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Cheap flights from Australia to Chicago O'Hare Intl Airport from $799

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 30/7. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
23 Apr — 30 Apr1
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 24 March 2026.

Sat 18/411:55
BNE
-
ORD
2 stops26h 32m
Multiple Airlines
Sat 25/408:00
ORD
-
BNE
2 stops35h 40m
Multiple Airlines
Deal found 21/3$1,258
Wed 13/513:25
MEL
-
ORD
2 stops23h 39m
Multiple Airlines
Sat 16/515:00
ORD
-
MEL
2 stops30h 00m
Multiple Airlines
Deal found 22/3$1,271
Sun 3/513:30
MEL
-
ORD
2 stops31h 05m
Multiple Airlines
Sun 10/505:15
ORD
-
MEL
2 stops40h 10m
Multiple Airlines
Deal found 19/3$1,275
Fri 1/513:15
SYD
-
ORD
2 stops25h 12m
Multiple Airlines
Sat 9/515:00
ORD
-
SYD
2 stops29h 50m
Multiple Airlines
Deal found 23/3$1,280
Tue 21/409:20
SYD
-
ORD
1 stop20h 25m
Air Canada
Tue 28/407:13
ORD
-
SYD
2 stops33h 07m
Air Canada
Deal found 22/3$1,282
Fri 1/511:35
BNE
-
ORD
2 stops26h 52m
Multiple Airlines
Wed 6/507:30
ORD
-
BNE
2 stops36h 05m
Multiple Airlines
Deal found 20/3$1,287
Tue 5/509:20
SYD
-
ORD
2 stops44h 33m
Air Canada
Tue 12/515:40
ORD
-
SYD
1 stop24h 40m
Air Canada
Deal found 21/3$1,288
Mon 4/509:20
SYD
-
ORD
2 stops49h 48m
Air Canada
Mon 11/515:40
ORD
-
SYD
1 stop24h 40m
Air Canada
Deal found 20/3$1,290
Thu 16/409:20
SYD
-
ORD
2 stops49h 45m
Air Canada
Wed 29/415:40
ORD
-
SYD
1 stop24h 40m
Air Canada
Deal found 20/3$1,291
Thu 7/513:30
MEL
-
ORD
2 stops31h 05m
Multiple Airlines
Thu 14/505:15
ORD
-
MEL
2 stops39h 45m
Multiple Airlines
Deal found 23/3$1,292
Wed 6/509:20
SYD
-
ORD
2 stops22h 41m
Air Canada
Wed 13/508:45
ORD
-
SYD
2 stops31h 35m
Air Canada
Deal found 22/3$1,297
Wed 6/510:00
BNE
-
ORD
1 stop19h 45m
Air Canada
Wed 13/515:40
ORD
-
BNE
1 stop24h 25m
Air Canada
Deal found 22/3$1,298

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 24 March 2026.

Round-trip from

$1,258

One-way from

$799

Popular in

December

Cheapest in

August

Average price

$1,590
18/4-25/4
  • 18/4-25/4
  • 4 total stops
  • 62h 12m total
  • Australia to Chicago
Search Deals
30/7
  • 30/7
  • 3 total stops
  • 36h 59m total
  • Australia to Chicago
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($104 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($32 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 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 24 March 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

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Mon 4/5

19:05-14:45

2 stops34h 40m

Chicago O'Hare Intl

Mon 11/5

15:40-07:05

1 stop24h 25m

$1,335

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 28/5

10:15-17:05

2 stops21h 50m

Chicago O'Hare Intl

Mon 1/6

08:45-07:05

2 stops31h 20m

$1,348

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 4/6

10:15-11:20

2 stops40h 05m

Chicago O'Hare Intl

Mon 8/6

15:40-07:05

1 stop24h 25m

$1,361

MelbourneChicago

MEL - ORD

MELORD

Melbourne

Tue 5/5

06:00-14:45

2 stops23h 45m

Chicago O'Hare Intl

Tue 12/5

15:40-11:05

2 stops28h 25m

$1,397

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Thu 28/5

10:15-17:05

2 stops21h 50m

Chicago O'Hare Intl

Thu 11/6

15:40-14:30

2 stops31h 50m

$1,410

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Wed 27/5

10:00-14:45

1 stop19h 45m

Chicago O'Hare Intl

Thu 11/6

15:40-11:30

2 stops28h 50m

$1,410

BrisbaneChicago

BNE - ORD

BNEORD

Brisbane

Sun 24/5

10:00-16:34

2 stops21h 34m

Chicago O'Hare Intl

Mon 8/6

14:15-07:05

2 stops25h 50m

$1,462

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Wed 6/5

17:15-14:45

2 stops36h 00m

Chicago O'Hare Intl

Wed 13/5

15:40-11:50

2 stops29h 40m

$1,464

AdelaideChicago

ADL - ORD

ADLORD

Adelaide

Thu 7/5

20:00-14:45

2 stops33h 15m

Chicago O'Hare Intl

Thu 14/5

15:40-11:05

2 stops28h 55m

$1,501

CoolangattaChicago

OOL - ORD

OOLORD

Coolangatta Gold Coast

Tue 5/5

06:00-14:45

2 stops23h 45m

Chicago O'Hare Intl

Tue 12/5

14:15-15:40

3 stops34h 25m

$1,544

Flights are sorted by cheapest return flights first.

Deals found on 18/3

Showing 1-10 of 60 resultsSorted by cheapest first
1
2
3
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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, April is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $958). Flying from Australia to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $1,517). 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 24 March 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
619 reviews
Check prices

Entertainment

7.4

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.4

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

Entertainment

7.4

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.4

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
1,009 reviews
Air New Zealand
8.0
Very Good
619 reviews
Check prices

Entertainment

7.4

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.4

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
9,471 reviews
Air New Zealand
8.0
Very Good
619 reviews
Check prices

Entertainment

7.4

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.4

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
11,491 reviews
Air New Zealand
8.0
Very Good
619 reviews
Check prices

Entertainment

7.4

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.4

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
10,837 reviews
Air New Zealand
8.0
Very Good
619 reviews
Check prices

Entertainment

7.4

Comfort

8.0

Crew

8.5

Overall

8.0

Boarding

8.2

Food

7.4

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 25m. Fly via Air Canada or United Airlines to get the fastest option. There are 14851 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 ($717), Air Canada ($754), and American Airlines ($998).

  • 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.

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

    Currently, April is the cheapest month in which you can book a flight from Australia to Chicago O'Hare Intl Airport (average of $958). Flying from Australia to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $1,517). 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 24 March 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 24 March 2026.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$967Average$1,902FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air CanadaCheapest$1,083Average$1,618FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,098Average$1,564FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
American AirlinesCheapest$1,115Average$1,512FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Cathay PacificCheapest$1,391Average$1,921FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
United AirlinesCheapest$1,414Average$2,019FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
ANACheapest$1,502Average$1,621FlexibilityNo cancel feeOn-time80%
Search ANA flights
Japan AirlinesCheapest$1,849Average$2,306FlexibilityNo cancel feeOn-time79%
Search Japan Airlines flights
Virgin AustraliaCheapest$2,171Average$2,199FlexibilityNo 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?

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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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