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Cheap flights from Colorado to Toronto from C$ 180

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 29/6. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
17 Jun — 24 Jun1
1 adult

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 12 June 2025.

Round-trip from

C$ 339

One-way from

C$ 180

Popular in

November

Cheapest in

March

Average price

C$ 670

Good round-trip deal

C$ 598 or less

Good one-way deal

C$ 334 or less
WestJet
  • WestJet
  • 1/9-7/9
  • 3 total stops
  • 21h 04m total
  • Colorado to Toronto
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WestJet
  • WestJet
  • 29/6
  • 1 total stop
  • 10h 26m total
  • Colorado to Toronto
Search Deals
Highest demand for flights based on searches. 4% potential increase in price (C$ 45 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 19 potential savings vs. average RT price).
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Average for round-trip flights in June 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 12 June 2025.

Mon 1/912:15 p.m.DEN - YYZ
2 stops10h 16mWestJet
Sun 7/910:00 a.m.YYZ - DEN
1 stop10h 48mWestJet
Deal found 11/6C$ 339
Tue 1/712:15 p.m.DEN - YYZ
2 stops10h 18mMultiple Airlines
Thu 3/79:45 a.m.YYZ - DEN
1 stop15h 23mMultiple Airlines
Deal found 10/6C$ 390
Tue 22/712:15 p.m.DEN - YKF
1 stop10h 31mWestJet
Tue 29/77:45 p.m.YKF - DEN
1 stop17h 42mWestJet
Deal found 10/6C$ 401
Wed 3/912:15 p.m.DEN - YKF
1 stop15h 00mMultiple Airlines
Sun 7/96:00 a.m.YKF - DEN
1 stop14h 48mMultiple Airlines
Deal found 11/6C$ 468
Tue 2/912:15 p.m.DEN - YHM
1 stop10h 25mWestJet
Sun 7/96:00 a.m.YHM - DEN
1 stop14h 48mWestJet
Deal found 11/6C$ 485
Sun 10/89:40 a.m.DEN - YYZ
1 stop6h 59mAir Canada
Sun 17/811:00 a.m.YYZ - DEN
1 stop9h 20mAir Canada
Deal found 10/6C$ 524
Wed 23/712:15 p.m.DEN - YHM
1 stop10h 26mMultiple Airlines
Mon 28/78:55 p.m.YHM - DEN
1 stop16h 32mMultiple Airlines
Deal found 10/6C$ 537
Sat 28/63:35 p.m.COS - YYZ
1 stop5h 13mUnited Airlines
Mon 30/64:18 p.m.YYZ - COS
1 stop7h 37mUnited Airlines
Deal found 10/6C$ 543
Sun 3/88:38 a.m.DEN - YYZ
1 stop6h 12mSun Country Air
Sun 10/86:00 p.m.YYZ - DEN
1 stop17h 01mSun Country Air
Deal found 10/6C$ 550
Thu 12/65:01 p.m.COS - YYZ
1 stop17h 34mAmerican Airlines
Sun 15/66:49 a.m.YYZ - COS
1 stop15h 38mAmerican Airlines
Deal found 9/6C$ 561
Tue 17/612:55 a.m.DEN - YYZ
1 stop6h 26mDelta
Sat 21/66:30 a.m.YYZ - DEN
1 stop5h 28mDelta
Deal found 10/6C$ 561
Thu 4/98:56 a.m.DEN - YTZ
2 stops30h 57mMultiple Airlines
Sun 21/912:00 p.m.YTZ - DEN
2 stops25h 24mMultiple Airlines
Deal found 11/6C$ 563

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 12 June 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

Mon 1/9

12:15 p.m.-12:31 a.m.

2 stops10h 16m

Toronto Pearson Intl

Sun 7/9

10:00 a.m.-6:48 p.m.

1 stop10h 48m

C$ 339

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 1/7

12:15 p.m.-12:33 a.m.

2 stops10h 18m

Toronto Pearson Intl

Thu 3/7

9:45 a.m.-11:08 p.m.

1 stop15h 23m

C$ 390

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Tue 22/7

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

1 stop10h 31m

Toronto Region of Waterloo Intl

Tue 29/7

7:45 p.m.-11:27 a.m.

1 stop17h 42m

C$ 401

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Wed 3/9

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

1 stop15h 00m

Toronto Region of Waterloo Intl

Sun 7/9

6:00 a.m.-6:48 p.m.

1 stop14h 48m

C$ 468

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Tue 2/9

12:15 p.m.-12:40 a.m.

1 stop10h 25m

Hamilton

Sun 7/9

6:00 a.m.-6:48 p.m.

1 stop14h 48m

C$ 485

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sun 10/8

7:45 a.m.-12:58 p.m.

Nonstop3h 13m

Toronto Pearson Intl

Sun 17/8

6:20 p.m.-8:00 p.m.

Nonstop3h 40m

C$ 524

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Wed 23/7

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

1 stop10h 26m

Hamilton

Mon 28/7

8:55 p.m.-11:27 a.m.

1 stop16h 32m

C$ 537

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Sat 28/6

3:35 p.m.-10:48 p.m.

1 stop5h 13m

Toronto Pearson Intl

Mon 30/6

4:18 p.m.-9:55 p.m.

1 stop7h 37m

C$ 543

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sun 3/8

8:38 a.m.-4:50 p.m.

1 stop6h 12m

Toronto Pearson Intl

Sun 10/8

6:00 p.m.-9:01 a.m.

1 stop17h 01m

C$ 550

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 4/9

8:56 a.m.-5:53 p.m.

2 stops30h 57m

Toronto Island

Sun 21/9

12:00 p.m.-11:24 a.m.

2 stops25h 24m

C$ 563

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 33 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$ 167). Flying from Colorado to Toronto in July is currently the most expensive (average of C$ 255). 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 12 June 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 12 June 2025.

The most flights from USCO to YTO are scheduled on a Monday (11 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (8 on average).

Rainfall in Toronto by month

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

In terms of precipitation, rainfall in Toronto ranges from 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Toronto when rainfall is around 51.0 mm.

Temperature in Toronto by month

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

If weather is an important factor for your trip to Toronto, 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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

Reviews of airlines servicing Toronto

Get insights into the airlines that provide service to Toronto. 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 Toronto. Reviews last updated 12 June 2025.
Read through reviews of airlines operating flights from Colorado to Toronto, such as Alaska Airlines, Delta and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Crew

8.5

Overall

8.0

Boarding

8.1

Comfort

7.8

Food

7.1

Entertainment

7.1

Reviews

1 / 20
10.0
Excellent

Surinder,May 2025

SEA - YYZ

My wife wanted the aile seat and I always prefer window seat. Luckily we both got the best seats we wanted. The plane was very nice and we enjoyed the best take off and the smooth landing at Toronto. All the services by the staff inside the aeroplane were very nice well appreciated. Thanks again and hope to see you soon.

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.

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

    C$ 180 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 American Airlines, with prices starting from C$ 228 and C$ 239, 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 Brussels Airlines (81%), Austrian Airlines (78%) or Air Canada (73%) 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$ 581, our data shows the cheapest flight currently is C$ 228. When looking at the most popular route, (Denver Intl - Toronto Pearson Intl), you can expect to pay C$ 390 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$ 167). Flying from Colorado to Toronto in July is currently the most expensive (average of C$ 255). 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 12 June 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 250AverageC$ 688FlexibilityNo 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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