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Cheap flights from Australia to Chicago O'Hare Intl Airport from $780

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 25/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
11 Jun — 18 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 12 May 2026.

Sat 6/609:45
MEL
-
ORD
1 stop25h 10m
Qantas Airways
Sat 13/614:59
ORD
-
MEL
1 stop23h 01m
Qantas Airways
Deal found 9/5$1,317
Wed 27/513:35
MEL
-
ORD
1 stop21h 46m
Qantas Airways
Wed 3/615:20
ORD
-
MEL
1 stop24h 25m
Qantas Airways
Deal found 7/5$1,318
Fri 5/609:45
MEL
-
ORD
1 stop29h 13m
Qantas Airways
Fri 12/618:20
ORD
-
MEL
1 stop43h 40m
Qantas Airways
Deal found 8/5$1,327
Sat 16/509:45
MEL
-
ORD
2 stops23h 15m
American Airlines
Fri 5/622:34
ORD
-
MEL
1 stop41h 11m
American Airlines
Deal found 9/5$1,333
Mon 11/509:45
MEL
-
ORD
2 stops23h 15m
American Airlines
Tue 19/513:36
ORD
-
MEL
1 stop26h 09m
American Airlines
Deal found 7/5$1,335
Tue 19/509:45
MEL
-
ORD
2 stops25h 24m
American Airlines
Tue 2/611:50
ORD
-
MEL
2 stops27h 55m
American Airlines
Deal found 10/5$1,336
Fri 15/509:45
MEL
-
ORD
1 stop22h 56m
American Airlines
Thu 28/515:02
ORD
-
MEL
2 stops24h 43m
American Airlines
Deal found 11/5$1,338
Mon 1/609:45
MEL
-
ORD
2 stops23h 12m
American Airlines
Mon 22/617:10
ORD
-
MEL
1 stop22h 35m
American Airlines
Deal found 7/5$1,342
Fri 22/509:30
MEL
-
ORD
1 stop20h 05m
United Airlines
Thu 4/616:45
ORD
-
MEL
2 stops24h 30m
United Airlines
Deal found 9/5$1,349
Sun 10/509:30
MEL
-
ORD
1 stop19h 53m
United Airlines
Mon 18/516:10
ORD
-
MEL
2 stops24h 20m
United Airlines
Deal found 7/5$1,350
Tue 8/909:10
SYD
-
ORD
2 stops25h 42m
American Airlines
Mon 21/919:01
ORD
-
SYD
1 stop21h 04m
American Airlines
Deal found 11/5$1,426
Thu 10/909:15
SYD
-
ORD
2 stops24h 24m
Delta
Mon 21/915:50
ORD
-
SYD
2 stops24h 00m
Delta
Deal found 11/5$1,452

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 12 May 2026.

Round-trip from

$1,317

One-way from

$780

Popular in

December

Cheapest in

August

Average price

$1,610
Qantas Airways
  • Qantas Airways
  • 6/6-13/6
  • 2 total stops
  • 48h 11m total
  • Australia to Chicago
Search Deals
25/8
  • 25/8
  • 2 total stops
  • 32h 04m total
  • Australia to Chicago
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($66 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($27 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 12 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
Fastest return journey

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 22/5

10:55-16:38

1 stop20h 43m

Chicago O'Hare Intl

Sun 31/5

18:20-08:15

1 stop22h 55m

$1,349

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Mon 1/6

10:55-20:11

2 stops24h 16m

Chicago O'Hare Intl

Tue 30/6

16:12-08:15

2 stops25h 03m

$1,350

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 11/6

10:55-16:38

1 stop20h 43m

Chicago O'Hare Intl

Thu 18/6

16:30-08:15

1 stop24h 45m

$1,351

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Fri 22/5

10:00-18:50

2 stops23h 50m

Chicago O'Hare Intl

Wed 3/6

07:45-07:50

2 stops33h 05m

$1,360

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Mon 8/6

06:00-19:28

2 stops27h 58m

Chicago O'Hare Intl

Mon 22/6

08:05-11:15

2 stops36h 40m

$1,793

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 8/6

06:25-16:41

2 stops25h 16m

Chicago O'Hare Intl

Mon 15/6

15:50-06:55

1 stop24h 05m

$2,093

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 11/6

09:10-15:49

1 stop21h 39m

Chicago O'Hare Intl

Wed 22/7

15:21-09:45

2 stops27h 24m

$2,153

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 5/11

12:10-12:55

1 stop40h 45m

Chicago O'Hare Intl

Mon 9/11

14:35-10:30

1 stop27h 55m

$2,164

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 2/6

20:45-18:50

2 stops37h 05m

Chicago O'Hare Intl

Tue 23/6

17:42-18:50

2 stops34h 08m

$2,178

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Mon 1/6

00:05-13:55

1 stop28h 50m

Chicago O'Hare Intl

Mon 8/6

16:15-22:30

1 stop39h 15m

$2,265

Flights are sorted by cheapest return flights first.

Deals found on 12/5

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 $262). Flying from Australia to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $1,374). 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 12 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
642 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.4

Food

7.4

Boarding

8.2

Comfort

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

Crew

8.5

Overall

8.0

Entertainment

7.4

Food

7.4

Boarding

8.2

Comfort

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
1,035 reviews
Air New Zealand
8.0
Very Good
642 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.4

Food

7.4

Boarding

8.2

Comfort

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
9,701 reviews
Air New Zealand
8.0
Very Good
642 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.4

Food

7.4

Boarding

8.2

Comfort

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
11,661 reviews
Air New Zealand
8.0
Very Good
642 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.4

Food

7.4

Boarding

8.2

Comfort

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
11,019 reviews
Air New Zealand
8.0
Very Good
642 reviews
Check prices

Crew

8.5

Overall

8.0

Entertainment

7.4

Food

7.4

Boarding

8.2

Comfort

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 20h 43m. Fly via United Airlines, Qantas Airways, or Cathay Pacific 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 ($692), American Airlines ($964), and United Airlines ($1,004).

  • 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 Perth - 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 $262). Flying from Australia to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $1,374). 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 12 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 12 May 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$576Average$1,410FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$932Average$1,834FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,046Average$1,600FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,060Average$1,510FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
United AirlinesCheapest$1,212Average$1,893FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Cathay PacificCheapest$1,319Average$1,887FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
ANACheapest$1,450Average$1,708FlexibilityNo cancel feeOn-time80%
Search ANA flights
Japan AirlinesCheapest$1,785Average$2,379FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Virgin AustraliaCheapest$2,096Average$2,123FlexibilityNo 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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