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Cheap flights from Australia to Chicago O'Hare Intl Airport from $890

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 10/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
28 Jun — 5 Jul1
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 29 May 2026.

Tue 11/809:45
MEL
-
ORD
1 stop23h 02m
Qantas Airways
Thu 20/817:15
ORD
-
MEL
1 stop22h 30m
Qantas Airways
Deal found 24/5$1,313
Wed 29/709:45
MEL
-
ORD
1 stop29h 22m
Qantas Airways
Thu 6/811:52
ORD
-
MEL
1 stop27h 53m
Qantas Airways
Deal found 28/5$1,321
Fri 29/509:45
MEL
-
ORD
1 stop25h 05m
American Airlines
Thu 11/611:43
ORD
-
MEL
2 stops28h 02m
American Airlines
Deal found 25/5$1,335
Mon 8/613:35
MEL
-
ORD
1 stop21h 36m
Qantas Airways
Sat 20/608:10
ORD
-
MEL
1 stop31h 35m
Qantas Airways
Deal found 28/5$1,345
Sun 5/709:30
MEL
-
ORD
2 stops26h 33m
United Airlines
Tue 21/716:45
ORD
-
MEL
2 stops24h 30m
United Airlines
Deal found 27/5$1,353
Fri 10/710:55
MEL
-
ORD
2 stops24h 45m
United Airlines
Fri 17/721:35
ORD
-
MEL
1 stop43h 40m
United Airlines
Deal found 26/5$1,358
Sun 12/710:00
MEL
-
ORD
2 stops26h 52m
Delta
Mon 27/708:52
ORD
-
MEL
2 stops31h 58m
Delta
Deal found 25/5$1,362
Wed 15/710:00
MEL
-
ORD
2 stops26h 48m
Delta
Wed 29/707:45
ORD
-
MEL
2 stops33h 05m
Delta
Deal found 27/5$1,363
Fri 24/710:00
MEL
-
ORD
2 stops23h 57m
Delta
Sun 2/819:40
ORD
-
MEL
2 stops45h 10m
Delta
Deal found 27/5$1,367
Fri 10/710:55
MEL
-
ORD
1 stop25h 08m
Lufthansa
Fri 17/721:35
ORD
-
MEL
1 stop43h 40m
Lufthansa
Deal found 26/5$1,377
Thu 29/1011:15
SYD
-
ORD
1 stop34h 46m
American Airlines
Sun 1/1108:35
ORD
-
SYD
1 stop28h 35m
American Airlines
Deal found 28/5$1,422
Tue 15/909:10
SYD
-
ORD
1 stop20h 10m
American Airlines
Mon 12/1018:02
ORD
-
SYD
1 stop20h 53m
American Airlines
Deal found 25/5$1,447

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 29 May 2026.

Round-trip from

$1,313

One-way from

$890

Popular in

December

Cheapest in

August

Average price

$1,634
Qantas Airways
  • Qantas Airways
  • 11/8-20/8
  • 2 total stops
  • 45h 32m total
  • Australia to Chicago
Search Deals
Qantas Airways
  • Qantas Airways
  • 10/9
  • 1 total stop
  • 25h 50m total
  • Australia to Chicago
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($67 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($28 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 29 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

Sun 5/7

09:30-21:03

2 stops26h 33m

Chicago O'Hare Intl

Tue 21/7

16:45-08:15

2 stops24h 30m

$1,353

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 15/7

09:30-17:04

1 stop22h 34m

Chicago O'Hare Intl

Wed 29/7

16:12-07:30

2 stops24h 18m

$1,353
Fastest return journey

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sun 12/7

09:30-14:35

1 stop20h 05m

Chicago O'Hare Intl

Mon 27/7

15:57-07:30

2 stops24h 33m

$1,358

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 24/7

10:00-17:35

1 stop22h 35m

Chicago O'Hare Intl

Sun 2/8

18:12-07:50

2 stops46h 38m

$1,362

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 15/7

10:00-17:35

1 stop22h 35m

Chicago O'Hare Intl

Wed 29/7

08:27-07:50

2 stops32h 23m

$1,363

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 17/7

10:00-18:29

2 stops23h 29m

Chicago O'Hare Intl

Thu 13/8

19:25-07:50

2 stops45h 25m

$1,369

CoolangattaChicago

OOL - ORD

OOLORD

Coolangatta Gold Coast

Tue 20/10

06:00-18:24

2 stops27h 24m

Chicago O'Hare Intl

Sat 24/10

07:00-14:05

2 stops40h 05m

$1,569

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 23/10

10:15-16:49

2 stops22h 34m

Chicago O'Hare Intl

Fri 6/11

13:55-08:30

2 stops25h 35m

$1,593

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Sat 1/8

11:55-06:17

2 stops33h 22m

Chicago O'Hare Intl

Wed 5/8

07:15-10:35

3 stops36h 20m

$1,884

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Mon 13/7

22:15-21:10

1 stop37h 55m

Chicago O'Hare Intl

Sun 26/7

00:30-20:00

1 stop28h 30m

$1,908

Flights are sorted by cheapest return flights first.

Deals found on 24/5

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

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 $266). Flying from Australia to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $1,394). 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 55 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 29 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
648 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.4

Boarding

8.2

Crew

8.5

Food

7.4

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
648 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.4

Boarding

8.2

Crew

8.5

Food

7.4

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
1,042 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.4

Boarding

8.2

Crew

8.5

Food

7.4

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
9,766 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.4

Boarding

8.2

Crew

8.5

Food

7.4

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
11,644 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.4

Boarding

8.2

Crew

8.5

Food

7.4

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
11,101 reviews
Air New Zealand
8.0
Very Good
648 reviews
Check prices

Comfort

8.0

Overall

8.0

Entertainment

7.4

Boarding

8.2

Crew

8.5

Food

7.4

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 22h 34m. Fly via United Airlines, American Airlines, or Delta to get the fastest option. There are 14851 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, June is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $266). Flying from Australia to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $1,394). 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 29 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 29 May 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$585Average$1,644FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,061Average$1,621FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,076Average$1,532FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,230Average$1,965FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,236Average$1,908FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$1,339Average$2,055FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
ANACheapest$1,498Average$1,733FlexibilityNo cancel feeOn-time80%
Search ANA flights
Japan AirlinesCheapest$1,812Average$2,415FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Virgin AustraliaCheapest$2,128Average$2,155FlexibilityNo 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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