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$129+ 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 4/14. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
Apr 16 — Apr 231
Thu 4/16
Thu 4/23
1 adult, Economy
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Cheap 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 March 17, 2026.

This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/1510:29 pm
DEN
-
YYZ
1 stop29h 51m
Multiple Airlines
Mon 4/208:00 pm
YYZ
-
DEN
1 stop9h 59m
Multiple Airlines
Deal found 3/13$341
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/137:05 pm
DEN
-
YYZ
1 stop9h 15m
Multiple Airlines
Mon 4/208:00 pm
YYZ
-
DEN
1 stop9h 59m
Multiple Airlines
Deal found 3/14$343
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 4/137:05 pm
DEN
-
YYZ
1 stop9h 15m
Multiple Airlines
Wed 4/2211:00 am
YYZ
-
DEN
2 stops15h 19m
Multiple Airlines
Deal found 3/13$344
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/287:15 am
DEN
-
YYZ
1 stop30h 30m
Multiple Airlines
Tue 5/59:45 am
YYZ
-
DEN
1 stop16h 24m
Multiple Airlines
Deal found 3/14$345
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/187:05 pm
DEN
-
YYZ
1 stop9h 15m
Multiple Airlines
Mon 4/2710:30 pm
YYZ
-
DEN
2 stops31h 29m
Multiple Airlines
Deal found 3/14$350
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/187:05 pm
DEN
-
YYZ
1 stop9h 15m
Multiple Airlines
Sat 4/252:20 pm
YYZ
-
DEN
1 stop10h 39m
Multiple Airlines
Deal found 3/14$358
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/207:05 pm
DEN
-
YYZ
1 stop9h 38m
Multiple Airlines
Mon 4/2710:30 pm
YYZ
-
DEN
2 stops31h 29m
Multiple Airlines
Deal found 3/14$361
This Kiwi.com deal was found by Cheapflights users on 3/16. 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 5/296:10 am
DEN
-
YYZ
1 stop15h 44m
Multiple Airlines
Mon 6/11:45 pm
YYZ
-
DEN
1 stop15h 40m
Multiple Airlines
Deal found 3/16$364
This Kiwi.com deal was found by Cheapflights users on 3/14. 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 4/2010:29 pm
DEN
-
YYZ
2 stops29h 44m
Multiple Airlines
Sat 4/252:20 pm
YYZ
-
DEN
1 stop10h 39m
Multiple Airlines
Deal found 3/14$365
This Kiwi.com deal was found by Cheapflights users on 3/15. 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 6/162:47 pm
DEN
-
YTZ
1 stop23h 13m
Multiple Airlines
Tue 6/231:45 pm
YTZ
-
DEN
1 stop21h 17m
Multiple Airlines
Deal found 3/15$371
This Kiwi.com deal was found by Cheapflights users on 3/12. 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 4/119:00 pm
DEN
-
YTZ
1 stop19h 47m
Multiple Airlines
Wed 4/159:25 am
YTZ
-
DEN
1 stop26h 47m
Multiple Airlines
Deal found 3/12$404
This Kiwi.com deal was found by Cheapflights users on 3/13. 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 6/44:59 pm
DEN
-
YTZ
1 stop18h 06m
Multiple Airlines
Mon 6/810:50 am
YTZ
-
DEN
1 stop13h 47m
Multiple Airlines
Deal found 3/13$405

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 March 17, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$341
(Kiwi.com)

One-way from

$129
(Kiwi.com)

Popular in

February

Cheapest in

September

Average price

$614

Good round-trip deal

$686 or less

Good one-way deal

$296 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. 11% potential increase in price ($72 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 March 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 2,558,603 searches. Data last updated March 17, 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

