$695+ Cheap flights from Sydney (SYD) to O'Hare Intl (ORD)
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
Oct 24 — Oct 311
Round-trip
1 adult, Economy
We work with more than 300 partners to bring you better travel deals
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 September 24, 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 September 24, 2026.
This Trip.com deal was found by Cheapflights users on 9/21. 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.
Thu 11/52:00 pm -
3 stops32h 13m
Thu 11/1210:26 am -
3 stops33h 09m
Deal found 9/21![Multiple Airlines logo]()
$1,067
This Trip.com deal was found by Cheapflights users on 9/19. 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.
Thu 10/86:50 pm -
2 stops26h 26m
Sat 10/246:30 am -
2 stops31h 55m
Deal found 9/19![Multiple Airlines logo]()
$1,261
This Jetabroad deal was found by Cheapflights users on 9/23. 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.
Thu 11/52:05 pm -
2 stops27h 54m
Thu 11/1211:52 am -
2 stops27h 43m
Deal found 9/23![Air New Zealand logo]()
$1,262
This SmartFares deal was found by Cheapflights users on 9/19. 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.
Thu 11/1910:20 pm -
1 stop31h 10m
Thu 11/262:10 pm -
1 stop48h 05m
Deal found 9/19![Cathay Pacific logo]()
$1,270
This SmartFares deal was found by Cheapflights users on 9/21. 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.
Thu 11/510:20 pm -
1 stop31h 10m
Thu 11/122:10 pm -
1 stop26h 25m
Deal found 9/21![Cathay Pacific logo]()
$1,271
This Aunt Betty deal was found by Cheapflights users on 9/19. 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 11/199:55 am -
2 stops30h 31m
Thu 11/2610:25 am -
2 stops29h 10m
Deal found 9/19![Air New Zealand logo]()
$1,276
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 10/176:50 pm -
1 stop27h 44m
Sat 10/242:14 pm -
2 stops26h 41m
Deal found 9/19![Multiple Airlines logo]()
$1,291
This Aunt Betty deal was found by Cheapflights users on 9/19. 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.
Tue 10/277:30 am -
2 stops30h 06m
Wed 11/1110:25 am -
2 stops38h 50m
Deal found 9/19![Air New Zealand logo]()
$1,298
This Flightnetwork deal was found by Cheapflights users on 9/19. 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 Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/43:15 pm -
1 stop38h 15m
Wed 11/112:10 pm -
1 stop29h 50m
Deal found 9/19![Cathay Pacific logo]()
$1,303
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 September 24, 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 September 24, 2026.
This BYOjet deal was found by Cheapflights users on 9/23. 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.
Wed 10/1411:55 am -
2 stops25h 42m
Thu 10/293:47 pm -
2 stops24h 48m
Deal found 9/23![Air New Zealand logo]()
$1,327
This Cathay Pacific deal was found by Cheapflights users on 9/23. 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 11/510:20 pm -
1 stop31h 10m
Mon 11/92:10 pm -
1 stop37h 40m
Deal found 9/23![Cathay Pacific logo]()
$1,329
This Cathay Pacific deal was found by Cheapflights users on 9/19. 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 11/197:45 pm -
2 stops33h 45m
Thu 11/262:10 pm -
1 stop37h 40m
Deal found 9/19![Multiple Airlines logo]()
$1,407
This Turkish Airlines deal was found by Cheapflights users on 9/19. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/39:35 pm -
2 stops38h 45m
Tue 11/108:15 pm -
2 stops54h 10m
Deal found 9/19![Turkish Airlines logo]()
$1,472
This Cathay Pacific deal was found by Cheapflights users on 9/20. 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.
