$492+ 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 12 — Sep 191
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
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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 13, 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 13, 2026.
This Trip.com deal was found by Cheapflights users on 8/12. 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.
Wed 9/91:15 pm -
3 stops35h 05m
Wed 9/166:00 am -
3 stops38h 50m
Deal found 8/12![Multiple Airlines logo]()
$811
This Trip.com deal was found by Cheapflights users on 8/12. 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 9/81:15 pm -
2 stops32h 02m
Tue 9/226:30 am -
3 stops48h 55m
Deal found 8/12![Multiple Airlines logo]()
$828
This BYOjet deal was found by Cheapflights users on 8/10. 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.
Thu 8/139:55 am -
2 stops28h 31m
Tue 8/181:58 pm -
2 stops27h 47m
Deal found 8/10![Air New Zealand logo]()
$1,234
This Trip.com deal was found by Cheapflights users on 8/10. 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.
Mon 8/249:30 am -
1 stop35h 47m
Thu 8/279:20 pm -
1 stop42h 40m
Deal found 8/10![Multiple Airlines logo]()
$1,282
This BYOjet deal was found by Cheapflights users on 8/10. 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.
Thu 8/139:55 am -
2 stops28h 31m
Thu 8/272:00 pm -
2 stops27h 45m
Deal found 8/10![Air New Zealand logo]()
$1,285
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 8/205:50 pm -
1 stop27h 09m
Sat 9/59:20 pm -
1 stop43h 10m
Deal found 8/10![Multiple Airlines logo]()
$1,301
This BYOjet deal was found by Cheapflights users on 8/11. 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.
Tue 9/89:55 am -
2 stops28h 10m
Tue 9/224:00 pm -
2 stops27h 40m
Deal found 8/11![Air New Zealand logo]()
$1,303
This Jetabroad deal was found by Cheapflights users on 8/11. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:55 am -
2 stops28h 10m
Tue 9/154:00 pm -
2 stops25h 45m
Deal found 8/11![Air New Zealand logo]()
$1,304
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 8/305:50 pm -
1 stop27h 09m
Mon 9/146:00 am -
2 stops34h 30m
Deal found 8/9![Multiple Airlines logo]()
$1,344
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Mon 8/175:50 pm -
1 stop27h 27m
Sat 8/299:20 pm -
1 stop43h 10m
Deal found 8/12![Multiple Airlines logo]()
$1,347
This BYOjet deal was found by Cheapflights users on 8/12. 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.
Mon 8/176:00 am -
2 stops26h 47m
Sat 8/295:16 pm -
2 stops26h 14m
Deal found 8/12![Qantas Airways logo]()
$1,349
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 13, 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 13, 2026.
This Etihad Airways deal was found by Cheapflights users on 8/8. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/29:30 pm -
1 stop34h 30m
Sat 11/78:20 pm -
1 stop41h 10m
Deal found 8/8![Etihad Airways logo]()
$1,359
This Jetabroad deal was found by Cheapflights users on 8/8. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:50 am -
2 stops25h 47m
Sat 11/72:00 pm -
2 stops25h 35m
Deal found 8/8![Air New Zealand logo]()
$1,360
This Etihad Airways deal was found by Cheapflights users on 8/13. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/273:40 pm -
2 stops40h 58m
Sun 10/48:25 pm -
1 stop29h 25m
Deal found 8/13![Multiple Airlines logo]()
$1,481
This Cathay Pacific deal was found by Cheapflights users on 8/11. 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.
Thu 10/12:05 pm -
1 stop38h 50m
Fri 10/94:15 pm -
2 stops47h 30m
Deal found 8/11![Cathay Pacific logo]()
$1,585
This Gotogate deal was found by Cheapflights users on 8/9. 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.
Wed 9/233:40 pm -
1 stop31h 55m
Wed 9/3011:05 am -
2 stops29h 15m
Deal found 8/9![Multiple Airlines logo]()
$1,526
This Cathay Pacific deal was found by Cheapflights users on 8/10. 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.
