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Cheap flights from Chicago O'Hare Intl Airport to Sydney from $662

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 16/2. Fares are subject to change and may not be available on all flights or dates of travel.
ORD — SYD
20 Nov — 27 Nov1
1 adult

The best prices from Chicago O'Hare Intl to Sydney Kingsford Smith are usually found in March or November, booked 62 days in advance, depart on a Saturday or Monday and return on a Monday

Cheap flight deals from O'Hare Intl to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from O'Hare Intl (ORD) to Sydney (SYD). 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 15 November 2024.

Round-trip from

$1,247

One-way from

$662

Popular in

December

Cheapest in

March
Qantas Airways
  • Qantas Airways
  • 1/2-8/2
  • 2 total stops
  • 48h 10m total
  • Chicago to Sydney
Qantas Airways
  • Qantas Airways
  • 16/2
  • 1 total stop
  • 25h 47m total
  • Chicago to Sydney
High demand for flights, 15% potential price rise
Best time to find cheap flights, 20% potential price drop

Find flight deals from O'Hare Intl to Sydney

Cheapest flights from O'Hare Intl to Sydney
Explore the most affordable flight options available from O'Hare Intl to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 15 November 2024.

Thu 5/1220:33ORD - SYD
1 stop41h 52mQantas Airways
Thu 12/1217:25SYD - ORD
1 stop23h 34mQantas Airways
Deal found 14/11$1,403
Fri 6/1210:00ORD - SYD
1 stop27h 35mBritish Airways
Sun 15/1217:25SYD - ORD
1 stop36h 58mBritish Airways
Deal found 14/11$1,416
Sat 7/1215:27ORD - SYD
1 stop22h 08mAmerican Airlines
Sun 15/1211:15SYD - ORD
1 stop23h 13mAmerican Airlines
Deal found 15/11$1,437
Mon 18/1117:00ORD - SYD
1 stop21h 25mMultiple Airlines
Wed 20/1111:15SYD - ORD
1 stop21h 43mMultiple Airlines
Deal found 14/11$1,473
Thu 12/1208:45ORD - SYD
2 stops29h 10mAir Canada
Mon 20/111:20SYD - ORD
2 stops40h 34mAir Canada
Deal found 14/11$2,216
Mon 30/1220:30ORD - SYD
2 stops53h 00mTurkish Airlines
Thu 29/520:40SYD - ORD
2 stops36h 15mTurkish Airlines
Deal found 15/11$2,286
Sun 17/1116:25ORD - SYD
1 stop25h 05mANA
Mon 2/1221:45SYD - ORD
2 stops33h 34mANA
Deal found 13/11$2,297
Sun 17/1108:25ORD - SYD
2 stops31h 10mDelta
Mon 2/1211:05SYD - ORD
2 stops27h 53mDelta
Deal found 13/11$2,663

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

Customise your flight search to find flights from O'Hare Intl to Sydney 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 732,627 searches. Data last updated 15 November 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 18/3

18:45-09:50

2 stops23h 05m

Sydney Kingsford Smith

Tue 1/4

21:30-06:12

1 stop24h 42m

$1,391

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 16/3

18:45-09:50

2 stops23h 05m

Sydney Kingsford Smith

Tue 25/3

11:15-23:34

1 stop28h 19m

$1,394

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Fri 6/12

10:00-06:35

1 stop27h 35m

Sydney Kingsford Smith

Sun 15/12

17:25-13:23

1 stop36h 58m

$1,416

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sat 10/5

21:05-19:15

2 stops31h 10m

Sydney Kingsford Smith

Sat 17/5

20:55-05:03

2 stops47h 08m

$1,765

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Fri 28/3

12:30-07:35

2 stops27h 05m

Sydney Kingsford Smith

Mon 7/4

09:25-20:34

2 stops26h 09m

$1,771

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 12/1

11:10-12:30

2 stops32h 20m

Sydney Kingsford Smith

Sun 26/1

06:20-00:40

3 stops35h 20m

$1,903

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 18/2

07:20-09:35

2 stops33h 15m

Sydney Kingsford Smith

Sun 23/2

11:20-19:55

2 stops25h 35m

$1,923

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 26/1

07:35-08:45

2 stops32h 10m

Sydney Kingsford Smith

Sat 8/2

19:15-19:10

2 stops40h 55m

$2,128

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Tue 28/1

18:11-09:05

1 stop21h 54m

Sydney Kingsford Smith

Wed 12/2

11:20-17:07

1 stop46h 47m

$2,196

ChicagoSydney

ORD - SYD

ORDSYD

Chicago O'Hare Intl

Sun 16/2

14:13-09:00

1 stop25h 47m

$662

Flights are sorted by cheapest first

Deals found on 14/11

Showing 1-10 of 24 results
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Best time to book a flight from O'Hare Intl to Sydney

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

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

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

Use this chart to determine the optimal time to book a return flight from O'Hare Intl to Sydney. Price data was last updated on 8 November 2024.