Sat 4/11

9:00 pm-6:47 pm

1 stop19h 47m

Toronto Island

Wed 4/15

9:25 am-10:12 am

1 stop26h 47m

$404

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 4/22

8:00 am-3:45 pm

1 stop29h 45m

Toronto Pearson Intl

Fri 4/24

4:55 pm-11:59 pm

1 stop9h 04m

$425

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sat 5/2

8:00 am-3:45 pm

1 stop29h 45m

Toronto Pearson Intl

Tue 5/5

4:55 pm-5:11 pm

1 stop26h 16m

$434

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Sat 4/18

1:33 pm-9:32 pm

1 stop5h 59m

Toronto Pearson Intl

Fri 4/24

10:45 am-4:32 pm

1 stop7h 47m

$440

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Wed 4/29

1:33 pm-9:32 pm

1 stop5h 59m

Toronto Pearson Intl

Sat 5/2

11:00 am-8:01 pm

2 stops11h 01m

$462

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 5/1

6:00 am-3:45 pm

1 stop31h 45m

Toronto Pearson Intl

Sun 5/3

4:55 pm-6:29 pm

2 stops27h 34m

$489

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Wed 4/22

11:42 am-7:37 pm

1 stop5h 55m

Toronto Pearson Intl

Sat 4/25

5:50 pm-9:54 pm

1 stop6h 04m

$508

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Mon 7/27

2:47 pm-4:00 pm

1 stop23h 13m

Toronto Island

Mon 8/3

1:45 pm-9:02 am

1 stop21h 17m

$535

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Thu 8/13

5:30 am-11:22 pm

1 stop15h 52m

Toronto Pearson Intl

Mon 8/17

1:55 pm-9:24 pm

2 stops9h 29m

$537

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Sat 7/25

11:31 am-9:32 pm

1 stop8h 01m

Toronto Pearson Intl

Sat 8/1

11:00 am-6:54 pm

2 stops9h 54m

$565

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/12

Showing 1-10 of 60 resultsSorted by cheapest first
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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, March is the cheapest month in which you can book a flight from Colorado to Toronto (average of $163). Flying from Colorado to Toronto in April is currently the most expensive (average of $335). 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 March 17, 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 March 17, 2026.

The most flights from USCO to YTO are scheduled on a Monday (8 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (5 on average).

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, United Airlines, and Air Canada can get you from Colorado to Toronto in just under 5h 59m. Your travel time can differ by up to 23h 46m. Colorado and Toronto are separated by a distance of 1339 mi. This flight may include one or multiple stops.

  • 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 Air Canada ($167), United Airlines ($193), and Delta ($218).

  • 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: Air Canada (66%), United Airlines (66%), Austrian Airlines (42%).

  • What are the cheapest flights from Colorado to Toronto?

    Looking at all options, your cheapest flight can be booked for $236. While the most popular route (Denver Intl - Toronto Pearson Intl) can be booked for $362 on average, our data indicates $980 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, March is the cheapest month in which you can book a flight from Colorado to Toronto (average of $163). Flying from Colorado to Toronto in April is currently the most expensive (average of $335). 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.
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Pearson Intl flights
Newark to Pearson Intl flights
Newark to Toronto Island flights
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O'Hare Intl to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pearson Intl flights
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Boston to Pearson Intl flights
Seattle to Pearson Intl flights
Boston to Toronto Island flights
Atlanta to Pearson Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Dulles Intl to Toronto Island flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Detroit to Pierre Elliott Trudeau Intl flights
Seattle to Pierre Elliott Trudeau Intl flights
Orlando to Pearson Intl flights
Baltimore to Pearson Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pearson Intl flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Denver to Pearson Intl flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Minneapolis to Pearson Intl flights
O'Hare Intl to Toronto Island flights
White Plains to Pearson Intl flights
Charlotte to Pearson Intl flights
San Diego to Pearson Intl flights
Philadelphia to Pearson Intl flights
Sky Harbor Intl to Pearson Intl flights
Midway to Toronto Island flights
Miami 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 March 17, 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$327FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$177Average$531FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$197Average$548FlexibilityNo cancel feeOn-time67%
WestJetCheapest$258Average$358FlexibilityNo cancel feeOn-time60%

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