Mon 11/29:05 pm -
2 stops32h 25m
Mon 11/92:10 pm -
1 stop26h 25m
Deal found 9/20![Multiple Airlines logo]()
$1,414
This Turkish Airlines deal was found by Cheapflights users on 9/23. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/810:05 pm -
2 stops51h 35m
Thu 11/512:45 pm -
2 stops37h 40m
Deal found 9/23![Turkish Airlines logo]()
$1,520
This Cathay Pacific deal was found by Cheapflights users on 9/19. 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 10/277:45 pm -
2 stops33h 45m
Wed 11/112:10 pm -
1 stop29h 50m
Deal found 9/19![Multiple Airlines logo]()
$1,417
This Philippine Airlines deal was found by Cheapflights users on 9/22. 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 Philippine Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/611:30 am -
2 stops35h 10m
Fri 11/1310:45 pm -
1 stop42h 05m
Deal found 9/22![Multiple Airlines logo]()
$1,425
This Cathay Pacific deal was found by Cheapflights users on 9/21. 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 11/57:45 pm -
2 stops33h 45m
Thu 11/122:10 pm -
1 stop29h 50m
Deal found 9/21![Multiple Airlines logo]()
$1,454
Last-minute flights from Sydney to O'Hare IntlDiscover last-minute flight deals from Sydney to O'Hare Intl. Data last updated September 24, 2026 and is based on user searches.
Discover last-minute flight deals from Sydney to O'Hare Intl. Data last updated September 24, 2026 and is based on user searches.
This BestPriceTravel deal was found by Cheapflights users on 9/23. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:10 am -
1 stop29h 20m
Wed 10/141:50 pm -
1 stop26h 15m
Deal found 9/23![Qantas Airways logo]()
$1,310
This Trip.com deal was found by Cheapflights users on 9/19. 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.
Thu 10/86:50 pm -
2 stops26h 26m
Sat 10/246:30 am -
2 stops31h 55m
Deal found 9/19![Multiple Airlines logo]()
$1,261
This BestPriceTravel deal was found by Cheapflights users on 9/21. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1210:10 am -
1 stop21h 49m
Tue 10/276:55 pm -
1 stop22h 05m
Deal found 9/21![Qantas Airways logo]()
$1,321
This BYOjet deal was found by Cheapflights users on 9/23. 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.
Wed 10/1411:55 am -
2 stops25h 42m
Thu 10/293:47 pm -
2 stops24h 48m
Deal found 9/23![Air New Zealand logo]()
$1,327
This BestPriceTravel deal was found by Cheapflights users on 9/23. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/1410:10 am -
1 stop25h 50m
Thu 10/296:55 pm -
1 stop22h 05m
Deal found 9/23![Qantas Airways logo]()
$1,360
This Kiwi.com deal was found by Cheapflights users on 9/19. 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 10/176:50 pm -
1 stop27h 44m
Sat 10/242:14 pm -
2 stops26h 41m
Deal found 9/19![Multiple Airlines logo]()
$1,291
This Cathay Pacific deal was found by Cheapflights users on 9/20. 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.
Mon 10/1910:20 pm -
1 stop31h 35m
Mon 10/263:10 pm -
1 stop29h 50m
Deal found 9/20![Cathay Pacific logo]()
$1,341
This Aunt Betty deal was found by Cheapflights users on 9/19. 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.
Tue 10/277:30 am -
2 stops30h 06m
Wed 11/1110:25 am -
2 stops38h 50m
Deal found 9/19![Air New Zealand logo]()
$1,298
This Bravofly deal was found by Cheapflights users on 9/19. 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.
Tue 10/2710:20 pm -
1 stop31h 10m
Wed 11/112:10 pm -
1 stop29h 50m
Deal found 9/19![Cathay Pacific logo]()
$1,306
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 September 24, 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 September 24, 2026.
This Aunt Betty deal was found by Cheapflights users on 9/23. 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 10/18:50 pm -
1 stop50h 45m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Etihad Airways logo]()
$695
This BYOjet deal was found by Cheapflights users on 9/23. 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.
Wed 9/303:40 pm -
1 stop39h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Etihad Airways logo]()
$708
This Gotogate deal was found by Cheapflights users on 9/21. 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.
Tue 11/39:30 pm -
1 stop51h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![Etihad Airways logo]()
$725
This Gotogate deal was found by Cheapflights users on 9/22. 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.
