$482+ Cheap flights from Sydney (SYD) to O'Hare Intl (ORD)
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 10/8. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
Sep 5 — Sep 121
Round-trip
1 adult, Economy
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Find cheap flights from Sydney to O'Hare Intl with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Sydney to O'Hare Intl
Cheapest
Best
Last-minute
One-way
Cheapest flights from Sydney to O'Hare IntlExplore 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 August 6, 2026.
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 August 6, 2026.
This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:15 am -
2 stops39h 02m
Tue 9/226:20 am -
3 stops49h 05m
Deal found 8/1![Multiple Airlines logo]()
$843
This SmartFares deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:20 am -
1 stop20h 23m
Tue 9/223:40 pm -
1 stop24h 40m
Deal found 8/2![Air Canada logo]()
$932
This Air Canada deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/3011:20 am -
2 stops46h 30m
Mon 2/810:40 am -
2 stops29h 55m
Deal found 8/3![Air Canada logo]()
$936
This Air Canada deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:20 am -
2 stops37h 40m
Mon 11/301:55 pm -
2 stops26h 40m
Deal found 8/2![Air Canada logo]()
$939
Best flights from Sydney to O'Hare IntlDiscover carefully curated flight deals from Sydney to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
Discover carefully curated flight deals from Sydney to O'Hare Intl that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated August 6, 2026.
This Mytrip deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:20 am -
1 stop20h 23m
Tue 9/223:40 pm -
1 stop24h 40m
Deal found 8/1![Air Canada logo]()
$933
This BYOjet deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 8/299:55 am -
2 stops26h 37m
Sat 9/54:11 pm -
2 stops27h 29m
Deal found 8/1![Air New Zealand logo]()
$1,411
This Cathay Pacific deal was found by Cheapflights users on 8/5. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:55 pm -
2 stops34h 25m
Fri 9/184:15 pm -
1 stop46h 55m
Deal found 8/5![Multiple Airlines logo]()
$1,493
This American Airlines deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/149:10 am -
1 stop25h 49m
Tue 9/293:20 pm -
1 stop24h 45m
Deal found 8/3![American Airlines logo]()
$1,510
This Bravofly deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Bravofly is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:10 am -
1 stop20h 44m
Mon 9/77:00 pm -
1 stop21h 05m
Deal found 8/2![Qantas Airways logo]()
$1,531
This United Airlines deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2710:20 am -
1 stop19h 30m
Sat 10/39:40 pm -
1 stop42h 15m
Deal found 8/2![United Airlines logo]()
$1,581
This Gotogate deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/179:20 am -
2 stops44h 32m
Thu 9/243:40 pm -
1 stop24h 40m
Deal found 8/4![Air Canada logo]()
$1,053
This Alaska Airlines deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/68:45 pm -
3 stops24h 35m
Thu 9/247:00 pm -
2 stops32h 50m
Deal found 8/6![Multiple Airlines logo]()
$1,784
This BYOjet deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure BYOjet is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/239:20 am -
3 stops29h 20m
Mon 9/77:48 pm -
2 stops24h 52m
Deal found 8/2![Air Canada logo]()
$1,699
Last-minute flights from Sydney to O'Hare IntlDiscover last-minute flight deals from Sydney to O'Hare Intl. Data last updated August 6, 2026 and is based on user searches.
Discover last-minute flight deals from Sydney to O'Hare Intl. Data last updated August 6, 2026 and is based on user searches.
This Trip.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/86:15 am -
2 stops39h 02m
Tue 9/226:20 am -
3 stops49h 05m
Deal found 8/1![Multiple Airlines logo]()
$843
This SmartFares deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/89:20 am -
1 stop20h 23m
Tue 9/223:40 pm -
1 stop24h 40m
Deal found 8/2![Air Canada logo]()
$932
This Air Canada deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/239:20 am -
1 stop20h 23m
Wed 10/143:40 pm -
1 stop24h 40m
Deal found 8/2![Air Canada logo]()
$960
One-way flights from Sydney to O'Hare IntlSearch for one-way flight options from Sydney to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
Search for one-way flight options from Sydney to O'Hare Intl. Find affordable one-way fares based on user searches. Data last updated August 6, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/82:15 pm -
3 stops37h 42m
Deal found 8/1![Multiple Airlines logo]()
$482
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/202:15 pm -
3 stops31h 27m
Deal found 8/3![Multiple Airlines logo]()
$489
This Kiwi.com deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/182:00 pm -
3 stops37h 01m
Deal found 8/1![Multiple Airlines logo]()
$491
This Kiwi.com deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 10/252:00 pm -
3 stops50h 33m
Deal found 8/3![Multiple Airlines logo]()
$498
This Kiwi.com deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/102:00 pm -
3 stops45h 29m
Deal found 8/6![Multiple Airlines logo]()
$512
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/212:15 pm -
3 stops44h 05m
Deal found 8/4![Multiple Airlines logo]()
$552
This OneTravel deal was found by Cheapflights users on 8/1. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure OneTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/1811:05 am -
1 stop42h 50m
Deal found 8/1![Cathay Pacific logo]()
$586
This Kiwi.com deal was found by Cheapflights users on 8/2. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/57:20 am -
3 stops47h 40m
Deal found 8/2![Multiple Airlines logo]()
$591
This SmartFares deal was found by Cheapflights users on 8/6. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/1010:20 pm -
1 stop31h 35m
Deal found 8/6![Cathay Pacific logo]()
$650
This SmartFares deal was found by Cheapflights users on 8/3. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/2010:20 pm -
1 stop31h 35m
Deal found 8/3![Cathay Pacific logo]()
$672
This SmartFares deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/213:05 pm -
1 stop38h 50m
Deal found 8/4![Cathay Pacific logo]()
$673
This Kiwi.com deal was found by Cheapflights users on 8/4. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/282:00 pm -
2 stops32h 16m
Deal found 8/4![Multiple Airlines logo]()
$676
Find 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 August 6, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $843 (Trip.com) |
One-way from | $482 (Kiwi.com) |
Popular in | January |
Cheapest in | September |
Average price | $1,399 |
Cheapflights Fare Finder
Customize 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 2,558,603 searches. Data last updated August 6, 2026.
