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O'Hare Intl

$425+ Cheap flights from Australia to O'Hare Intl (ORD)

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 3/25. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
Feb 27 — Mar 61
Thu 2/27
Thu 3/6
1 adult, Economy
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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 February 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$711
(BestPriceTravel)

One-way from

$425
(Mytrip)

Popular in

December

Cheapest in

February

Average price

$857
Provider with most accurate pricing for Sydney Kingsford Smith-Chicago (CHI) flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Chicago (CHI) flights.
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From Australia to Chicago O'Hare Intl
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One-way flight from Australia to Chicago O'Hare Intl
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Highest demand for flights based on searches. 11% potential increase in price ($141 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($39 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 22, 2025.

This Qantas Airways deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/110:00 pmBNE - ORD
1 stop24h 19mMultiple Airlines
Mon 3/178:15 amORD - BNE
1 stop29h 45mMultiple Airlines
Deal found 2/21$711
This BestPriceTravel deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/311:15 amSYD - ORD
1 stop21h 35mQantas Airways
Sat 8/1611:50 amORD - SYD
1 stop28h 15mQantas Airways
Deal found 2/19$711
This Expedia deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/19:40 amBNE - ORD
1 stop19h 16mQantas Airways
Mon 3/178:15 amORD - BNE
1 stop29h 45mQantas Airways
Deal found 2/21$718
This American Airlines deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 3/110:00 pmBNE - ORD
1 stop24h 19mAmerican Airlines
Mon 3/177:00 amORD - BNE
2 stops31h 00mAmerican Airlines
Deal found 2/21$722
This American Airlines deal was found by Cheapflights users on 2/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/2811:15 amSYD - ORD
2 stops26h 27mAmerican Airlines
Thu 3/138:20 pmORD - SYD
1 stop20h 40mAmerican Airlines
Deal found 2/19$760
This BestPriceTravel deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/66:20 amSYD - ORD
2 stops24h 41mMultiple Airlines
Fri 3/148:20 pmORD - SYD
1 stop20h 40mMultiple Airlines
Deal found 2/20$828
This BestPriceTravel deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/16:00 amMEL - ORD
2 stops32h 59mMultiple Airlines
Sun 6/811:55 amORD - MEL
2 stops40h 25mMultiple Airlines
Deal found 2/21$932
This BestPriceTravel deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/712:00 pmADL - ORD
2 stops42h 06mMultiple Airlines
Thu 8/282:23 pmORD - ADL
2 stops30h 17mMultiple Airlines
Deal found 2/20$964
This Air Canada deal was found by Cheapflights users on 2/21. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/210:00 amBNE - ORD
1 stop19h 43mAir Canada
Tue 7/110:40 amORD - BNE
2 stops29h 25mAir Canada
Deal found 2/21$977
This Jettzy deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Jettzy is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/289:20 amSYD - ORD
1 stop20h 29mAir Canada
Sun 9/218:25 pmORD - SYD
2 stops43h 55mAir Canada
Deal found 2/20$996
This Priceline deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 4/59:00 pmMEL - ORD
2 stops34h 56mQantas Airways
Sat 4/123:17 pmORD - MEL
1 stop24h 28mQantas Airways
Deal found 2/20$1,015
This BestPriceTravel deal was found by Cheapflights users on 2/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/61:00 pmMEL - ORD
1 stop21h 00mUnited Airlines
Thu 3/133:55 pmORD - MEL
1 stop24h 35mUnited Airlines
Deal found 2/20$1,062

Find flights from Australia to O'Hare Intl within your budget

Customize 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 2,558,603 searches. Data last updated February 22, 2025.

