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$132+ 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 6/29. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
Jun 17 — Jun 241
Tue 6/17
Tue 6/24
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 June 12, 2025.

Round-trip from

$248
(Kiwi.com)

One-way from

$132
(Mytrip)

Popular in

November

Cheapest in

March

Average price

$490

Good round-trip deal

$517 or less

Good one-way deal

$203 or less
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. 4% potential increase in price ($24 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 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 June 12, 2025.

This Kiwi.com deal was found by Cheapflights users on 6/11. 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 9/112:15 pmDEN - YYZ
2 stops10h 16mWestJet
Sun 9/710:00 amYYZ - DEN
1 stop10h 48mWestJet
Deal found 6/11$248
This Kiwi.com deal was found by Cheapflights users on 6/10. 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.
Tue 7/112:15 pmDEN - YYZ
2 stops10h 18mMultiple Airlines
Thu 7/39:45 amYYZ - DEN
1 stop15h 23mMultiple Airlines
Deal found 6/10$285
This Trip.com deal was found by Cheapflights users on 6/10. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/2212:15 pmDEN - YKF
1 stop10h 31mWestJet
Tue 7/297:45 pmYKF - DEN
1 stop17h 42mWestJet
Deal found 6/10$293
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 9/312:15 pmDEN - YKF
1 stop15h 00mMultiple Airlines
Sun 9/76:00 amYKF - DEN
1 stop14h 48mMultiple Airlines
Deal found 6/11$342
This SmartFares deal was found by Cheapflights users on 6/11. 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 SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/212:15 pmDEN - YHM
1 stop10h 25mWestJet
Sun 9/76:00 amYHM - DEN
1 stop14h 48mWestJet
Deal found 6/11$355
This Gotogate deal was found by Cheapflights users on 6/10. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/107:45 amDEN - YYZ
Nonstop3h 13mAir Canada
Sun 8/176:20 pmYYZ - DEN
Nonstop3h 40mAir Canada
Deal found 6/10$383
This Mytrip deal was found by Cheapflights users on 6/10. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/2312:15 pmDEN - YHM
1 stop10h 26mMultiple Airlines
Mon 7/288:55 pmYHM - DEN
1 stop16h 32mMultiple Airlines
Deal found 6/10$393
This United Airlines deal was found by Cheapflights users on 6/10. 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 6/283:35 pmCOS - YYZ
1 stop5h 13mUnited Airlines
Mon 6/304:18 pmYYZ - COS
1 stop7h 37mUnited Airlines
Deal found 6/10$397
This Sun Country Air deal was found by Cheapflights users on 6/10. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/38:38 amDEN - YYZ
1 stop6h 12mSun Country Air
Sun 8/106:00 pmYYZ - DEN
1 stop17h 01mSun Country Air
Deal found 6/10$402
This American Airlines deal was found by Cheapflights users on 6/9. 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.
Thu 6/125:01 pmCOS - YYZ
1 stop17h 34mAmerican Airlines
Sun 6/156:49 amYYZ - COS
1 stop15h 38mAmerican Airlines
Deal found 6/9$410
This Delta deal was found by Cheapflights users on 6/9. 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.
Tue 6/176:40 amDEN - YYZ
1 stop9h 19mDelta
Fri 6/203:31 pmYYZ - DEN
1 stop9h 27mDelta
Deal found 6/9$410
This Mytrip deal was found by Cheapflights users on 6/11. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/48:56 amDEN - YTZ
2 stops30h 57mMultiple Airlines
Sun 9/2112:00 pmYTZ - DEN
2 stops25h 24mMultiple Airlines
Deal found 6/11$412

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 June 12, 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 9/1

12:15 pm-12:31 am

2 stops10h 16m

Toronto Pearson Intl

Sun 9/7

10:00 am-6:48 pm

1 stop10h 48m

$248

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 7/1

12:15 pm-12:33 am

2 stops10h 18m

Toronto Pearson Intl

Thu 7/3

9:45 am-11:08 pm

1 stop15h 23m

$285

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Tue 7/22

12:15 pm-12:46 am

1 stop10h 31m

Toronto Region of Waterloo Intl

Tue 7/29

7:45 pm-11:27 am

1 stop17h 42m

$293

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Wed 9/3

12:15 pm-5:15 am

1 stop15h 00m

Toronto Region of Waterloo Intl

Sun 9/7

6:00 am-6:48 pm

1 stop14h 48m

$342

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Tue 9/2

12:15 pm-12:40 am

1 stop10h 25m

Hamilton

Sun 9/7

6:00 am-6:48 pm

1 stop14h 48m

$355

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sun 8/10

7:45 am-12:58 pm

Nonstop3h 13m

Toronto Pearson Intl

Sun 8/17

6:20 pm-8:00 pm

Nonstop3h 40m

$383

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Wed 7/23

12:15 pm-12:41 am

1 stop10h 26m

Hamilton

Mon 7/28

8:55 pm-11:27 am

1 stop16h 32m

$393

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Sat 6/28

3:35 pm-10:48 pm

1 stop5h 13m

Toronto Pearson Intl

Mon 6/30

4:18 pm-9:55 pm

1 stop7h 37m

$397

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sun 8/3

8:38 am-4:50 pm

1 stop6h 12m

Toronto Pearson Intl

Sun 8/10

6:00 pm-9:01 am

1 stop17h 01m

$402

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 9/4

8:56 am-5:53 pm

2 stops30h 57m

Toronto Island

Sun 9/21

12:00 pm-11:24 am

2 stops25h 24m

$412

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 36 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 $353). 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 June 12, 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 June 12, 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 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 June 12, 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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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
7,950 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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

Food

7.1

Boarding

8.1

Crew

8.5

Entertainment

7.1

Comfort

7.8

Overall

8.0

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?

    The cheapest airlines for a one-way flight from Colorado to Toronto are WestJet ($132), Air Canada ($167), and American Airlines ($175).

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

    While some choose either Denver Intl - Toronto Island or Denver Intl - Hamilton, 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: Brussels Airlines (81%), Austrian Airlines (78%), Air Canada (73%).

  • What are the cheapest flights from Colorado to Toronto?

    Looking at all options, your cheapest flight can be booked for $188. While the most popular route (Denver Intl - Toronto Pearson Intl) can be booked for $293 on average our data indicates $1,432 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 $353). 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.
Newark to Pearson Intl flights
Newark to Toronto Island flights
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Denver to Pearson Intl flights
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Midway to Toronto Island flights
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Midway to Pearson Intl flights
Charlotte to Pearson Intl flights
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San Diego to Pearson 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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$131Average$428FlexibilityNo cancel feeOn-time67%
DeltaCheapest$144Average$172FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$261Average$323FlexibilityNo cancel feeOn-time60%
United AirlinesCheapest$277Average$538FlexibilityNo cancel feeOn-time69%

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