Cheap Flights from Ontario, CA to Toronto, ON from $127

One way Round trip

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On Cheapflightsplus.com you will find 41 connecting flights from Ontario to Toronto. You can compare airfare deals from 4 airlines and multiple travel sites from $127, book and save on cheap plane tickets and last minute offers. Also check out ONT-YTO flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Ontario to Toronto Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $127 (one-way), $218 (round-trip).

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Best Flights from Ontario to Toronto Today

Take a look at the list of non stop flights and flights with layovers from Ontario to Toronto with the lowest price of $127. Take a look at the list of flights with layovers from Ontario to Toronto from $127. There’re no direct flights. The fastest connecting flight – 6h 57m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $132 Find flight	17:30 Ontario Ontario Int.	06:43+1 день Toronto Pearson International	10h 13m layover 4h 42m - Las Vegas	Frontier Airlines	F92232 WS1119
from $155 Find flight	06:00 Ontario Ontario Int.	16:17 Toronto Pearson International	7h 17m layover 0h 56m - San Francisco	United Airlines	UA277 UA8514
from $162 Find flight	05:05 Ontario Ontario Int.	15:02 Toronto Pearson International	6h 57m layover 1h 29m - Denver	United Airlines	UA1575 UA1874
from $162 Find flight	05:05 Ontario Ontario Int.	16:27 Toronto Pearson International	8h 22m layover 2h 51m - Denver	United Airlines	UA1575 UA8426
from $162 Find flight	19:15 Ontario Ontario Int.	07:30+1 день Toronto Pearson International	9h 15m layover 2h 47m - San Francisco	United Airlines	UA1757 UA436
from $226 Find flight	19:14 Ontario Ontario Int.	14:55+1 день Toronto Pearson International	16h 41m layover 9h 18m - Seattle	Alaska Airlines	AS1399 AS972
from $251 Find flight	07:36 Ontario Ontario Int.	21:32 Toronto Pearson International	10h 56m layover 4h 28m - San Francisco	Frontier Airlines	F92677 TS7671
from $304 Find flight	06:00 Ontario Ontario Int.	14:55+1 день Toronto Pearson International	29h 55m layover 22h 28m - Seattle	Alaska Airlines	AS1091 AS972
from $127 Find flight	12:28 Ontario Ontario Int.	06:17+1 день Toronto Pearson International	14h 49m layover 4h 41m - Las Vegas 1h 55m - Calgary	Frontier Airlines	F91358 WS1585 WS652
from $211 Find flight	20:35 Ontario Ontario Int.	13:55+1 день Toronto Toronto Island	14h 20m layover 2h 0m - Las Vegas 4h 15m - Newark	Frontier Airlines	F94206 F93238 PD2128
from $246 Find flight	22:59 Ontario Ontario Int.	15:47+1 день Toronto Toronto Island	13h 48m layover 4h 53m - Phoenix 2h 23m - Chicago	Frontier Airlines	F92404 F91736 PD2388
from $257 Find flight	06:00 Ontario Ontario Int.	22:33 Toronto Pearson International	13h 33m layover 2h 6m - Seattle 1h 47m - Dallas	Alaska Airlines	AS1091 AS414 AS6187
from $286 Find flight	22:59 Ontario Ontario Int.	15:37+1 день Toronto Toronto Island	13h 38m layover 4h 53m - Phoenix 2h 13m - Chicago	Frontier Airlines	F92404 F91736 TS7058
from $347 Find flight	05:05 Ontario Ontario Int.	21:50 Toronto Pearson International	13h 45m layover 3h 1m - Denver 3h 7m - Montreal	Air Canada	AC5423 AC1074 AC427
from $347 Find flight	19:15 Ontario Ontario Int.	16:46+1 день Toronto Pearson International	18h 31m layover 1h 51m - San Francisco 9h 12m - Chicago	Air Canada	AC4112 AC5432 AC504
from $347 Find flight	06:00 Ontario Ontario Int.	15:05+1 день Toronto Toronto Island	30h 5m layover 1h 0m - Seattle 19h 47m - Washington D.C.	Alaska Airlines	AS1091 AS406 PD2724

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on February 22, 2025

Flight Schedule Ontario (California) to Toronto (Ontario)

Full flight schedule will help you in detecting at what time planes fly from Ontario to Toronto. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.

