Find flights
Deals
Airlines
Travel Guide

C$ 236+ 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 23/6. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
21 Jun — 28 Jun1
1 adult
1 adult, Economy, 0 bags

Flights to Colorado in 2026

Enter your travel dates to find the best prices.

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 22 May 2026.

Tue 1/91:40 p.m.
YTZ
-
DEN
1 stop12h 14m
Multiple Airlines
Tue 15/911:59 p.m.
DEN
-
YTZ
2 stops14h 01m
Multiple Airlines
Deal found 18/5C$ 493
Fri 14/85:20 p.m.
YYZ
-
DEN
2 stops20h 00m
WestJet
Sat 22/812:15 p.m.
DEN
-
YYZ
2 stops14h 55m
WestJet
Deal found 19/5C$ 493
Tue 21/72:25 p.m.
YYZ
-
DEN
2 stops22h 55m
WestJet
Sun 2/812:15 p.m.
DEN
-
YYZ
1 stop22h 40m
WestJet
Deal found 21/5C$ 494
Thu 30/73:50 p.m.
YYZ
-
DEN
1 stop21h 30m
WestJet
Mon 3/812:15 p.m.
DEN
-
YYZ
2 stops25h 05m
WestJet
Deal found 19/5C$ 495
Wed 19/85:20 p.m.
YYZ
-
DEN
2 stops20h 00m
WestJet
Sat 29/812:15 p.m.
DEN
-
YYZ
1 stop26h 55m
WestJet
Deal found 18/5C$ 497
Thu 16/712:00 p.m.
YYZ
-
DEN
2 stops25h 20m
WestJet
Thu 23/712:15 p.m.
DEN
-
YYZ
2 stops14h 55m
WestJet
Deal found 20/5C$ 498
Fri 17/75:20 p.m.
YYZ
-
DEN
2 stops20h 00m
WestJet
Tue 21/712:15 p.m.
DEN
-
YYZ
2 stops33h 44m
WestJet
Deal found 18/5C$ 500
Thu 16/72:25 p.m.
YYZ
-
DEN
2 stops22h 55m
WestJet
Mon 20/712:15 p.m.
DEN
-
YYZ
1 stop22h 40m
WestJet
Deal found 21/5C$ 501
Thu 11/68:45 a.m.
YTZ
-
DEN
1 stop17h 09m
Multiple Airlines
Tue 16/65:05 p.m.
DEN
-
YTZ
1 stop17h 50m
Multiple Airlines
Deal found 19/5C$ 504
Tue 18/87:00 a.m.
YYZ
-
DEN
1 stop30h 20m
WestJet
Fri 21/812:15 p.m.
DEN
-
YYZ
2 stops38h 55m
WestJet
Deal found 19/5C$ 508
Thu 9/71:30 p.m.
YYZ
-
DEN
1 stop23h 50m
WestJet
Sun 12/712:15 p.m.
DEN
-
YYZ
1 stop26h 55m
WestJet
Deal found 20/5C$ 509
Wed 17/68:40 p.m.
YKF
-
DEN
1 stop16h 40m
WestJet
Fri 26/612:15 p.m.
DEN
-
YKF
1 stop29h 35m
WestJet
Deal found 17/5C$ 534

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 22 May 2026
Explore Colorado
Flights to Denver
Flights to Colorado Springs
Flights to Gunnison
Flights to Aspen
Flights to Durango
Flights to Montrose
Flights to Vail

Find flight deals to Colorado

Find the latest flights to Colorado in 2026, 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 22 May 2026.

Round-trip from

C$ 489

One-way from

C$ 236

Popular in

February

Cheapest in

November

Average price

C$ 665

Good round-trip deal

C$ 642 or less

Good one-way deal

C$ 359 or less
WestJet
  • WestJet
  • 21/6-3/7
  • 4 total stops
  • 37h 30m total
  • Toronto to Denver
Search Deals
WestJet
  • WestJet
  • 23/6
  • 2 total stops
  • 22h 55m total
  • Toronto to Colorado
Search Deals
Highest demand for flights based on searches. 5% potential increase in price (C$ 34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in May 2026
Search Deals
Price to beat on a round-trip flight from Toronto to Colorado.
Search Deals
Price to beat on a one-way flight from Toronto to Colorado.
Search Deals

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 22 May 2026.
Use the filters below to find and compare flights to Colorado that are best for you.

