Cheap flights from Sydney to Chicago O'Hare Intl Airport from $793
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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
23 7月 — 30 7月1
Return
1 adult
Economy
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 18 7月 2025.
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 18 7月 2025.
週三 20/813:15SYD - ORD
2 stops31h 25mMultiple Airlines
週一 25/807:05ORD - SYD
2 stops37h 40mMultiple Airlines
Deal found 18/7$1,425
週二 9/910:20SYD - ORD
2 stops23h 17mUnited Airlines
週二 9/921:13ORD - SYD
1 stop42h 42mUnited Airlines
Deal found 16/7$1,502
週二 29/711:50SYD - ORD
2 stops26h 22mAir New Zealand
週四 7/816:50ORD - SYD
2 stops24h 55mAir New Zealand
Deal found 17/7$1,620
週一 1/920:55SYD - ORD
2 stops47h 04mANA
週一 8/917:45ORD - SYD
1 stop34h 30mANA
Deal found 18/7$1,661
週日 10/809:10SYD - ORD
1 stop22h 38mAmerican Airlines
週日 24/815:56ORD - SYD
2 stops24h 09mAmerican Airlines
Deal found 18/7$1,735
週二 7/1010:20SYD - ORD
1 stop22h 22mAir Canada
週二 28/1015:40ORD - SYD
1 stop24h 55mAir Canada
Deal found 18/7$1,957
Best flights from Sydney to O'Hare Intl
Discover carefully curated flight deals from Sydney to O'Hare Intl that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 7月 2025.
週二 9/910:20SYD - ORD
2 stops23h 17mUnited Airlines
週二 9/921:13ORD - SYD
1 stop42h 42mUnited Airlines
Deal found 16/7$1,502
週一 4/813:15SYD - ORD
2 stops31h 10mMultiple Airlines
週六 23/807:05ORD - SYD
2 stops37h 40mMultiple Airlines
Deal found 17/7$1,567
週二 29/711:50SYD - ORD
2 stops26h 22mAir New Zealand
週四 7/816:50ORD - SYD
2 stops24h 55mAir New Zealand
Deal found 17/7$1,620
週一 1/920:55SYD - ORD
2 stops47h 04mANA
週一 8/917:45ORD - SYD
1 stop34h 30mANA
Deal found 18/7$1,661
週日 10/809:10SYD - ORD
1 stop22h 38mAmerican Airlines
週日 24/815:56ORD - SYD
2 stops24h 09mAmerican Airlines
Deal found 18/7$1,735
週二 7/1010:20SYD - ORD
1 stop22h 22mAir Canada
週二 28/1015:40ORD - SYD
1 stop24h 55mAir Canada
Deal found 18/7$1,957
Last-minute flights from Sydney to O'Hare Intl
Discover last-minute flight deals from Sydney to O'Hare Intl. Data last updated 18 7月 2025 and is based on user searches.
週日 20/720:55SYD - ORD
2 stops46h 56mANA
週二 22/717:45ORD - SYD
1 stop34h 30mANA
Deal found 16/7$1,708
週四 24/715:00SYD - ORD
2 stops62h 25mCathay Pacific
週五 8/816:00ORD - SYD
1 stop47h 10mCathay Pacific
Deal found 17/7$4,149
週四 24/707:10SYD - ORD
3 stops31h 33mAir Tahiti Nui
週五 8/818:03ORD - SYD
3 stops30h 07mAir Tahiti Nui
Deal found 17/7$15,279
週日 27/720:55SYD - ORD
1 stop33h 00mANA
週三 30/709:05ORD - SYD
2 stops33h 20mANA
Deal found 15/7$1,833
週日 27/709:55SYD - ORD
2 stops33h 56mAir New Zealand
週二 5/816:50ORD - SYD
2 stops24h 55mAir New Zealand
Deal found 15/7$1,842
週日 27/708:55SYD - ORD
2 stops29h 48mJapan Airlines
週二 29/701:30ORD - SYD
1 stop37h 50mJapan Airlines
Deal found 15/7$2,156
週日 27/709:20SYD - ORD
3 stops37h 39mAir Canada
週二 5/815:40ORD - SYD
2 stops39h 00mAir Canada
Deal found 15/7$2,195
週一 28/714:40SYD - ORD
2 stops29h 45mMultiple Airlines
週三 6/806:40ORD - SYD
2 stops38h 05mMultiple Airlines
Deal found 16/7$1,828
週一 28/709:30SYD - ORD
1 stop24h 25mUnited Airlines
週三 6/815:54ORD - SYD
1 stop24h 01mUnited Airlines
Deal found 16/7$2,558
週二 29/711:50SYD - ORD
2 stops26h 22mAir New Zealand
週四 7/816:50ORD - SYD
2 stops24h 55mAir New Zealand
Deal found 17/7$1,620
週二 29/709:20SYD - ORD
1 stop20h 34mAir Canada
週四 7/808:50ORD - SYD
2 stops31h 30mAir Canada
Deal found 17/7$1,993
週三 6/808:55SYD - ORD
2 stops30h 17mJapan Airlines
週二 9/901:05ORD - SYD
1 stop38h 15mJapan Airlines
Deal found 17/7$2,039
One-way flights from Sydney to O'Hare Intl
Search for one-way flight options from Sydney to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated 18 7月 2025.
