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C$ 180+ 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 20/10. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
14 Oct — 21 Oct1
1 adult
1 adult, Economy

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 14 September 2025.

Round-trip from

C$ 428

One-way from

C$ 180

Popular in

September

Cheapest in

November

Average price

C$ 750

Good round-trip deal

C$ 583 or less

Good one-way deal

C$ 413 or less
29/10-4/11
  • 29/10-4/11
  • 2 total stops
  • 30h 01m total
  • Toronto to Denver
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20/10
  • 20/10
  • 1 total stop
  • 18h 12m total
  • Toronto to Colorado
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Highest demand for flights based on searches. 0% potential increase in price (C$ 8 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease (C$ 16 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 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 14 September 2025
Explore Colorado
Flights to Denver
Flights to Aspen
Flights to Montrose

Find flight deals to Colorado

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 14 September 2025.

Tue 14/107:15 a.m.YYZ - DEN
1 stop18h 01mMultiple Airlines
Sat 18/1012:00 p.m.DEN - YYZ
1 stop7h 07mMultiple Airlines
Deal found 14/9C$ 428
Wed 29/108:30 a.m.YYZ - DEN
Nonstop3h 53mAir Canada
Wed 5/118:45 a.m.DEN - YYZ
1 stop8h 54mAir Canada
Deal found 14/9C$ 429
Thu 16/109:00 a.m.YYZ - DEN
1 stop10h 18mAir Canada
Sat 25/1011:15 a.m.DEN - YYZ
1 stop8h 24mAir Canada
Deal found 13/9C$ 432
Tue 14/1012:00 p.m.YTZ - DEN
2 stops26h 44mMultiple Airlines
Mon 20/108:58 p.m.DEN - YTZ
1 stop13h 19mMultiple Airlines
Deal found 13/9C$ 433
Sun 19/107:45 a.m.YYZ - DEN
2 stops13h 59mMultiple Airlines
Sat 25/1012:00 p.m.DEN - YYZ
1 stop7h 07mMultiple Airlines
Deal found 13/9C$ 433
Sat 11/109:10 a.m.YTZ - DEN
2 stops17h 58mMultiple Airlines
Fri 17/109:19 p.m.DEN - YTZ
1 stop12h 58mMultiple Airlines
Deal found 14/9C$ 435
Fri 19/99:50 a.m.YYZ - DEN
1 stop15h 23mMultiple Airlines
Tue 7/105:51 p.m.DEN - YYZ
1 stop24h 07mMultiple Airlines
Deal found 12/9C$ 435
Tue 7/104:00 p.m.YYZ - DEN
1 stop9h 16mMultiple Airlines
Thu 16/106:00 a.m.DEN - YYZ
1 stop13h 50mMultiple Airlines
Deal found 13/9C$ 436
Wed 5/119:35 a.m.YYZ - DEN
1 stop20h 24mMultiple Airlines
Sat 8/1112:16 a.m.DEN - YYZ
1 stop9h 30mMultiple Airlines
Deal found 12/9C$ 439
Sat 11/103:00 p.m.YTZ - DEN
1 stop12h 08mMultiple Airlines
Sat 18/108:22 p.m.DEN - YTZ
1 stop13h 55mMultiple Airlines
Deal found 14/9C$ 440
Fri 19/99:50 a.m.YYZ - DEN
1 stop15h 23mMultiple Airlines
Mon 29/910:29 p.m.DEN - YYZ
1 stop19h 16mMultiple Airlines
Deal found 12/9C$ 440
Fri 19/99:50 a.m.YYZ - DEN
1 stop15h 23mMultiple Airlines
Sun 5/108:59 p.m.DEN - YYZ
1 stop22h 08mMultiple Airlines
Deal found 12/9C$ 442

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 14 September 2025.
Use the filters below to find and compare flights to Colorado that are best for you.

Fly from

Toronto

Route

Depart

Return

Price

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Tue 14/10

12:00 p.m.-12:44 p.m.

2 stops26h 44m

Denver Intl

Mon 20/10

8:58 p.m.-12:17 p.m.

1 stop13h 19m

C$ 433

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Sat 11/10

9:10 a.m.-1:08 a.m.

2 stops17h 58m

Denver Intl

Fri 17/10

9:19 p.m.-12:17 p.m.

1 stop12h 58m

C$ 435

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Sat 11/10

3:00 p.m.-1:08 a.m.

1 stop12h 08m

Denver Intl

Sat 18/10

8:22 p.m.-12:17 p.m.

1 stop13h 55m

C$ 440

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Tue 14/10

5:15 p.m.-1:08 a.m.

1 stop9h 53m

Denver Intl

Sat 18/10

8:22 p.m.-12:17 p.m.

1 stop13h 55m

C$ 440

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Wed 5/11

7:00 a.m.-11:16 p.m.

2 stops18h 16m

Denver Intl

Sun 9/11

6:38 a.m.-8:00 p.m.

1 stop11h 22m

C$ 448

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 15/10

1:20 p.m.-9:41 p.m.

1 stop10h 21m

Denver Intl

Tue 21/10

6:00 a.m.-4:50 p.m.

1 stop8h 50m

C$ 453

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Thu 2/10

6:30 a.m.-6:33 p.m.

1 stop14h 03m

Denver Intl

Sun 5/10

7:16 a.m.-11:25 p.m.

1 stop14h 09m

C$ 453

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Mon 6/10

3:35 p.m.-10:06 p.m.

1 stop8h 31m

Denver Intl

Tue 7/10

11:59 p.m.-11:21 a.m.

1 stop9h 22m

C$ 453

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Sun 12/10

5:50 p.m.-10:25 p.m.

1 stop6h 35m

Denver Intl

Thu 16/10

12:55 a.m.-8:55 a.m.

1 stop6h 00m

C$ 453

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Tue 11/11

12:30 p.m.-7:55 p.m.

1 stop9h 25m

Denver Intl

Mon 17/11

11:15 a.m.-7:55 p.m.

1 stop6h 40m

C$ 454

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/9

Showing 1-10 of 60 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 10 hours 38 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 (11 on average). You will have fewer flight options on Wednesday, which is when the least amount of flights are scheduled (10 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$ 64
United Airlines
United Airlines
From C$ 143
WestJet
WestJet
From C$ 122
Delta
Delta
From C$ 154

What are the cheapest airlines that fly to Colorado?

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

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 14 September 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 14 September 2025.
Check out reviews from past customers who have flown United Airlines,WestJet, andAir Canada to the United States to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
United Airlines
7.4
Good
8,931 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
United Airlines
7.4
Good
8,931 reviews
United Airlines
7.4
Good
8,931 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
WestJet
7.2
Good
3,091 reviews
United Airlines
7.4
Good
8,931 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.
Air Canada
7.1
Good
10,000 reviews
United Airlines
7.4
Good
8,931 reviews
Check prices

Boarding

7.7

Comfort

7.3

Overall

7.4

Crew

8.1

Food

6.6

Entertainment

7.1

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

YVR - SFO

It was a good experience. The flight took 45 minutes longer to fly and all passengers had to wait inside the plane till the technical issue was fixed. Overall it was a good experience.

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$ 81, while round-trip flights cost around C$ 105.

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

    A round-trip flight to Colorado will typically cost around C$ 447, however they can be found for as little as C$ 76.

  • 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 13 minutes).

  • Which airport is closest to Coors Field?

    If being close to Coors Field 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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