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$89+ 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 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
Nov 30 — Dec 71
Sun 11/30
Sun 12/7
1 adult, Economy
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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 October 31, 2025.

This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 12/1211:59 pmDEN - YYZ
1 stop9h 44mMultiple Airlines
Sun 12/148:00 pmYYZ - DEN
1 stop9h 58mMultiple Airlines
Deal found 10/29$314
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 12/611:59 pmDEN - YYZ
1 stop12h 21mMultiple Airlines
Tue 12/97:15 amYYZ - DEN
1 stop14h 58mMultiple Airlines
Deal found 10/29$316
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Tue 12/166:30 amDEN - YYZ
1 stop11h 25mMultiple Airlines
Mon 1/58:00 pmYYZ - DEN
1 stop9h 58mMultiple Airlines
Deal found 10/30$318
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Tue 12/166:30 amDEN - YYZ
1 stop11h 25mMultiple Airlines
Tue 1/69:35 amYYZ - DEN
1 stop12h 06mMultiple Airlines
Deal found 10/30$323
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Sat 12/69:42 amDEN - YTZ
1 stop9h 33mMultiple Airlines
Sun 12/79:15 amYTZ - DEN
1 stop6h 47mMultiple Airlines
Deal found 10/29$324
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Mon 11/1711:04 amDEN - YYZ
1 stop8h 03mMultiple Airlines
Tue 11/189:35 amYYZ - DEN
1 stop15h 20mMultiple Airlines
Deal found 10/29$325
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Thu 12/411:59 pmDEN - YYZ
1 stop18h 01mMultiple Airlines
Sun 12/77:15 amYYZ - DEN
2 stops17h 49mMultiple Airlines
Deal found 10/29$328
This Kiwi.com deal was found by Cheapflights users on 10/30. 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.
Thu 12/411:59 pmDEN - YYZ
1 stop18h 01mMultiple Airlines
Sat 12/68:20 pmYYZ - DEN
1 stop14h 04mMultiple Airlines
Deal found 10/30$329
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 11/289:58 amDEN - YYZ
1 stop7h 57mMultiple Airlines
Tue 12/21:30 pmYYZ - DEN
2 stops34h 59mMultiple Airlines
Deal found 10/29$331
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Wed 12/2410:37 pmDEN - YYZ
1 stop30h 10mMultiple Airlines
Sat 1/37:55 pmYYZ - DEN
1 stop10h 03mMultiple Airlines
Deal found 10/29$332
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Tue 12/29:33 amDEN - YYZ
1 stop8h 22mMultiple Airlines
Wed 12/39:35 amYYZ - DEN
1 stop14h 54mMultiple Airlines
Deal found 10/29$333
This Kiwi.com deal was found by Cheapflights users on 10/29. 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.
Fri 12/57:40 amDEN - YTZ
1 stop10h 20mMultiple Airlines
Mon 12/88:55 amYTZ - DEN
1 stop9h 20mMultiple Airlines
Deal found 10/29$342

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 October 31, 2025.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$312
(Kiwi.com)

One-way from

$89
(Kiwi.com)

Popular in

November

Cheapest in

March

Average price

$533

Good round-trip deal

$559 or less

Good one-way deal

$338 or less
Provider with most accurate pricing for Denver Intl-Toronto (YTO) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Denver Intl-Toronto (YTO) flights.
Search Deals
From Colorado to Toronto (YTO)
Search Deals
One-way flight from Colorado to Toronto (YTO)
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($31 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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).
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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 October 31, 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 - YTZ

DENYTZ

Denver Intl

Fri 11/14

12:16 am-3:27 pm

2 stops13h 11m

Toronto Island

Mon 11/17

9:15 am-11:44 pm

2 stops16h 29m

$358

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Fri 12/5

6:00 am-6:57 pm

2 stops10h 57m

Toronto Island

Mon 12/8

9:15 am-2:02 pm

1 stop6h 47m

$366

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Fri 12/5

7:45 am-6:57 pm

1 stop9h 12m

Toronto Island

Sun 12/7

9:15 am-2:02 pm

1 stop6h 47m

$368

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Mon 11/17

6:46 pm-3:35 pm

2 stops18h 49m

Toronto Pearson Intl

Wed 11/19

4:45 pm-7:06 pm

2 stops28h 21m

$383

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Sat 12/6

11:00 pm-1:10 pm

2 stops12h 10m

Toronto Island

Mon 12/8

9:15 am-2:02 pm

1 stop6h 47m

$385

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 11/27

6:22 am-7:50 pm

1 stop11h 28m

Toronto Island

Thu 12/4

8:55 am-4:15 pm

1 stop9h 20m

$389

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Tue 11/18

11:31 am-3:35 pm

2 stops26h 04m

Toronto Pearson Intl

Fri 11/21

4:45 pm-11:59 pm

1 stop9h 14m

$408

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 11/19

8:02 pm-3:35 pm

1 stop17h 33m

Toronto Pearson Intl

Fri 11/21

4:45 pm-11:59 pm

1 stop9h 14m

$410

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Sat 12/6

9:42 am-9:15 pm

1 stop9h 33m

Toronto Island

Sun 12/7

3:45 pm-8:23 am

2 stops18h 38m

$419

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 1/7

5:09 pm-3:35 pm

1 stop20h 26m

Toronto Pearson Intl

Sat 1/10

4:45 pm-10:53 am

2 stops20h 08m

$424

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/30

Showing 1-10 of 60 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, June is the cheapest month in which you can book a flight from Colorado to Toronto (average of $129). Flying from Colorado to Toronto in January is currently the most expensive (average of $246). 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 October 31, 2025.

One of the essential ways to save on airfare from Colorado to Toronto is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 33% on airfare.

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?

    Alaska Airlines, American Airlines, and Delta can get you from Colorado to Toronto in just under 8h 17m. Your travel time can differ by up to 12h 01m. Colorado and Toronto are separated by a distance of 1312 mi. This flight may include one or multiple stops.

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

    While some choose either Denver Intl - Toronto Island or Colorado Springs - Toronto Pearson 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: Brussels Airlines (79%), Air Canada (77%), United Airlines (76%).

  • What are the cheapest flights from Colorado to Toronto?

    Looking at all options, your cheapest flight can be booked for $252. While the most popular route (Denver Intl - Toronto Pearson Intl) can be booked for $262 on average, our data indicates $629 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, June is the cheapest month in which you can book a flight from Colorado to Toronto (average of $129). Flying from Colorado to Toronto in January is currently the most expensive (average of $246). 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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Philadelphia 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 October 31, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$176FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$180Average$531FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$221Average$545FlexibilityNo cancel feeOn-time67%
WestJetCheapest$258Average$297FlexibilityNo cancel feeOn-time60%

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