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$110+ 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 7/10. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
Apr 2 — Apr 91
Wed 4/2
Wed 4/9
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 March 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$244
(Kiwi.com)

One-way from

$110
(Kiwi.com)

Popular in

August

Cheapest in

March

Average price

$292

Good round-trip deal

$598 or less

Good one-way deal

$276 or less
Provider with most accurate pricing for Denver Intl-Toronto (YTO) flight deals.
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Provider most trusted by Cheapflights users for Denver Intl-Toronto (YTO) flights.
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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. 8% potential increase in price ($45 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average RT price).
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Average for round-trip flights in March 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 March 28, 2025.

This Kiwi.com deal was found by Cheapflights users on 3/27. 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 7/117:40 pmDEN - YYZ
1 stop8h 32mWestJet
Thu 7/1710:00 amYYZ - DEN
1 stop10h 52mWestJet
Deal found 3/27$244
This Trip.com deal was found by Cheapflights users on 3/27. 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.
Sat 8/2312:15 pmDEN - YKF
1 stop10h 31mWestJet
Tue 8/267:45 pmYKF - DEN
1 stop17h 42mWestJet
Deal found 3/27$273
This Kiwi.com deal was found by Cheapflights users on 3/27. 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 5/1412:15 pmDEN - YYZ
1 stop8h 39mMultiple Airlines
Sat 5/171:30 pmYYZ - DEN
2 stops22h 22mMultiple Airlines
Deal found 3/27$281
This oojo deal was found by Cheapflights users on 3/26. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 5/227:40 pmDEN - YHM
1 stop27h 01mWestJet
Sun 5/256:00 amYHM - DEN
1 stop14h 52mWestJet
Deal found 3/26$320
This Mytrip deal was found by Cheapflights users on 3/26. 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 5/227:40 pmDEN - YKF
2 stops31h 50mMultiple Airlines
Sun 5/256:00 amYKF - DEN
1 stop14h 52mMultiple Airlines
Deal found 3/26$321
This Mytrip deal was found by Cheapflights users on 3/27. 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.
Sun 6/87:40 pmDEN - YHM
1 stop27h 01mMultiple Airlines
Thu 6/127:15 pmYHM - DEN
1 stop25h 37mMultiple Airlines
Deal found 3/27$334
This Mytrip deal was found by Cheapflights users on 3/26. 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 5/227:40 pmDEN - YTZ
2 stops18h 47mMultiple Airlines
Sun 5/253:35 pmYTZ - DEN
2 stops21h 52mMultiple Airlines
Deal found 3/26$350
This Gotogate deal was found by Cheapflights users on 3/27. 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.
Thu 4/1711:15 amDEN - YYZ
Nonstop3h 11mAir Canada
Sun 4/208:35 amYYZ - DEN
Nonstop3h 45mAir Canada
Deal found 3/27$465
This Delta deal was found by Cheapflights users on 3/27. 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.
Fri 5/212:55 amDEN - YYZ
1 stop8h 30mDelta
Wed 5/712:10 pmYYZ - DEN
1 stop10h 29mDelta
Deal found 3/27$514
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 4/235:26 pmDEN - YYZ
1 stop15h 24mAmerican Airlines
Mon 4/283:14 pmYYZ - DEN
1 stop9h 25mAmerican Airlines
Deal found 3/27$516
This Air Canada deal was found by Cheapflights users on 3/28. 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 Air Canada is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 5/29:40 amDEN - YTZ
1 stop8h 10mAir Canada
Thu 5/812:25 pmYTZ - DEN
1 stop7h 55mAir Canada
Deal found 3/28$546
This American Airlines deal was found by Cheapflights users on 3/27. 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.
Wed 4/27:15 amCOS - YYZ
1 stop7h 00mAmerican Airlines
Mon 4/75:20 pmYYZ - COS
1 stop8h 26mAmerican Airlines
Deal found 3/27$629

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 28, 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

