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Cheap flights from Toronto to Colorado from C$ 221

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 23/9. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — DEN
23 Aug — 30 Aug1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Toronto to Colorado

Enter your travel dates to find the best prices.

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 24 July 2026.

Sun 23/84:45 p.m.
YYZ
-
DEN
1 stop24h 16m
Multiple Airlines
Sat 29/812:15 p.m.
DEN
-
YYZ
1 stop8h 30m
Multiple Airlines
Deal found 20/7C$ 538
Sun 13/910:10 a.m.
YTZ
-
DEN
1 stop28h 50m
Multiple Airlines
Sun 20/95:56 p.m.
DEN
-
YTZ
1 stop18h 29m
Multiple Airlines
Deal found 20/7C$ 539
Tue 22/912:55 p.m.
YYZ
-
DEN
1 stop10h 49m
Multiple Airlines
Mon 28/96:55 a.m.
DEN
-
YYZ
1 stop13h 00m
Multiple Airlines
Deal found 19/7C$ 541
Tue 18/810:25 p.m.
YYZ
-
DEN
1 stop14h 55m
WestJet
Tue 25/812:15 p.m.
DEN
-
YYZ
1 stop9h 55m
WestJet
Deal found 20/7C$ 542
Thu 24/96:10 p.m.
YHM
-
DEN
1 stop19h 10m
WestJet
Sun 27/912:15 p.m.
DEN
-
YHM
1 stop27h 00m
WestJet
Deal found 23/7C$ 543
Thu 27/82:50 p.m.
YYZ
-
DEN
1 stop22h 30m
WestJet
Sun 30/812:15 p.m.
DEN
-
YYZ
1 stop10h 50m
WestJet
Deal found 20/7C$ 543
Tue 11/89:30 a.m.
YYZ
-
DEN
1 stop9h 40m
Multiple Airlines
Tue 25/812:15 p.m.
DEN
-
YYZ
1 stop8h 30m
Multiple Airlines
Deal found 22/7C$ 545
Sat 19/912:08 p.m.
YYZ
-
COS
2 stops9h 48m
Delta
Tue 22/96:00 a.m.
COS
-
YYZ
1 stop9h 19m
Delta
Deal found 19/7C$ 546
Thu 27/810:20 p.m.
YYZ
-
DEN
2 stops15h 00m
WestJet
Sat 29/812:15 p.m.
DEN
-
YYZ
1 stop8h 30m
WestJet
Deal found 20/7C$ 546
Tue 18/88:40 p.m.
YKF
-
DEN
1 stop16h 40m
WestJet
Wed 26/812:15 p.m.
DEN
-
YKF
1 stop29h 35m
WestJet
Deal found 23/7C$ 548
Wed 23/910:50 a.m.
YTZ
-
DEN
1 stop12h 59m
Multiple Airlines
Mon 28/96:55 a.m.
DEN
-
YTZ
1 stop7h 05m
Multiple Airlines
Deal found 19/7C$ 548
Fri 14/88:40 p.m.
YKF
-
DEN
1 stop16h 40m
WestJet
Wed 19/812:15 p.m.
DEN
-
YKF
1 stop29h 35m
WestJet
Deal found 19/7C$ 549

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 24 July 2026.

Round-trip from

C$ 538

One-way from

C$ 221

Popular in

February

Cheapest in

November

Average price

C$ 690

Good round-trip deal

C$ 676 or less

Good one-way deal

C$ 451 or less
WestJet
  • WestJet
  • 23/8-29/8
  • 2 total stops
  • 32h 46m total
  • Toronto to Colorado
Search Deals
23/9
  • 23/9
  • 1 total stop
  • 8h 26m total
  • Toronto to Colorado
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 28 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 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 629,999 searches. Data last updated 24 July 2026.
Use the filters below to find and compare flights from Toronto to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

HamiltonDenver

YHM - DEN

YHMDEN

Hamilton

Thu 24/9

6:10 p.m.-11:20 a.m.

1 stop19h 10m

Denver Intl

Sun 27/9

12:15 p.m.-5:15 p.m.

1 stop27h 00m

C$ 543

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Tue 22/9

5:54 p.m.-10:25 p.m.

1 stop6h 31m

Colorado Springs

Tue 29/9

1:25 p.m.-11:59 p.m.

1 stop8h 34m

C$ 546

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Tue 22/9

10:00 a.m.-7:56 p.m.

2 stops11h 56m

Colorado Springs

Wed 30/9

1:25 p.m.-11:59 p.m.

1 stop8h 34m

C$ 546

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Sat 19/9

12:08 p.m.-7:56 p.m.

2 stops9h 48m

Colorado Springs

Tue 22/9

6:00 a.m.-9:17 p.m.

2 stops13h 17m

C$ 546

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Mon 24/8

8:40 p.m.-11:20 a.m.

1 stop16h 40m

Denver Intl

Tue 1/9

12:15 p.m.-7:50 p.m.

1 stop29h 35m

C$ 548

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Thu 20/8

8:40 p.m.-11:20 a.m.

1 stop16h 40m

Denver Intl

Thu 27/8

12:15 p.m.-7:50 p.m.

1 stop29h 35m

C$ 549

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Fri 14/8

8:40 p.m.-11:20 a.m.

1 stop16h 40m

Denver Intl

Wed 19/8

12:15 p.m.-7:50 p.m.

1 stop29h 35m

C$ 549

HamiltonDenver

YHM - DEN

YHMDEN

Hamilton

Tue 18/8

6:10 p.m.-11:20 a.m.

1 stop19h 10m

Denver Intl

Wed 26/8

12:15 p.m.-5:15 p.m.