Fri 10/98:40 am -
1 stop45h 15m
Sat 10/104:15 pm -
2 stops48h 00m
Deal found 8/10![Cathay Pacific logo]()
$1,688
This Cathay Pacific deal was found by Cheapflights users on 8/12. 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 9/810:10 am -
1 stop43h 10m
Tue 9/224:15 pm -
2 stops33h 10m
Deal found 8/12![Multiple Airlines logo]()
$1,538
This Cathay Pacific deal was found by Cheapflights users on 8/13. 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.
Thu 10/16:30 pm -
2 stops34h 25m
Fri 10/94:15 pm -
2 stops33h 45m
Deal found 8/13![Multiple Airlines logo]()
$1,622
Last-minute flights from Sydney to O'Hare IntlDiscover last-minute flight deals from Sydney to O'Hare Intl. Data last updated August 13, 2026 and is based on user searches.
Discover last-minute flight deals from Sydney to O'Hare Intl. Data last updated August 13, 2026 and is based on user searches.
This BYOjet deal was found by Cheapflights users on 8/10. 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.
Thu 8/139:55 am -
2 stops28h 31m
Tue 8/181:58 pm -
2 stops27h 47m
Deal found 8/10![Air New Zealand logo]()
$1,234
This BYOjet deal was found by Cheapflights users on 8/10. 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.
Thu 8/139:55 am -
2 stops28h 31m
Thu 8/272:00 pm -
2 stops27h 45m
Deal found 8/10![Air New Zealand logo]()
$1,285
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Mon 8/175:50 pm -
1 stop27h 27m
Sat 8/299:20 pm -
1 stop43h 10m
Deal found 8/12![Multiple Airlines logo]()
$1,347
This BYOjet deal was found by Cheapflights users on 8/12. 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.
Mon 8/176:00 am -
2 stops26h 47m
Sat 8/295:16 pm -
2 stops26h 14m
Deal found 8/12![Qantas Airways logo]()
$1,349
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 8/205:50 pm -
1 stop27h 09m
Sat 9/59:20 pm -
1 stop43h 10m
Deal found 8/10![Multiple Airlines logo]()
$1,301
This Trip.com deal was found by Cheapflights users on 8/10. 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.
Mon 8/249:30 am -
1 stop35h 47m
Thu 8/279:20 pm -
1 stop42h 40m
Deal found 8/10![Multiple Airlines logo]()
$1,282
This Kiwi.com deal was found by Cheapflights users on 8/9. 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 8/305:50 pm -
1 stop27h 09m
Mon 9/146:00 am -
2 stops34h 30m
Deal found 8/9![Multiple Airlines logo]()
$1,344
This Trip.com deal was found by Cheapflights users on 8/12. 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 9/81:15 pm -
2 stops32h 02m
Tue 9/226:30 am -
3 stops48h 55m
Deal found 8/12![Multiple Airlines logo]()
$828
This BYOjet deal was found by Cheapflights users on 8/11. 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.
Tue 9/89:55 am -
2 stops28h 10m
Tue 9/224:00 pm -
2 stops27h 40m
Deal found 8/11![Air New Zealand logo]()
$1,303
This Trip.com deal was found by Cheapflights users on 8/12. 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.
Wed 9/91:15 pm -
3 stops35h 05m
Wed 9/166:00 am -
3 stops38h 50m
Deal found 8/12![Multiple Airlines logo]()
$811
This Jetabroad deal was found by Cheapflights users on 8/11. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/99:55 am -
2 stops28h 10m
Tue 9/154:00 pm -
2 stops25h 45m
Deal found 8/11![Air New Zealand logo]()
$1,304
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 13, 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 13, 2026.
This Kiwi.com deal was found by Cheapflights users on 8/11. 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 8/11![Multiple Airlines logo]()
$492
This Kiwi.com deal was found by Cheapflights users on 8/12. 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.
Fri 9/46:00 am -
3 stops39h 17m
Deal found 8/12![Multiple Airlines logo]()
$645
This Kiwi.com deal was found by Cheapflights users on 8/10. 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 8/277:10 am -
3 stops47h 50m
Deal found 8/10![Multiple Airlines logo]()
$664
This Trip.com deal was found by Cheapflights users on 8/10. 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 8/255:50 pm -
1 stop27h 27m
Deal found 8/10![Multiple Airlines logo]()
$687
This Bravofly deal was found by Cheapflights users on 8/9. 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.
