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Cheap flights from Colorado to Toronto from C$ 173

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 13/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
14 Oct — 21 Oct1
1 adult
1 adult, Economy

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 14 September 2025.

Round-trip from

C$ 317

One-way from

C$ 173

Popular in

February

Cheapest in

March

Average price

C$ 662

Good round-trip deal

C$ 277 or less

Good one-way deal

C$ 299 or less
20/10-22/10
  • 20/10-22/10
  • 3 total stops
  • 35h 48m total
  • Colorado to Toronto
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WestJet
  • WestJet
  • 13/10
  • 1 total stop
  • 10h 25m total
  • Colorado to Toronto
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High demand for flights, 27% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 16 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 Colorado to Toronto (YTO).
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Price to beat on a one-way flight from Colorado to Toronto (YTO).
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Find flight deals from Colorado to Toronto

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 14 September 2025.

Mon 20/1010:29 p.m.DEN - YYZ
2 stops20h 23mMultiple Airlines
Wed 22/109:45 a.m.YYZ - DEN
1 stop15h 25mMultiple Airlines
Deal found 12/9C$ 317
Thu 16/1010:55 p.m.DEN - YYZ
2 stops19h 57mMultiple Airlines
Mon 20/104:00 p.m.YYZ - DEN
1 stop18h 12mMultiple Airlines
Deal found 13/9C$ 324
Sat 25/1012:00 p.m.DEN - YYZ
1 stop7h 07mMultiple Airlines
Tue 28/101:30 p.m.YYZ - DEN
2 stops16h 29mMultiple Airlines
Deal found 12/9C$ 328
Fri 31/109:05 a.m.DEN - YYZ
1 stop8h 55mMultiple Airlines
Sun 2/118:00 p.m.YYZ - DEN
1 stop29h 16mMultiple Airlines
Deal found 14/9C$ 335
Thu 23/108:21 p.m.DEN - YYZ
1 stop22h 46mMultiple Airlines
Mon 27/107:15 a.m.YYZ - DEN
1 stop11h 52mMultiple Airlines
Deal found 14/9C$ 341
Thu 23/108:21 p.m.DEN - YYZ
1 stop22h 46mMultiple Airlines
Sun 26/108:00 p.m.YYZ - DEN
1 stop23h 07mMultiple Airlines
Deal found 14/9C$ 342
Thu 16/1010:55 p.m.DEN - YYZ
1 stop30h 04mMultiple Airlines
Tue 21/1011:00 a.m.YYZ - DEN
2 stops14h 10mMultiple Airlines
Deal found 13/9C$ 345
Tue 11/1110:29 p.m.DEN - YYZ
2 stops19h 07mMultiple Airlines
Sat 15/1112:40 p.m.YYZ - DEN
1 stop9h 25mMultiple Airlines
Deal found 12/9C$ 347
Tue 14/1010:55 p.m.DEN - YYZ
1 stop30h 04mMultiple Airlines
Tue 21/102:00 p.m.YYZ - DEN
2 stops15h 59mMultiple Airlines
Deal found 14/9C$ 349
Thu 27/116:24 p.m.DEN - YYZ
1 stop24h 08mMultiple Airlines
Wed 10/121:30 p.m.YYZ - DEN
2 stops16h 28mMultiple Airlines
Deal found 13/9C$ 352
Fri 3/1012:15 p.m.DEN - YYZ
1 stop10h 07mMultiple Airlines
Wed 8/1010:00 a.m.YYZ - DEN
2 stops15h 10mMultiple Airlines
Deal found 14/9C$ 353
Fri 10/109:19 p.m.DEN - YTZ
1 stop12h 58mMultiple Airlines
Fri 17/101:35 p.m.YTZ - DEN
1 stop8h 47mMultiple Airlines
Deal found 12/9C$ 444

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 14 September 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 - YYZ

DENYYZ

Denver Intl

Tue 11/11

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

2 stops19h 07m

Toronto Pearson Intl

Sat 15/11

12:40 p.m.-8:05 p.m.

1 stop9h 25m

C$ 347

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 28/10

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

2 stops19h 07m

Toronto Pearson Intl

Tue 4/11

9:35 a.m.-3:59 a.m.

1 stop20h 24m

C$ 353

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 28/10

12:16 a.m.-12:11 a.m.

1 stop21h 55m

Toronto Pearson Intl

Thu 30/10

5:15 p.m.-8:15 a.m.

1 stop17h 00m

C$ 370

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 17/11

11:04 a.m.-9:07 p.m.

1 stop8h 03m

Toronto Pearson Intl

Mon 24/11

1:30 p.m.-9:08 a.m.

2 stops21h 38m

C$ 422

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 16/10

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

1 stop9h 15m

Toronto Island

Tue 21/10

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

1 stop8h 55m

C$ 476

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Mon 20/10

8:58 p.m.-12:17 p.m.

1 stop13h 19m

Toronto Island

Wed 22/10

7:30 p.m.-7:14 a.m.

2 stops13h 44m

C$ 484

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Sat 11/10

8:22 p.m.-12:17 p.m.

1 stop13h 55m

Toronto Island

Sat 18/10

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

1 stop8h 55m

C$ 496

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 21/10

6:05 p.m.-6:01 a.m.

1 stop9h 56m

Toronto Pearson Intl

Fri 24/10

2:55 p.m.-4:29 p.m.

Nonstop3h 34m

C$ 525

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Sun 19/10

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

1 stop13h 05m

Toronto Island

Thu 23/10

7:30 p.m.-7:14 a.m.

2 stops13h 44m

C$ 527

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 30/10

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

1 stop8h 52m

Toronto Island

Sun 2/11

2:30 p.m.-7:41 a.m.

1 stop19h 11m

C$ 532

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/9

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, January is the cheapest month in which you can book a flight from Colorado to Toronto (average of C$ 168). Flying from Colorado to Toronto in July is currently the most expensive (average of C$ 258). 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 14 September 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.

Weekly flight availability from Colorado to Toronto

Explore weekly flight availability from Colorado to Toronto. 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 14 September 2025.

The most flights from USCO to YTO are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

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 Air Canada, American Airlines, and Delta fly from Colorado to Toronto in about 3h 10m. The time it takes to get you to your destination can typically vary by up to 9h 32m. There are 2111 km between Colorado and Toronto. This flight may include one or multiple stops.

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

    C$ 174 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Air Canada and Delta, with prices starting from C$ 245 and C$ 259, respectively.

  • 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 Denver Intl - Hamilton 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 Austrian Airlines (74%), Brussels Airlines (71%) or Air Canada (68%) 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$ 412, our data shows the cheapest flight currently is C$ 230. When looking at the most popular route, (Denver Intl - Toronto Pearson Intl), you can expect to pay C$ 317 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, January is the cheapest month in which you can book a flight from Colorado to Toronto (average of C$ 168). Flying from Colorado to Toronto in July is currently the most expensive (average of C$ 258). 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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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 14 September 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 288AverageC$ 551FlexibilityNo 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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