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Cheap flights from Sydney to Chicago O'Hare Intl Airport from $702

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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
13 Jul — 20 Jul1
1 adult

Cheapflights Tip: The best prices from Sydney Kingsford Smith to Chicago O'Hare Intl are usually found in February or May, booked 28 days in advance, depart on a Monday or Thursday and return on a Friday

Cheap flight deals from Sydney to O'Hare Intl

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 July 2025.

Round-trip from

$1,481

One-way from

$702

Popular in

December

Cheapest in

February

Average price

$1,294
20/8-27/8
  • 20/8-27/8
  • 4 total stops
  • 69h 20m total
  • Sydney to Chicago
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12/9
  • 12/9
  • 2 total stops
  • 29h 43m total
  • Sydney to Chicago
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Highest demand for flights based on searches. 21% potential increase in price ($646 potential increase over avg. return price).
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Cheapest flight prices on average. 6% potential price decrease ($153 potential savings vs. average return price).
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Average for round-trip flights in July 2025
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Find flight deals from Sydney to O'Hare Intl

Cheapest flights from Sydney to O'Hare Intl
Explore the most affordable flight options available from Sydney to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.

Wed 20/811:50SYD - ORD
2 stops32h 50mMultiple Airlines
Wed 27/807:05ORD - SYD
2 stops36h 30mMultiple Airlines
Deal found 6/7$1,481
Fri 8/810:25SYD - ORD
1 stop20h 25mAmerican Airlines
Thu 28/808:55ORD - SYD
1 stop31h 10mAmerican Airlines
Deal found 8/7$1,515
Tue 11/1111:45SYD - ORD
2 stops24h 05mAir New Zealand
Sun 16/1114:30ORD - SYD
2 stops27h 00mAir New Zealand
Deal found 7/7$1,620
Sat 2/809:10SYD - ORD
1 stop20h 07mBritish Airways
Fri 15/811:45ORD - SYD
1 stop28h 20mBritish Airways
Deal found 7/7$1,692
Sat 1/1112:25SYD - ORD
2 stops32h 51mANA
Sat 15/1116:25ORD - SYD
1 stop34h 50mANA
Deal found 6/7$1,703

Cheapflights Fare Finder

Customise your flight search to find flights from Sydney 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 8 July 2025.
Use the filters below to find and compare flights from Sydney to Chicago O'Hare Intl Airport that are best for you.

Fly from

Sydney

Fly to

O'Hare Intl

Route

Depart

Return

Price

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 20/8

11:50-05:40

2 stops32h 50m

Chicago O'Hare Intl

Wed 27/8

07:05-10:35

2 stops36h 30m

$1,481

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 8/8

10:25-15:50

1 stop20h 25m

Chicago O'Hare Intl

Thu 28/8

08:55-07:05

1 stop31h 10m

$1,515

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 11/11

11:45-18:50

2 stops24h 05m

Chicago O'Hare Intl

Sun 16/11

14:30-10:30

2 stops27h 00m

$1,620

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 2/8

09:10-14:17

1 stop20h 07m

Chicago O'Hare Intl

Fri 15/8

11:45-07:05

1 stop28h 20m

$1,692

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sat 1/11

12:25-05:16

2 stops32h 51m

Chicago O'Hare Intl

Sat 15/11

16:25-20:15

1 stop34h 50m

$1,703

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 12/9

16:20-07:03

2 stops29h 43m

$702

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 17/10

21:30-08:45

1 stop51h 15m

$1,024

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 5/8

09:10-20:58

2 stops26h 48m

$1,068

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 1/12

11:20-14:55

3 stops44h 35m

$1,332

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sun 28/9

10:10-14:25

1 stop43h 15m

$1,371

Flights are sorted by cheapest return flights first.

Deals found on 8/7

Showing 1-10 of 12 results
1
2

Best time to book a flight from Sydney to O'Hare Intl

Have a flexible travel schedule? Discover the best time to fly to O'Hare Intl from Sydney 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 Sydney to Chicago O'Hare Intl Airport

How far ahead should I book a flight from Sydney to Chicago O'Hare Intl Airport?

Use this chart to determine the optimal time to book a return flight from Sydney to O'Hare Intl. Price data was last updated on 27 June 2025.