Fri 11/69:30 pm -
1 stop51h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Etihad Airways logo]()
$727
This oojo deal was found by Cheapflights users on 9/19. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/79:30 pm -
1 stop51h 25m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/19![Etihad Airways logo]()
$734
This Thrive Travel deal was found by Cheapflights users on 9/23. 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 Thrive Travel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/19:10 am -
2 stops26h 11m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/23![Qantas Airways logo]()
$772
This Kiwi.com deal was found by Cheapflights users on 9/22. 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 10/224:10 pm -
3 stops54h 24m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/22![Multiple Airlines logo]()
$775
This Kiwi.com deal was found by Cheapflights users on 9/20. 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 12/158:20 pm -
3 stops45h 34m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/20![Multiple Airlines logo]()
$795
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 September 24, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $1,067 (Trip.com) |
One-way from | $714 (BYOjet) |
Popular in | January |
Cheapest in | October |
Average price | $1,322 |
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 7,457,451 searches. Data last updated September 24, 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
Sat 11/7
9:30 pm-7:55 am
1 stop51h 25m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$734
Quickest round-trip
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Sat 11/7
6:30 pm-12:30 pm
2 stops35h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$903
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Fri 12/25
9:30 pm-7:25 pm
2 stops38h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$984
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Wed 9/30
3:40 pm-2:20 pm
2 stops37h 40m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$990
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Wed 10/14
11:55 am-9:37 pm
2 stops25h 42m
Chicago O'Hare Intl
Thu 10/29
3:47 pm-8:35 am
2 stops24h 48m
$1,327
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Thu 11/5
10:20 pm-12:30 pm
1 stop31h 10m
Chicago O'Hare Intl
Mon 11/9
2:10 pm-8:50 pm
1 stop37h 40m
$1,329
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Thu 11/19
7:45 pm-12:30 pm
2 stops33h 45m
Chicago O'Hare Intl
Thu 11/26
2:10 pm-8:50 pm
1 stop37h 40m
$1,407
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Mon 11/2
9:05 pm-12:30 pm
2 stops32h 25m
Chicago O'Hare Intl
Mon 11/9
2:10 pm-9:35 am
1 stop26h 25m
$1,414
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Tue 10/27
7:45 pm-1:30 pm
2 stops33h 45m
Chicago O'Hare Intl
Wed 11/11
2:10 pm-1:00 pm
1 stop29h 50m
$1,417
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Fri 11/6
11:30 am-5:40 am
2 stops35h 10m
Chicago O'Hare Intl
Fri 11/13
10:45 pm-9:50 am
1 stop42h 05m
$1,425
Showing 1-10 of 13 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 September.
| 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 1 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, October is the cheapest month in which you can book a flight from Sydney to Chicago O'Hare Intl Airport (average of $1,061). 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 $1,158 and $1,482 in November.The cheapest round-trip price found within the last 5 days was $1,067 on Multiple Airlines (Nov 5-Nov 12).
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 September 24, 2026.
See what other customers who have flown with Qantas Airways 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.
Comfort
7.4
Entertainment
7.2
Crew
8.1
Boarding
7.7
Overall
7.5
Food
7.0
Reviews
1 / 20
10.0
ExcellentTania,May 2026
SYD - DFW
Comfort
7.4
Entertainment
7.2
Crew
8.1
Boarding
7.7
Overall
7.5
Food
7.0
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
Des Plaines
Lake Geneva
Naperville
Glenview
Schaumburg
Oakbrook Terrace
Delavan
Oak Brook
Aurora
Libertyville
Rockford
Hoffman Estates
Beloit
Orland Park
South Holland
Elgin
Racine
Janesville
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
Complete your trip
Flights by cabin class
O'Hare Intl flight routes
Other flight options
Other flights from Sydney
Popular flights
Complete your trip
Complete your trip to O'Hare Intl by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Sydney to O'Hare Intl by cabin class
Find flights from Sydney to O'Hare Intl, based on your preferred cabin class, be it economy, premium economy, business, or first class.
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 September 24, 2026.
Sydney and O'Hare Intl flights
Browse other Sydney and O'Hare Intl flight options. Last updated on September 24, 2026.
Other flights from Sydney
Browse through other flights departing from Sydney. Flights are based on user searches made on Cheapflights and were last updated on September 24, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Top airline flying from Sydney to O'Hare Intl
Discover the top airline 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 7,457,451 searches. Data last updated September 24, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$970 | Average$1,633 | FlexibilityNo cancel fee | On-time74% |