$431+ 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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ORD
Dec 5 — Dec 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
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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 November 5, 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 November 5, 2026.
This Qantas Airways deal was found by Cheapflights users on 11/3. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/411:10 am -
1 stop22h 50m
Wed 11/116:45 pm -
1 stop21h 15m
Deal found 11/3![Qantas Airways logo]()
$732
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Thu 11/1211:10 am -
1 stop23h 49m
Mon 11/165:15 pm -
1 stop22h 45m
Deal found 10/31![American Airlines logo]()
$735
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:10 am -
1 stop28h 20m
Sun 11/1510:32 am -
1 stop29h 28m
Deal found 11/1![American Airlines logo]()
$736
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:40 am -
2 stops28h 07m
Mon 11/2311:19 am -
2 stops28h 11m
Deal found 11/1![Delta logo]()
$739
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/210:40 am -
2 stops28h 25m
Sun 11/152:32 pm -
1 stop24h 58m
Deal found 11/1![Delta logo]()
$741
This Bravofly deal was found by Cheapflights users on 11/2. 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.
Mon 11/1611:10 am -
1 stop21h 55m
Mon 11/309:03 pm -
1 stop42h 57m
Deal found 11/2![Qantas Airways logo]()
$757
This Ovago deal was found by Cheapflights users on 11/1. 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 Ovago is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/211:10 am -
1 stop28h 20m
Tue 11/106:45 pm -
1 stop21h 15m
Deal found 11/1![Qantas Airways logo]()
$764
This Qantas Airways deal was found by Cheapflights users on 11/3. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:15 am -
1 stop22h 27m
Thu 12/35:15 pm -
1 stop22h 45m
Deal found 11/3![Multiple Airlines logo]()
$782
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:10 am -
1 stop23h 49m
Thu 12/35:15 pm -
1 stop22h 45m
Deal found 11/1![American Airlines logo]()
$784
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Thu 11/1211:10 am -
2 stops21h 50m
Sat 11/286:40 am -
1 stop33h 20m
Deal found 10/31![American Airlines logo]()
$785
This Delta deal was found by Cheapflights users on 10/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:40 am -
2 stops28h 07m
Sat 11/289:59 am -
2 stops29h 31m
Deal found 10/31![Delta logo]()
$788
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 November 5, 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 November 5, 2026.
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/2310:40 am -
2 stops24h 25m
Tue 12/88:39 am -
2 stops30h 51m
Deal found 11/3![Delta logo]()
$1,385
This Qantas Airways deal was found by Cheapflights users on 11/2. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/2211:10 am -
1 stop23h 01m
Mon 12/79:30 am -
2 stops28h 25m
Deal found 11/2![Multiple Airlines logo]()
$1,434
This Turkish Airlines deal was found by Cheapflights users on 11/4. 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 Turkish Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/189:35 pm -
2 stops37h 45m
Mon 2/228:15 pm -
2 stops54h 10m
Deal found 11/4![Turkish Airlines logo]()
$1,623
This Qatar Airways deal was found by Cheapflights users on 11/2. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 4/268:50 am -
3 stops45h 15m
Sat 5/86:00 am -
2 stops44h 05m
Deal found 11/2![Qatar Airways logo]()
$1,885
This Qantas Airways deal was found by Cheapflights users on 11/2. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/2211:10 am -
1 stop29h 17m
Wed 1/610:30 am -
1 stop26h 55m
Deal found 11/2![Qantas Airways logo]()
$2,098
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:40 am -
2 stops27h 53m
Mon 11/307:45 am -
1 stop31h 45m
Deal found 11/2![Delta logo]()
$1,388
This Delta deal was found by Cheapflights users on 11/3. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2610:40 am -
2 stops25h 25m
Thu 12/33:47 pm -
2 stops23h 43m
Deal found 11/3![Delta logo]()
$1,437
This Cathay Pacific deal was found by Cheapflights users on 11/2. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:45 am -
2 stops41h 45m
Mon 11/302:10 pm -
2 stops32h 45m
Deal found 11/2![Multiple Airlines logo]()
$1,659
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1610:40 am -
2 stops28h 07m
Thu 12/38:39 am -
2 stops30h 51m
Deal found 11/1![Delta logo]()
$1,441
This Cathay Pacific deal was found by Cheapflights users on 11/4. 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 Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:45 am -
2 stops41h 45m
Thu 12/32:10 pm -
2 stops33h 45m
Deal found 11/4![Multiple Airlines logo]()
$1,673
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/2110:40 am -
2 stops24h 49m
Tue 1/57:15 am -
2 stops30h 35m
Deal found 11/1![Delta logo]()
$2,120
Last-minute flights from Sydney to O'Hare IntlDiscover last-minute flight deals from Sydney to O'Hare Intl. Data last updated November 5, 2026 and is based on user searches.
Discover last-minute flight deals from Sydney to O'Hare Intl. Data last updated November 5, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/911:10 am -
1 stop23h 49m
Mon 11/239:03 pm -
1 stop42h 57m
Deal found 11/1![American Airlines logo]()
$736
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/910:40 am -
2 stops28h 07m
Mon 11/2311:19 am -
2 stops28h 11m
Deal found 11/1![Delta logo]()
$739
This Mytrip deal was found by Cheapflights users on 11/1. 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.