The best time to book flights from Sydney to Chicago O'Hare Intl Airport is 28 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest time of day to fly from SYD to ORD?

Find hourly flight availability from Sydney 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 8 July 2025.

It’s optimal to fly from Sydney to Chicago O'Hare Intl Airport in the afternoon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the morning.

What is the cheapest day to fly from Sydney to Chicago O'Hare Intl Airport?

Use this chart to determine the cheapest time to fly return from Sydney to O'Hare Intl. Price data was last updated on 16 December 2024.

Travellers seeking maximum savings on their Sydney to Chicago O'Hare Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost for a return flight from Sydney to Chicago O'Hare Intl Airport?

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 8 July 2025.
Check out reviews from past customers who have flown with ANA, Japan Airlines, andSingapore Airlines from Sydney to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
ANA
8.4
Very Good
896 reviews
Check prices

Comfort

8.2

Overall

8.4

Boarding

8.6

Crew

8.7

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
ANA
8.4
Very Good
896 reviews
ANA
8.4
Very Good
896 reviews
Check prices

Comfort

8.2

Overall

8.4

Boarding

8.6

Crew

8.7

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Japan Airlines
8.3
Very Good
1,505 reviews
ANA
8.4
Very Good
896 reviews
Check prices

Comfort

8.2

Overall

8.4

Boarding

8.6

Crew

8.7

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Singapore Airlines
8.1
Very Good
1,322 reviews
ANA
8.4
Very Good
896 reviews
Check prices

Comfort

8.2

Overall

8.4

Boarding

8.6

Crew

8.7

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Air New Zealand
8.0
Very Good
490 reviews
ANA
8.4
Very Good
896 reviews
Check prices

Comfort

8.2

Overall

8.4

Boarding

8.6

Crew

8.7

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!
Cathay Pacific
7.6
Good
925 reviews
ANA
8.4
Very Good
896 reviews
Check prices

Comfort

8.2

Overall

8.4

Boarding

8.6

Crew

8.7

Food

7.7

Entertainment

7.9

Reviews

1 / 20
10.0
Excellent

Kenneth,July 2025

SFO - HND

Great food, great service, great comfort. Can’t ask for more although I’m only flying economy!

Related info for your journey

Find useful and relevant information for your journey from Sydney 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 airport do you fly from for flights from Sydney to Chicago O'Hare Intl?

    For a flight from Sydney to Chicago O'Hare Intl, you will be flying from Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre of the city. Kingsford Smith is the only Sydney airport and it handles 0 outbound flights to Chicago O'Hare Intl per day. 7 airlines have flights to Chicago O'Hare Intl from Sydney Kingsford Smith on a regular basis.

  • What are the cheapest airlines flying from Sydney to Chicago O'Hare Intl Airport round-trip?

    American Airlines, at $1,515, was found to be the cheapest airline from Sydney to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include Air New Zealand and British Airways. These flights start at 3% lower than the current average price 3 months from now.

  • What are the cheapest airlines to fly from Sydney to Chicago O'Hare Intl Airport one-way?

    $1,068 is the cheapest one-way deal found within the past few days, from American Airlines. You may also be able to find cheap deals on Cathay Pacific and Air Canada, with prices starting from $1,371 and $1,431, respectively.

  • Can I find deals for flights from Sydney to O'Hare Intl that include hotel bookings?

    Yes. In addition to deals on Sydney to O'Hare Intl flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney 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 Sydney to O'Hare Intl.

  • Can I find deals for business class flights from Sydney to O'Hare Intl?

    Yes. Cheapflights offers flight deals from Sydney 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

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Alternative routes for Sydney to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.
Sydney to Midway flights

Top 7 airlines flying from Sydney to O'Hare Intl

Discover the top 7 airlines that operate flights from Sydney 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 8 July 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,016Average$1,235FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
American AirlinesCheapest$1,198Average$1,353FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,278Average$1,718FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Air New ZealandCheapest$1,566Average$1,614FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
ANACheapest$1,613Average$1,784FlexibilityNo cancel feeOn-time80%
Search ANA flights
United AirlinesCheapest$1,697Average$2,442FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,771Average$2,800FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights

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Can Cheapflights find flights from Sydney to O'Hare Intl with no change fees?

Certainly. Search results for flights to O'Hare Intl from Sydney shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

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