Find flights
Deals
When to book
FAQs

Cheap flights from Colorado to Toronto from C$ 143

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 29/1. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
14 Jan — 21 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap 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 15 December 2025.

Tue 23/129:26 p.m.DEN - YYZ
2 stops14h 54mMultiple Airlines
Wed 7/13:15 p.m.YYZ - DEN
1 stop12h 08mMultiple Airlines
Deal found 13/12C$ 633
Wed 24/125:51 p.m.DEN - YYZ
2 stops25h 28mMultiple Airlines
Wed 7/16:20 p.m.YYZ - DEN
1 stop9h 03mMultiple Airlines
Deal found 13/12C$ 653
Mon 22/1211:59 p.m.DEN - YYZ
1 stop9h 44mMultiple Airlines
Wed 7/112:30 p.m.YYZ - DEN
2 stops17h 28mMultiple Airlines
Deal found 13/12C$ 695
Tue 23/129:26 p.m.DEN - YYZ
2 stops14h 54mMultiple Airlines
Mon 5/13:15 p.m.YYZ - DEN
1 stop12h 08mMultiple Airlines
Deal found 13/12C$ 719
Tue 23/129:26 p.m.DEN - YYZ
2 stops14h 54mMultiple Airlines
Tue 6/18:20 p.m.YYZ - DEN
1 stop15h 30mMultiple Airlines
Deal found 13/12C$ 720
Wed 24/1210:33 a.m.DEN - YYZ
2 stops25h 47mMultiple Airlines
Thu 1/19:35 a.m.YYZ - DEN
1 stop20h 23mMultiple Airlines
Deal found 15/12C$ 726
Sun 21/129:26 p.m.DEN - YYZ
2 stops12h 17mMultiple Airlines
Mon 5/17:45 p.m.YYZ - DEN
1 stop7h 38mMultiple Airlines
Deal found 14/12C$ 733
Mon 29/1211:59 p.m.DEN - YYZ
2 stops17h 26mMultiple Airlines
Mon 5/13:15 p.m.YYZ - DEN
1 stop12h 08mMultiple Airlines
Deal found 15/12C$ 742
Mon 22/1211:59 p.m.DEN - YYZ
1 stop9h 44mMultiple Airlines
Mon 5/18:20 p.m.YYZ - DEN
2 stops21h 13mMultiple Airlines
Deal found 13/12C$ 746
Wed 17/1212:14 a.m.DEN - YYZ
2 stops21h 06mMultiple Airlines
Sat 3/17:15 a.m.YYZ - DEN
1 stop20h 08mMultiple Airlines
Deal found 15/12C$ 782
Sat 27/1211:59 p.m.DEN - YHM
1 stop12h 21mMultiple Airlines
Sat 3/17:25 a.m.YHM - DEN
2 stops16h 24mMultiple Airlines
Deal found 13/12C$ 921
Wed 17/129:42 a.m.DEN - YTZ
1 stop9h 33mMultiple Airlines
Mon 22/129:15 a.m.YTZ - DEN
1 stop25h 41mMultiple Airlines
Deal found 12/12C$ 1,197

Find flight deals from Colorado to Toronto

Keep the following information in mind while searching for Colorado to Toronto flight deals. Data was last updated 15 December 2025.

Round-trip from

C$ 322

One-way from

C$ 143

Popular in

December

Cheapest in

March

Average price

C$ 810

Good round-trip deal

C$ 246 or less
22/1-2/2
  • 22/1-2/2
  • 3 total stops
  • 42h 15m total
  • Colorado to Toronto
Search Deals
29/1
  • 29/1
  • 2 total stops
  • 15h 20m total
  • Colorado to Toronto
Search Deals
Highest demand for flights based on searches. 0% potential increase in price (C$ 8 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 20 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals
Price to beat on a round-trip flight from Colorado to Toronto (YTO).
Search Deals

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 15 December 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

Thu 22/1

10:29 p.m.-7:42 p.m.

1 stop19h 13m

Toronto Pearson Intl

Mon 2/2

1:30 p.m.-10:32 a.m.

2 stops23h 02m

C$ 322

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 29/1

7:10 a.m.-6:47 a.m.

1 stop21h 37m

Toronto Pearson Intl

Thu 5/2

1:30 p.m.-9:01 a.m.

2 stops21h 31m

C$ 369

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 23/1

6:37 p.m.-6:47 a.m.

1 stop10h 10m

Toronto Pearson Intl

Sun 1/2

8:00 p.m.-11:20 a.m.

2 stops17h 20m

C$ 414

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 15/1

9:50 a.m.-10:40 p.m.

1 stop10h 50m

Toronto Pearson Intl

Sun 18/1

7:15 a.m.-8:47 p.m.

2 stops15h 32m

C$ 508

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 6/2

5:09 p.m.-3:35 p.m.

1 stop20h 26m

Toronto Pearson Intl

Sun 8/2

4:45 p.m.-11:35 p.m.

1 stop32h 50m

C$ 514

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 15/1

9:50 a.m.-10:10 p.m.

1 stop10h 20m

Toronto Island

Sun 18/1

8:50 a.m.-4:22 p.m.

1 stop9h 32m

C$ 538

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 28/1

12:34 p.m.-3:35 p.m.

2 stops25h 01m

Toronto Pearson Intl

Wed 4/2

4:45 p.m.-10:53 a.m.

2 stops20h 08m

C$ 548

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 21/1

8:04 a.m.-3:35 p.m.

2 stops29h 31m

Toronto Pearson Intl

Fri 23/1

4:45 p.m.-4:13 p.m.

1 stop25h 28m

C$ 556

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 15/1

1:34 p.m.-3:35 p.m.

1 stop24h 01m

Toronto Pearson Intl

Sun 18/1

4:45 p.m.-12:38 p.m.

1 stop21h 53m

C$ 571

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sun 1/3

7:00 a.m.-3:35 p.m.

1 stop30h 35m

Toronto Pearson Intl

Wed 4/3

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

1 stop33h 14m

C$ 582

Flights are sorted by cheapest round-trip flights first.

Deals found on 15/12

Showing 1-10 of 59 results
1
2
3
...
6

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$ 178). Flying from Colorado to Toronto in February is currently the most expensive (average of C$ 319). 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 15 December 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 15 December 2025.

The most flights from USCO to YTO are scheduled on a Monday (7 on average). You will have fewer flight options on Thursday, which is when the least amount of flights are scheduled (5 on average).

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, Air Canada, and American Airlines fly from Colorado to Toronto in about 8h 19m. The time it takes to get you to your destination can typically vary by up to 12h 07m. There are 2155 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$ 73 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on United Airlines and Air Canada, with prices starting from C$ 228 and C$ 281, 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 - Toronto Region of Waterloo 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 Austrian Airlines (87%), United Airlines (81%) or Air Canada (81%) 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$ 282, our data shows the cheapest flight currently is C$ 226. When looking at the most popular route, (Denver Intl - Toronto Pearson Intl), you can expect to pay C$ 355 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$ 178). Flying from Colorado to Toronto in February is currently the most expensive (average of C$ 319). 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Colorado to Toronto

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

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 15 December 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 286AverageC$ 549FlexibilityNo 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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.