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Cheap flights from Sydney to Chicago O'Hare Intl Airport from $675

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 10/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
26 ian — 2 feb1
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 ianuarie 2025.

Round-trip from

$1,133

One-way from

$719

Popular in

December

Cheapest in

February

Average price

$1,858
Qantas Airways
  • Qantas Airways
  • 3/3-14/3
  • 2 total stops
  • 42h 15m total
  • Sydney to Chicago
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Qantas Airways
  • Qantas Airways
  • 22/3
  • 1 total stop
  • 24h 28m total
  • Sydney to Chicago
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($355 potential increase over avg. return price).
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Cheapest flight prices on average. 3% potential price decrease ($111 potential savings vs. average return price).
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Average for round-trip flights in January 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 ianuarie 2025.

Lu 24/311:15SYD - ORD
1 stop20h 40mQantas Airways
Lu 31/319:13ORD - SYD
1 stop20h 52mQantas Airways
Deal found 20/1$1,124
Lu 24/316:55SYD - ORD
2 stops39h 00mMultiple Airlines
Lu 31/309:45ORD - SYD
1 stop30h 20mMultiple Airlines
Deal found 20/1$1,285
Jo 6/311:20SYD - ORD
1 stop20h 19mAir Canada
Jo 13/307:20ORD - SYD
2 stops33h 15mAir Canada
Deal found 20/1$1,673
Ma 23/911:50SYD - ORD
2 stops32h 13mANA
Ma 21/1017:45ORD - SYD
1 stop24h 40mANA
Deal found 20/1$1,814
Lu 28/708:15SYD - ORD
2 stops31h 03mJapan Airlines
Jo 21/808:10ORD - SYD
2 stops31h 00mJapan Airlines
Deal found 20/1$1,902
Jo 23/111:15SYD - ORD
2 stops22h 20mAmerican Airlines
Vi 31/117:35ORD - SYD
2 stops22h 25mAmerican Airlines
Deal found 21/1$1,917
Jo 23/112:10SYD - ORD
2 stops23h 45mUnited Airlines
Vi 31/112:55ORD - SYD
2 stops24h 25mUnited Airlines
Deal found 20/1$1,919
Lu 28/709:25SYD - ORD
2 stops24h 38mDelta
Vi 8/813:16ORD - SYD
2 stops26h 19mDelta
Deal found 20/1$1,973
Lu 20/122:20SYD - ORD
1 stop31h 40mCathay Pacific
Lu 10/214:40ORD - SYD
1 stop28h 20mCathay Pacific
Deal found 20/1$2,108
Du 21/921:05SYD - ORD
2 stops39h 55mTurkish Airlines
Ma 21/1019:50ORD - SYD
2 stops32h 20mTurkish Airlines
Deal found 20/1$2,117
Jo 13/208:10SYD - ORD
3 stops38h 32mChina Southern
Jo 6/312:00ORD - SYD
3 stops52h 25mChina Southern
Deal found 20/1$2,793
Lu 28/719:25SYD - ORD
3 stops39h 12mAir Tahiti Nui
Vi 8/818:15ORD - SYD
3 stops29h 50mAir Tahiti Nui
Deal found 20/1$2,799

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 ianuarie 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Lu 24/3

11:15-15:55

1 stop20h 40m

Chicago O'Hare Intl

Lu 31/3

19:13-08:05

1 stop20h 52m

$1,124

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Lu 24/3

16:55-15:55

2 stops39h 00m

Chicago O'Hare Intl

Lu 31/3

09:45-08:05

1 stop30h 20m

$1,285

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Jo 6/3

11:20-14:39

1 stop20h 19m

Chicago O'Hare Intl

Jo 13/3

07:20-08:35

2 stops33h 15m

$1,673

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Jo 13/2

08:10-05:42

3 stops38h 32m

Chicago O'Hare Intl

Jo 6/3

12:00-09:25

3 stops52h 25m

$2,793

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mi 23/4

14:05-14:25

1 stop39h 20m

Chicago O'Hare Intl

Mi 30/4

16:05-10:50

1 stop27h 45m

$4,305

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mi 26/3

12:25-05:11

2 stops32h 46m

Chicago O'Hare Intl

Lu 31/3

17:45-20:15

1 stop34h 30m

$7,296

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Mi 30/4

10:15-17:50

2 stops46h 35m

Chicago O'Hare Intl

Mi 7/5

21:30-05:10

2 stops40h 40m

$7,920

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Ma 1/7

06:15-20:23

2 stops29h 08m

Chicago O'Hare Intl

Sâ 12/7

19:05-11:45

2 stops25h 40m

$9,057

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Vi 27/6

09:25-08:32

2 stops38h 07m

Chicago O'Hare Intl

Ma 8/7

14:20-06:35

2 stops25h 15m

$15,639

SydneyChicago

SYD - ORD

SYDORD

Sydney Kingsford Smith

Lu 10/2

17:25-17:59

2 stops41h 34m

$675

Flights are sorted by cheapest return flights first.

Deals found on 19/1

Showing 1-10 of 20 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.

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 17 January 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 ianuarie 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 ianuarie 2025.
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Crew

9.1

Overall

8.8

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

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.

Air Tahiti Nui
8.8
Very Good
62 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Crew

9.1

Overall

8.8

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

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.

Japan Airlines
8.3
Very Good
1,449 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Crew

9.1

Overall

8.8

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

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.

Finnair
7.6
Good
1,286 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Crew

9.1

Overall

8.8

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

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.

Qantas Airways
7.5
Good
824 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Crew

9.1

Overall

8.8

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

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.

Cathay Pacific
7.5
Good
830 reviews
Air Tahiti Nui
8.8
Very Good
62 reviews
Check prices

Crew

9.1

Overall

8.8

Entertainment

7.3

Comfort

8.1

Food

7.8

Boarding

8.7

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. 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 $1,133, was found to be the cheapest airline from Sydney to Chicago O'Hare Intl Airport.Alternate airlines to your destination round-trip include Air Canada and Cathay Pacific. These flights start at 40% 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?

    $719 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 Cathay Pacific and Air Tahiti Nui, with prices starting from $1,364 and $1,625, 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 ianuarie 2025.
AirlineCheapestAverageFlexibilityOn-time
Qantas AirwaysCheapest$1,096Average$1,870FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights
Air New ZealandCheapest$1,441Average$1,886FlexibilityNo cancel feeOn-time78%
Search Air New Zealand flights
American AirlinesCheapest$1,541Average$1,762FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Air CanadaCheapest$1,545Average$1,969FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
ANACheapest$1,572Average$2,129FlexibilityNo cancel feeOn-time80%
Search ANA flights
United AirlinesCheapest$1,583Average$2,509FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Virgin AustraliaCheapest$1,780Average$2,776FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
DeltaCheapest$1,875Average$2,011FlexibilityNo cancel feeOn-timeN/A
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Cathay PacificCheapest$1,924Average$2,291FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights

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How does Cheapflights help users find flights from Sydney to O'Hare Intl?

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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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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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