Find flights
Deals
When to book
FAQs

Cheap flights from Colorado to Toronto from C$ 178

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 24/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
30 Aug — 6 Sep1
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 31 July 2026.

Mon 14/910:38 a.m.
DEN
-
YYZ
1 stop9h 17m
Multiple Airlines
Tue 22/912:55 p.m.
YYZ
-
DEN
1 stop10h 54m
Multiple Airlines
Deal found 30/7C$ 480
Tue 20/103:10 p.m.
DEN
-
YTZ
1 stop22h 50m
Multiple Airlines
Sat 24/101:45 p.m.
YTZ
-
DEN
2 stops21h 46m
Multiple Airlines
Deal found 30/7C$ 481
Wed 16/910:38 a.m.
DEN
-
YYZ
1 stop9h 17m
Multiple Airlines
Tue 22/912:55 p.m.
YYZ
-
DEN
1 stop10h 54m
Multiple Airlines
Deal found 30/7C$ 481
Thu 10/910:38 a.m.
DEN
-
YYZ
1 stop9h 17m
Multiple Airlines
Mon 21/94:45 p.m.
YYZ
-
DEN
1 stop7h 58m
Multiple Airlines
Deal found 30/7C$ 483
Fri 11/910:44 a.m.
DEN
-
YTZ
2 stops24h 11m
Multiple Airlines
Wed 16/910:50 a.m.
YTZ
-
DEN
1 stop8h 26m
Multiple Airlines
Deal found 29/7C$ 487
Tue 15/97:12 p.m.
DEN
-
YTZ
2 stops18h 48m
Multiple Airlines
Mon 21/910:50 a.m.
YTZ
-
DEN
1 stop11h 37m
Multiple Airlines
Deal found 30/7C$ 494
Mon 14/910:44 a.m.
DEN
-
YTZ
2 stops25h 41m
Multiple Airlines
Mon 21/910:50 a.m.
YTZ
-
DEN
1 stop11h 37m
Multiple Airlines
Deal found 30/7C$ 495
Mon 14/910:38 a.m.
DEN
-
YYZ
1 stop9h 17m
Multiple Airlines
Fri 18/98:35 p.m.
YYZ
-
DEN
1 stop15h 32m
Multiple Airlines
Deal found 30/7C$ 495
Thu 10/910:38 a.m.
DEN
-
YYZ
1 stop9h 17m
Multiple Airlines
Fri 18/98:35 p.m.
YYZ
-
DEN
1 stop15h 32m
Multiple Airlines
Deal found 30/7C$ 498
Wed 9/99:16 p.m.
DEN
-
YYZ
2 stops21h 39m
Multiple Airlines
Wed 16/94:45 p.m.
YYZ
-
DEN
1 stop26h 37m
Multiple Airlines
Deal found 29/7C$ 500
Sat 12/910:44 a.m.
DEN
-
YTZ
2 stops24h 11m
Multiple Airlines
Sat 19/910:50 a.m.
YTZ
-
DEN
1 stop8h 26m
Multiple Airlines
Deal found 29/7C$ 501
Wed 2/98:31 a.m.
DEN
-
YYZ
1 stop11h 24m
Multiple Airlines
Mon 14/94:45 p.m.
YYZ
-
DEN
1 stop7h 50m
Multiple Airlines
Deal found 29/7C$ 502

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 31 July 2026.

Round-trip from

C$ 480

One-way from

C$ 178

Popular in

February

Cheapest in

November

Average price

C$ 883

Good round-trip deal

C$ 364 or less

Good one-way deal

C$ 317 or less
14/9-22/9
  • 14/9-22/9
  • 2 total stops
  • 20h 11m total
  • Colorado to Toronto
Search Deals
24/8
  • 24/8
  • 1 total stop
  • 11h 24m total
  • Colorado to Toronto
Search Deals
Highest demand for flights based on searches. 8% potential increase in price (C$ 103 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in July 2026
Search Deals
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).
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 31 July 2026.
Use the filters below to find and compare flights from Colorado to Toronto that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 24/9

8:55 p.m.-2:25 p.m.

1 stop15h 30m

Toronto Island

Wed 30/9

10:50 a.m.-5:16 p.m.

1 stop8h 26m

C$ 494

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Tue 15/9

7:10 p.m.-12:55 p.m.

2 stops39h 45m

Toronto Island

Mon 21/9

10:50 a.m.-8:27 p.m.

1 stop11h 37m

C$ 495

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 13/8

12:15 p.m.-12:55 p.m.

