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Cheap flights from Colorado to Toronto from C$ 147

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 20/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
28 Nov — 5 Dec1
1 adult
1 adult, Economy, 0 bags

Find flight deals from Colorado to Toronto

Enter your travel dates to find the best prices.

Cheapest flights from Colorado to Toronto
Explore the most affordable flight options available from Colorado to Toronto. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 October 2025.

Tue 11/1112:59 a.m.DEN - YYZ
2 stops35h 41mMultiple Airlines
Tue 18/1112:40 p.m.YYZ - DEN
1 stop12h 15mMultiple Airlines
Deal found 28/10C$ 436
Fri 14/1111:04 a.m.DEN - YYZ
1 stop8h 03mMultiple Airlines
Tue 18/1112:40 p.m.YYZ - DEN
1 stop12h 15mMultiple Airlines
Deal found 28/10C$ 449
Sun 16/1112:16 a.m.DEN - YYZ
2 stops18h 51mMultiple Airlines
Wed 19/114:45 p.m.YYZ - DEN
1 stop26h 02mMultiple Airlines
Deal found 28/10C$ 450
Wed 17/1211:59 p.m.DEN - YYZ
1 stop12h 21mMultiple Airlines
Wed 7/17:45 a.m.YYZ - DEN
2 stops36h 58mMultiple Airlines
Deal found 28/10C$ 451
Wed 24/1210:37 p.m.DEN - YYZ
2 stops22h 34mMultiple Airlines
Sun 4/18:00 p.m.YYZ - DEN
1 stop9h 58mMultiple Airlines
Deal found 29/10C$ 454
Fri 14/1111:04 a.m.DEN - YYZ
1 stop8h 03mMultiple Airlines
Thu 20/118:45 p.m.YYZ - DEN
2 stops22h 02mMultiple Airlines
Deal found 28/10C$ 456
Fri 14/1111:04 a.m.DEN - YYZ
1 stop8h 03mMultiple Airlines
Fri 21/118:45 p.m.YYZ - DEN
2 stops22h 02mMultiple Airlines
Deal found 28/10C$ 457
Wed 17/1211:59 p.m.DEN - YYZ
1 stop12h 21mMultiple Airlines
Sun 4/18:00 p.m.YYZ - DEN
1 stop9h 58mMultiple Airlines
Deal found 28/10C$ 460
Thu 4/1211:59 p.m.DEN - YYZ
1 stop22h 12mMultiple Airlines
Sun 7/127:10 a.m.YYZ - DEN
1 stop17h 54mMultiple Airlines
Deal found 28/10C$ 461
Sun 21/126:34 p.m.DEN - YYZ
1 stop10h 13mMultiple Airlines
Tue 6/11:30 p.m.YYZ - DEN
2 stops16h 28mMultiple Airlines
Deal found 28/10C$ 463
Wed 17/1211:59 p.m.DEN - YYZ
1 stop12h 21mMultiple Airlines
Sat 3/17:55 p.m.YYZ - DEN
1 stop10h 03mMultiple Airlines
Deal found 27/10C$ 464
Thu 27/116:22 a.m.DEN - YTZ
1 stop10h 33mMultiple Airlines
Thu 4/128:55 a.m.YTZ - DEN
1 stop9h 20mMultiple Airlines
Deal found 28/10C$ 469

Cheap flight deals from Colorado to Toronto

Keep the following information in mind while searching for Colorado to Toronto flight deals. Data was last updated 29 October 2025.

Round-trip from

C$ 436

One-way from

C$ 147

Popular in

November

Cheapest in

March

Average price

C$ 745

Good round-trip deal

C$ 679 or less

Good one-way deal

C$ 760 or less
11/11-18/11
  • 11/11-18/11
  • 3 total stops
  • 47h 56m total
  • Colorado to Toronto
Search Deals
20/1
  • 20/1
  • 2 total stops
  • 39h 30m total
  • Colorado to Toronto
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 61 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 16 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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Price to beat on a round-trip flight from Colorado to Toronto (YTO).
Search Deals
Price to beat on a one-way flight from Colorado to Toronto (YTO).
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Colorado to Toronto 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 29 October 2025.
Use the filters below to find and compare flights from Colorado to Toronto that are best for you.

Fly from

Colorado

Fly to

Toronto

Route

Depart

Return

Price

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 27/11

6:22 a.m.-6:55 p.m.

