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$153+ 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 11/26. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 September 11, 2025.

Round-trip from

$229
(Kiwi.com)

One-way from

$153
(Delta)

Popular in

November

Cheapest in

March

Average price

$457

Good round-trip deal

$504 or less

Good one-way deal

$230 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. 5% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($8 potential savings vs. average RT price).
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Average for round-trip flights in September 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2812:15 pmDEN - YYZ
1 stop8h 37mMultiple Airlines
Mon 9/292:00 pmYYZ - DEN
2 stops16h 00mMultiple Airlines
Deal found 9/9$229
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/88:00 amDEN - YYZ
2 stops12h 52mMultiple Airlines
Tue 10/147:15 amYYZ - DEN
1 stop18h 01mMultiple Airlines
Deal found 9/9$230
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:59 pmDEN - YYZ
1 stop22h 08mMultiple Airlines
Sun 10/58:00 pmYYZ - DEN
1 stop14h 09mMultiple Airlines
Deal found 9/9$231
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:15 pmDEN - YYZ
1 stop10h 07mMultiple Airlines
Sat 10/44:00 pmYYZ - DEN
1 stop9h 13mMultiple Airlines
Deal found 9/9$232
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 9/2912:15 pmDEN - YYZ
1 stop8h 37mMultiple Airlines
Wed 10/13:00 pmYYZ - DEN
2 stops15h 00mMultiple Airlines
Deal found 9/9$234
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:15 pmDEN - YYZ
1 stop10h 07mWestJet
Sat 10/410:25 pmYYZ - DEN
1 stop14h 59mWestJet
Deal found 9/9$236
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/28:59 pmDEN - YYZ
1 stop22h 08mMultiple Airlines
Tue 10/711:00 amYYZ - DEN
2 stops14h 10mMultiple Airlines
Deal found 9/9$237
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/2812:15 pmDEN - YYZ
1 stop8h 37mMultiple Airlines
Tue 9/309:30 amYYZ - DEN
1 stop20h 30mMultiple Airlines
Deal found 9/9$238
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/412:10 pmDEN - YYZ
1 stop8h 50mMultiple Airlines
Fri 11/79:45 amYYZ - DEN
1 stop16h 08mMultiple Airlines
Deal found 9/9$241
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/1312:15 pmDEN - YYZ
1 stop16h 37mMultiple Airlines
Wed 10/152:00 pmYYZ - DEN
2 stops15h 59mMultiple Airlines
Deal found 9/9$243
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/412:10 pmDEN - YYZ
1 stop8h 50mMultiple Airlines
Mon 11/109:35 amYYZ - DEN
1 stop16h 18mMultiple Airlines
Deal found 9/9$244
This Kiwi.com deal was found by Cheapflights users on 9/9. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/88:41 pmDEN - YTZ
1 stop15h 01mMultiple Airlines
Mon 11/109:15 amYTZ - DEN
1 stop7h 01mMultiple Airlines
Deal found 9/9$292

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 September 11, 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 9/29

12:15 pm-10:52 pm

1 stop8h 37m

Toronto Pearson Intl

Wed 10/1

3:00 pm-4:00 am

2 stops15h 00m

$234

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 10/30

12:16 am-2:05 pm

1 stop11h 49m

Toronto Pearson Intl

Sun 11/2

4:00 pm-5:44 pm

1 stop27h 44m

$274

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sun 10/26

1:56 pm-6:20 am

1 stop14h 24m

Toronto Pearson Intl

Sun 11/2

4:00 pm-5:44 pm

1 stop27h 44m

$283

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Fri 10/17

8:58 pm-12:17 pm

1 stop13h 19m

Toronto Island

Tue 10/21

1:35 pm-8:30 pm

1 stop8h 55m

$310

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 10/16

9:12 pm-8:02 pm

1 stop20h 50m

Toronto Island

Tue 10/21

1:35 pm-8:30 pm

1 stop8h 55m

$310

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Wed 10/1

5:50 pm-12:17 pm

1 stop16h 27m

Toronto Island

Mon 10/6

5:15 pm-1:04 am

1 stop9h 49m

$313

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Wed 10/1

5:50 pm-12:17 pm

1 stop16h 27m

Toronto Island

Tue 10/7

5:15 pm-1:08 am

1 stop9h 53m

$313

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 11/6

8:44 pm-1:42 pm

1 stop14h 58m

Toronto Island

Mon 11/10

9:15 am-2:16 pm

1 stop7h 01m

$316

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Wed 11/5

6:38 am-8:00 pm

1 stop11h 22m

Toronto Island

Thu 11/6

9:15 am-2:16 pm

1 stop7h 01m

$341

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Fri 10/24

11:15 am-9:34 pm

1 stop8h 19m

Toronto Island

Fri 10/31

12:30 pm-7:55 pm

1 stop9h 25m

$345

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/10

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, 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 August is currently the most expensive (average of $348). 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 September 11, 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 September 11, 2025.

The most flights from USCO to YTO are scheduled on a Monday (11 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (10 on average).

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?

    American Airlines, Delta, and Alaska Airlines can get you from Colorado to Toronto in just under 6h 31m. Your travel time can differ by up to 24h 04m. 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 Delta ($153), WestJet ($154), and American Airlines ($158).

  • 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: Austrian Airlines (74%), Brussels Airlines (71%), Air Canada (68%).

  • What are the cheapest flights from Colorado to Toronto?

    Looking at all options, your cheapest flight can be booked for $168. While the most popular route (Denver Intl - Toronto Pearson Intl) can be booked for $243 on average, our data indicates $873 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 August is currently the most expensive (average of $348). 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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Dallas/Fort Worth to Toronto Island flights
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Newark to Ottawa flights
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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$144Average$176FlexibilityNo cancel feeOn-timeN/A
United AirlinesCheapest$180Average$528FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$211Average$542FlexibilityNo cancel feeOn-time67%
WestJetCheapest$258Average$297FlexibilityNo cancel feeOn-time60%

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