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C$ 224+ Cheap flights to Colorado

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 8/7. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
26 Mar — 2 Apr1
1 adult

Flights to Colorado in 2025

Find the latest flights to Colorado in 2025, with up-to-date prices and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 21 March 2025.

Round-trip from

C$ 460

One-way from

C$ 224

Popular in

December

Cheapest in

October

Average price

C$ 694

Good round-trip deal

C$ 547 or less

Good one-way deal

C$ 343 or less
WestJet
  • WestJet
  • 19/6-22/6
  • 2 total stops
  • 41h 53m total
  • Toronto to Denver
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WestJet
  • WestJet
  • 8/7
  • 1 total stop
  • 17h 42m total
  • Toronto to Colorado
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Highest demand for flights based on searches. 1% potential increase in price (C$ 13 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 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 Toronto to Colorado.
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Price to beat on a one-way flight from Toronto to Colorado.
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Find flights to Colorado

Browse one-way and round-trip flights deals to Colorado on Cheapflights. Flight deals are based on user searches and were last updated on 21 March 2025
Explore Colorado
Flights to Denver
Flights to Colorado Springs
Flights to Aspen
Flights to Durango

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Cheapest flights to Colorado
Explore the most affordable flight options available to Colorado. Find the lowest fares based on data from user searches, with prices last updated on 21 March 2025.

Sun 20/48:35 a.m.YYZ - COS
1 stop7h 54mAir Canada
Sat 26/49:00 a.m.COS - YYZ
1 stop5h 26mAir Canada
Deal found 20/3C$ 417
Sun 20/47:30 a.m.YYZ - COS
2 stops10h 19mAmerican Airlines
Sat 26/46:00 a.m.COS - YYZ
2 stops8h 35mAmerican Airlines
Deal found 20/3C$ 443
Thu 24/41:27 p.m.YYZ - COS
1 stop9h 38mDelta
Sun 11/58:00 a.m.COS - YYZ
1 stop6h 40mDelta
Deal found 20/3C$ 445
Thu 19/66:00 a.m.YHM - DEN
1 stop14h 52mWestJet
Sun 22/67:40 p.m.DEN - YHM
1 stop27h 01mWestJet
Deal found 21/3C$ 460
Tue 15/47:25 p.m.YYZ - DEN
1 stop15h 36mMultiple Airlines
Tue 29/45:29 p.m.DEN - YYZ
1 stop10h 26mMultiple Airlines
Deal found 20/3C$ 472
Sat 10/510:20 p.m.YYZ - DEN
2 stops15h 07mWestJet
Tue 13/512:15 p.m.DEN - YYZ
2 stops10h 18mWestJet
Deal found 21/3C$ 479
Thu 14/87:45 p.m.YKF - DEN
1 stop17h 42mWestJet
Sat 16/812:15 p.m.DEN - YKF
1 stop10h 31mWestJet
Deal found 21/3C$ 490
Sat 12/48:35 a.m.YYZ - DEN
Nonstop3h 45mAir Canada
Sat 19/411:15 a.m.DEN - YYZ
1 stop7h 28mAir Canada
Deal found 20/3C$ 549
Thu 19/67:15 p.m.YHM - DEN
1 stop18h 12mMultiple Airlines
Mon 23/612:15 p.m.DEN - YHM
1 stop9h 08mMultiple Airlines
Deal found 20/3C$ 558
Fri 6/66:00 a.m.YKF - DEN
1 stop14h 52mMultiple Airlines
Wed 18/612:15 p.m.DEN - YKF
1 stop15h 00mMultiple Airlines
Deal found 20/3C$ 565
Wed 16/412:15 p.m.YYZ - DEN
1 stop6h 52mDelta
Tue 22/412:55 a.m.DEN - YYZ
1 stop7h 29mDelta
Deal found 21/3C$ 565
Fri 18/43:50 p.m.YTZ - DEN
1 stop18h 45mMultiple Airlines
Fri 25/43:42 p.m.DEN - YTZ
1 stop21h 55mMultiple Airlines
Deal found 20/3C$ 595

Cheapflights Fare Finder

Locate flights to Colorado that fit your budget, with regularly updated fares and availability. In the last 7 days, Cheapflights users made a total of 629,999 searches and data was last updated on 21 March 2025.
Use the filters below to find and compare flights to Colorado that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Sun 20/4

8:35 a.m.-2:29 p.m.

