Cheap flights from Sydney to Chicago O'Hare Intl Airport from $702
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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
Cheapflights Tip: The best prices from Sydney Kingsford Smith to Chicago O'Hare Intl are usually found in February or May, booked 28 days in advance, depart on a Monday or Thursday and return on a Friday
Cheap flight deals from Sydney to O'Hare Intl
Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to O'Hare Intl (ORD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 8 July 2025.
Round-trip from | $1,481 |
---|---|
One-way from | $702 |
Popular in | December |
Cheapest in | February |
Average price | $1,294 |
Find flight deals from Sydney to O'Hare Intl
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 8 July 2025.
Explore the most affordable flight options available from Sydney to O'Hare Intl. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 8 July 2025.
Cheapflights Fare Finder
Customise your flight search to find flights from Sydney to O'Hare Intl that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 8 July 2025.
Use the filters below to find and compare flights from Sydney to Chicago O'Hare Intl Airport that are best for you.
Fly from
Fly to
Route
Depart
Return
Price
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Wed 20/8
11:50-05:40
2 stops32h 50m
Chicago O'Hare Intl
Wed 27/8
07:05-10:35
2 stops36h 30m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Fri 8/8
10:25-15:50
1 stop20h 25m
Chicago O'Hare Intl
Thu 28/8
08:55-07:05
1 stop31h 10m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Tue 11/11
11:45-18:50
2 stops24h 05m
Chicago O'Hare Intl
Sun 16/11
14:30-10:30
2 stops27h 00m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Sat 2/8
09:10-14:17
1 stop20h 07m
Chicago O'Hare Intl
Fri 15/8
11:45-07:05
1 stop28h 20m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Sat 1/11
12:25-05:16
2 stops32h 51m
Chicago O'Hare Intl
Sat 15/11
16:25-20:15
1 stop34h 50m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Fri 12/9
16:20-07:03
2 stops29h 43m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Fri 17/10
21:30-08:45
1 stop51h 15m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Tue 5/8
09:10-20:58
2 stops26h 48m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Mon 1/12
11:20-14:55
3 stops44h 35m
SydneyChicago
SYD - ORD
SYDORD
Sydney Kingsford Smith
Sun 28/9
10:10-14:25
1 stop43h 15m
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.
Cheapflights Insights
Everything you need to know about your flight from Sydney to Chicago O'Hare Intl Airport
How far ahead should I book a flight from Sydney to Chicago O'Hare Intl Airport?
Use this chart to determine the optimal time to book a return flight from Sydney to O'Hare Intl. Price data was last updated on 27 June 2025.
The best time to book flights from Sydney to Chicago O'Hare Intl Airport is 28 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.
What is the cheapest time of day to fly from SYD to ORD?
Find hourly flight availability from Sydney to O'Hare Intl. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 8 July 2025.
It’s optimal to fly from Sydney to Chicago O'Hare Intl Airport in the afternoon. By choosing this option you can save up to 12% on the cost of your flight, compared to a flight in the morning.
What is the cheapest day to fly from Sydney to Chicago O'Hare Intl Airport?
Use this chart to determine the cheapest time to fly return from Sydney to O'Hare Intl. Price data was last updated on 16 December 2024.
Travellers seeking maximum savings on their Sydney to Chicago O'Hare Intl Airport flight should consider departing on Thursday afternoons when fares are most often at their lowest. Thursday at midday flights should be avoided if possible as fares are typically the most expensive at this time.
How much does it cost for a return flight from Sydney to Chicago O'Hare Intl Airport?
Reviews of airlines servicing O'Hare Intl
Get insights into the airlines that provide service to O'Hare Intl. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to O'Hare Intl. Reviews last updated 8 July 2025.
Check out reviews from past customers who have flown with ANA, Japan Airlines, andSingapore Airlines from Sydney to Chicago O'Hare Intl Airport to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Kenneth,July 2025
SFO - HND
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Kenneth,July 2025
SFO - HND
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Kenneth,July 2025
SFO - HND
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Kenneth,July 2025
SFO - HND
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Kenneth,July 2025
SFO - HND
Comfort
Overall
Boarding
Crew
Food
Entertainment
Reviews
Kenneth,July 2025
SFO - HND
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.
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Alternative routes for Sydney to O'Hare Intl
See prices for flight routes from nearby airports that may be better suited for you.
Top 7 airlines flying from Sydney to O'Hare Intl
Discover the top 7 airlines that operate flights from Sydney to O'Hare Intl. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 8 July 2025.
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