週三 15/1017:20SYD - ORD
2 stops29h 04mMultiple Airlines
Deal found 15/7$793
週三 15/1016:40SYD - ORD
1 stop32h 05mEtihad Airways
Deal found 15/7$1,030
週日 17/809:10SYD - ORD
1 stop22h 38mAmerican Airlines
Deal found 18/7$1,080
週一 29/909:20SYD - ORD
3 stops41h 03mAir Canada
Deal found 16/7$1,337
週日 17/809:25SYD - ORD
2 stops27h 09mDelta
Deal found 18/7$1,624
週日 17/811:50SYD - ORD
3 stops37h 14mLATAM Airlines
Deal found 16/7$2,528
週日 28/915:00SYD - ORD
3 stops44h 50mSingapore Airlines
Deal found 16/7$2,763
週二 23/907:40SYD - ORD
1 stop45h 45mCathay Pacific
Deal found 16/7$5,660
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 18 7月 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
週三 20/8
13:15-05:40
2 stops31h 25m
Chicago O'Hare Intl
週一 25/8
07:05-11:45
2 stops37h 40m
$1,425
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
週二 9/9
10:20-18:37
2 stops23h 17m
Chicago O'Hare Intl
週二 9/9
21:13-06:55
1 stop42h 42m
$1,502
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
週二 29/7
11:50-23:12
2 stops26h 22m
Chicago O'Hare Intl
週四 7/8
16:50-08:45
2 stops24h 55m
$1,620
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
週一 1/9
20:55-04:59
2 stops47h 04m
Chicago O'Hare Intl
週一 8/9
17:45-19:15
1 stop34h 30m
$1,661
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
週日 10/8
09:10-16:48
1 stop22h 38m
Chicago O'Hare Intl
週日 24/8
15:56-07:05
2 stops24h 09m
$1,735
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
週二 7/10
10:20-16:42
1 stop22h 22m
Chicago O'Hare Intl
週二 28/10
15:40-08:35
1 stop24h 55m
$1,957
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
週三 15/10
17:20-06:24
2 stops29h 04m
$793
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
週六 15/11
12:10-19:01
2 stops23h 51m
$973
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
週五 17/10
21:30-08:45
1 stop51h 15m
$1,024
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
週日 17/8
09:10-16:48
1 stop22h 38m
$1,080
Flights are sorted by cheapest return flights first.
Deals found on 15/7
Showing 1-10 of 11 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.
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 11 July 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 18 7月 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 18 7月 2025.
Check out reviews from past customers who have flown with ANA, Singapore Airlines, andDelta 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.
Flight delayed from 7pm to 2am, united airlines sold our tickets so they had to book us with AA
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?
United Airlines, at $1,502, 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 ANA. These flights start at 4% 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?
$1,030 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on American Airlines and Air Canada, with prices starting from $1,080 and $1,337, 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.
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 18 7月 2025.
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 18 7月 2025.
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!
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