Find flights
When to book
Airlines
FAQs

Cheap flights from Australia to Chicago O'Hare Intl Airport from $580

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 18/4. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
6 Apr — 13 Apr1
1 adult

Cheap 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 April 2025.

Round-trip from

$1,518

One-way from

$580

Popular in

December

Cheapest in

February

Average price

$1,384
Air Canada
  • Air Canada
  • 10/6-17/6
  • 4 total stops
  • 70h 50m total
  • Australia to Chicago
Search Deals
18/4
  • 18/4
  • 2 total stops
  • 38h 10m total
  • Australia to Chicago
Search Deals
Highest demand for flights based on searches. 14% potential increase in price ($466 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($106 potential savings vs. average return price).
Search Deals
Average for round-trip flights in April 2025
Search Deals

Find flight deals from Australia to O'Hare Intl

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 April 2025.

Tue 10/610:20BNE - ORD
2 stops41h 25mAir Canada
Tue 17/610:40ORD - BNE
2 stops29h 25mAir Canada
Deal found 30/3$1,518
Thu 22/509:20SYD - ORD
2 stops44h 45mAir Canada
Wed 4/615:35ORD - SYD
1 stop24h 45mAir Canada
Deal found 31/3$1,652
Thu 10/412:55MEL - ORD
3 stops31h 50mMultiple Airlines
Thu 17/411:53ORD - MEL
2 stops32h 37mMultiple Airlines
Deal found 1/4$1,668
Thu 9/1006:30MEL - ORD
3 stops28h 59mAir Canada
Mon 20/1015:40ORD - MEL
2 stops28h 55mAir Canada
Deal found 31/3$1,710
Fri 2/506:00SYD - ORD
3 stops38h 45mMultiple Airlines
Fri 9/521:08ORD - SYD
3 stops47h 37mMultiple Airlines
Deal found 1/4$1,766
Wed 8/1000:45MEL - ORD
1 stop29h 40mCathay Pacific
Mon 20/1016:00ORD - MEL
1 stop28h 15mCathay Pacific
Deal found 31/3$1,855
Thu 1/507:40SYD - ORD
1 stop45h 45mCathay Pacific
Mon 5/516:00ORD - SYD
1 stop27h 50mCathay Pacific
Deal found 31/3$2,026
Wed 3/912:25PER - ORD
2 stops33h 40mJapan Airlines
Sun 7/901:05ORD - PER
2 stops34h 35mJapan Airlines
Deal found 31/3$2,050
Wed 18/610:55MEL - ORD
1 stop21h 07mUnited Airlines
Tue 24/621:40ORD - MEL
1 stop42h 50mUnited Airlines
Deal found 31/3$2,069
Wed 7/520:55SYD - ORD
1 stop26h 45mANA
Sun 25/507:10ORD - SYD
2 stops45h 05mANA
Deal found 1/4$2,111
Tue 13/512:35BNE - ORD
1 stop40h 50mCathay Pacific
Wed 28/516:00ORD - BNE
1 stop39h 25mCathay Pacific
Deal found 31/3$2,120
Mon 11/809:45MEL - ORD
1 stop22h 57mQantas Airways
Mon 22/1215:40ORD - MEL
1 stop22h 55mQantas Airways
Deal found 31/3$2,211

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 April 2025.
Use the filters below to find and compare flights from Australia to Chicago O'Hare Intl Airport that are best for you.