1 stop10h 33m

Toronto Island

Thu 4/12

8:55 a.m.-4:15 p.m.

1 stop9h 20m

C$ 469

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Sun 9/11

8:05 a.m.-6:57 p.m.

1 stop8h 52m

Toronto Island

Wed 12/11

9:15 a.m.-2:41 p.m.

2 stops31h 26m

C$ 479

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 17/11

8:02 p.m.-3:35 p.m.

1 stop17h 33m

Toronto Pearson Intl

Wed 19/11

4:45 p.m.-11:59 p.m.

1 stop9h 14m

C$ 495

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Fri 14/11

12:16 a.m.-3:27 p.m.

2 stops13h 11m

Toronto Island

Mon 17/11

9:15 a.m.-11:44 p.m.

2 stops16h 29m

C$ 500

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Sun 16/11

4:08 p.m.-3:58 p.m.

2 stops21h 50m

Toronto Island

Sun 23/11

2:30 p.m.-9:00 a.m.

1 stop20h 30m

C$ 537

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Fri 5/12

12:59 a.m.-7:50 p.m.

2 stops16h 51m

Toronto Island

Sun 7/12

9:15 a.m.-2:02 p.m.

1 stop6h 47m

C$ 542

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sat 6/12

11:41 a.m.-3:35 p.m.

2 stops25h 54m

Toronto Pearson Intl

Wed 10/12

4:45 p.m.-12:01 p.m.

2 stops21h 16m

C$ 551

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Sat 21/3

8:45 p.m.-1:42 p.m.

1 stop14h 57m

Toronto Island

Fri 27/3

9:15 a.m.-8:56 a.m.

1 stop25h 41m

C$ 551

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 8/1

6:31 p.m.-11:40 a.m.

2 stops15h 09m

Toronto Island

Sun 11/1

2:30 p.m.-10:55 p.m.

1 stop10h 25m

C$ 563

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 18/11

11:31 a.m.-3:35 p.m.

2 stops26h 04m

Toronto Pearson Intl

Fri 21/11

4:45 p.m.-11:59 p.m.

1 stop9h 14m

C$ 570

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/10

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

Have a flexible travel schedule? Discover the best time to fly to Toronto from Colorado 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 Colorado to Toronto

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

Currently, June is the cheapest month in which you can book a flight from Colorado to Toronto (average of C$ 180). Flying from Colorado to Toronto in January is currently the most expensive (average of C$ 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 CO to YTO?

Find hourly flight availability from Colorado to Toronto. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 October 2025.

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

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

Related info for your journey

Find useful and relevant information for your journey from Colorado to Toronto. 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 Colorado to Toronto?

    Airlines like Alaska Airlines, American Airlines, and Delta fly from Colorado to Toronto in about 8h 17m. The time it takes to get you to your destination can typically vary by up to 12h 01m. There are 2155 km between Colorado and Toronto. This flight may include one or multiple stops.

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

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

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

    No one likes to see their flight delayed. When booking a flight from Colorado to Toronto consider choosing Brussels Airlines (79%), Air Canada (77%) or United Airlines (76%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Colorado to Toronto?

    While on average a flight from Colorado to Toronto is generally C$ 814, our data shows the cheapest flight currently is C$ 300. When looking at the most popular route, (Denver Intl - Toronto Pearson Intl), you can expect to pay C$ 323 for that flight.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Colorado to Toronto 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 Colorado to Toronto?

    Currently, June is the cheapest month in which you can book a flight from Colorado to Toronto (average of C$ 180). Flying from Colorado to Toronto in January is currently the most expensive (average of C$ 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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Alternative routes for Colorado to Toronto

See prices for flight routes from nearby airports that may be better suited for you.
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San Diego to Pearson Intl flights
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Baltimore to Pierre Elliott Trudeau Intl flights
Fort Myers to Pearson Intl flights
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Orlando to Toronto Island flights
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Top airline flying from Colorado to Toronto

Discover the top airline that operate flights from Colorado to Toronto. 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 29 October 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 290AverageC$ 557FlexibilityNo cancel feeOn-time67%
Search Air Canada 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 Colorado to Toronto?

When you search for this flight from Colorado to Toronto, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

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

Cheapflights simply makes it quick and affordable to book flights from Colorado to Toronto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes, we can. To see specific flights from Colorado to Toronto with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Colorado to Toronto become cheaper?

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

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