Thu 9/248:50 pm -
1 stop33h 50m
Deal found 8/9![Etihad Airways logo]()
$692
This SmartFares deal was found by Cheapflights users on 8/11. 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 9/228:50 pm -
1 stop33h 50m
Deal found 8/11![Etihad Airways logo]()
$694
This BYOjet deal was found by Cheapflights users on 8/11. 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.
Thu 10/89:35 pm -
1 stop34h 05m
Deal found 8/11![Etihad Airways logo]()
$700
This Aunt Betty deal was found by Cheapflights users on 8/9. 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 Aunt Betty is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/229:35 pm -
1 stop51h 00m
Deal found 8/9![Etihad Airways logo]()
$702
This Etihad Airways deal was found by Cheapflights users on 8/9. 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 Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/268:50 pm -
1 stop33h 50m
Deal found 8/9![Etihad Airways logo]()
$709
This Trip.com deal was found by Cheapflights users on 8/11. 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 8/185:50 pm -
1 stop27h 27m
Deal found 8/11![Multiple Airlines logo]()
$712
This Trip.com deal was found by Cheapflights users on 8/12. 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.
Wed 9/210:20 am -
2 stops34h 39m
Deal found 8/12![Multiple Airlines logo]()
$720
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 13, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $811 (Trip.com) |
One-way from | $492 (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 13, 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
Mon 11/2
9:30 pm-3:00 pm
1 stop34h 30m
Chicago O'Hare Intl
Sat 11/7
8:20 pm-6:30 am
1 stop41h 10m
$1,359
Quickest round-trip
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Mon 11/2
11:50 am-8:37 pm
2 stops25h 47m
Chicago O'Hare Intl
Sat 11/7
2:00 pm-8:35 am
2 stops25h 35m
$1,360
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Sun 9/27
3:40 pm-5:38 pm
2 stops40h 58m
Chicago O'Hare Intl
Sun 10/4
8:25 pm-5:50 pm
1 stop29h 25m
$1,481
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Wed 9/23
3:40 pm-8:35 am
1 stop31h 55m
Chicago O'Hare Intl
Wed 9/30
11:05 am-7:20 am
2 stops29h 15m
$1,526
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Tue 9/8
10:10 am-2:20 pm
1 stop43h 10m
Chicago O'Hare Intl
Tue 9/22
4:15 pm-4:25 pm
2 stops33h 10m
$1,538
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Thu 10/1
2:05 pm-1:55 pm
1 stop38h 50m
Chicago O'Hare Intl
Fri 10/9
4:15 pm-7:45 am
2 stops47h 30m
$1,585
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Thu 10/1
6:30 pm-1:55 pm
2 stops34h 25m
Chicago O'Hare Intl
Fri 10/9
4:15 pm-6:00 pm
2 stops33h 45m
$1,622
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Fri 10/9
8:40 am-1:55 pm
1 stop45h 15m
Chicago O'Hare Intl
Sat 10/10
4:15 pm-8:15 am
2 stops48h 00m
$1,688
Cheapest one-way
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Sat 9/26
8:50 pm-3:40 pm
1 stop33h 50m
$709
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Fri 9/18
6:40 pm-9:20 am
3 stops53h 40m
$872
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 $924). 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 $998 and $1,633 in September.The cheapest round-trip price found within the last 5 days was $811 on Multiple Airlines (Sep 9-Sep 16).
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 13, 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
Food
7.0
Crew
8.1
Comfort
7.4
Overall
7.5
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentTania,May 2026
SYD - DFW
Entertainment
7.2
Food
7.0
Crew
8.1
Comfort
7.4
Overall
7.5
Boarding
7.7
Reviews
1 / 20
10.0
ExcellentTania,May 2026
SYD - DFW
Entertainment
7.2
Food
7.0
Crew
8.1
Comfort
7.4
Overall
7.5
Boarding
7.7
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
South Holland
Libertyville
Gurnee
Orland Park
Hoffman Estates
Beloit
Rockford
Aurora
Racine
Great Lakes
Janesville
Joliet
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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 13, 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% |