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Cheap flights from Australia to Chicago O'Hare Intl Airport from $900

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
6 Jul — 13 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 6 June 2026.

Wed 10/609:45
MEL
-
ORD
1 stop22h 58m
American Airlines
Fri 26/622:34
ORD
-
MEL
1 stop41h 11m
American Airlines
Deal found 2/6$1,350
Sat 6/610:55
MEL
-
ORD
2 stops24h 34m
United Airlines
Tue 16/614:30
ORD
-
MEL
2 stops26h 45m
United Airlines
Deal found 5/6$1,360
Mon 15/610:55
MEL
-
ORD
1 stop29h 04m
United Airlines
Wed 24/613:11
ORD
-
MEL
1 stop27h 19m
United Airlines
Deal found 2/6$1,365
Sun 12/710:55
MEL
-
ORD
1 stop25h 08m
United Airlines
Mon 27/714:30
ORD
-
MEL
1 stop26h 00m
United Airlines
Deal found 3/6$1,367
Fri 24/710:00
MEL
-
ORD
1 stop28h 18m
Delta
Sun 2/819:17
ORD
-
MEL
2 stops45h 33m
Delta
Deal found 5/6$1,370
Sun 19/710:00
MEL
-
ORD
1 stop22h 35m
Delta
Wed 29/712:27
ORD
-
MEL
2 stops28h 23m
Delta
Deal found 4/6$1,374
Fri 12/610:00
MEL
-
ORD
2 stops25h 31m
Delta
Wed 24/611:30
ORD
-
MEL
2 stops29h 20m
Delta
Deal found 2/6$1,375
Sun 14/606:00
MEL
-
ORD
2 stops23h 18m
American Airlines
Tue 23/608:19
ORD
-
MEL
2 stops31h 26m
American Airlines
Deal found 2/6$1,382
Fri 12/616:35
MEL
-
ORD
2 stops27h 25m
American Airlines
Sat 27/615:00
ORD
-
MEL
2 stops24h 45m
American Airlines
Deal found 2/6$1,384
Fri 24/709:30
MEL
-
ORD
1 stop28h 46m
Air New Zealand
Sun 2/821:30
ORD
-
MEL
1 stop43h 00m
Air New Zealand
Deal found 5/6$1,387
Thu 29/1011:15
SYD
-
ORD
1 stop34h 46m
American Airlines
Sun 1/1110:15
ORD
-
SYD
1 stop26h 55m
American Airlines
Deal found 3/6$1,433
Mon 2/1111:15
SYD
-
ORD
2 stops23h 38m
American Airlines
Sat 14/1122:10
ORD
-
SYD
1 stop41h 50m
American Airlines
Deal found 2/6$1,442

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 June 2026.

Round-trip from

$1,351

One-way from

$900

Popular in

December

Cheapest in

August

Average price

$1,832
United Airlines
  • United Airlines
  • 12/7-27/7
  • 2 total stops
  • 51h 53m total
  • Australia to Chicago
Search Deals
American Airlines
  • American Airlines
  • 15/10
  • 1 total stop
  • 23h 35m 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 June 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 June 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

Fri 24/7

10:00-23:18

1 stop28h 18m

Chicago O'Hare Intl

Sun 2/8

19:40-07:50

2 stops45h 10m

$1,363

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Tue 21/7

10:55-22:49

2 stops26h 54m

Chicago O'Hare Intl

Thu 30/7

07:00-08:15

2 stops34h 15m

$1,365

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sun 12/7

09:30-00:59

2 stops30h 29m

Chicago O'Hare Intl

Mon 27/7

18:10-07:30

1 stop22h 20m

$1,367
Fastest return journey

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 22/7

09:30-14:35

1 stop20h 05m

Chicago O'Hare Intl

Wed 2/9

10:40-07:30

2 stops29h 50m

$1,367

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sun 19/7

10:00-21:29

2 stops26h 29m

Chicago O'Hare Intl

Wed 29/7

07:45-07:50

2 stops33h 05m

$1,370

CoolangattaChicago

OOL - ORD

OOLORD

Coolangatta Gold Coast

Tue 20/10

06:00-20:33

2 stops29h 33m

Chicago O'Hare Intl

Sat 24/10

06:00-14:05

2 stops41h 05m

$1,568

TownsvilleChicago

TSV - ORD

TSVORD

Townsville

Sat 7/11

06:00-12:09

2 stops46h 09m

Chicago O'Hare Intl

Wed 11/11

18:52-11:05

2 stops48h 13m

$1,785

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 25/8

09:15-18:49

2 stops24h 34m

Chicago O'Hare Intl

Wed 7/10

13:35-07:50

2 stops26h 15m

$1,924

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 21/7

22:15-21:10

1 stop37h 55m

Chicago O'Hare Intl

Tue 28/7

20:20-20:00

2 stops32h 40m

$2,008

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 24/6

09:30-05:46

1 stop35h 16m

Chicago O'Hare Intl

Wed 15/7

08:50-08:15

1 stop32h 25m

$2,114

Flights are sorted by cheapest return flights first.

Deals found on 5/6

Showing 1-10 of 60 resultsSorted by cheapest first
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2
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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 $268). Flying from Australia to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $1,402). 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 56 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 6 June 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
645 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Crew

8.5

Food

7.4

Boarding

8.2

Overall

8.0

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

Comfort

7.9

Entertainment

7.4

Crew

8.5

Food

7.4

Boarding

8.2

Overall

8.0

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
1,044 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Crew

8.5

Food

7.4

Boarding

8.2

Overall

8.0

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
9,780 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Crew

8.5

Food

7.4

Boarding

8.2

Overall

8.0

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
11,652 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Crew

8.5

Food

7.4

Boarding

8.2

Overall

8.0

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
11,129 reviews
Air New Zealand
8.0
Very Good
645 reviews
Check prices

Comfort

7.9

Entertainment

7.4

Crew

8.5

Food

7.4

Boarding

8.2

Overall

8.0

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 26h 54m. Fly via Delta, United Airlines, or American Airlines 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 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 $268). Flying from Australia to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $1,402). 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 6 June 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 June 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$588Average$1,722FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,067Average$1,658FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,082Average$1,541FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,237Average$1,974FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,244Average$1,927FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Cathay PacificCheapest$1,347Average$2,067FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
ANACheapest$1,506Average$1,743FlexibilityNo cancel feeOn-time80%
Search ANA flights
Japan AirlinesCheapest$1,822Average$2,626FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Virgin AustraliaCheapest$2,140Average$2,167FlexibilityNo 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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