The best time to book flights from Chicago O'Hare Intl Airport to Sydney is 62 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 Chicago O'Hare Intl Airport to Sydney?

Currently, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Sydney (average of $129). Flying from Chicago O'Hare Intl Airport to Sydney in October is currently the most expensive (average of $171). 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 ORD to SYD?

Find hourly flight availability from O'Hare Intl to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 15 November 2024.

It’s optimal to fly from Chicago O'Hare Intl Airport to Sydney in the morning. By choosing this option you can save up to 19% on the cost of your flight, compared to a flight at midday.

Rainfall in Sydney by month

Plan your trip to Sydney by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

Temperature in Sydney by month

Plan your trip to Sydney by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. 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 Sydney. Reviews last updated 15 November 2024.
Peruse reviews from past customers who have flown with Qantas Airways, American Airlines and Delta from Chicago to Sydney to help guide your decision. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
8.7
Very Good
69 reviews

Boarding

8.5

Comfort

8.1

Entertainment

7.2

Overall

8.7

Crew

8.9

Food

7.8

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
69 reviews
8.7
Very Good
69 reviews

Boarding

8.5

Comfort

8.1

Entertainment

7.2

Overall

8.7

Crew

8.9

Food

7.8

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
69 reviews

Boarding

8.5

Comfort

8.1

Entertainment

7.2

Overall

8.7

Crew

8.9

Food

7.8

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.

8.3
Very Good
1,457 reviews
8.7
Very Good
69 reviews

Boarding

8.5

Comfort

8.1

Entertainment

7.2

Overall

8.7

Crew

8.9

Food

7.8

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
528 reviews
8.7
Very Good
69 reviews

Boarding

8.5

Comfort

8.1

Entertainment

7.2

Overall

8.7

Crew

8.9

Food

7.8

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
8,786 reviews
8.7
Very Good
69 reviews

Boarding

8.5

Comfort

8.1

Entertainment

7.2

Overall

8.7

Crew

8.9

Food

7.8

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 O'Hare Intl to Sydney. 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 into for flights to Sydney from Chicago O'Hare Intl?

    For a flight from Chicago O'Hare Intl to Sydney, you will be flying into Kingsford Smith. Sydney Kingsford Smith (SYD) is just 7.5 km from the centre vof the city. Kingsford Smith is the only Sydney airport and it handles 0 inbound flights from Chicago O'Hare Intl per day. 2 airlines have flights to Sydney Kingsford Smith from Chicago O'Hare Intl on a regular basis.

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

    According to our current data, Qantas Airways ($1,247), American Airlines ($1,271), and Delta ($1,291) offers the cheapest pricing from Chicago O'Hare Intl Airport to Sydney. Users have found that Qantas Airways is 40% cheaper than the other options available to this destination.

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

    To fly one-way, consider booking your trip with Qantas Airways, which is currently one of the cheapest options available, starting at $662. American Airlines flights start at $720 while deals on ANA start at $1,054 one-way.

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

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

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

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from O'Hare Intl to Sydney.

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

    Yes. Cheapflights offers flight deals from O'Hare Intl to Sydney 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 Chicago O'Hare Intl Airport to Sydney?

    Currently, May is the cheapest month in which you can book a flight from Chicago O'Hare Intl Airport to Sydney (average of $129). Flying from Chicago O'Hare Intl Airport to Sydney in October is currently the most expensive (average of $171). 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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Alternative routes for O'Hare Intl to Sydney

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

Top 2 airlines flying from O'Hare Intl to Sydney

Discover the top 2 airlines that operate flights from O'Hare Intl to Sydney. 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 732,627 searches. Data last updated 15 November 2024.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$1,492Average$2,019FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapest$1,743Average$2,487FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

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