United Airlines Ontario to Toronto Flights

Return flight: Toronto – Ontario

Cheapflightsplus.com will find cheap United Airlines flights from Ontario to Toronto. Compare airline ticket prices and book air tickets starting from $162 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Ontario (CA) — Toronto (ON) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in december: one-way - $162, two-way – $278.
Direct flights
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Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
10:39 am — 0:17 am
+1 day
10:35 am — 12:08 pm UA4639 United Airlines
Ontario — San Francisco
4h 5m stop
4:25 pm — 0:17 am UA8396 United Airlines
San Francisco — Toronto
10h 38m
including layover
Find flight
from$162
10:39 am — 6:43 am
+1 day
10:35 am — 12:08 pm UA4639 United Airlines
Ontario — San Francisco
10h 25m stop
10:45 pm — 6:43 am UA8516 United Airlines
San Francisco — Toronto
17h 4m
including layover
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from$162
3:30 pm — 7:30 am
+1 day
3:30 pm — 5:14 pm UA5660 United Airlines
Ontario — San Francisco
6h 17m stop
11:31 pm — 7:30 am UA436 United Airlines
San Francisco — Toronto
13h
including layover
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from$431
3:30 pm — 6:43 am
+1 day
3:30 pm — 5:14 pm UA5660 United Airlines
Ontario — San Francisco
5h 31m stop
10:45 pm — 6:43 am UA8516 United Airlines
San Francisco — Toronto
12h 13m
including layover
Find flight
from$431
5:10 am — 3:02 pm
5:10 am — 8:29 am UA2317 United Airlines
Ontario — Denver
1h 18m stop
9:47 am — 3:02 pm UA1874 United Airlines
Denver — Toronto
6h 52m
including layover
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from$162
5:10 am — 10:52 pm
5:10 am — 8:29 am UA2317 United Airlines
Ontario — Denver
9h 11m stop
5:40 pm — 10:52 pm UA8456 United Airlines
Denver — Toronto
14h 42m
including layover
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from$162
6:00 am — 10:37 pm
6:00 am — 11:03 am UA2360 United Airlines
Ontario — Houston
7h 22m stop
6:25 pm — 10:37 pm UA313 United Airlines
Houston — Toronto
13h 37m
including layover
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from$162
6:15 am — 0:17 am
+1 day
6:00 am — 7:26 am UA277 United Airlines
Ontario — San Francisco
8h 39m stop
4:25 pm — 0:17 am UA8396 United Airlines
San Francisco — Toronto
15h 2m
including layover
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from$162
7:15 pm — 7:30 am
+1 day
7:15 pm — 8:44 pm UA1757 United Airlines
Ontario — San Francisco
2h 47m stop
11:31 pm — 7:30 am UA436 United Airlines
San Francisco — Toronto
9h 15m
including layover
Find flight
from$163
7:15 pm — 6:43 am
+1 day
7:15 pm — 8:44 pm UA1757 United Airlines
Ontario — San Francisco
2h 1m stop
10:45 pm — 6:43 am UA8516 United Airlines
San Francisco — Toronto
8h 28m
including layover
Find flight
from$351
1:45 pm — 12:06 pm
+1 day
1:45 pm — 5:04 pm UA2278 United Airlines
Ontario — Denver
1h 6m stop
6:10 pm — 11:30 pm UA2408 United Airlines
Denver — Washington D.C.
11h 5m stop
10:35 am — 12:06 pm UA8063 United Airlines
Washington D.C. — Toronto
19h 21m
including layover
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from$162
1:45 pm — 9:58 am
+1 day
1:45 pm — 5:04 pm UA2278 United Airlines
Ontario — Denver
1h 6m stop
6:10 pm — 11:30 pm UA2408 United Airlines
Denver — Washington D.C.
8h 45m stop
8:15 am — 9:58 am UA3612 United Airlines
Washington D.C. — Toronto
17h 13m
including layover
Find flight
from$162
*Departure and arrival times are local. Last updated on 12/21/2024

Flight Information

There are 39 flights by United Airlines from Ontario to Toronto every week with departures from Ontario Int. and International Heliport. All flights arrive at Pearson International, Toronto Island, Buttonville Municipal.

Departures start from 10:39 am to 7:15 pm. Nonstop flight is 6h 52m. The time difference between Ontario and Toronto is 3h.

  • The fastest flight 6h 52m
  • Average flight time 13h 30m
  • The earliest flight 10:39 am
  • The latest flight 7:15 pm
  • Distance 2140 ml

The cheapest months for traveling to Toronto are december (from 150 $), november (from 155 $), january (from 162 $).

The most expensive and popular months are february (from 162 $), january (from 162 $), november (from 155 $).

The cheapest flight by United Airlines that our users were able to find is $162. This airfare is economy class on one-way UA277 flight for February 1, 2025 leaving Ontario Int. in Ontario at 6:15 am, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 5 airline carriers between Ontario and Toronto. Please review schedules and prices from the most popular airlines to find the best airfare deals from Ontario to Toronto.

Nonstop flights

There’re no direct flights on this route. Try flights with stops.

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Connecting Flights

List of flights with layovers (1 and more stops):

  • from $348
    Find
  • AS - Alaska Airlines
    from $209
    Find
  • F9 - Frontier Airlines
    from $120
    Find
  • AV - Avianca
    from $646
    Find
  • Y4 - Volaris
    from $366
    Find
See more connecting flights

How to book an air ticket yourself?

How to book an air ticket yourself?
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  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

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