1 stop7h 54m

Colorado Springs

Sat 26/4

9:00 a.m.-4:26 p.m.

1 stop5h 26m

C$ 417

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Sun 20/4

7:30 a.m.-3:49 p.m.

2 stops10h 19m

Colorado Springs

Sat 26/4

6:00 a.m.-4:35 p.m.

2 stops8h 35m

C$ 443

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Thu 24/4

1:27 p.m.-9:05 p.m.

1 stop9h 38m

Colorado Springs

Sun 11/5

8:00 a.m.-4:40 p.m.

1 stop6h 40m

C$ 445

HamiltonDenver

YHM - DEN

YHMDEN

Hamilton

Thu 19/6

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

1 stop14h 52m

Denver Intl

Sun 22/6

7:40 p.m.-12:41 a.m.

1 stop27h 01m

C$ 460

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Tue 15/4

7:25 p.m.-9:01 a.m.

1 stop15h 36m

Denver Intl

Tue 29/4

5:29 p.m.-5:55 a.m.

1 stop10h 26m

C$ 472

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sat 10/5

10:20 p.m.-11:27 a.m.

2 stops15h 07m

Denver Intl

Tue 13/5

12:15 p.m.-12:33 a.m.

2 stops10h 18m

C$ 479

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Thu 14/8

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

1 stop17h 42m

Denver Intl

Sat 16/8

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

1 stop10h 31m

C$ 490

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sat 12/4

8:35 a.m.-10:20 a.m.

Nonstop3h 45m

Denver Intl

Sat 19/4

11:15 a.m.-8:43 p.m.

1 stop7h 28m

C$ 549

HamiltonDenver

YHM - DEN

YHMDEN

Hamilton

Thu 19/6

7:15 p.m.-11:27 a.m.

1 stop18h 12m

Denver Intl

Mon 23/6

12:15 p.m.-11:23 p.m.

1 stop9h 08m

C$ 558

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 16/4

12:15 p.m.-5:07 p.m.

1 stop6h 52m

Denver Intl

Wed 23/4

4:15 p.m.-11:15 p.m.

1 stop5h 00m

C$ 565

Flights are sorted by cheapest round-trip flights first.

Deals found on 21/3

Showing 1-10 of 36 results
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Best time to book a flight to Colorado

Have a flexible travel schedule? Discover the best time to fly to 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 to Colorado

How long is the flight to Colorado?

On average, a flight from Toronto to Colorado takes 13 hours 34 minutes. Flights to Colorado from other popular cities in Canada will vary in length. Below are a few examples of popular routes and their flight times.

Weekly flight availability to Colorado

The most flights from Toronto to Colorado are scheduled on a Monday (6 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (6 on average).

What are the most popular airlines that fly to Colorado?

The most popular airlines flying from Toronto to Colorado are Air Canada, United Airlines and WestJet.

Air Canada

Air Canada

From C$ 234

United Airlines

United Airlines

From C$ 246

WestJet

WestJet

From C$ 285

What are the cheapest airlines that fly to Colorado?

The cheapest airlines flying from Toronto to Colorado are Air Canada, United Airlines and WestJet.

Rainfall in Colorado by month

Plan your trip to Colorado by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Colorado ranges from 13.0 - 58.0 mm per month. May is typically the wettest month, when rainfall can reach 58.0 mm. January is typically the driest time to visit Colorado when rainfall is around 13.0 mm.

Temperature in Colorado by month

Plan your trip to Colorado by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Colorado, 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 23.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around -1.0 C).

What are the most popular places to fly to in Colorado?

Destination popularity is based on the amount of flight searches to Colorado in the last few years. This data was updated on 21 March 2025.
The most popular places in Colorado to fly to are Denver, Colorado Springs, Aspen and Vail.

