S$ 151+ Cheap flights from Ontario
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 5-10. 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.
What to know about flights from Ontario
Discover essential information about flights departing from Ontario, including flight schedules, destinations, airlines operating at the Ontario airport, and any specific guidelines or requirements for travellers. Please note that the information is based on the most recent updates available. Data last updated 12 September 2025.
Good round-trip deal | S$ 395 or less |
|---|---|
Good one-way deal | S$ 122 or less |
Find flights from Ontario
Cheapest flights from OntarioExplore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 12 September 2025.
Explore the most affordable flight options available from Ontario. Find the lowest fares based on data from user searches, with prices last updated on 12 September 2025.
Find flights from Ontario within your budget
Fly to
Route
Depart
Return
Price
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Tue 25-11
11:00-12:05
Nonstop2h 05m
Chicago O'Hare Intl
Sun 30-11
07:10-09:58
Nonstop1h 48m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Sun 23-11
06:50-07:55
Nonstop2h 05m
Chicago O'Hare Intl
Sun 30-11
07:10-09:58
Nonstop1h 48m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Fri 31-10
17:30-18:39
Nonstop2h 09m
Chicago O'Hare Intl
Mon 3-11
20:15-22:54
Nonstop1h 39m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Thu 2-10
09:00-09:55
Nonstop1h 55m
Chicago O'Hare Intl
Wed 15-10
21:12-23:58
Nonstop1h 46m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Fri 31-10
17:30-18:39
Nonstop2h 09m
Chicago O'Hare Intl
Mon 3-11
12:45-23:46
1 stop10h 01m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Thu 16-10
07:00-07:58
Nonstop1h 58m
Chicago O'Hare Intl
Mon 20-10
21:12-23:58
Nonstop1h 46m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Fri 24-10
12:15-18:14
1 stop6h 59m
Chicago O'Hare Intl
Mon 27-10
08:55-17:19
1 stop7h 24m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Tue 6-1
14:10-21:46
1 stop8h 36m
Chicago O'Hare Intl
Sat 31-1
07:00-13:43
1 stop5h 43m
TorontoChicago
YYZ - ORD
YYZORD
Toronto Pearson Intl
Thu 30-10
19:40-23:43
1 stop5h 03m
Chicago O'Hare Intl
Mon 3-11
10:00-23:46
1 stop12h 46m
TorontoChicago
YTZ - ORD
YTZORD
Toronto Island
Sun 26-10
10:25-18:55
1 stop9h 30m
Chicago O'Hare Intl
Thu 30-10
07:15-14:55
1 stop6h 40m
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.
Travel insights for flights from Ontario
Get recent, data-driven insights about flights from Ontario including ideal travel times, pricing trends, and more.
What is the cheapest month to book a flight from Region of Ontario?
Currently, September is the cheapest month in which you can book a flight from Region of Ontario (average of S$ 1,102). Flying from Region of Ontario in June will prove the most costly (average of S$ 1,304). There are multiple factors that influence the price of a flight so comparing airlines, departure airports and times can help keep costs down.
Which airlines fly from Region of Ontario?
When flying from Region of Ontario check dates and pricing for the following: United Airlines, Air Canada, Cathay Pacific, EVA Air. As they depart for the following popular destinations: Singapore.
What is the cheapest place to fly to from Region of Ontario?
The cheapest city to fly to from Region of Ontario is Boston Logan Intl, with prices starting at S$ 178. Explore other affordable destinations below.
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Direct flights from Canada
Book a direct flight from one of these other cities located in Canada.
Related info for your journey
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 12 September 2025.
Fly with Cheapflights
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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 helps you find that perfect flight from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!
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?
Yes! Start tracking prices for flights from Ontario today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive the alerts.