Fly from

Route

Depart

Return

Price

Cheapest round-trip

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Wed 17/6

8:40 p.m.-11:20 a.m.

1 stop16h 40m

Denver Intl

Fri 26/6

12:15 p.m.-7:50 p.m.

1 stop29h 35m

C$ 534

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Tue 23/6

8:40 p.m.-11:20 a.m.

1 stop16h 40m

Denver Intl

Tue 30/6

12:15 p.m.-7:50 p.m.

1 stop29h 35m

C$ 553

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Fri 3/7

9:00 p.m.-11:09 a.m.

1 stop16h 09m

Colorado Springs

Fri 10/7

1:30 p.m.-9:32 p.m.

1 stop6h 02m

C$ 573

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Sat 15/8

8:40 p.m.-11:20 a.m.

1 stop16h 40m

Denver Intl

Mon 17/8

12:15 p.m.-7:50 p.m.

1 stop29h 35m

C$ 574

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Sat 15/8

8:40 p.m.-11:20 a.m.

1 stop16h 40m

Denver Intl

Tue 18/8

12:15 p.m.-7:50 p.m.

1 stop29h 35m

C$ 577

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Fri 17/7

8:40 p.m.-11:20 a.m.

1 stop16h 40m

Denver Intl

Tue 21/7

12:15 p.m.-7:50 p.m.

1 stop29h 35m

C$ 577

HamiltonDenver

YHM - DEN

YHMDEN

Hamilton

Tue 23/6

6:10 p.m.-11:20 a.m.

1 stop19h 10m

Denver Intl

Tue 30/6

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

1 stop27h 00m

C$ 580

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Fri 28/8

8:40 p.m.-11:20 a.m.

1 stop16h 40m

Denver Intl

Mon 31/8

12:15 p.m.-7:50 p.m.

1 stop29h 35m

C$ 581

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Sat 15/8

8:40 p.m.-11:20 a.m.

1 stop16h 40m

Denver Intl

Wed 2/9

12:15 p.m.-7:50 p.m.

1 stop29h 35m

C$ 582

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Sun 16/8

8:40 p.m.-11:20 a.m.

1 stop16h 40m

Denver Intl

Sat 22/8

12:15 p.m.-7:50 p.m.

1 stop29h 35m

C$ 582

Flights are sorted by cheapest round-trip flights first.

Deals found on 18/5

Showing 1-10 of 32 resultsSorted by cheapest first
1
2
3
4

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 12 hours 30 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 (10 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (8 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$ 154
United Airlines
United Airlines
From C$ 183
WestJet
WestJet
From C$ 166
Delta
Delta
From C$ 141

What are the cheapest airlines that fly to Colorado?

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

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).

When is the best time to book a flight to Colorado?

Booking 54 days in advance of your planned departure date is, on average, the best time to get cheap flights to Colorado. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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 22 May 2026.
The most popular places in Colorado to fly to are Denver, Colorado Springs, Aspen, Grand Junction 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 22 May 2026.
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
9,751 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
United Airlines
7.4
Good
9,751 reviews
United Airlines
7.4
Good
9,751 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
WestJet
7.2
Good
3,342 reviews
United Airlines
7.4
Good
9,751 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats
Air Canada
7.1
Good
11,075 reviews
United Airlines
7.4
Good
9,751 reviews
Check prices

Entertainment

7.1

Overall

7.4

Comfort

7.3

Boarding

7.7

Crew

8.1

Food

6.6

Reviews

1 / 20
6.0
Good

Gerry,Jan 2026

YVR - DEN

Seats were uncomfortable. Second leg of my flight on United had much more comfortable seats

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, Delta 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$ 77, while round-trip flights cost around C$ 121.

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

    A round-trip flight to Colorado will typically cost around C$ 219, however they can be found for as little as C$ 121.

  • Where does the fastest flight to Colorado depart from?

    For those looking to save time traveling to Colorado, Vancouver offers the quickest one-way flight (1 hour 53 minutes).

  • Which airport is closest to Denver Zoo?

    If being close to Denver Zoo 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 to Colorado?

Cheapflights makes it easy to find Colorado flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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

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

Can Cheapflights find flights to Colorado with no change fees?

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!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.