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$137+ Cheap flights from Toronto (YTO) to Colorado

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 2/27. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — DEN
Feb 28 — Mar 71
Sat 2/28
Sat 3/7
1 adult, Economy
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Cheap flight deals from Toronto to Colorado

Cheapest flights from Toronto to Colorado
Explore the most affordable flight options available from Toronto to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 29, 2026.

This Air Canada deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/98:30 am
YYZ
-
DEN
Nonstop3h 53m
Air Canada
Wed 3/118:05 am
DEN
-
YYZ
1 stop11h 32m
Air Canada
Deal found 1/28$378
This Alaska Airlines deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/284:45 pm
YYZ
-
DEN
1 stop9h 14m
Alaska Airlines
Mon 3/27:52 pm
DEN
-
YYZ
1 stop17h 43m
Alaska Airlines
Deal found 1/28$380
This Air Canada deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/121:00 pm
YYZ
-
DEN
1 stop8h 55m
Air Canada
Thu 3/195:30 pm
DEN
-
YYZ
Nonstop3h 11m
Air Canada
Deal found 1/27$381
This Kiwi.com deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/97:10 am
YYZ
-
DEN
1 stop27h 10m
Multiple Airlines
Wed 2/1110:29 pm
DEN
-
YYZ
1 stop30h 14m
Multiple Airlines
Deal found 1/28$382
This Air Canada deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/2412:30 pm
YTZ
-
DEN
1 stop9h 25m
Air Canada
Tue 3/311:15 am
DEN
-
YTZ
1 stop6h 40m
Air Canada
Deal found 1/27$387
This Air Canada deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 4/31:00 pm
YYZ
-
DEN
1 stop8h 55m
Air Canada
Fri 4/178:45 am
DEN
-
YYZ
1 stop9h 01m
Air Canada
Deal found 1/27$387
This Air Canada deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/192:50 pm
YYZ
-
DEN
Nonstop3h 50m
Air Canada
Mon 3/237:05 pm
DEN
-
YYZ
1 stop8h 54m
Air Canada
Deal found 1/27$389
This Air Canada deal was found by Cheapflights users on 1/28. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 2/258:30 am
YYZ
-
DEN
Nonstop3h 53m
Air Canada
Wed 3/41:25 pm
DEN
-
YYZ
Nonstop3h 10m
Air Canada
Deal found 1/28$390
This Air Canada deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/301:00 pm
YYZ
-
DEN
1 stop8h 55m
Air Canada
Mon 4/66:05 pm
DEN
-
YYZ
Nonstop3h 11m
Air Canada
Deal found 1/27$393
This Alaska Airlines deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/244:45 pm
YYZ
-
DEN
2 stops33h 14m
Alaska Airlines
Tue 3/311:38 am
DEN
-
YYZ
2 stops25h 57m
Alaska Airlines
Deal found 1/27$395
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/157:55 pm
YYZ
-
DEN
1 stop10h 01m
Multiple Airlines
Tue 2/1711:59 pm
DEN
-
YYZ
1 stop22h 15m
Multiple Airlines
Deal found 1/27$396
This Kiwi.com deal was found by Cheapflights users on 1/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/191:30 pm
YTZ
-
DEN
2 stops12h 24m
Multiple Airlines
Tue 3/244:38 pm
DEN
-
YTZ
1 stop18h 32m
Multiple Airlines
Deal found 1/27$417

Find flight deals from Toronto to Colorado

Keep the following information in mind while searching for Toronto to Colorado flight deals. Data was last updated January 29, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$378
(Air Canada)

One-way from

$137
(Kiwi.com)

Popular in

March

Cheapest in

November

Average price

$458

Good round-trip deal

$445 or less

Good one-way deal

$263 or less
Provider with most accurate pricing for Toronto (YTO)-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Toronto (YTO)-Denver Intl flights.
Search Deals
From Toronto (YTO) to Colorado
Search Deals
One-way flight from Toronto (YTO) to Colorado
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($30 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals
Price to beat on a round-trip flight from Toronto (YTO) to Colorado.
Search Deals
Price to beat on a one-way flight from Toronto (YTO) to Colorado.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Toronto to Colorado that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
Use the filters below to find and compare flights from Toronto to Colorado that are best for you.

