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Cheap flights from Toronto to Colorado from C$ 138

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 29/5. Fares are subject to change and may not be available on all flights or dates of travel.
YTO — DEN
16 Apr — 23 Apr1
1 adult

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 April 2025.

Round-trip from

C$ 270

One-way from

C$ 138

Popular in

December

Cheapest in

October

Average price

C$ 650

Good round-trip deal

C$ 453 or less

Good one-way deal

C$ 256 or less
WestJet
  • WestJet
  • 23/5-28/5
  • 2 total stops
  • 25h 18m total
  • Toronto to Colorado
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WestJet
  • WestJet
  • 29/5
  • 1 total stop
  • 14h 52m total
  • Toronto to Colorado
Search Deals
Highest demand for flights based on searches. 2% potential increase in price (C$ 25 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).
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Average for round-trip flights in April 2025
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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.
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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 April 2025.

Fri 23/56:00 a.m.YHM - DEN
1 stop14h 52mWestJet
Wed 28/512:15 p.m.DEN - YHM
1 stop10h 26mWestJet
Deal found 9/4C$ 270
Sat 26/46:45 a.m.YYZ - COS
1 stop11h 04mAmerican Airlines
Sat 3/54:39 p.m.COS - YYZ
1 stop18h 01mAmerican Airlines
Deal found 9/4C$ 406
Fri 23/56:30 a.m.YYZ - DEN
1 stop14h 22mMultiple Airlines
Mon 26/58:24 p.m.DEN - YYZ
1 stop18h 56mMultiple Airlines
Deal found 10/4C$ 431
Wed 4/66:35 p.m.YYZ - DEN
1 stop6h 55mAir Canada
Thu 12/69:56 a.m.DEN - YYZ
Nonstop3h 15mAir Canada
Deal found 10/4C$ 434
Sun 25/58:00 a.m.YYZ - DEN
1 stop12h 52mWestJet
Sat 31/512:15 p.m.DEN - YYZ
2 stops10h 20mWestJet
Deal found 10/4C$ 437
Fri 30/57:55 a.m.YYZ - DEN
1 stop11h 03mDelta
Sun 1/612:55 a.m.DEN - YYZ
1 stop6h 03mDelta
Deal found 9/4C$ 456
Thu 24/410:20 a.m.YYZ - COS
2 stops12h 45mDelta
Sun 11/58:00 a.m.COS - YYZ
1 stop6h 40mDelta
Deal found 10/4C$ 473
Sun 8/68:25 p.m.YTZ - DEN
1 stop16h 02mAir Canada
Wed 11/67:50 a.m.DEN - YTZ
2 stops10h 47mAir Canada
Deal found 10/4C$ 477
Mon 26/56:00 a.m.YKF - DEN
2 stops14h 01mMultiple Airlines
Mon 2/612:15 p.m.DEN - YKF
1 stop10h 31mMultiple Airlines
Deal found 11/4C$ 504
Tue 29/73:29 p.m.YYZ - DEN
2 stops10h 15mAmerican Airlines
Sat 2/87:01 a.m.DEN - YYZ
1 stop13h 28mAmerican Airlines
Deal found 10/4C$ 508
Thu 24/43:50 p.m.YTZ - DEN
1 stop7h 59mMultiple Airlines
Wed 30/410:52 p.m.DEN - YTZ
2 stops18h 35mMultiple Airlines
Deal found 10/4C$ 521
Sun 25/56:00 a.m.YKF - DEN
1 stop14h 52mWestJet
Sat 31/512:15 p.m.DEN - YKF
1 stop10h 31mWestJet
Deal found 10/4C$ 534

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 April 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

HamiltonDenver

YHM - DEN

YHMDEN

Hamilton

Fri 23/5

6:00 a.m.-6:52 p.m.

1 stop14h 52m

Denver Intl

Wed 28/5

12:15 p.m.-12:41 a.m.

1 stop10h 26m

C$ 270

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Sat 26/4

6:45 a.m.-3:49 p.m.

1 stop11h 04m

Colorado Springs

Sat 3/5

4:39 p.m.-12:40 p.m.

1 stop18h 01m

C$ 406

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 23/5

6:30 a.m.-6:52 p.m.

1 stop14h 22m

Denver Intl

Mon 26/5

8:24 p.m.-5:20 p.m.

1 stop18h 56m

C$ 431

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 4/6

6:35 p.m.-11:30 p.m.

1 stop6h 55m

Denver Intl

Thu 12/6

9:56 a.m.-3:11 p.m.

Nonstop3h 15m

C$ 434

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sun 25/5

8:00 a.m.-6:52 p.m.

1 stop12h 52m

Denver Intl

Sat 31/5

12:15 p.m.-12:35 a.m.

2 stops10h 20m

C$ 437

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 30/5

7:55 a.m.-4:58 p.m.

1 stop11h 03m

Denver Intl

Sun 1/6

12:55 a.m.-8:58 a.m.

1 stop6h 03m

C$ 456

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Thu 24/4

10:20 a.m.-9:05 p.m.

2 stops12h 45m

Colorado Springs

Sun 11/5

8:00 a.m.-4:40 p.m.

1 stop6h 40m

C$ 473

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Sun 8/6

8:25 p.m.-10:27 a.m.

1 stop16h 02m

Denver Intl

Wed 11/6

7:50 a.m.-8:37 p.m.

2 stops10h 47m

C$ 477

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Mon 26/5

6:00 a.m.-6:01 p.m.

2 stops14h 01m

Denver Intl

Mon 2/6

12:15 p.m.-12:46 a.m.

1 stop10h 31m

C$ 504

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 29/7

3:29 p.m.-11:44 p.m.

2 stops10h 15m

Denver Intl

Sat 2/8

7:01 a.m.-10:29 p.m.

1 stop13h 28m

C$ 508

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/4

Showing 1-10 of 31 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 April 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 April 2025.

The most flights from YTO to USCO are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 13.0 - 58.0 mm per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Colorado when rainfall is around 13.0 mm.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

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 April 2025.
See what other customers who have flown with Alaska Airlines, Delta and United Airlines from Toronto to Colorado have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Alaska Airlines
8.0
Very good
9,851 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
Delta
8.0
Very good
7,911 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
United Airlines
7.4
Good
8,636 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >
WestJet
7.2
Good
2,802 reviews
Alaska Airlines
8.0
Very good
9,851 reviews
Check prices

Entertainment

7.1

Overall

8.0

Boarding

8.2

Comfort

7.9

Food

7.1

Crew

8.5

Reviews

1 / 20
4.0
Okay

Anonymous,Apr 2025

LAS - STS

flight was delayed both ways even tho the weather was clear >

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.

  • 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$ 138 on WestJet. Other airlines that offer cheap prices include Air Canada from C$ 153 and Delta from C$ 278 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 Brussels Airlines (100%), United Airlines (60%) or Air Canada (60%) 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$ 1,501 for a flight from Toronto to Colorado. The cheapest flight overall is C$ 164 while the most popular route, (Toronto Pearson Intl - Denver Intl) is currently priced at C$ 247.

  • 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 April 2025.
AirlineCheapestAverageFlexibilityOn-time
WestJetCheapestC$ 245AverageC$ 385FlexibilityNo cancel feeOn-time60%
Search WestJet flights
Air CanadaCheapestC$ 328AverageC$ 713FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
United AirlinesCheapestC$ 345AverageC$ 675FlexibilityNo cancel feeOn-time69%
Search United 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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