Fly from

Australia

Fly to

O'Hare Intl

Route

Depart

Return

Price

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Tue 10/6

10:20-12:45

2 stops41h 25m

Chicago O'Hare Intl

Tue 17/6

10:40-07:05

2 stops29h 25m

$1,518

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 22/5

09:20-15:05

2 stops44h 45m

Chicago O'Hare Intl

Wed 4/6

15:35-07:20

1 stop24h 45m

$1,652

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 2/5

06:00-05:45

3 stops38h 45m

Chicago O'Hare Intl

Fri 9/5

21:08-11:45

3 stops47h 37m

$1,766

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Tue 12/8

06:00-14:49

2 stops23h 49m

Chicago O'Hare Intl

Mon 22/12

15:40-15:45

2 stops31h 05m

$1,903

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 24/7

06:00-14:49

2 stops23h 49m

Chicago O'Hare Intl

Sun 27/7

15:35-11:05

2 stops28h 30m

$2,005

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 1/5

07:40-14:25

1 stop45h 45m

Chicago O'Hare Intl

Mon 5/5

16:00-10:50

1 stop27h 50m

$2,026

PerthChicago

PER - ORD

PERORD

Perth

Wed 3/9

12:25-09:05

2 stops33h 40m

Chicago O'Hare Intl

Sun 7/9

01:05-00:40

2 stops34h 35m

$2,050

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 7/7

11:50-08:40

1 stop35h 50m

Chicago O'Hare Intl

Wed 30/7

19:40-19:15

2 stops32h 35m

$2,064

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Wed 18/6

10:55-17:02

1 stop21h 07m

Chicago O'Hare Intl

Tue 24/6

21:40-07:30

1 stop42h 50m

$2,069

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 8/7

09:30-14:42

1 stop20h 12m

Chicago O'Hare Intl

Wed 30/7

15:54-06:55

1 stop24h 01m

$2,095

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 57 results
1
2
3
...
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 time of day to fly from AU to ORD?

Find hourly flight availability from Australia to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 1 April 2025.

When flying from Australia to Chicago O'Hare Intl Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Chicago O'Hare Intl Airport ranges from 43.0 - 125.0 inches per month. August is typically the wettest month, when rainfall can reach 125.0 mm. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 43.0 mm.

Temperature in O'Hare Intl by month

Plan your trip to O'Hare Intl by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Chicago O'Hare Intl Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -5.0 C).

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 April 2025.
Read through reviews of airlines operating flights from Australia to Chicago, such as Air Tahiti Nui, EVA Air and Japan Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Entertainment

7.2

Boarding

8.7

Crew

9.1

Overall

8.7

Comfort

8.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Air Tahiti Nui
8.7
Very Good
61 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Entertainment

7.2

Boarding

8.7

Crew

9.1

Overall

8.7

Comfort

8.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
EVA Air
8.4
Very Good
1,170 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Entertainment

7.2

Boarding

8.7

Crew

9.1

Overall

8.7

Comfort

8.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Japan Airlines
8.3
Very Good
1,440 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Entertainment

7.2

Boarding

8.7

Crew

9.1

Overall

8.7

Comfort

8.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
ANA
8.3
Very Good
830 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Entertainment

7.2

Boarding

8.7

Crew

9.1

Overall

8.7

Comfort

8.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.
Singapore Airlines
8.1
Very Good
1,286 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Food

7.8

Entertainment

7.2

Boarding

8.7

Crew

9.1

Overall

8.7

Comfort

8.0

Reviews

1 / 2
10.0
Excellent

Isabelle,Apr 2023

AKL - PPT

Les sièges sont étroits, je mesure 1,77 m, les passants dans le couloirs notamment l'équipage n'arrêtaient pas de me cogner. nous étions en économie. l'équipage est au top. C'est le confort qui était négatif pour nous.

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.

  • 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 EVA Air ($1,123), Cathay Pacific ($1,253), and Air Canada ($1,422).

  • 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 Adelaide - 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.

See more FAQs

Travelling to a place near Australia?

Book flights to Australia if you plan to visit one of these locations
Arlington Heights
Skokie

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 10 airlines flying from Australia to O'Hare Intl

Discover the top 10 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 April 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$732Average$1,902FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Qantas AirwaysCheapest$1,016Average$1,824FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,234Average$1,854FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Air CanadaCheapest$1,329Average$1,950FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,622Average$2,375FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapest$1,687Average$2,180FlexibilityNo cancel feeOn-time80%
Search ANA flights
Virgin AustraliaCheapest$1,773Average$2,853FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
DeltaCheapest$1,868Average$2,003FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Cathay PacificCheapest$2,091Average$2,451FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Japan AirlinesCheapest$2,118Average$2,662FlexibilityNo cancel feeOn-time79%
Search Japan Airlines 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.

100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.