed 9/9

14:55-07:50

1 stop25h 55m

$2,444

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 29/5

20:45-06:20

3 stops24h 35m

Chicago O'Hare Intl

Fri 5/6

17:44-18:50

2 stops34h 06m

$2,445

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 16/5

10:20-17:04

2 stops21h 44m

Chicago O'Hare Intl

Sat 6/6

21:48-06:55

1 stop42h 07m

$2,452

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 12/6

10:20-14:50

1 stop19h 30m

Chicago O'Hare Intl

Sat 25/7

21:35-06:55

1 stop42h 20m

$2,455

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 13/6

09:15-17:27

2 stops23h 12m

Chicago O'Hare Intl

Wed 22/7

14:02-06:50

2 stops25h 48m

$2,455

Flights are sorted by cheapest return flights first.

Deals found on 6/5

Showing 1-10 of 60 resultsSorted by cheapest first
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6

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

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 62 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 $265). Flying from Australia to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $1,387). 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 6 May 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
640 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

7.4

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air New Zealand
8.0
Very Good
640 reviews
Air New Zealand
8.0
Very Good
640 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

7.4

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Qantas Airways
7.5
Good
1,033 reviews
Air New Zealand
8.0
Very Good
640 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

7.4

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
United Airlines
7.4
Good
9,690 reviews
Air New Zealand
8.0
Very Good
640 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

7.4

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
American Airlines
7.1
Good
11,669 reviews
Air New Zealand
8.0
Very Good
640 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

7.4

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding
Air Canada
7.1
Good
11,004 reviews
Air New Zealand
8.0
Very Good
640 reviews
Check prices

Food

7.4

Boarding

8.2

Entertainment

7.4

Overall

8.0

Comfort

7.9

Crew

8.5

Reviews

1 / 20
6.0
Good

Anonymous,Mar 2026

SIN - AKL

We were stuck on tarmac for an hour after boarding

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 25h 09m. Fly via United Airlines, Air New Zealand, or Delta 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 cheapest airlines to fly from Australia to Chicago O'Hare Intl Airport one-way?

    The cheapet airlines for a one-way flight from Australia to Chicago O'Hare Intl Airport are Qantas Airways ($699), American Airlines ($974), and United Airlines ($1,014).

  • 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, June is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $265). Flying from Australia to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $1,387). 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 6 May 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 6 May 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$582Average$1,424FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$941Average$1,961FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,056Average$1,641FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,071Average$1,525FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,317Average$1,891FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Cathay PacificCheapest$1,356Average$1,906FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
ANACheapest$1,465Average$1,639FlexibilityNo cancel feeOn-time80%
Search ANA flights
Japan AirlinesCheapest$1,803Average$2,403FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Virgin AustraliaCheapest$2,117Average$2,144FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

Fly with Cheapflights

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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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