1 stop27h 00m

C$ 557

HamiltonDenver

YHM - DEN

YHMDEN

Hamilton

Wed 19/8

6:10 p.m.-11:20 a.m.

1 stop19h 10m

Denver Intl

Wed 26/8

12:15 p.m.-5:15 p.m.

1 stop27h 00m

C$ 559

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Fri 4/9

8:40 p.m.-11:20 a.m.

1 stop16h 40m

Denver Intl

Sun 6/9

12:15 p.m.-7:50 p.m.

1 stop29h 35m

C$ 562

Flights are sorted by cheapest round-trip flights first.

Deals found on 23/7

Showing 1-10 of 60 resultsSorted by cheapest first
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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, October is the cheapest month in which you can book a flight from Toronto to Colorado (average of C$ 617). Flying from Toronto to Colorado in January is currently the most expensive (average of C$ 814). 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 24 July 2026.

When flying from Toronto to Colorado, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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 24 July 2026.

The most flights from YTO to USCO are scheduled on a Monday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (5 on average).

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

Airfare is below average for this route at the moment.
Toronto to Colorado flights typically cost between C$ 579 and C$ 767 in August.
The cheapest round-trip price found within the last 5 days was C$ 538 on Multiple Airlines (23 Aug-29 Aug).

How far ahead should I book a flight from Toronto to Colorado?

Booking 22 days in advance of your planned departure date is, on average, the best time to get cheap flights from Toronto to Colorado. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 24 July 2026.
Check out reviews from past customers who have flown with United Airlines and Air Canada from Toronto to Colorado to help guide your decision. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
10,029 reviews
Check prices

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

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
10,029 reviews
United Airlines
7.4
Good
10,029 reviews
Check prices

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

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
11,381 reviews
United Airlines
7.4
Good
10,029 reviews
Check prices

Food

6.6

Boarding

7.7

Overall

7.4

Crew

8.1

Comfort

7.3

Entertainment

7.1

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 6h 31m. The distance from Toronto to Colorado is about 2155 km. Both multi-stop and direct flights can be found to your destination and back.

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

    When deciding which route to take from Toronto to Colorado consider Toronto Pearson Intl - Denver Intl, Toronto Island - Denver Intl or Hamilton - Denver Intl as they are the most popular.

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

    No one likes to see their flight delayed. When booking a flight from Toronto to Colorado consider choosing Air Canada (66%), United Airlines (66%) or Brussels Airlines (49%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Toronto to Colorado?

    On average you can expect to pay C$ 1,627 for a flight from Toronto to Colorado. The cheapest flight overall is C$ 324 while the most popular route, (Toronto Pearson Intl - Denver Intl) is currently priced at C$ 411.

  • 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, October is the cheapest month in which you can book a flight from Toronto to Colorado (average of C$ 617). Flying from Toronto to Colorado in January is currently the most expensive (average of C$ 814). 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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Alternative routes for Toronto to Colorado

See prices for flight routes from nearby airports that may be better suited for you.
Toronto Island to Newark flights
Pearson Intl to Newark flights
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Pearson Intl to LaGuardia flights
Pearson Intl to Fort Lauderdale flights
Toronto Island to LaGuardia flights
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Toronto Island to John F Kennedy Intl flights
Pierre Elliott Trudeau Intl to Fort Lauderdale flights
Pearson Intl to Los Angeles flights
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Pierre Elliott Trudeau Intl to Newark flights
Hamilton to Newark flights
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Pearson Intl to Las Vegas flights
Pearson Intl to Miami flights
Pearson Intl to O'Hare Intl flights
Pearson Intl to San Francisco flights
Pearson Intl to Seattle flights
Pearson Intl to Dallas/Fort Worth flights
Pierre Elliott Trudeau Intl to John F Kennedy Intl flights
Pearson Intl to Nashville flights
Pearson Intl to Reagan-National flights
Pierre Elliott Trudeau Intl to Los Angeles flights
Pearson Intl to Boston flights
Pearson Intl to Dulles Intl flights
Pierre Elliott Trudeau Intl to Las Vegas flights
Pierre Elliott Trudeau Intl to Orlando flights
Pearson Intl to Hobby flights
Toronto Island to Fort Lauderdale flights
Toronto Island to Boston flights
Pearson Intl to Midway flights
Pierre Elliott Trudeau Intl to O'Hare Intl flights
Toronto Island to Midway flights
Pearson Intl to San Diego flights
Toronto Island to Orlando flights
Pearson Intl to Atlanta flights
Pearson Intl to George Bush Intcntl flights
Pearson Intl to Tampa flights
Pearson Intl to Ontario flights
Toronto Island to O'Hare Intl flights
Toronto Island to Miami flights
Pierre Elliott Trudeau Intl to Nashville flights
Toronto Island to Las Vegas flights
Pierre Elliott Trudeau Intl to San Francisco flights
Pierre Elliott Trudeau Intl to Dulles Intl flights
Pearson Intl to Philadelphia flights
Ottawa to Newark flights
Toronto Island to Los Angeles flights
Pearson Intl to Sky Harbor Intl flights

Top 4 airlines flying from Toronto to Colorado

Discover the top 4 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 629,999 searches. Data last updated 24 July 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapestC$ 405AverageC$ 840FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
WestJetCheapestC$ 411AverageC$ 457FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 443AverageC$ 646FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
American AirlinesCheapestC$ 784AverageC$ 818FlexibilityNo cancel feeOn-time71%
Search American Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Toronto to Colorado?

Cheapflights helps you search for flights from Toronto to Colorado via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Toronto to Colorado?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Toronto to Colorado for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Toronto to Colorado with no change fees?

Need flexible booking options for your flight to Colorado from Toronto? 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 Toronto to Colorado become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Colorado from Toronto today and book when prices fit your budget.

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