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Cheap flights from Colorado to Toronto from C$ 140

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 16/4. Fares are subject to change and may not be available on all flights or dates of travel.
DEN — YTO
1 Apr — 8 Apr1
1 adult

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 27 March 2025.

Round-trip from

C$ 358

One-way from

C$ 140

Popular in

August

Cheapest in

March

Average price

C$ 417

Good round-trip deal

C$ 836 or less

Good one-way deal

C$ 354 or less
WestJet
  • WestJet
  • 8/7-17/7
  • 2 total stops
  • 19h 31m total
  • Colorado to Toronto
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16/4
  • 16/4
  • 1 total stop
  • 21h 43m total
  • Colorado to Toronto
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Highest demand for flights based on searches. 8% potential increase in price (C$ 91 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease (C$ 22 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 27 March 2025.

Tue 8/712:15 p.m.DEN - YYZ
1 stop8h 39mWestJet
Fri 18/710:00 a.m.YYZ - DEN
1 stop10h 52mWestJet
Deal found 26/3C$ 358
Wed 16/45:11 p.m.DEN - YYZ
1 stop11h 32mMultiple Airlines
Tue 22/47:25 p.m.YYZ - DEN
1 stop10h 31mMultiple Airlines
Deal found 26/3C$ 370
Mon 14/712:15 p.m.DEN - YKF
1 stop10h 31mWestJet
Thu 17/77:45 p.m.YKF - DEN
1 stop17h 42mWestJet
Deal found 26/3C$ 392
Tue 20/512:15 p.m.DEN - YHM
1 stop10h 26mWestJet
Sun 25/56:00 a.m.YHM - DEN
1 stop14h 52mWestJet
Deal found 27/3C$ 457
Thu 22/57:40 p.m.DEN - YKF
2 stops31h 50mMultiple Airlines
Sun 25/56:00 a.m.YKF - DEN
1 stop14h 52mMultiple Airlines
Deal found 26/3C$ 458
Thu 22/57:40 p.m.DEN - YTZ
2 stops18h 47mMultiple Airlines
Sun 25/53:35 p.m.YTZ - DEN
2 stops21h 52mMultiple Airlines
Deal found 26/3C$ 499
Thu 1/512:15 p.m.DEN - YHM
1 stop10h 26mMultiple Airlines
Sun 4/56:00 a.m.YHM - DEN
2 stops23h 59mMultiple Airlines
Deal found 25/3C$ 502
Tue 30/96:30 a.m.DEN - YYZ
1 stop14h 37mDelta
Tue 7/106:15 a.m.YYZ - DEN
1 stop12h 18mDelta
Deal found 25/3C$ 714
Wed 16/45:26 p.m.DEN - YYZ
1 stop15h 24mAmerican Airlines
Mon 28/411:35 a.m.YYZ - DEN
1 stop13h 04mAmerican Airlines
Deal found 26/3C$ 736
Sat 3/55:36 p.m.DEN - YYZ
Nonstop3h 12mAir Canada
Wed 7/510:30 a.m.YYZ - DEN
1 stop9h 46mAir Canada
Deal found 26/3C$ 773
Sun 4/59:40 a.m.DEN - YTZ
1 stop8h 10mAir Canada
Wed 7/512:25 p.m.YTZ - DEN
1 stop7h 55mAir Canada
Deal found 26/3C$ 779
Wed 30/48:20 a.m.DEN - YYZ
2 stops28h 40mAlaska Airlines
Mon 5/54:45 p.m.YYZ - DEN
2 stops30h 30mAlaska Airlines
Deal found 25/3C$ 791

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 629,999 searches. Data last updated 27 March 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

Tue 8/7

12:15 p.m.-10:54 p.m.

1 stop8h 39m

Toronto Pearson Intl

Fri 18/7

10:00 a.m.-6:52 p.m.

1 stop10h 52m

C$ 358

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 16/4

5:11 p.m.-6:43 a.m.

1 stop11h 32m

Toronto Pearson Intl

Tue 22/4

7:25 p.m.-3:56 a.m.

1 stop10h 31m

C$ 370

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Mon 14/7

12:15 p.m.-12:46 a.m.

1 stop10h 31m

Toronto Region of Waterloo Intl

Thu 17/7

7:45 p.m.-11:27 a.m.

1 stop17h 42m

C$ 392

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Tue 20/5

12:15 p.m.-12:41 a.m.