Use the filters below to find and compare flights from Sydney to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Tue 9/8
9:20 am-2:43 pm
1 stop20h 23m
Chicago O'Hare Intl
Tue 9/22
3:40 pm-7:20 am
1 stop24h 40m
$933
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Thu 9/17
9:20 am-2:52 pm
2 stops44h 32m
Chicago O'Hare Intl
Thu 9/24
3:40 pm-7:20 am
1 stop24h 40m
$1,053
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Sat 8/29
9:55 am-9:32 pm
2 stops26h 37m
Chicago O'Hare Intl
Sat 9/5
4:11 pm-10:40 am
2 stops27h 29m
$1,411
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Tue 9/8
6:55 pm-2:20 pm
2 stops34h 25m
Chicago O'Hare Intl
Fri 9/18
4:15 pm-6:10 am
1 stop46h 55m
$1,493
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Mon 9/14
9:10 am-7:59 pm
1 stop25h 49m
Chicago O'Hare Intl
Tue 9/29
3:20 pm-7:05 am
1 stop24h 45m
$1,510
Quickest round-trip
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Sun 8/23
9:10 am-2:54 pm
1 stop20h 44m
Chicago O'Hare Intl
Mon 9/7
7:00 pm-7:05 am
1 stop21h 05m
$1,531
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Sun 9/27
10:20 am-2:50 pm
1 stop19h 30m
Chicago O'Hare Intl
Sat 10/3
9:40 pm-7:55 am
1 stop42h 15m
$1,581
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Sun 8/23
9:20 am-11:40 pm
3 stops29h 20m
Chicago O'Hare Intl
Mon 9/7
7:48 pm-11:40 am
2 stops24h 52m
$1,699
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Sun 9/6
8:45 pm-6:20 am
3 stops24h 35m
Chicago O'Hare Intl
Thu 9/24
7:00 pm-6:50 pm
2 stops32h 50m
$1,784
Cheapest one-way
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Wed 11/18
2:00 pm-10:01 am
3 stops37h 01m
$491
Showing 1-10 of 18 resultsSorted by cheapest first
Compare providers for flights from Sydney to O'Hare Intl
Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Sydney to O'Hare Intl in August.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- Most accurate provider: When it comes to deals on Sydney-Chicago O'Hare Intl Airport flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Sydney-Chicago O'Hare Intl Airport flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Sydney-Chicago O'Hare Intl Airport flight searches over the past month and is updated monthly.
- Most trusted provider: When it comes to deals on Sydney-Chicago O'Hare Intl Airport flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Sydney-Chicago O'Hare Intl Airport flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.
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.
SYD-ORD
Estimated round-trip 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?
The best time to book flights from Sydney to Chicago O'Hare Intl Airport is 25 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, September is the cheapest month in which you can book a flight from Sydney to Chicago O'Hare Intl Airport (average of $937). Flying from Sydney to Chicago O'Hare Intl Airport in January is currently the most expensive (average of $2,951). 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.
How much does it cost to fly round-trip from Sydney to Chicago O'Hare Intl Airport?
Airfare is below average for this route at the moment.
Sydney to Chicago O'Hare Intl Airport flights typically cost between $988 and $1,633 in September.The cheapest round-trip price found within the last 5 days was $843 on Multiple Airlines (Sep 8-Sep 22).
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 August 6, 2026.
See what other customers who have flown with Qantas Airways and United Airlines from Sydney to Chicago O'Hare Intl Airport have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Entertainment
7.2
Crew
8.1
Overall
7.5
Food
7.0
Boarding
7.7
Comfort
7.4
Reviews
1 / 20
10.0
ExcellentTania,May 2026
SYD - DFW
Entertainment
7.2
Crew
8.1
Overall
7.5
Food
7.0
Boarding
7.7
Comfort
7.4
Reviews
1 / 20
10.0
ExcellentTania,May 2026
SYD - DFW
Entertainment
7.2
Crew
8.1
Overall
7.5
Food
7.0
Boarding
7.7
Comfort
7.4
Reviews
1 / 20
10.0
ExcellentTania,May 2026
SYD - DFW
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.
Traveling to a place near Chicago O'Hare Intl Airport?
Book flights to Chicago O'Hare Intl Airport if you plan to visit one of these locationsBenton Harbor
Rosemont
Schaumburg
Naperville
Lake Geneva
Oak Brook
Oakbrook Terrace
Delavan
Gurnee
South Holland
Libertyville
Orland Park
Hoffman Estates
Beloit
Rockford
Aurora
Racine
Great Lakes
Janesville
Joliet
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Other flights to O'Hare Intl
Explore flights to O'Hare Intl departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on August 6, 2026.
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Top 2 airlines flying from Sydney to O'Hare Intl
Discover the top 2 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 2,558,603 searches. Data last updated August 6, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$970 | Average$1,633 | FlexibilityNo cancel fee | On-time74% | |
| Cheapest$1,113 | Average$1,279 | FlexibilityNo cancel fee | On-time69% |