Fly from

Toronto

Fly to

Colorado

Route

Depart

Return

Price

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Tue 2/24

12:30 pm-7:55 pm

1 stop9h 25m

Denver Intl

Tue 3/3

11:15 am-7:55 pm

1 stop6h 40m

$387

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Thu 3/19

8:30 am-10:23 am

Nonstop3h 53m

Denver Intl

Tue 3/24

8:05 am-9:37 pm

1 stop11h 32m

$389

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Thu 2/26

2:50 pm-4:40 pm

Nonstop3h 50m

Denver Intl

Sun 3/1

5:30 pm-10:41 pm

Nonstop3h 11m

$390

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 4/1

1:00 pm-7:55 pm

1 stop8h 55m

Denver Intl

Sun 4/5

6:05 pm-11:16 pm

Nonstop3h 11m

$393

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sat 2/28

4:45 pm-11:38 am

2 stops20h 53m

Denver Intl

Mon 3/2

7:52 pm-3:35 pm

1 stop17h 43m

$401

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Thu 3/19

1:30 pm-11:54 pm

2 stops12h 24m

Denver Intl

Tue 3/24

4:38 pm-1:10 pm

1 stop18h 32m

$417

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 2/25

4:45 pm-10:42 am

2 stops19h 57m

Denver Intl

Wed 3/4

11:38 am-3:35 pm

2 stops25h 57m

$419

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sun 3/15

10:15 pm-3:56 am

2 stops31h 41m

Denver Intl

Sun 3/22

7:05 pm-6:43 am

1 stop9h 38m

$422

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Thu 3/12

7:15 am-3:56 am

2 stops22h 41m

Denver Intl

Fri 3/20

9:10 am-3:35 pm

1 stop28h 25m

$425

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Fri 3/20

1:30 pm-11:54 pm

2 stops12h 24m

Denver Intl

Tue 3/24

4:38 pm-1:10 pm

1 stop18h 32m

$426

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/27

Showing 1-10 of 60 results
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Best time to book a flight from Toronto to Colorado

Have a flexible travel schedule? Discover the best time to fly to Colorado from Toronto with our price prediction graph.
Estimated round-trip 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.

Cheapflights Insights

Everything you need to know about your flight from Toronto to Colorado

What is the cheapest month to book a flight from Toronto to Colorado?

Currently, July is the cheapest month in which you can book a flight from Toronto to Colorado (average of $246). Flying from Toronto to Colorado in November is currently the most expensive (average of $344). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from YTO to CO?

Find hourly flight availability from Toronto to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated January 29, 2026.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Toronto to Colorado as you normally would.

Weekly flight availability from Toronto to Colorado

Explore weekly flight availability from Toronto to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated January 29, 2026.

The most flights from YTO to USCO are scheduled on a Monday (7 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (4 on average).

How much does it cost to fly round-trip from Toronto to Colorado?

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Colorado. Reviews last updated January 29, 2026.
Read through reviews of airlines operating flights from Toronto to Colorado, such as United Airlines, WestJet, and Air Canada. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,215 reviews
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,253 reviews
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
10,667 reviews
United Airlines
7.4
Good
9,215 reviews

Comfort

7.3

Crew

8.1

Boarding

7.7

Entertainment

7.1

Overall

7.4

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

Related info for your journey

Find useful and relevant information for your journey from Toronto to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Toronto to Colorado?

    Departing from Toronto to Colorado will take you 9h 25m. There are 1322 mi between Toronto and Colorado. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Toronto to Colorado?

    The most popular flight routes from Toronto to Colorado are Toronto Pearson Intl - Denver Intl, Toronto Island - Denver Intl and Toronto Region of Waterloo Intl - Denver Intl.

  • What are the most reliable airlines from Toronto to Colorado?

    The top 3 most reliable airlines when flying from Toronto to Colorado are Air Canada (63%), United Airlines (63%) and Austrian Airlines (51%).

  • What are the cheapest flights from Toronto to Colorado?

    Looking for the cheapest flight from Toronto to Colorado? While on average our users pay $1,023, our data indicates the cheapest price to be $206. The most popular route (Toronto Pearson Intl - Denver Intl), is priced around $237.

  • Can I find deals for flights from Toronto to Colorado that include hotel bookings?

    Yes. In addition to deals on Toronto to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Toronto to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Toronto to Colorado.

  • Can I find deals for business class flights from Toronto to Colorado?

    Yes. Cheapflights offers flight deals from Toronto to Colorado by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Toronto to Colorado?

    Currently, July is the cheapest month in which you can book a flight from Toronto to Colorado (average of $246). Flying from Toronto to Colorado in November is currently the most expensive (average of $344). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

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Top 2 airlines flying from Toronto to Colorado

Discover the top 2 airlines that operate flights from Toronto to Colorado. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated January 29, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$218Average$575FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$314Average$419FlexibilityNo cancel feeOn-time67%

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