Fri 7/11

7:40 pm-6:12 am

1 stop8h 32m

Toronto Pearson Intl

Thu 7/17

10:00 am-6:52 pm

1 stop10h 52m

$244

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Sat 8/23

12:15 pm-12:46 am

1 stop10h 31m

Toronto Region of Waterloo Intl

Tue 8/26

7:45 pm-11:27 am

1 stop17h 42m

$273

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 5/14

12:15 pm-10:54 pm

1 stop8h 39m

Toronto Pearson Intl

Sat 5/17

1:30 pm-9:52 am

2 stops22h 22m

$281

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Thu 5/22

7:40 pm-12:41 am

1 stop27h 01m

Hamilton

Sun 5/25

6:00 am-6:52 pm

1 stop14h 52m

$320

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Thu 5/22

7:40 pm-5:30 am

2 stops31h 50m

Toronto Region of Waterloo Intl

Sun 5/25

6:00 am-6:52 pm

1 stop14h 52m

$321

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Sun 6/8

7:40 pm-12:41 am

1 stop27h 01m

Hamilton

Thu 6/12

7:15 pm-6:52 pm

1 stop25h 37m

$334

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 5/22

7:40 pm-4:27 pm

2 stops18h 47m

Toronto Island

Sun 5/25

3:35 pm-11:27 am

2 stops21h 52m

$350

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Thu 4/17

11:15 am-4:26 pm

Nonstop3h 11m

Toronto Pearson Intl

Sun 4/20

8:35 am-10:20 am

Nonstop3h 45m

$465

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 5/2

12:55 am-11:25 am

1 stop8h 30m

Toronto Pearson Intl

Wed 5/7

12:10 pm-8:39 pm

1 stop10h 29m

$514

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 4/23

5:26 pm-10:50 am

1 stop15h 24m

Toronto Pearson Intl

Mon 4/28

3:14 pm-10:39 pm

1 stop9h 25m

$516

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 25 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 $359). 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 28, 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.

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 March 28, 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
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Alaska Airlines
8.0
Very good
9,798 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
Delta
8.0
Very good
7,897 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
United Airlines
7.4
Good
8,603 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them
WestJet
7.2
Good
2,785 reviews
Alaska Airlines
8.0
Very good
9,798 reviews

Entertainment

7.1

Overall

8.0

Comfort

7.9

Food

7.1

Boarding

8.2

Crew

8.5

Reviews

1 / 20
10.0
Excellent

Cheri,Jan 2025

FAT - SEA

Very friendly. I really liked that they had water for us in cartons not plastic. Impressed with Alaska Airlines, First time I had flown them

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 ($110), Delta ($155), and Air Canada ($247).

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

    While some choose either Denver Intl - Toronto Island or Denver Intl - Toronto Region of Waterloo 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 (81%), Air Canada (65%), United Airlines (65%).

  • What are the cheapest flights from Colorado to Toronto?

    Looking at all options, your cheapest flight can be booked for $184. While the most popular route (Denver Intl - Toronto Pearson Intl) can be booked for $259 on average our data indicates $2,023 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 $359). 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
LaGuardia to Pearson Intl flights
Newark to Toronto Island flights
John F Kennedy Intl to Pierre Elliott Trudeau Intl flights
John F Kennedy Intl to Pearson Intl flights
Newark to Pierre Elliott Trudeau Intl flights
Los Angeles to Pearson Intl flights
LaGuardia to Pierre Elliott Trudeau Intl flights
Dallas/Fort Worth to Pearson Intl flights
Boston to Pearson Intl flights
O'Hare Intl to Pearson Intl flights
Dulles Intl to Pearson Intl flights
San Francisco to Pearson Intl flights
Reagan-National to Pearson Intl flights
O'Hare Intl to Pierre Elliott Trudeau Intl flights
Boston to Toronto Island flights
Dulles Intl to Pierre Elliott Trudeau Intl flights
Los Angeles to Pierre Elliott Trudeau Intl flights
Seattle to Pearson Intl flights
Atlanta to Pearson Intl flights
Dulles Intl to Toronto Island flights
Hobby to Pearson Intl flights
Denver to Pierre Elliott Trudeau Intl flights
San Francisco to Pierre Elliott Trudeau Intl flights
Boston to Pierre Elliott Trudeau Intl flights
Seattle to Pierre Elliott Trudeau Intl flights
Reagan-National to Pierre Elliott Trudeau Intl flights
Baltimore to Pearson Intl flights
Dallas/Fort Worth to Pierre Elliott Trudeau Intl flights
George Bush Intcntl to Pearson Intl flights
Minneapolis to Pierre Elliott Trudeau Intl flights
Philadelphia to Pearson Intl flights
Raleigh to Pearson Intl flights
Atlanta to Pierre Elliott Trudeau Intl flights
Denver to Pearson Intl flights
San Diego to Pearson Intl flights
John F Kennedy Intl to Toronto Island flights
Midway to Toronto Island flights
Philadelphia to Pierre Elliott Trudeau Intl flights
Midway to Pearson Intl flights
Austin to Pearson Intl flights
Ontario to Pearson Intl flights
Baltimore to Pierre Elliott Trudeau Intl flights
Los Angeles to Toronto Island flights
Fort Lauderdale to Pierre Elliott Trudeau Intl flights
Fort Lauderdale to Pearson Intl flights
Minneapolis to Pearson Intl flights
Detroit to Pierre Elliott Trudeau Intl flights
Charlotte to Pearson Intl flights
O'Hare Intl to Toronto Island flights

Top 2 airlines flying from Colorado to Toronto

Discover the top 2 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 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapest$130Average$409FlexibilityNo cancel feeOn-time67%
United AirlinesCheapest$160Average$599FlexibilityNo cancel feeOn-time69%
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