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$83+ Cheap flights from Colorado to Toronto (YTO)

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 5/13. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
May 6 — May 131
Tue 5/6
Tue 5/13
1 adult, Economy
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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 May 1, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$230
(Kiwi.com)

One-way from

$83
(Trip.com)

Popular in

November

Cheapest in

March

Average price

$370

Good round-trip deal

$549 or less

Good one-way deal

$307 or less
Provider with most accurate pricing for Denver Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Toronto (YTO) flights.
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From Colorado to Toronto (YTO)
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One-way flight from Colorado to Toronto (YTO)
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Highest demand for flights based on searches. 6% potential increase in price ($35 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in May 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 May 1, 2025.

This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/67:40 pmDEN - YYZ
1 stop8h 32mWestJet
Sun 6/811:00 amYYZ - DEN
1 stop9h 52mWestJet
Deal found 4/30$239
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1712:15 pmDEN - YKF
1 stop10h 31mWestJet
Fri 5/236:00 amYKF - DEN
1 stop14h 52mWestJet
Deal found 4/29$285
This oojo deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 5/1712:15 pmDEN - YHM
1 stop10h 26mWestJet
Fri 5/236:00 amYHM - DEN
1 stop14h 52mWestJet
Deal found 4/29$303
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/2712:15 pmDEN - YYZ
1 stop8h 39mMultiple Airlines
Tue 7/112:00 pmYYZ - DEN
2 stops18h 01mMultiple Airlines
Deal found 4/30$316
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/28:21 pmDEN - YTZ
1 stop13h 59mMultiple Airlines
Sat 7/57:55 amYTZ - DEN
1 stop10h 38mMultiple Airlines
Deal found 4/30$318
This Booking.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/185:55 pmDEN - YYZ
1 stop15h 43mSun Country Air
Sun 9/217:30 amYYZ - DEN
1 stop10h 13mSun Country Air
Deal found 4/29$339
This Kiwi.com deal was found by Cheapflights users on 4/29. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 5/2510:29 pmDEN - YHM
2 stops24h 12mMultiple Airlines
Fri 5/306:00 amYHM - DEN
1 stop14h 52mMultiple Airlines
Deal found 4/29$392
This United Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 6/78:00 amCOS - YYZ
1 stop5h 11mUnited Airlines
Sat 6/146:20 pmYYZ - COS
1 stop5h 31mUnited Airlines
Deal found 4/30$399
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/612:01 pmCOS - YYZ
1 stop9h 27mAmerican Airlines
Sat 6/146:49 amYYZ - COS
1 stop11h 22mAmerican Airlines
Deal found 4/30$427
This Kiwi.com deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 6/212:15 pmDEN - YKF
1 stop15h 00mMultiple Airlines
Fri 6/66:00 amYKF - DEN
1 stop14h 52mMultiple Airlines
Deal found 4/30$430
This Delta deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/1310:57 amCOS - YYZ
2 stops9h 02mDelta
Fri 6/2010:20 amYYZ - COS
2 stops13h 15mDelta
Deal found 4/30$442
This American Airlines deal was found by Cheapflights users on 4/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/167:27 amDEN - YYZ
1 stop14h 02mAmerican Airlines
Fri 9/196:24 pmYYZ - DEN
1 stop15h 58mAmerican Airlines
Deal found 4/30$456

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 2,558,603 searches. Data last updated May 1, 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

Fri 6/6

7:40 pm-6:12 am

1 stop8h 32m

Toronto Pearson Intl

Sun 6/8

11:00 am-6:52 pm

1 stop9h 52m

$239

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sat 5/17

12:15 pm-12:46 am

1 stop10h 31m

Toronto Region of Waterloo Intl

Fri 5/23

6:00 am-6:52 pm

1 stop14h 52m

$285

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Sat 5/17

12:15 pm-12:41 am

1 stop10h 26m

Hamilton

Fri 5/23

6:00 am-6:52 pm

1 stop14h 52m

$303

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 6/27

12:15 pm-10:54 pm

1 stop8h 39m

Toronto Pearson Intl

Tue 7/1

12:00 pm-4:01 am

2 stops18h 01m

$316

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Wed 7/2

8:21 pm-12:20 pm

1 stop13h 59m

Toronto Island

Sat 7/5

7:55 am-4:33 pm

1 stop10h 38m

$318

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 9/18

5:55 pm-11:38 am

1 stop15h 43m

Toronto Pearson Intl

Sun 9/21

7:30 am-3:43 pm

1 stop10h 13m

$339

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Sun 5/25

10:29 pm-12:41 am

2 stops24h 12m

Hamilton

Fri 5/30

6:00 am-6:52 pm

1 stop14h 52m

$392

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Sat 6/7

8:00 am-3:11 pm

1 stop5h 11m

Toronto Pearson Intl

Sat 6/14

6:20 pm-9:51 pm

1 stop5h 31m

$399

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Fri 6/6

12:01 pm-11:28 pm

1 stop9h 27m

Toronto Pearson Intl

Sat 6/14

6:49 am-4:11 pm

1 stop11h 22m

$427

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Mon 6/2

12:15 pm-5:15 am

1 stop15h 00m

Toronto Region of Waterloo Intl

Fri 6/6

6:00 am-6:52 pm

1 stop14h 52m

$430

Flights are sorted by cheapest round-trip flights first.

Deals found on 4/29

Showing 1-10 of 35 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 $243). Flying from Colorado to Toronto in July is currently the most expensive (average of $359). 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 May 1, 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 May 1, 2025.

The most flights from USCO to YTO are scheduled on a Tuesday (11 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (9 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 2.0 - 3.3 inches per month. June is typically the wettest month, when rainfall can reach 3.3 in. February is typically the driest time to visit Toronto when rainfall is around 2.0 in.

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 69.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 21.2 F).

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 May 1, 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
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
9,968 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,934 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,696 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,826 reviews
Alaska Airlines
8.0
Very good
9,968 reviews

Food

7.1

Boarding

8.2

Crew

8.5

Entertainment

7.1

Comfort

7.9

Overall

8.0

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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?

    The cheapest airlines for a one-way flight from Colorado to Toronto are WestJet ($83), Sun Country Air ($176), and American Airlines ($245).

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

    While some choose either Denver Intl - Toronto Island or Denver Intl - Toronto Region of Waterloo Intl, Denver Intl - Toronto Pearson Intl is the most popular route from Colorado to Toronto.

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

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Colorado to Toronto on time: Austrian Airlines (76%), Air Canada (68%), United Airlines (68%).

  • What are the cheapest flights from Colorado to Toronto?

    Looking at all options, your cheapest flight can be booked for $120. While the most popular route (Denver Intl - Toronto Pearson Intl) can be booked for $280 on average our data indicates $967 when flying from Colorado to Toronto.

  • 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 $243). Flying from Colorado to Toronto in July is currently the most expensive (average of $359). 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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Newark to Pearson Intl flights
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Atlanta to Pierre Elliott Trudeau Intl flights
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Philadelphia to Pierre Elliott Trudeau Intl flights
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Midway to Pierre Elliott Trudeau Intl flights

Top 4 airlines flying from Colorado to Toronto

Discover the top 4 airlines 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 2,558,603 searches. Data last updated May 1, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$130Average$428FlexibilityNo cancel feeOn-time67%
DeltaCheapest$144Average$255FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$160Average$596FlexibilityNo cancel feeOn-time69%
WestJetCheapest$265Average$394FlexibilityNo cancel feeOn-time60%

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