Find flights
When to book
Airlines
FAQs

Cheap flights from Sydney to Chicago O'Hare Intl Airport from $829

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 26/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
25 Nov — 2 Dec1
1 adult

The best prices from Sydney Kingsford Smith to Chicago O'Hare Intl are usually found in February or August, booked 55 days in advance, depart on a Monday or Tuesday 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 20 November 2024.

Round-trip from

$1,726

One-way from

$829

Popular in

December

Cheapest in

February
Air Canada
  • Air Canada
  • 14/4-23/4
  • 3 total stops
  • 51h 36m total
  • Sydney to Chicago
Qantas Airways
  • Qantas Airways
  • 26/1
  • 1 total stop
  • 21h 44m total
  • Sydney to Chicago
High demand for flights, 24% potential price rise
Best time to find cheap flights, 17% potential price drop

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 20 November 2024.

Thu 21/1121:45SYD - ORD
2 stops48h 16mANA
Thu 28/1116:25ORD - SYD
1 stop25h 05mANA
Deal found 19/11$1,792
Wed 25/1206:00SYD - ORD
3 stops40h 30mMultiple Airlines
Mon 6/108:52ORD - SYD
2 stops34h 38mMultiple Airlines
Deal found 20/11$1,891
Wed 4/1211:15SYD - ORD
1 stop21h 37mQantas Airways
Sun 8/1217:10ORD - SYD
1 stop22h 50mQantas Airways
Deal found 19/11$2,010
Wed 25/1211:15SYD - ORD
1 stop23h 14mAmerican Airlines
Sun 5/114:58ORD - SYD
1 stop23h 27mAmerican Airlines
Deal found 20/11$2,028
Tue 3/1211:20SYD - ORD
2 stops22h 25mAir Canada
Thu 5/1209:50ORD - SYD
2 stops30h 45mAir Canada
Deal found 18/11$2,100
Mon 25/1112:10SYD - ORD
1 stop35h 01mUnited Airlines
Sat 4/118:25ORD - SYD
1 stop21h 40mUnited Airlines
Deal found 19/11$2,559
Tue 26/1111:05SYD - ORD
2 stops28h 09mDelta
Thu 12/1208:35ORD - SYD
2 stops31h 00mDelta
Deal found 20/11$2,854
Tue 17/1217:25SYD - ORD
1 stop28h 49mBritish Airways
Tue 14/114:14ORD - SYD
1 stop25h 46mBritish Airways
Deal found 19/11$3,020
Sun 15/1207:05SYD - ORD
3 stops39h 07mAir Tahiti Nui
Sun 12/117:40ORD - SYD
3 stops31h 00mAir Tahiti Nui
Deal found 19/11$3,026
Tue 24/1216:15SYD - ORD
1 stop24h 06mVirgin Australia
Wed 8/107:15ORD - SYD
1 stop32h 50mVirgin Australia
Deal found 19/11$3,201

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

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 726,782 searches. Data last updated 20 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 14/4

09:20-14:39

1 stop20h 19m

Chicago O'Hare Intl

Wed 23/4

09:03-07:20

2 stops31h 17m

$1,726

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 4/12

21:45-07:20

1 stop26h 35m

Chicago O'Hare Intl

Sun 8/12

07:15-10:30

2 stops34h 15m

$1,819

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 25/12

06:00-05:30

3 stops40h 30m

Chicago O'Hare Intl

Mon 6/1

08:52-12:30

2 stops34h 38m

$1,891

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 14/4

09:10-17:44

1 stop23h 34m

Chicago O'Hare Intl

Mon 21/4

15:00-06:35

1 stop24h 35m

$1,990

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 25/12

11:15-17:29

1 stop23h 14m

Chicago O'Hare Intl

Sun 5/1

14:58-07:25

1 stop23h 27m

$2,028

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 15/4

09:30-17:05

1 stop22h 35m

Chicago O'Hare Intl

Tue 22/4

18:00-07:00

1 stop22h 00m

$2,037

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 17/4

21:50-14:25

1 stop31h 35m

Chicago O'Hare Intl

Mon 21/4

16:05-08:45

1 stop25h 40m

$2,197

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Fri 18/4

07:55-09:50

1 stop40h 55m

Chicago O'Hare Intl

Mon 21/4

12:20-06:20

1 stop27h 00m

$2,292

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 16/4

09:25-19:00

2 stops24h 35m

Chicago O'Hare Intl

Tue 22/4

12:17-06:35

2 stops27h 18m

$2,499

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 15/4

10:25-17:25

2 stops46h 00m

Chicago O'Hare Intl

Sat 26/4

21:30-08:40

2 stops44h 10m

$2,505

Flights are sorted by cheapest return flights first.