1 stop10h 26m

Hamilton

Sun 25/5

6:00 a.m.-6:52 p.m.

1 stop14h 52m

C$ 457

DenverToronto

DEN - YKF

DENYKF

Denver Intl

Thu 22/5

7:40 p.m.-5:30 a.m.

2 stops31h 50m

Toronto Region of Waterloo Intl

Sun 25/5

6:00 a.m.-6:52 p.m.

1 stop14h 52m

C$ 458

DenverToronto

DEN - YTZ

DENYTZ

Denver Intl

Thu 22/5

7:40 p.m.-4:27 p.m.

2 stops18h 47m

Toronto Island

Sun 25/5

3:35 p.m.-11:27 a.m.

2 stops21h 52m

C$ 499

DenverHamilton

DEN - YHM

DENYHM

Denver Intl

Thu 1/5

12:15 p.m.-12:41 a.m.

1 stop10h 26m

Hamilton

Sun 4/5

6:00 a.m.-3:59 a.m.

2 stops23h 59m

C$ 502

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Fri 2/5

12:55 a.m.-11:25 a.m.

1 stop8h 30m

Toronto Pearson Intl

Wed 7/5

12:10 p.m.-8:39 p.m.

1 stop10h 29m

C$ 733

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Wed 23/4

5:26 p.m.-10:50 a.m.

1 stop15h 24m

Toronto Pearson Intl

Mon 28/4

3:14 p.m.-10:39 p.m.

1 stop9h 25m

C$ 736

DenverToronto

DEN - YYZ

DENYYZ

Denver Intl

Sat 3/5

5:36 p.m.-10:48 p.m.

Nonstop3h 12m

Toronto Pearson Intl

Wed 7/5

8:45 a.m.-10:30 a.m.

Nonstop3h 45m

C$ 773

Flights are sorted by cheapest round-trip flights first.

Deals found on 26/3

Showing 1-10 of 30 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 C$ 167). Flying from Colorado to Toronto in July is currently the most expensive (average of C$ 258). 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 27 March 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 51.0 - 83.0 mm per month. June is typically the wettest month, when rainfall can reach 83.0 mm. February is typically the driest time to visit Toronto when rainfall is around 51.0 mm.

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 21.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -6.0 C).

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 27 March 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
9,795 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

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
9,795 reviews
Alaska Airlines
8.0
Very good
9,795 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

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
7,895 reviews
Alaska Airlines
8.0
Very good
9,795 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

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
9,795 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

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
9,795 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

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
9,795 reviews
Check prices

Boarding

8.2

Overall

8.0

Comfort

7.9

Food

7.1

Entertainment

7.1

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?

    C$ 154 is the cheapest one-way deal found within the past few days, from WestJet. You may also be able to find cheap deals on Delta and American Airlines, with prices starting from C$ 214 and C$ 327, respectively.

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

    When deciding which route to take from Colorado to Toronto consider Denver Intl - Toronto Pearson Intl, Denver Intl - Toronto Island or Denver Intl - Toronto Region of Waterloo Intl as they are the most popular.

  • What are the most reliable airlines from Colorado to Toronto?

    No one likes to see their flight delayed. When booking a flight from Colorado to Toronto consider choosing Austrian Airlines (81%), Air Canada (65%) or United Airlines (65%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Colorado to Toronto?

    While on average a flight from Colorado to Toronto is generally C$ 820, our data shows the cheapest flight currently is C$ 166. When looking at the most popular route, (Denver Intl - Toronto Pearson Intl), you can expect to pay C$ 370 for that flight.

  • 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 C$ 167). Flying from Colorado to Toronto in July is currently the most expensive (average of C$ 258). 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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Top airline flying from Colorado to Toronto

Discover the top airline 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 629,999 searches. Data last updated 27 March 2025.
AirlineCheapestAverageFlexibilityOn-time
Air CanadaCheapestC$ 261AverageC$ 718FlexibilityNo cancel feeOn-time67%
Search Air Canada flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Colorado to Toronto?

When you search for this flight from Colorado to Toronto, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Colorado to Toronto?

Cheapflights simply makes it quick and affordable to book flights from Colorado to Toronto by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Colorado to Toronto with no change fees?

Yes, we can. To see specific flights from Colorado to Toronto with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Colorado to Toronto become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Toronto from Colorado today and book when prices fit your budget.

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