Departure	Flight Details	Flight Duration	Price
05:05 — 15:02	05:05 — 08:24 UA1575 United Airlines Ontario — Denver 1h 29m stop 09:53 — 15:02 UA1874 United Airlines Denver — Toronto	6h 57m including layover	Find flight from$162
05:05 — 16:27	05:05 — 08:24 UA1575 United Airlines Ontario — Denver 2h 51m stop 11:15 — 16:27 UA8426 United Airlines Denver — Toronto	8h 22m including layover	Find flight from$162
06:00 — 16:17	06:00 — 07:26 UA277 United Airlines Ontario — San Francisco 56m stop 08:25 — 16:17 UA8514 United Airlines San Francisco — Toronto	7h 17m including layover	Find flight from$155
06:00 — 16:52	06:00 — 07:26 UA277 United Airlines Ontario — San Francisco 1h 24m stop 08:49 — 16:52 UA608 United Airlines San Francisco — Toronto	7h 52m including layover	Find flight from$162
07:36 — 21:32	06:45 — 08:20 F92677 Frontier Airlines Ontario — San Francisco 4h 28m stop 13:30 — 21:32 TS7671 Air Transat San Francisco — Toronto	10h 56m including layover	Find flight from$251
15:30 — 06:43 +1 day	15:30 — 17:14 UA5660 United Airlines Ontario — San Francisco 5h 31m stop 22:45 — 06:43 UA8516 United Airlines San Francisco — Toronto	12h 13m including layover	Find flight from$429
15:30 — 07:30 +1 day	15:30 — 17:14 UA5660 United Airlines Ontario — San Francisco 6h 17m stop 23:31 — 07:30 UA436 United Airlines San Francisco — Toronto	13h including layover	Find flight from$429
17:30 — 06:43 +1 day	13:47 — 15:01 F92232 Frontier Airlines Ontario — Las Vegas 4h 42m stop 23:25 — 06:46 WS1119 WestJet Las Vegas — Toronto	10h 13m including layover	Find flight from$132
17:30 — 05:42 +1 day	17:26 — 18:36 F92232 Frontier Airlines Ontario — Las Vegas 3h 42m stop 22:25 — 05:42 PD656 Porter Airlines Las Vegas — Toronto	9h 12m including layover	Find flight from$338
19:14 — 14:55 +1 day	19:01 — 21:53 AS1399 Alaska Airlines Ontario — Seattle 9h 18m stop 07:27 — 15:05 AS972 Alaska Airlines Seattle — Toronto	16h 41m including layover	Find flight from$226
19:15 — 07:30 +1 day	19:15 — 20:44 UA1757 United Airlines Ontario — San Francisco 2h 47m stop 23:31 — 07:30 UA436 United Airlines San Francisco — Toronto	9h 15m including layover	Find flight from$162
11:57 — 09:04 +1 day	11:33 — 14:24 AS1255 Alaska Airlines Ontario — Seattle 1h 1m stop 15:45 — 23:59 AS460 Alaska Airlines Seattle — Boston 7h 6m stop 07:05 — 09:04 PD2938 Porter Airlines Boston — Toronto	18h 7m including layover	Find flight from$401
12:28 — 06:17 +1 day	08:01 — 09:13 F91358 Frontier Airlines Ontario — Las Vegas 4h 41m stop 18:25 — 22:25 WS1585 WestJet Las Vegas — Calgary 1h 55m stop 00:20 — 06:18 WS652 WestJet Calgary — Toronto	14h 49m including layover	Find flight from$127
20:35 — 13:55 +1 day	19:59 — 21:10 F94206 Frontier Airlines Ontario — Las Vegas 2h stop 22:37 — 06:29 F93238 Frontier Airlines Las Vegas — Newark 4h 15m stop 12:15 — 13:55 PD2128 Porter Airlines Newark — Toronto	14h 20m including layover	Find flight from$211
20:35 — 15:47 +1 day	20:59 — 22:08 F94206 Frontier Airlines Ontario — Las Vegas 1h 5m stop 13:39 — 19:28 F92146 Frontier Airlines Las Vegas — Chicago 8h 18m stop 12:55 — 15:37 PD2388 Porter Airlines Chicago — Toronto	16h 12m including layover	Find flight from$227
22:59 — 15:47 +1 day	22:59 — 01:27 F92404 Frontier Airlines Ontario — Phoenix 4h 53m stop 06:20 — 10:42 F91736 Frontier Airlines Phoenix — Chicago 2h 23m stop 13:05 — 15:47 PD2388 Porter Airlines Chicago — Toronto	13h 48m including layover	Find flight from$246
22:59 — 15:37 +1 day	22:59 — 01:27 F92404 Frontier Airlines Ontario — Phoenix 4h 53m stop 06:20 — 10:42 F91736 Frontier Airlines Phoenix — Chicago 2h 13m stop 12:55 — 15:37 TS7058 Air Transat Chicago — Toronto	13h 38m including layover	Find flight from$286