Deals found on 19/11

Showing 1-10 of 26 results
1
2
3

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.

Travel insights for flights from Sydney to O'Hare Intl

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

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 15 November 2024.

The best time to book flights from Sydney to Chicago O'Hare Intl Airport is 55 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 month to book a flight from Sydney to Chicago O'Hare Intl Airport?

Currently, February is the cheapest month in which you can book a flight from Sydney to Chicago O'Hare Intl Airport (average of $957). Flying from Sydney to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $1,383). 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 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 20 November 2024.

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 13% 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 18 November 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.

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 20 November 2024.
Get a feel of what it's like to fly with Air Canada, Qantas Airways and United Airlines from Sydney to Chicago by reading reviews from past customers. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.7
Very Good
68 reviews

Boarding

8.5

Comfort

8.0

Entertainment

7.2

Food

7.7

Overall

8.7

Crew

9.0

Reviews

1 / 2

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.

8.7
Very Good
68 reviews
8.7
Very Good
68 reviews

Boarding

8.5

Comfort

8.0

Entertainment

7.2

Food

7.7

Overall

8.7

Crew

9.0

Reviews

1 / 2

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.

8.5
Very Good
1,025 reviews
8.7
Very Good
68 reviews

Boarding

8.5

Comfort

8.0

Entertainment

7.2

Food

7.7

Overall

8.7

Crew

9.0

Reviews

1 / 2

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.

8.4
Very Good
833 reviews
8.7
Very Good
68 reviews

Boarding

8.5

Comfort

8.0

Entertainment

7.2

Food

7.7

Overall

8.7

Crew

9.0

Reviews

1 / 2

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.

8.1
Very Good
1,336 reviews
8.7
Very Good
68 reviews

Boarding

8.5

Comfort

8.0

Entertainment

7.2

Food

7.7

Overall

8.7

Crew

9.0

Reviews

1 / 2

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.

8.0
Very Good
8,758 reviews
8.7
Very Good
68 reviews

Boarding

8.5

Comfort

8.0

Entertainment

7.2

Food

7.7

Overall

8.7

Crew

9.0

Reviews

1 / 2

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 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. 8 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?

    Air Canada, at $1,726, was found to be the cheapest airline from Sydney to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include ANA and Qantas Airways. These flights start at 11% 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?

    $829 is the cheapest one-way deal found within the past few days, from Qantas Airways. You may also be able to find cheap deals on American Airlines and United Airlines, with prices starting from $843 and $1,296, 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.

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

    Currently, February is the cheapest month in which you can book a flight from Sydney to Chicago O'Hare Intl Airport (average of $957). Flying from Sydney to Chicago O'Hare Intl Airport in December is currently the most expensive (average of $1,383). 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

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.

Alternative routes for Sydney to O'Hare Intl

See prices for flight routes from nearby airports that may be better suited for you.

Top 8 airlines flying from Sydney to O'Hare Intl

Discover the top 8 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 726,782 searches. Data last updated 20 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Air New ZealandCheapest$1,379Average$1,804FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
American AirlinesCheapest$1,475Average$1,687FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,485Average$1,862FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,495Average$2,388FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Qantas AirwaysCheapest$1,555Average$2,058FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
ANACheapest$1,612Average$1,931FlexibilityNo cancel feeOn-time80%
Search ANA flights
Virgin AustraliaCheapest$1,704Average$2,656FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
DeltaCheapest$1,795Average$1,924FlexibilityNo cancel feeOn-timeN/A
Search Delta 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 Sydney 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 Sydney today with Cheapflights!

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

Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to O'Hare Intl for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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.

Can Cheapflights notify me if prices for flights from Sydney to O'Hare Intl become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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.