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Cheap flights from Toronto to Colorado from C$ 177

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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — DEN
11 Oct — 18 Oct1
1 adult
1 adult, Economy

Cheap flight deals from Toronto to Colorado

Keep the following information in mind while searching for Toronto to Colorado flight deals. Data was last updated 11 September 2025.

Round-trip from

C$ 427

One-way from

C$ 177

Popular in

December

Cheapest in

August

Average price

C$ 588

Good round-trip deal

C$ 584 or less

Good one-way deal

C$ 414 or less
30/10-2/11
  • 30/10-2/11
  • 4 total stops
  • 64h 39m total
  • Toronto to Colorado
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20/10
  • 20/10
  • 2 total stops
  • 24h 21m total
  • Toronto to Colorado
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 38 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 10 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Price to beat on a round-trip flight from Toronto (YTO) to Colorado.
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Price to beat on a one-way flight from Toronto (YTO) to Colorado.
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Find 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 11 September 2025.

Thu 30/101:30 p.m.YYZ - DEN
3 stops24h 30mMultiple Airlines
Sat 1/1112:16 a.m.DEN - YYZ
1 stop13h 04mMultiple Airlines
Deal found 10/9C$ 427
Sun 21/94:00 p.m.YYZ - DEN
1 stop18h 16mMultiple Airlines
Fri 3/1012:15 p.m.DEN - YYZ
1 stop10h 07mMultiple Airlines
Deal found 9/9C$ 428
Mon 15/92:00 p.m.YYZ - DEN
2 stops16h 00mMultiple Airlines
Fri 3/1012:15 p.m.DEN - YYZ
1 stop10h 07mMultiple Airlines
Deal found 9/9C$ 430
Wed 5/116:00 a.m.YYZ - DEN
1 stop18h 22mAmerican Airlines
Tue 11/117:22 a.m.DEN - YYZ
1 stop12h 07mAmerican Airlines
Deal found 9/9C$ 431
Sun 21/910:25 p.m.YYZ - DEN
2 stops38h 31mMultiple Airlines
Wed 15/1010:29 p.m.DEN - YYZ
1 stop19h 16mMultiple Airlines
Deal found 9/9C$ 432
Fri 26/97:45 p.m.YYZ - DEN
1 stop16h 33mMultiple Airlines
Sun 5/1012:04 a.m.DEN - YYZ
2 stops19h 03mMultiple Airlines
Deal found 9/9C$ 434
Sat 27/96:49 a.m.YYZ - COS
1 stop17h 19mAmerican Airlines
Fri 3/105:16 p.m.COS - YYZ
1 stop17h 14mAmerican Airlines
Deal found 9/9C$ 435
Sat 18/104:00 p.m.YYZ - DEN
1 stop18h 12mMultiple Airlines
Wed 22/108:21 p.m.DEN - YYZ
1 stop22h 46mMultiple Airlines
Deal found 9/9C$ 435
Sun 12/1010:25 p.m.YYZ - DEN
1 stop14h 59mMultiple Airlines
Fri 17/1011:59 p.m.DEN - YYZ
1 stop12h 26mMultiple Airlines
Deal found 10/9C$ 437
Fri 3/108:00 a.m.YYZ - DEN
1 stop11h 18mAir Canada
Sat 11/108:40 a.m.DEN - YYZ
1 stop9h 12mAir Canada
Deal found 9/9C$ 438
Sat 1/1112:40 p.m.YYZ - DEN
1 stop9h 25mMultiple Airlines
Thu 13/117:00 a.m.DEN - YYZ
1 stop11h 32mMultiple Airlines
Deal found 9/9C$ 439
Fri 26/97:15 a.m.YYZ - DEN
2 stops16h 16mMultiple Airlines
Sun 5/103:43 p.m.DEN - YYZ
1 stop13h 16mMultiple Airlines
Deal found 10/9C$ 441

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 11 September 2025.
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

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Sat 27/9

6:49 a.m.-10:08 p.m.