1 stop22h 40m

Toronto Pearson Intl

Mon 17/8

10:25 p.m.-11:20 a.m.

1 stop14h 55m

C$ 568

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Sun 27/9

11:23 a.m.-12:55 p.m.

1 stop23h 32m

Toronto Island

Thu 1/10

10:50 a.m.-9:49 p.m.

1 stop12h 59m

C$ 599

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Wed 9/9

7:50 p.m.-3:00 p.m.

2 stops17h 10m

Toronto Region of Waterloo Intl

Wed 16/9

8:40 p.m.-4:58 p.m.

2 stops22h 18m

C$ 636

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Fri 25/9

12:15 p.m.-11:13 p.m.

1 stop8h 58m

Hamilton

Sun 27/9

6:55 p.m.-11:20 a.m.

1 stop18h 25m

C$ 697

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Wed 2/9

12:15 p.m.-5:15 p.m.

1 stop27h 00m

Hamilton

Sun 6/9

6:10 p.m.-11:20 a.m.

1 stop19h 10m

C$ 709

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Sat 12/9

7:45 p.m.-4:30 p.m.

3 stops18h 45m

Toronto Island

Sat 19/9

3:35 p.m.-10:31 a.m.

2 stops20h 56m

C$ 730

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Wed 2/9

12:15 p.m.-7:50 p.m.

1 stop29h 35m

Toronto Region of Waterloo Intl

Sun 6/9

8:40 p.m.-11:20 a.m.

1 stop16h 40m

C$ 731

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Sat 22/8

6:30 a.m.-11:10 p.m.

2 stops14h 40m

Toronto Pearson Intl

Tue 1/9

6:15 a.m.-5:36 p.m.

2 stops13h 21m

C$ 746

Flights are sorted by cheapest round-trip flights first.

Deals found on 27/7

Showing 1-10 of 60 resultsSorted by cheapest first
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, October is the cheapest month in which you can book a flight from Colorado to Toronto (average of C$ 728). Flying from Colorado to Toronto in February is currently the most expensive (average of C$ 963). 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 31 July 2026.

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 31 July 2026.

The most flights from USCO to YTO are scheduled on a Wednesday (10 on average). You will have fewer flight options on Sunday, which is when the least amount of flights are scheduled (4 on average).

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

Airfare is below average for this route at the moment.
Colorado to Toronto flights typically cost between C$ 550 and C$ 1,031 in September.
The cheapest round-trip price found within the last 5 days was C$ 480 on Multiple Airlines (14 Sep-22 Sep).

How far ahead should I book a flight from Colorado to Toronto?

To ensure you get the cheapest price possible for a flight from Colorado to Toronto, you should look to book at least 23 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

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 WestJet, Delta, and United Airlines fly from Colorado to Toronto in about 5h 12m. The time it takes to get you to your destination can typically vary by up to 17h 28m. 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 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 United 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$ 363, our data shows the cheapest flight currently is C$ 259. When looking at the most popular route, (Denver Intl - Toronto Pearson Intl), you can expect to pay C$ 459 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, October is the cheapest month in which you can book a flight from Colorado to Toronto (average of C$ 728). Flying from Colorado to Toronto in February is currently the most expensive (average of C$ 963). 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
LaGuardia to Pearson Intl flights
John F Kennedy Intl to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
Los Angeles to Pearson Intl flights
John F Kennedy Intl to Toronto Island flights
Reagan-National to Pearson Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Dulles Intl to Pearson Intl flights
San Francisco to Pearson Intl flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pearson Intl flights
O'Hare Intl to Pearson Intl flights
Newark to Hamilton flights
Boston to Pearson Intl flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
LaGuardia to Toronto Island flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Boston to Toronto Island flights
Dulles Intl to Toronto Island flights
Hobby to Pearson Intl flights
Fort Lauderdale to Pearson Intl flights
Atlanta to Pearson Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Baltimore to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Seattle to Pearson Intl flights
George Bush Intcntl to Pearson Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Philadelphia to Pearson Intl flights
Ontario to Pearson Intl flights
Orlando to Pearson Intl flights
Minneapolis to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
San Diego to Pearson Intl flights
Austin to Pearson Intl flights
Reagan-National to Toronto Island flights
O'Hare Intl to Toronto Island flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Los Angeles to Toronto Island flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Midway to Toronto Island flights
Miami to Pearson Intl flights
Charlotte to Pearson Intl flights
Denver to Pearson Intl flights
Detroit to Pierre Elliott Trudeau Intl flights
Midway to Pearson 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 31 July 2026.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 291AverageC$ 864FlexibilityNo 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.