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times - local. Updated on February 22, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Ontario to Toronto depends on and how to choose the most interesting flight option for you.

Distance between Ontario and Toronto is 3443 miles. Time difference between the cities is 3h. Airplanes depart 05:05 to 22:59 from 2 Ontario airports and arrive 05:05 to 22:59 to 3 Toronto airports. Average flight time is 13h 38m.

The fastest flight 6h 57m
Average flight time 13h 38m
The earliest flight 05:05
The latest flight 22:59
Distance 2140 ml

The cheapest months to travel to Toronto are february (from 127 $), december (from 132 $), november (from 155 $).

The most expensive months are january (from 160 $), november (from 155 $), december (from 132 $).

What is the lowest airfare Ontario to Toronto?

The cheapest plane ticket found by our users is $127. This airfare is for economy class on one-way F91358 flight by Frontier Airlines for February 21, 2025 which leaves Ontario Int. in Ontario at 12:28 am and arrives at Toronto Pearson International at 06:17.

Economy class

$127

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Business class

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First class

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Popular Airlines on the Route

The flight Ontario — Toronto is served by 4 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Air Canada - 13 departures per week at the price of from $ 347 . And the most expensive tickets are offered by Air Canada airline - from $ 2088.

Direct flights

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

Connecting Flights

There are 41 flights with layovers on the route. The fastest connecting flight is UA1575 by United Airlines takes 6h 57m and the cheapest is F91358 by Frontier Airlines for $127.

AC - Air Canada

from $347

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UA - United Airlines

from $155

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AS - Alaska Airlines

from $226

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F9 - Frontier Airlines

from $127

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Airports

You can fly from Ontario to Toronto from 2 airports (Ontario Int., International Heliport).

Ontario airports

Ontario Int.-ONT

from $127
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International Heliport-JIO

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Toronto airports

Buttonville Municipal-YKZ

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Toronto Island-YTZ

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Pearson International-YYZ

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Airplanes

There are flights to Toronto from Ontario by 4 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top Domestic Destinations from Ontario

You may also consider searching for discounted plane tickets to some other popular places from Ontario within United States.

Ontario — Tampa

from $54

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Ontario — Pittsburgh

from $70

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Ontario — Indianapolis

from $62

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Ontario — Cleveland

from $63

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Ontario — Norfolk

from $79

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Ontario — Tucson

from $80

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Ontario — New Orleans

from $63

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Ontario — San Jose

from $61

Find
Ontario — Honolulu

from $63

Find
Ontario — Austin

from $67

Find

Top International Destinations from Ontario

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

Ontario — San Jose

from $61

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Ontario — Guadalajara

from $70

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Ontario — Mexico City

from $58

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Ontario — Cancun

from $74

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Ontario — Toronto

from $70

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Ontario — London

from $62

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Ontario — Vancouver

from $61

Find

How to book a plane ticket yourself?

Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
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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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