1 stop17h 19m

Colorado Springs

Fri 3/10

5:16 p.m.-12:30 p.m.

1 stop17h 14m

C$ 435

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Mon 20/10

8:45 a.m.-8:30 p.m.

1 stop13h 45m

Denver Intl

Wed 29/10

7:40 a.m.-8:00 p.m.

1 stop10h 20m

C$ 453

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Wed 5/11

12:30 p.m.-7:55 p.m.

1 stop9h 25m

Denver Intl

Tue 11/11

11:15 a.m.-9:35 p.m.

1 stop8h 20m

C$ 455

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Fri 17/10

1:35 p.m.-8:30 p.m.

1 stop8h 55m

Denver Intl

Mon 20/10

6:38 a.m.-5:53 p.m.

1 stop9h 15m

C$ 456

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Mon 13/10

9:45 a.m.-11:16 p.m.

2 stops15h 31m

Denver Intl

Mon 20/10

9:26 p.m.-12:17 p.m.

1 stop12h 51m

C$ 461

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 24/10

8:05 p.m.-3:59 a.m.

1 stop9h 54m

Denver Intl

Tue 28/10

10:29 p.m.-7:36 p.m.

2 stops19h 07m

C$ 466

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Sun 12/10

3:00 p.m.-1:08 a.m.

1 stop12h 08m

Denver Intl

Fri 17/10

9:19 p.m.-12:17 p.m.

1 stop12h 58m

C$ 473

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 3/10

6:13 p.m.-9:25 p.m.

1 stop5h 12m

Denver Intl

Fri 10/10

12:55 a.m.-11:20 a.m.

1 stop8h 25m

C$ 484

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 24/10

3:35 p.m.-10:06 p.m.

1 stop8h 31m

Denver Intl

Sun 26/10

12:50 a.m.-12:10 p.m.

1 stop9h 20m

C$ 484

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Tue 10/3

7:45 a.m.-1:05 p.m.

1 stop7h 20m

Colorado Springs

Wed 11/3

1:40 p.m.-12:06 a.m.

1 stop8h 26m

C$ 485

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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, August is the cheapest month in which you can book a flight from Toronto to Colorado (average of C$ 320). Flying from Toronto to Colorado in December is currently the most expensive (average of C$ 484). 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 11 September 2025.

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 11 September 2025.

The most flights from YTO to USCO are scheduled on a Monday (11 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 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 11 September 2025.
Check out reviews from past customers who have flown with United Airlines,WestJet, andAir 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
8,937 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
8,937 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
WestJet
7.2
Good
3,091 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,937 reviews
Check prices

Comfort

7.3

Entertainment

7.1

Overall

7.4

Food

6.6

Crew

8.1

Boarding

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

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 5h 12m. The distance from Toronto to Colorado is about 2111 km. Both multi-stop and direct flights can be found to your destination and back.

  • What are the cheapest airlines to fly from Toronto to Colorado one-way?

    One-way options have recently been found by users for as low as C$ 247 on American Airlines. Other airlines that offer cheap prices include Delta from C$ 249 and Air Canada from C$ 265 one-way.

  • 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 Toronto Region of Waterloo Intl - 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 (57%), United Airlines (57%) or Austrian Airlines (27%) 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$ 1,967 for a flight from Toronto to Colorado. The cheapest flight overall is C$ 304 while the most popular route, (Toronto Pearson Intl - Denver Intl) is currently priced at C$ 321.

  • 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, August is the cheapest month in which you can book a flight from Toronto to Colorado (average of C$ 320). Flying from Toronto to Colorado in December is currently the most expensive (average of C$ 484). 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.
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Top 3 airlines flying from Toronto to Colorado

Discover the top 3 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 11 September 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 260AverageC$ 437FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 336AverageC$ 666FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 341AverageC$ 678FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

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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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