This is the cheapest return flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
ONT — JNB
Nov 30 — Dec 71
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Find flights from Ontario within your budget
Find flights departing from Ontario that match your specified budget. Filter results by price range, allowing you to narrow down options and find flights that fit within your financial constraints. Please note that the search results are based on data from user searches, with fares last updated on 31 October 2026. In the last 7 days, Cheapflights users made a total of 7 457 451 searches
Fly to
Route
Depart
Return
Price
Cheapest return flight
OntarioChicago
ONT Ontario - ORD Chicago O'Hare Intl
ONTORD
Ontario
Wed 2/12
13:11-21:56
1 stop6h 45m
Chicago O'Hare Intl
Wed 31/12
0:00-22:00
Nonstop0h 00m
R2 166
OntarioChicago
ONT Ontario - ORD Chicago O'Hare Intl
ONTORD
Ontario
Wed 7/4
12:00-23:59
1 stop9h 59m
Chicago O'Hare Intl
Wed 31/12
0:00-22:00
Nonstop0h 00m
R2 816
OntarioChicago
ONT Ontario - ORD Chicago O'Hare Intl
ONTORD
Ontario
Sat 13/3
11:55-23:46
1 stop9h 51m
Chicago O'Hare Intl
Wed 31/12
0:00-22:00
Nonstop0h 00m
R2 816
OntarioChicago
ONT Ontario - ORD Chicago O'Hare Intl
ONTORD
Ontario
Thu 19/11
17:56-9:04
2 stops13h 08m
Chicago O'Hare Intl
Wed 31/12
0:00-22:00
Nonstop0h 00m
R2 899
OntarioChicago
ONT Ontario - ORD Chicago O'Hare Intl
ONTORD
Ontario
Tue 8/12
7:00-13:11
Nonstop4h 11m
Chicago O'Hare Intl
Wed 31/12
0:00-22:00
Nonstop0h 00m
R2 982
OntarioChicago
ONT Ontario - ORD Chicago O'Hare Intl
ONTORD
Ontario
Tue 17/11
7:05-19:05
1 stop10h 00m
Chicago O'Hare Intl
Wed 31/12
0:00-22:00
Nonstop0h 00m
R3 432
OntarioChicago
ONT Ontario - ORD Chicago O'Hare Intl
ONTORD
Ontario
Sun 7/2
11:36-23:59
1 stop10h 23m
Chicago O'Hare Intl
Wed 31/12
0:00-22:00
Nonstop0h 00m
R3 499
Fastest return journey
OntarioChicago
ONT Ontario - ORD Chicago O'Hare Intl
ONTORD
Ontario
Sat 26/12
23:52-5:46
Nonstop3h 54m
Chicago O'Hare Intl
Wed 31/12
0:00-22:00
Nonstop0h 00m
R3 649
OntarioChicago
ONT Ontario - ORD Chicago O'Hare Intl
ONTORD
Ontario
Tue 22/12
23:52-5:46
Nonstop3h 54m
Chicago O'Hare Intl
Wed 31/12
0:00-22:00
Nonstop0h 00m
R3 832
OntarioChicago
ONT Ontario - ORD Chicago O'Hare Intl
ONTORD
Ontario
Fri 4/12
7:00-13:11
Nonstop4h 11m
Chicago O'Hare Intl
Wed 31/12
0:00-22:00
Nonstop0h 00m
R3 832
Flights are sorted by cheapest return flights first.
Deals found on 30/10
Showing 1-10 of 23 resultsSorted by cheapest first
1
2
3
Best time to book a flight from Ontario
Have a flexible travel schedule? Discover the best time to fly from Ontario with our price prediction graph.
ONT-JNB
ONT-ORD
ONT-DXB
ONT-HKT
Estimated return 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.
Travel insights for flights from Ontario
Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.
ONT-JNB
ONT-ORD
ONT-DXB
ONT-HKT
No data available for this route at this time. Please check back soon.
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Access useful and relevant information related to your journey from Ontario. This can include details such as airport transportation, visa requirements, travel insurance, luggage regulations, and any other information that can ensure a smooth and hassle-free travel experience. Please note that the information is based on general guidance and may need to be verified with official sources. Data last updated 31 October 2026.
What are the most popular destinations to fly to from Ontario?
The most selected flight destinations from Ontario for the current month are Guadalajara, Las Vegas, Dallas/Fort Worth Airport. While Las Vegas, Dallas/Fort Worth Airport, Guadalajara are the top choices made by travellers year-round.
How does Cheapflights help users find flights from Ontario?
When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.
Why should you use Cheapflights to find cheap flight tickets from Ontario?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Ontario with no change fees?
Need flexible booking options for your flight from Ontario ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Ontario become cheaper?
Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.
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Fly with Cheapflights
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Ontario?
When you search for this flight from Ontario, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the best flight for you.
Why should you use Cheapflights to find cheap flight tickets from Ontario?
Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Ontario for you. Better yet — we are completely free to use.
Can Cheapflights find flights from Ontario with no change fees?
Need flexible booking options for your flight from Ontario ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.
Can Cheapflights notify me if prices for flights from Ontario become cheaper?
Of course! You can now track prices for flights from Ontario and get an alert from Cheapflights when they change. Click the bell icon next to the flight deals above and provide your email address to set up price alerts.
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