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Cheap flights from Australia to Chicago O'Hare Intl Airport from $729

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 15/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
9 lug — 16 lug1
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 4 luglio 2025.

Round-trip from

$1,436

One-way from

$729

Popular in

December

Cheapest in

March

Average price

$1,607
13/8-20/8
  • 13/8-20/8
  • 4 total stops
  • 69h 05m total
  • Australia to Chicago
Search Deals
15/8
  • 15/8
  • 2 total stops
  • 31h 25m total
  • Australia to Chicago
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($554 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($117 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 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 4 luglio 2025.

mer 13/813:15SYD - ORD
2 stops31h 25mMultiple Airlines
mer 20/807:05ORD - SYD
2 stops37h 40mMultiple Airlines
Deal found 2/7$1,436
ven 8/811:35BNE - ORD
2 stops32h 50mMultiple Airlines
gio 14/807:05ORD - BNE
2 stops36h 20mMultiple Airlines
Deal found 2/7$1,453
ven 1/809:45MEL - ORD
1 stop41h 39mAmerican Airlines
ven 15/807:05ORD - MEL
2 stops30h 55mAmerican Airlines
Deal found 2/7$1,558
ven 8/813:45MEL - ORD
2 stops30h 40mMultiple Airlines
mar 12/806:40ORD - MEL
2 stops37h 50mMultiple Airlines
Deal found 2/7$1,596
lun 13/1022:15BNE - ORD
1 stop37h 30mEVA Air
gio 6/1123:30ORD - BNE
1 stop28h 50mEVA Air
Deal found 2/7$1,611
gio 24/711:50SYD - ORD
2 stops27h 09mAir New Zealand
lun 3/1115:43ORD - SYD
2 stops24h 02mAir New Zealand
Deal found 2/7$1,619
sab 16/811:55OOL - ORD
2 stops33h 25mAir New Zealand
sab 23/814:35ORD - OOL
2 stops29h 10mAir New Zealand
Deal found 1/7$1,628
ven 14/1110:35MEL - ORD
2 stops25h 15mAir New Zealand
ven 28/1112:45ORD - MEL
2 stops27h 40mAir New Zealand
Deal found 3/7$1,646
lun 25/809:45BNE - ORD
2 stops26h 39mAir New Zealand
lun 15/914:35ORD - BNE
2 stops29h 25mAir New Zealand
Deal found 2/7$1,649
lun 20/1011:55ADL - ORD
2 stops24h 00mAir New Zealand
mar 18/1110:42ORD - ADL
2 stops31h 43mAir New Zealand
Deal found 1/7$1,654
lun 13/1023:55BNE - ORD
1 stop29h 30mCathay Pacific
lun 3/1114:40ORD - BNE
1 stop40h 00mCathay Pacific
Deal found 2/7$1,692
ven 8/809:10SYD - ORD
1 stop30h 02mAmerican Airlines
gio 28/806:45ORD - SYD
1 stop32h 20mAmerican Airlines
Deal found 3/7$1,698

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 4 luglio 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

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

mer 13/8

13:15-05:40

2 stops31h 25m

Chicago O'Hare Intl

mer 20/8

07:05-11:45

2 stops37h 40m

$1,436

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

ven 8/8

11:35-05:25

2 stops32h 50m

Chicago O'Hare Intl

gio 14/8

07:05-10:25

2 stops36h 20m

$1,453

MelbourneChicago

MEL - ORD

MELORD

Melbourne

ven 1/8

09:45-12:24

1 stop41h 39m

Chicago O'Hare Intl

ven 15/8

07:05-05:00

2 stops30h 55m

$1,558

MelbourneChicago

MEL - ORD

MELORD

Melbourne

ven 8/8

13:45-05:25

2 stops30h 40m

Chicago O'Hare Intl

mar 12/8

06:40-11:30

2 stops37h 50m

$1,596

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

lun 13/10

22:15-20:45

1 stop37h 30m

Chicago O'Hare Intl

gio 6/11

23:30-20:20

1 stop28h 50m

$1,611

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

gio 24/7

11:50-23:59

2 stops27h 09m

Chicago O'Hare Intl

lun 3/11

15:43-08:45

2 stops24h 02m

$1,619

CoolangattaChicago

OOL - ORD

OOLORD

Coolangatta Gold Coast

sab 16/8

11:55-06:20

2 stops33h 25m

Chicago O'Hare Intl

sab 23/8

14:35-10:45

2 stops29h 10m

$1,628

MelbourneChicago

MEL - ORD

MELORD

Melbourne

ven 14/11

10:35-18:50

2 stops25h 15m

Chicago O'Hare Intl

ven 28/11

12:45-09:25

2 stops27h 40m

$1,646

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

lun 25/8

09:45-21:24

2 stops26h 39m

Chicago O'Hare Intl

lun 15/9

14:35-11:00

2 stops29h 25m

$1,649

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

lun 20/10

11:55-20:25

2 stops24h 00m

Chicago O'Hare Intl

mar 18/11

10:42-10:55

2 stops31h 43m

$1,654

Flights are sorted by cheapest return flights first.

Deals found on 2/7

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 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 4 luglio 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.

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 4 luglio 2025.
See what other customers who have flown with EVA Air, ANA, andJapan 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.
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
EVA Air
8.4
Very Good
1,215 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
ANA
8.4
Very Good
893 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Japan Airlines
8.3
Very Good
1,504 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Emirates
8.1
Very Good
3,287 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount
Singapore Airlines
8.1
Very Good
1,320 reviews
EVA Air
8.4
Very Good
1,215 reviews
Check prices

Boarding

8.4

Food

8.1

Crew

8.6

Comfort

8.3

Entertainment

8.0

Overall

8.4

Reviews

1 / 20
10.0
Excellent

Dale,May 2025

TPE - SFO

Flight staff were very courteous and efficient. Aircraft (seats, lavatories, etc) kept clean and replenished. Food service was timed perfectly and was delicious and had right amount

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 Cathay Pacific ($981), Etihad Airways ($1,013), and American Airlines ($1,067).

  • 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 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.

See more FAQs

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 4 luglio 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$973Average$1,657FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,176Average$1,681FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,265Average$1,853FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,457Average$1,630FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Cathay PacificCheapest$1,480Average$2,251FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
United AirlinesCheapest$1,564Average$2,253FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapest$1,597Average$1,766FlexibilityNo cancel feeOn-time80%
Search ANA flights
Virgin AustraliaCheapest$1,753Average$2,787FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Japan AirlinesCheapest$2,017Average$2,263FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Qatar AirwaysCheapest$2,483Average$2,750FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights

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Why should you use Cheapflights to find cheap flight tickets from Australia to O'Hare Intl?

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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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