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$161+ 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 9/2. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
Jul 12 — Jul 191
Sun 7/12
Sun 7/19
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 June 12, 2026.

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.
Wed 9/165:56 pm
DEN
-
YTZ
1 stop18h 29m
Multiple Airlines
Sat 9/191:40 pm
YTZ
-
DEN
1 stop12h 49m
Multiple Airlines
Deal found 6/10$332
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Tue 10/66:25 am
DEN
-
YTZ
1 stop9h 35m
Multiple Airlines
Sat 10/101:40 pm
YTZ
-
DEN
1 stop25h 20m
Multiple Airlines
Deal found 6/12$345
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 9/226:25 am
DEN
-
YTZ
1 stop6h 00m
Multiple Airlines
Tue 9/291:40 pm
YTZ
-
DEN
1 stop12h 49m
Multiple Airlines
Deal found 6/8$356
This Kiwi.com deal was found by Cheapflights users on 6/12. 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.
Wed 7/228:52 pm
DEN
-
YYZ
1 stop21h 58m
Multiple Airlines
Tue 7/2812:55 pm
YYZ
-
DEN
1 stop10h 46m
Multiple Airlines
Deal found 6/12$356
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.
Thu 10/16:25 am
DEN
-
YTZ
1 stop6h 00m
Multiple Airlines
Sun 10/41:40 pm
YTZ
-
DEN
1 stop12h 49m
Multiple Airlines
Deal found 6/11$358
This Kiwi.com deal was found by Cheapflights users on 6/8. 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 9/226:25 am
DEN
-
YTZ
1 stop6h 00m
Multiple Airlines
Thu 9/241:40 pm
YTZ
-
DEN
1 stop12h 49m
Multiple Airlines
Deal found 6/8$367
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 7/298:52 pm
DEN
-
YYZ
1 stop21h 58m
Multiple Airlines
Mon 8/310:50 am
YYZ
-
DEN
2 stops18h 58m
Multiple Airlines
Deal found 6/9$368
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.
Fri 7/3110:15 am
DEN
-
YYZ
1 stop8h 35m
Multiple Airlines
Tue 8/410:50 am
YYZ
-
DEN
2 stops19h 00m
Multiple Airlines
Deal found 6/11$374
This Kiwi.com 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/176:25 am
DEN
-
YTZ
1 stop6h 00m
Multiple Airlines
Sun 9/201:40 pm
YTZ
-
DEN
1 stop12h 49m
Multiple Airlines
Deal found 6/9$383
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.
Wed 8/193:50 pm
DEN
-
YYZ
1 stop27h 00m
Multiple Airlines
Sun 8/3012:55 pm
YYZ
-
DEN
1 stop10h 54m
Multiple Airlines
Deal found 6/10$384
This Kiwi.com deal was found by Cheapflights users on 6/7. 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 8/206:00 am
DEN
-
YYZ
1 stop12h 50m
Multiple Airlines
Mon 8/2412:55 pm
YYZ
-
DEN
1 stop10h 54m
Multiple Airlines
Deal found 6/7$386
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.
Sat 8/297:23 am
DEN
-
YTZ
1 stop6h 37m
Multiple Airlines
Tue 9/88:40 pm
YTZ
-
DEN
1 stop18h 20m
Multiple Airlines
Deal found 6/10$389

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 June 12, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$332
(Kiwi.com)

One-way from

$161
(Kiwi.com)

Popular in

February

Cheapest in

August

Average price

$576

Good round-trip deal

$709 or less

Good one-way deal

$295 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 ($37 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($7 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 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 June 12, 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 - YKF

DENYKF

Denver Intl

Tue 7/14

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Mon 7/20

8:40 pm-11:20 am

1 stop16h 40m

$485

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sat 8/8

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Sun 8/16

8:40 pm-11:20 am

1 stop16h 40m

$490

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Wed 7/22

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Tue 7/28

8:40 pm-11:20 am

1 stop16h 40m

$491

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sun 8/2

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Wed 8/5

8:40 pm-11:20 am

1 stop16h 40m

$492

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sat 7/18

12:15 pm-7:50 pm

1 stop29h 35m

Toronto Region of Waterloo Intl

Tue 7/28

8:40 pm-11:20 am

1 stop16h 40m

$492

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Sat 7/18

12:15 pm-5:15 pm

1 stop27h 00m

Hamilton

Tue 7/28

6:10 pm-11:20 am

1 stop19h 10m

$510

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Tue 8/11

12:15 pm-5:15 pm

1 stop27h 00m

Hamilton

Wed 8/19

6:10 pm-11:20 am

1 stop19h 10m

$519

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Sat 6/27

1:30 pm-9:32 pm

1 stop6h 02m

Toronto Pearson Intl

Mon 6/29

7:00 am-11:09 am

1 stop6h 09m

$522

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Mon 6/29

12:11 pm-8:44 pm

1 stop6h 33m

Toronto Pearson Intl

Wed 7/8

10:45 am-2:27 pm

1 stop5h 42m

$523

Colorado SpringsToronto

COS - YYZ

COSYYZ

Colorado Springs

Wed 8/5

12:36 pm-11:29 pm

1 stop8h 53m

Toronto Pearson Intl

Sat 8/15

6:28 pm-10:53 pm

1 stop6h 25m

$533

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/9

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, July is the cheapest month in which you can book a flight from Colorado to Toronto (average of $119). Flying from Colorado to Toronto in May is currently the most expensive (average of $244). 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, 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 June 12, 2026.

The most flights from USCO to YTO are scheduled on a Monday (10 on average). You will have fewer flight options on Tuesday, which is when the least amount of flights are scheduled (9 on average).

How much does it cost to fly round-trip from Colorado to Toronto?

How far ahead should I book a flight from Colorado to Toronto?

The price you pay for your flight from Colorado to Toronto may vary depending on when you book. For the best chance of a lower fare, look to book 67 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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?

    WestJet, Delta, and United Airlines can get you from Colorado to Toronto in just under 6h 33m. Your travel time can differ by up to 23h 02m. 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 ($175), 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: United Airlines (85%), Air Canada (80%), Austrian Airlines (77%).

  • What are the cheapest flights from Colorado to Toronto?

    Looking at all options, your cheapest flight can be booked for $258. While the most popular route (Denver Intl - Toronto Pearson Intl) can be booked for $374 on average, our data indicates $1,026 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, July is the cheapest month in which you can book a flight from Colorado to Toronto (average of $119). Flying from Colorado to Toronto in May is currently the most expensive (average of $244). 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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Atlanta to Pearson Intl flights
O'Hare Intl to Toronto Island flights
George Bush Intcntl to Pearson Intl flights
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Boston to Toronto Island flights
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Midway to Toronto Island flights
Boston to Pierre Elliott Trudeau Intl flights
Midway to Pearson Intl flights
Philadelphia to Pearson Intl flights
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Charlotte to Pearson Intl flights
San Diego to Pearson Intl flights
Tampa to Pearson Intl flights
Miami to Pierre Elliott Trudeau Intl flights
Ontario to Pearson Intl flights
Raleigh to Pearson Intl flights
Detroit 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 June 12, 2026.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$180Average$573FlexibilityNo cancel feeOn-time69%
Air CanadaCheapest$195Average$543FlexibilityNo cancel feeOn-time67%
DeltaCheapest$218Average$488FlexibilityNo cancel feeOn-timeN/A
WestJetCheapest$223Average$386FlexibilityNo cancel feeOn-time60%

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