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Cheap flights from Sydney to Chicago O'Hare Intl Airport from $695

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
26 Feb — 5 Mar1
1 adult

The best prices from Sydney Kingsford Smith to Chicago O'Hare Intl are usually found in February or March, booked 90 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 21 February 2025.

Round-trip from

$1,115

One-way from

$695

Popular in

December

Cheapest in

February

Average price

$1,155
Qantas Airways
  • Qantas Airways
  • 3/3-16/8
  • 2 total stops
  • 49h 50m total
  • Sydney to Chicago
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Qantas Airways
  • Qantas Airways
  • 15/3
  • 1 total stop
  • 20h 40m total
  • Sydney to Chicago
Search Deals
Highest demand for flights based on searches. 11% potential increase in price ($361 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 4% potential price decrease ($117 potential savings vs. average return price).
Search Deals
Average for round-trip flights in February 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 21 February 2025.

Mon 3/311:15SYD - ORD
1 stop21h 35mQantas Airways
Sat 16/811:50ORD - SYD
1 stop28h 15mQantas Airways
Deal found 19/2$1,115
Fri 28/211:15SYD - ORD
2 stops26h 27mAmerican Airlines
Thu 13/320:20ORD - SYD
1 stop20h 40mAmerican Airlines
Deal found 19/2$1,192
Thu 6/306:20SYD - ORD
2 stops24h 41mMultiple Airlines
Fri 14/320:20ORD - SYD
1 stop20h 40mMultiple Airlines
Deal found 20/2$1,298
Thu 28/809:20SYD - ORD
1 stop20h 29mAir Canada
Sun 21/920:25ORD - SYD
2 stops43h 55mAir Canada
Deal found 20/2$1,562
Wed 7/509:30SYD - ORD
1 stop25h 55mUnited Airlines
Tue 20/514:35ORD - SYD
2 stops25h 20mUnited Airlines
Deal found 20/2$1,717
Wed 7/509:25SYD - ORD
2 stops24h 35mDelta
Tue 20/513:35ORD - SYD
2 stops26h 00mDelta
Deal found 20/2$2,099
Thu 28/808:55SYD - ORD
1 stop39h 20mJapan Airlines
Sat 20/901:05ORD - SYD
1 stop38h 15mJapan Airlines
Deal found 20/2$2,110
Tue 1/411:15SYD - ORD
2 stops46h 35mFinnair
Thu 8/521:30ORD - SYD
2 stops40h 40mFinnair
Deal found 20/2$2,159
Thu 3/421:55SYD - ORD
2 stops36h 00mTurkish Airlines
Sun 20/411:25ORD - SYD
2 stops40h 35mTurkish Airlines
Deal found 20/2$2,369
Thu 10/415:00SYD - ORD
2 stops38h 25mCathay Pacific
Thu 1/516:00ORD - SYD
1 stop27h 50mCathay Pacific
Deal found 20/2$2,435
Thu 27/1108:55SYD - ORD
3 stops37h 07mAir Tahiti Nui
Thu 18/1220:25ORD - SYD
3 stops55h 15mAir Tahiti Nui
Deal found 20/2$2,806
Wed 27/821:45SYD - ORD
3 stops47h 29mChina Southern
Sat 20/917:05ORD - SYD
2 stops35h 35mChina Southern
Deal found 19/2$2,866

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 647,157 searches. Data last updated 21 February 2025.

Fly from

Sydney

Fly to

O'Hare Intl

Route

Depart

Return

Price

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mon 3/3

11:15-15:50

1 stop21h 35m

Chicago O'Hare Intl

Sat 16/8

11:50-07:05

1 stop28h 15m

$1,115

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 6/3

06:20-14:01

2 stops24h 41m

Chicago O'Hare Intl

Fri 14/3

20:20-09:00

1 stop20h 40m

$1,298

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 6/3

11:50-16:19

2 stops21h 29m

Chicago O'Hare Intl

Thu 13/3

20:20-09:00

1 stop20h 40m

$1,525

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 6/5

09:20-16:48

2 stops46h 28m

Chicago O'Hare Intl

Tue 20/5

10:00-07:20

2 stops30h 20m

$1,576

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 7/5

09:30-20:25

1 stop25h 55m

Chicago O'Hare Intl

Tue 20/5

14:35-06:55

2 stops25h 20m

$1,717

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Wed 7/5

09:25-19:00

2 stops24h 35m

Chicago O'Hare Intl

Tue 20/5

13:35-06:35

2 stops26h 00m

$2,099

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Tue 1/4

11:15-17:50

2 stops46h 35m

Chicago O'Hare Intl

Thu 8/5

21:30-05:10

2 stops40h 40m

$2,159

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 3/4

21:55-17:55

2 stops36h 00m

Chicago O'Hare Intl

Sun 20/4

11:25-19:00

2 stops40h 35m

$2,369

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Thu 10/4

15:00-14:25

2 stops38h 25m

Chicago O'Hare Intl

Thu 1/5

16:00-10:50

1 stop27h 50m

$2,435

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Sun 20/7

09:10-00:18

3 stops30h 08m

Chicago O'Hare Intl

Fri 1/8

14:45-15:05

3 stops33h 20m

$2,872

Flights are sorted by cheapest return flights first.

Deals found on 20/2

Showing 1-10 of 24 results
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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 14 February 2025.

The best time to book flights from Sydney to Chicago O'Hare Intl Airport is 90 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 21 February 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.

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 21 February 2025.
Get a feel of what it's like to fly with Air Tahiti Nui, ANA and Delta 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.
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Food

7.8

Comfort

8.0

Overall

8.7

Boarding

8.7

Entertainment

7.2

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
Check prices

Crew

9.1

Food

7.8

Comfort

8.0

Overall

8.7

Boarding

8.7

Entertainment

7.2

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
Check prices

Crew

9.1

Food

7.8

Comfort

8.0

Overall

8.7

Boarding

8.7

Entertainment

7.2

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.

Delta
8.0
Very Good
8,213 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Food

7.8

Comfort

8.0

Overall

8.7

Boarding

8.7

Entertainment

7.2

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.

China Southern
7.6
Good
87 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Food

7.8

Comfort

8.0

Overall

8.7

Boarding

8.7

Entertainment

7.2

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.

Finnair
7.6
Good
1,273 reviews
Air Tahiti Nui
8.7
Very Good
61 reviews
Check prices

Crew

9.1

Food

7.8

Comfort

8.0

Overall

8.7

Boarding

8.7

Entertainment

7.2

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 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. 9 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?

    Qantas Airways, at $1,115, was found to be the cheapest airline from Sydney to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include American Airlines and Air Canada. These flights start at 37% 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?

    $695 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 Cathay Pacific, with prices starting from $751 and $1,358, 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.

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Alternative routes for Sydney to O'Hare Intl

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Top 9 airlines flying from Sydney to O'Hare Intl

Discover the top 9 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 21 February 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,064Average$1,752FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
ANACheapest$1,536Average$2,105FlexibilityNo cancel feeOn-time80%
Search ANA flights
American AirlinesCheapest$1,546Average$1,732FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,551Average$1,905FlexibilityNo cancel feeOn-time67%
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United AirlinesCheapest$1,591Average$2,452FlexibilityNo cancel feeOn-time69%
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Air New ZealandCheapest$1,608Average$1,932FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
Virgin AustraliaCheapest$1,740Average$2,711FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
DeltaCheapest$1,833Average$1,965FlexibilityNo cancel feeOn-timeN/A
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Cathay PacificCheapest$1,881Average$2,239FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

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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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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!

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