Fly from

Australia

Fly to

O'Hare Intl

Route

Depart

Return

Price

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 3/3

11:15 am-3:50 pm

1 stop21h 35m

Chicago O'Hare Intl

Sat 8/16

11:50 am-7:05 am

1 stop28h 15m

$711

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 3/6

6:20 am-2:01 pm

2 stops24h 41m

Chicago O'Hare Intl

Fri 3/14

8:20 pm-9:00 am

1 stop20h 40m

$828

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 4/9

5:10 pm-3:56 pm

2 stops37h 46m

Chicago O'Hare Intl

Thu 4/24

7:20 pm-10:50 am

2 stops24h 30m

$917

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Thu 5/1

6:00 am-11:59 pm

2 stops32h 59m

Chicago O'Hare Intl

Sun 6/8

11:55 am-7:20 pm

2 stops40h 25m

$932

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 8/7

12:00 pm-3:36 pm

2 stops42h 06m

Chicago O'Hare Intl

Thu 8/28

2:23 pm-11:10 am

2 stops30h 17m

$964

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 3/6

11:50 am-4:19 pm

2 stops21h 29m

Chicago O'Hare Intl

Thu 3/13

8:20 pm-9:00 am

1 stop20h 40m

$973

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Mon 6/2

10:00 am-7:59 am

2 stops36h 59m

Chicago O'Hare Intl

Tue 7/1

10:40 am-7:05 am

2 stops29h 25m

$977

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 5/6

9:20 am-4:48 pm

2 stops46h 28m

Chicago O'Hare Intl

Tue 5/20

10:00 am-7:20 am

2 stops30h 20m

$1,005

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Sat 4/5

9:00 pm-3:56 pm

2 stops34h 56m

Chicago O'Hare Intl

Sat 4/12

3:17 pm-6:45 am

1 stop24h 28m

$1,015

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Fri 7/18

7:20 pm-3:55 pm

2 stops35h 35m

Chicago O'Hare Intl

Mon 8/4

6:26 pm-1:35 pm

2 stops28h 09m

$1,029

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/21

Showing 1-10 of 60 results
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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 round-trip 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.

Travel insights for flights from Australia to O'Hare Intl

Get recent, data-driven insights about flights from Australia to O'Hare Intl including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Australia to Chicago O'Hare Intl Airport?

Currently, August is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $245). Flying from Australia to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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.

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 February 22, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Australia to Chicago O'Hare Intl Airport as you normally would.

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 1.7 - 4.9 inches per month. August is typically the wettest month, when rainfall can reach 4.9 in. January is typically the driest time to visit Chicago O'Hare Intl Airport when rainfall is around 1.7 in.

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 73.4 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 23.0 F).

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 February 22, 2025.
To help decide which airline to fly from Australia to Chicago, see what other customers have to say about Air Tahiti Nui, EVA Air and ANA. 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

Entertainment

7.2

Crew

9.1

Comfort

8.0

Overall

8.7

Boarding

8.7

Food

7.8

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

Entertainment

7.2

Crew

9.1

Comfort

8.0

Overall

8.7

Boarding

8.7

Food

7.8

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
1,200 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Crew

9.1

Comfort

8.0

Overall

8.7

Boarding

8.7

Food

7.8

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
8.4
Very good
836 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Crew

9.1

Comfort

8.0

Overall

8.7

Boarding

8.7

Food

7.8

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

Entertainment

7.2

Crew

9.1

Comfort

8.0

Overall

8.7

Boarding

8.7

Food

7.8

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.

Emirates
8.1
Very good
3,278 reviews
Air Tahiti Nui
8.7
Very good
61 reviews

Entertainment

7.2

Crew

9.1

Comfort

8.0

Overall

8.7

Boarding

8.7

Food

7.8

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?

    To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $434. American Airlines flights start at $455 while deals on EVA Air start at $770 one-way.

  • What are the most popular routes from Australia to Chicago O'Hare Intl Airport?

    The most popular flight routes from Australia to Chicago O'Hare Intl Airport are Melbourne - Chicago O'Hare Intl, Sydney Kingsford Smith - Chicago O'Hare Intl and 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 vacation 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, August is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $245). Flying from Australia to Chicago O'Hare Intl Airport in March is currently the most expensive (average of $321). 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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Top 3 airlines flying from Australia to O'Hare Intl

Discover the top 3 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 2,558,603 searches. Data last updated February 22, 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$631Average$956FlexibilityNo cancel feeOn-time74%
American AirlinesCheapest$851Average$1,264FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$964Average$1,549FlexibilityNo cancel feeOn-time69%
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