Mon 11/92:00 pm -
3 stops32h 13m
Mon 11/2312:05 pm -
3 stops31h 30m
Deal found 11/1![Multiple Airlines logo]()
$1,090
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Thu 11/1211:10 am -
1 stop23h 49m
Mon 11/165:15 pm -
1 stop22h 45m
Deal found 10/31![American Airlines logo]()
$735
This American Airlines deal was found by Cheapflights users on 10/31. 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.
Thu 11/1211:10 am -
2 stops21h 50m
Sat 11/286:40 am -
1 stop33h 20m
Deal found 10/31![American Airlines logo]()
$785
This Delta deal was found by Cheapflights users on 10/31. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1210:40 am -
2 stops28h 07m
Sat 11/289:59 am -
2 stops29h 31m
Deal found 10/31![Delta logo]()
$788
This Bravofly deal was found by Cheapflights users on 11/2. 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.
Mon 11/1611:10 am -
1 stop21h 55m
Mon 11/309:03 pm -
1 stop42h 57m
Deal found 11/2![Qantas Airways logo]()
$757
This American Airlines deal was found by Cheapflights users on 11/1. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/1611:10 am -
1 stop23h 49m
Thu 12/35:15 pm -
1 stop22h 45m
Deal found 11/1![American Airlines logo]()
$784
This Qantas Airways deal was found by Cheapflights users on 11/3. 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 Qantas Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:15 am -
1 stop22h 27m
Thu 12/35:15 pm -
1 stop22h 45m
Deal found 11/3![Multiple Airlines logo]()
$782
This Globehunters deal was found by Cheapflights users on 11/3. 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 Globehunters is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/2611:10 am -
1 stop21h 06m
Thu 12/33:25 pm -
1 stop24h 35m
Deal found 11/3![Qantas Airways logo]()
$794
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 November 5, 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 November 5, 2026.
This Delta deal was found by Cheapflights users on 11/1. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/210:40 am -
2 stops27h 56m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Delta logo]()
$431
This Kiwi.com deal was found by Cheapflights users on 11/1. 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.
Tue 2/22:00 pm -
3 stops27h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/1![Multiple Airlines logo]()
$469
This Trip.com deal was found by Cheapflights users on 11/4. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/286:00 am -
2 stops42h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$471
This Booking.com deal was found by Cheapflights users on 11/3. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/26:00 am -
3 stops35h 53m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/3![Multiple Airlines logo]()
$477
This Kiwi.com deal was found by Cheapflights users on 11/4. 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 2/62:00 pm -
3 stops27h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$487
This Delta deal was found by Cheapflights users on 11/2. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 3/510:40 am -
2 stops30h 19m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Delta logo]()
$490
This Kiwi.com deal was found by Cheapflights users on 11/4. 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.
Fri 3/52:00 pm -
2 stops34h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/4![Multiple Airlines logo]()
$521
This Kiwi.com deal was found by Cheapflights users on 11/2. 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.
Tue 3/302:15 pm -
2 stops32h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 11/2![Multiple Airlines logo]()
$528
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 November 5, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $735 (American Airlines) |
One-way from | $431 (Delta) |
Popular in | January |
Cheapest in | October |
Average price | $1,185 |
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 November 5, 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 2/2
1:35 pm-5:53 pm
1 stop21h 18m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$431
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Fri 3/5
10:40 am-11:59 pm
2 stops30h 19m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$490
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Sat 3/20
2:00 pm-6:10 am
3 stops32h 10m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$674
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Fri 12/4
9:40 pm-5:37 am
2 stops24h 57m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$983
Quickest round-trip
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Wed 12/30
10:40 am-2:00 pm
1 stop20h 20m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$1,281
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Mon 12/28
10:40 am-10:14 pm
1 stop28h 34m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$1,297
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Wed 1/6
9:20 am-7:15 pm
3 stops50h 55m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$1,301
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Fri 12/18
5:30 pm-2:30 pm
2 stops38h 00m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$1,338
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Fri 12/18
9:40 pm-1:19 pm
2 stops32h 39m
Chicago O'Hare Intl
Wed 12/31
12:00 am-4:00 pm
Nonstop0h 00m
$1,356
SydneyChicago
SYD Sydney Kingsford Smith - ORD Chicago O'Hare Intl
SYDORD
Sydney Kingsford Smith
Mon 11/23
10:40 am-6:05 pm
2 stops24h 25m
Chicago O'Hare Intl
Tue 12/8
8:39 am-8:30 am
2 stops30h 51m
$1,385
Showing 1-10 of 20 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 November.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars | |
| Price Accuracy2 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 44 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 $1,063). 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 $945 and $1,496 in February.The cheapest round-trip price found within the last 5 days was $735 on American Airlines (Feb 18-Feb 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 November 5, 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.
Boarding
7.7
Comfort
7.5
Overall
7.5
Entertainment
7.2
Crew
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentJodie,Oct 2026
SYD - GFF
Boarding
7.7
Comfort
7.5
Overall
7.5
Entertainment
7.2
Crew
8.1
Food
7.0
Reviews
1 / 20
8.0
ExcellentJodie,Oct 2026
SYD - GFF
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
Naperville
Lake Geneva
Des Plaines
Glenview
Oak Brook
Aurora
Oakbrook Terrace
Delavan
Schaumburg
Libertyville
Rockford
Hoffman Estates
Gurnee
Orland Park
South Holland
Beloit
Elgin
Racine
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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 November 5, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$970 | Average$1,633 | FlexibilityNo cancel fee | On-time74% |