Cheap Flights from Toronto, ON to Denver, CO from $174

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On Cheapflightsplus.com you will find 8 direct and 828 connecting flights from Toronto to Denver. You can compare airfare deals from 10 airlines and multiple travel sites from $174, book and save on cheap plane tickets and last minute offers. Also check out YTO-DEN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Toronto to Denver 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: $174 (one-way), $298 (round-trip).

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Best Flights from Toronto to Denver Today

Take a look at the list of non stop flights and flights with layovers from Toronto to Denver with the lowest price of $174. The fastest direct flight takes 3h 34m and the fastest connecting – 5h 4m.

Price	Departure	Arrival	Flight Duration	Airline	Flight
from $249 Find flight	09:44 Toronto Pearson International	11:28 Denver Denver International	3h 44m	Air Canada	AC4902
from $256 Find flight	09:44 Toronto Pearson International	11:26 Denver Denver International	3h 42m	United Airlines	UA1268
from $306 Find flight	16:18 Toronto Pearson International	18:01 Denver Denver International	3h 43m	United Airlines	UA568
from $174 Find flight	16:05 Toronto Toronto Island	07:51+1 день Denver Denver International	17h 46m layover 13h 6m - Chicago	Porter Airlines	PD2393 F91483
from $187 Find flight	16:00 Toronto Pearson International	09:03+1 день Denver Denver International	19h 3m layover 13h 45m - Nashville	WestJet	WS1428 F91783
from $176 Find flight	09:00 Toronto Pearson International	11:27+1 день Denver Denver International	28h 27m layover 3h 28m - Edmonton 17h 14m - Calgary	WestJet	WS421 WS152 WS1570
from $204 Find flight	07:00 Toronto Toronto Island	23:08 Denver Denver International	18h 8m layover 1h 7m - Ottawa 8h 35m - Las Vegas	Porter Airlines	PD2205 PD651 F94612

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*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on September 17, 2025

Flight Schedule Toronto (Ontario) to Denver (Colorado)

Full flight schedule will help you in detecting at what time planes fly from Toronto to Denver. 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
06:45 — 11:27 +1 day	06:45 — 09:02 WS419 WestJet Toronto — Edmonton 20h 58m stop 06:00 — 06:56 WS238 WestJet Edmonton — Calgary 1h 59m stop 08:55 — 11:27 WS1570 WestJet Calgary — Denver	30h 42m including layover	Find flight from$179
08:40 — 10:20	08:40 — 10:20 AC1039 Air Canada Toronto — Denver	3h 40m	Find flight from$251
08:40 — 10:14	08:40 — 10:14 UA8651 United Airlines Toronto — Denver	3h 34m	Find flight from$326
09:00 — 11:27 +1 day	09:00 — 11:17 WS421 WestJet Toronto — Edmonton 3h 28m stop 14:45 — 15:41 WS152 WestJet Edmonton — Calgary 17h 14m stop 08:55 — 11:27 WS1570 WestJet Calgary — Denver	28h 27m including layover	Find flight from$176
09:44 — 11:28	09:44 — 11:28 AC4902 Air Canada Toronto — Denver	3h 44m	Find flight from$249
09:44 — 11:26	09:44 — 11:26 UA1268 United Airlines Toronto — Denver	3h 42m	Find flight from$256
09:45 — 09:48 +1 day	09:45 — 12:10 PD663 Porter Airlines Toronto — Los Angeles 18h 5m stop 06:15 — 09:57 F93156 Frontier Airlines Los Angeles — Denver	26h 3m including layover	Find flight from$182
12:00 — 09:51 +1 day	12:00 — 14:14 WS711 WestJet Toronto — Vancouver 3h 11m stop 17:25 — 20:23 WS1698 WestJet Vancouver — Los Angeles 9h 52m stop 06:15 — 09:51 F93156 Frontier Airlines Los Angeles — Denver	23h 51m including layover	Find flight from$182
15:00 — 09:51 +1 day	15:00 — 17:20 WS663 WestJet Toronto — Calgary 2h 5m stop 19:25 — 21:47 WS1512 WestJet Calgary — Los Angeles 8h 28m stop 06:15 — 09:51 F93156 Frontier Airlines Los Angeles — Denver	20h 51m including layover	Find flight from$182
15:35 — 14:19 +1 day	16:05 — 16:54 PD2393 Porter Airlines Toronto — Chicago 20h 11m stop 14:44 — 16:33 F92209 Frontier Airlines Chicago — Denver	24h 44m including layover	Find flight from$180
16:05 — 07:51 +1 day	15:35 — 16:24 PD2393 Porter Airlines Toronto — Chicago 13h 6m stop 06:00 — 08:02 F91483 Frontier Airlines Chicago — Denver	17h 46m including layover	Find flight from$174
16:18 — 18:02	16:18 — 18:02 AC4888 Air Canada Toronto — Denver	3h 44m	Find flight from$251
16:18 — 18:01	16:18 — 18:01 UA568 United Airlines Toronto — Denver	3h 43m	Find flight from$306
18:20 — 20:00	18:20 — 20:00 AC1041 Air Canada Toronto — Denver	3h 40m	Find flight from$251
18:20 — 19:54	18:20 — 19:54 UA8163 United Airlines Toronto — Denver	3h 34m	Find flight from$573