Reviews of airlines servicing Colorado

Get insights into the airlines that provide service to Colorado. 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 Colorado. Reviews last updated 21 March 2025.
Get a feel of what it's like to fly with Alaska Airlines, Delta and United Airlines to Colorado by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
9,759 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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
9,759 reviews
Alaska Airlines
8.0
Very good
9,759 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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
9,759 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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
8,605 reviews
Alaska Airlines
8.0
Very good
9,759 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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
9,759 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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
2,783 reviews
Alaska Airlines
8.0
Very good
9,759 reviews
Check prices

Entertainment

7.1

Crew

8.5

Food

7.1

Comfort

7.9

Boarding

8.2

Overall

8.0

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

FAQs about flying to Colorado

Colorado climate

Colorado averages 296 sunny days a year. There isn’t much precipitation in the lower elevations, but huge amounts of snow in the mountains. Most visitors booking Colorado flights take advantage of the winter months when snow falls heavy in the mountains.Winter starts in late November. In Denver and Colorado Springs, summer days are hot and dry and the evenings mild. Summer comes to the mountains in June, and the warm weather lasts until mid-September. Winter hits around mid-November, though snowstorms can start in the mountains in September.The climate from one area to another can be dramatically different due to the difference in elevation and the orientation of mountain ranges and valleys.

Getting around Colorado

Denveris a transportation hub for Colorado, both for entering and leaving the state and for finding transportation to other Colorado destinations. You can rely on public transportation during your stay in Denver. Taxis and shuttles are also available in other large cities and towns. To help you get around the state, there are commuter airlines and shuttle buses from the Denver airport. You can pick up other Colorado flights at the Denver airport, or one of the smaller airports around the state. Amtrak has a couple of routes through the state, and some say the Durango and Silverton Narrow Gauge Railroad in the southwest isn’t to be missed.

A world-renowned destination for cyclists, interstate highway shoulders are open to cyclists (except in urban areas). The mountain roads are more demanding, and one of the most popular and challenging routes is the Million Dollar Highway.

  • When is the best time to fly to Colorado?

    Peak Season: Summer, Memorial Day to Labour Day, is the peak season with lots of crowds and high rates. The ski resorts peak again in winter, and they are as crowded in July as they are in February. Book Colorado flights and accommodations early if you plan to travel during the peak season. Most of the resorts book up fast and budget and economy travel is hard to find. Off Season: The closest you will come to off season are the fall and spring seasons. Cheap flights to Colorado can usually be purchased during these times, right after and before the winter ski rush. The best time to visit is mid-September through October as the weather usually stays warm. Find flights to Colorado

  • Can I find cheaper flights to Colorado if I am willing to have layovers?

    Yes, flights with layovers are often cheaper than direct flights. Keep an eye out for flight deals to Colorado on Cheapflights that require 1 or 2 stops for potential cost savings.

  • What is the best airline to fly to Colorado?

    Based on reviews from Cheapflights users, WestJet is rated the highest out of the airlines that fly to Colorado.

  • What is the cheapest airport to fly to in Colorado?

    Denver Intl is currently the cheapest airport to fly to in Colorado. One-way flights to Denver Intl typically cost C$ 42, while round-trip flights cost around C$ 57.

  • How much is a round-trip flight to Colorado?

    A round-trip flight to Colorado will typically cost around C$ 39, however they can be found for as little as C$ 39.

  • Where does the fastest flight to Colorado depart from?

    For those looking to save time traveling to Colorado, Regina offers the quickest one-way flight (2 hours 15 minutes).

  • Which airport is closest to Fillmore Auditorium?

    If being close to Fillmore Auditorium is important to you, you’ll want to land at Denver Intl Airport.

  • Does Denver Intl have rental cars?

    Yes. Those touching down at Denver Intl can take advantage of the rental car services offered upon their arrival.

  • Are there hotels close to Denver Intl?

    Yes. Denver Intl has hotels nearby for those requiring accommodations. The Westin Denver International Airport is the closest property to Denver Intl (0.0 km away from Denver Intl).

See more FAQs

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Need flexible booking options for your flight to Colorado ? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes, Cheapflights has a feature called Price Alerts, which notifies users when flight prices change. Track prices for your flight to Colorado today and book when you’re ready!

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