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

*Departure and arrival times - local. Updated on September 17, 2025

Flight Information

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

Distance between Toronto and Denver is 2131 miles. Time difference between the cities is 2h. Airplanes depart 00:30 to 23:50 from 3 Toronto airports and arrive 00:30 to 23:50 to 2 Denver airports. Average flight time is 3h 41m.

The fastest flight 3h 34m
Average flight time 3h 41m
The earliest flight 00:30
The latest flight 23:50
Distance 1325 ml

The cheapest months to travel to Denver are june (from 174 $), may (from 176 $), august (from 180 $).

The most expensive months are january (from 403 $), october (from 243 $), november (from 239 $).

What is the lowest airfare Toronto to Denver?

The cheapest plane ticket found by our users is $174. This airfare is for economy class on one-way PD2393 flight by Porter Airlines for June 6, 2025 which leaves Toronto Island in Toronto at 16:05 am and arrives at Denver Denver International at 07:51.

Economy class

$174

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Business class

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First class

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Popular Airlines on the Route

The flight Toronto — Denver is served by 10 regular airlines and 4 low-cost airlines. Most of the flights on this route are operated by Air Canada - 167 departures per week at the price of from $ 226 . And the most expensive tickets are offered by Austrian Airlines airline - from $ 3968.

Direct flights

There are 8 nonstop flights on the route. The fastest direct flight is UA8651 by United Airlines takes 3h 34m and the cheapest is PD2393 by Porter Airlines for $249.

AC - Air Canada

from $249

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UA - United Airlines

from $256

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Connecting Flights

There are 828 flights with layovers on the route. The fastest connecting flight is WS7673 by WestJet takes 5h 4m and the cheapest is PD2393 by Porter Airlines for $174.

F8 - Freedom Airlines

from $216

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AC - Air Canada

from $226

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AS - Alaska Airlines

from $241

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PD - Porter Airlines

from $174

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OS - Austrian Airlines

from $2205

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AV - Avianca

from $540

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SY - Sun Country Airlines

from $218

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WS - WestJet

from $176

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UA - United Airlines

from $241

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TS - Air Transat

from $259

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Airports

You can fly from Toronto to Denver from 3 airports (Buttonville Municipal, Toronto Island, Pearson International).

Toronto airports

Buttonville Municipal-YKZ

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Toronto Island-YTZ

from $174
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Pearson International-YYZ

from $176
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Denver airports

Denver International-DEN

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Arapahoe Co-APA

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Airplanes

There are flights to Denver from Toronto by 10 airlines that use 0 aircraft brands. They range from huge modern airplanes to small-sized.

Top International Destinations from Toronto

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.

Toronto — Ontario

from $75

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Toronto — Miami

from $55

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Toronto — Orlando

from $64

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Toronto — New York

from $54

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Toronto — Las Vegas

from $72

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Toronto — Boston

from $78

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Toronto — Chicago

from $73

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Toronto — Los Angeles

from $65

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Toronto — Nashville

from $56

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Toronto — Tampa

from $66

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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»
Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
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.
To find a plane ticket, please select dates.