Find flights
Deals
Airlines
Travel Guide

C$ 271+ 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 17/6. Fares are subject to change and may not be available on all flights or dates of travel.
— DEN
17 Jun — 24 Jun1
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 12 June 2025.

Round-trip from

C$ 375

One-way from

C$ 271

Popular in

December

Cheapest in

September

Average price

C$ 602

Good round-trip deal

C$ 559 or less

Good one-way deal

C$ 281 or less
WestJet
  • WestJet
  • 8/8-11/8
  • 3 total stops
  • 27h 06m total
  • Toronto to Denver
Search Deals
Delta
  • Delta
  • 17/6
  • 1 total stop
  • 6h 35m total
  • Toronto to Colorado
Search Deals
Highest demand for flights based on searches. 3% potential increase in price (C$ 34 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2025
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

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 12 June 2025
Explore Colorado
Flights to Denver
Flights to Aspen
Flights to Durango

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 12 June 2025.

Fri 8/87:00 p.m.YYZ - DEN
2 stops18h 27mWestJet
Mon 11/812:15 p.m.DEN - YYZ
1 stop8h 39mWestJet
Deal found 9/6C$ 375
Fri 1/810:00 a.m.YYZ - DEN
2 stops15h 21mMultiple Airlines
Sun 3/812:15 p.m.DEN - YYZ
1 stop10h 09mMultiple Airlines
Deal found 12/6C$ 414
Thu 4/97:45 p.m.YKF - DEN
1 stop17h 39mWestJet
Mon 8/912:15 p.m.DEN - YKF
1 stop28h 40mWestJet
Deal found 10/6C$ 417
Wed 18/68:40 a.m.YYZ - DEN
Nonstop3h 40mAir Canada
Sat 21/67:45 a.m.DEN - YYZ
Nonstop3h 13mAir Canada
Deal found 11/6C$ 428
Thu 26/66:49 a.m.YYZ - COS
1 stop17h 33mAmerican Airlines
Wed 2/75:00 a.m.COS - YYZ
1 stop15h 50mAmerican Airlines
Deal found 12/6C$ 459
Tue 24/69:00 p.m.YYZ - COS
1 stop16h 08mUnited Airlines
Tue 1/712:55 p.m.COS - YYZ
2 stops9h 03mUnited Airlines
Deal found 10/6C$ 461
Fri 13/61:25 p.m.YYZ - DEN
1 stop10h 53mAmerican Airlines
Tue 17/67:00 a.m.DEN - YYZ
1 stop5h 55mAmerican Airlines
Deal found 10/6C$ 462
Fri 13/62:27 p.m.YYZ - DEN
1 stop8h 08mDelta
Tue 17/612:55 a.m.DEN - YYZ
1 stop6h 26mDelta
Deal found 10/6C$ 463
Tue 15/712:25 p.m.YTZ - DEN
1 stop7h 55mAir Canada
Fri 18/79:40 a.m.DEN - YTZ
1 stop8h 06mAir Canada
Deal found 10/6C$ 465
Mon 4/86:00 a.m.YKF - DEN
1 stop31h 27mMultiple Airlines
Mon 6/1012:15 p.m.DEN - YKF
1 stop15h 00mMultiple Airlines
Deal found 10/6C$ 472
Fri 13/65:15 p.m.YYZ - DEN
1 stop7h 03mBritish Airways
Sat 21/67:20 a.m.DEN - YYZ
1 stop13h 30mBritish Airways
Deal found 10/6C$ 472
Fri 19/910:20 a.m.YYZ - COS
2 stops13h 00mDelta
Mon 22/95:55 p.m.COS - YYZ
2 stops16h 19mDelta
Deal found 11/6C$ 485

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 12 June 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

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 8/8

7:00 p.m.-11:27 a.m.

2 stops18h 27m

Denver Intl

Mon 11/8

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

1 stop8h 39m

C$ 375

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 1/8

10:00 a.m.-11:21 p.m.

2 stops15h 21m

Denver Intl

Sun 3/8

12:15 p.m.-12:24 a.m.

1 stop10h 09m

C$ 414

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Thu 4/9

7:45 p.m.-11:24 a.m.

1 stop17h 39m

Denver Intl

Mon 8/9

12:15 p.m.-6:55 p.m.

1 stop28h 40m

C$ 417

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Wed 16/7

8:40 a.m.-10:20 a.m.

Nonstop3h 40m

Denver Intl

Tue 22/7

7:45 a.m.-12:58 p.m.

Nonstop3h 13m

C$ 438

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Thu 26/6

6:49 a.m.-10:22 p.m.

1 stop17h 33m

Colorado Springs

Wed 2/7

5:00 a.m.-10:50 p.m.

1 stop15h 50m

C$ 459

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Tue 24/6

9:00 p.m.-11:08 a.m.

1 stop16h 08m

Colorado Springs

Tue 1/7

12:55 p.m.-11:58 p.m.

2 stops9h 03m

C$ 461

TorontoDenver

YTZ - DEN

YTZDEN

Toronto Island

Tue 15/7

12:25 p.m.-6:20 p.m.

1 stop7h 55m

Denver Intl

Fri 18/7

9:40 a.m.-7:46 p.m.

1 stop8h 06m

C$ 465

TorontoDenver

YKF - DEN

YKFDEN

Toronto Region of Waterloo Intl

Mon 4/8

6:00 a.m.-11:27 a.m.

1 stop31h 27m

Denver Intl

Mon 6/10

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

1 stop15h 00m

C$ 472

TorontoColorado Springs

YYZ - COS

YYZCOS

Toronto Pearson Intl

Fri 19/9

10:20 a.m.-9:20 p.m.

2 stops13h 00m

Colorado Springs

Mon 22/9

5:55 p.m.-12:14 p.m.

2 stops16h 19m

C$ 485

TorontoDenver

YYZ - DEN

YYZDEN

Toronto Pearson Intl

Fri 11/7

5:45 p.m.-10:11 p.m.

1 stop6h 26m

Denver Intl

Thu 17/7

12:59 a.m.-10:19 a.m.

1 stop7h 20m

C$ 494

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/6

Showing 1-10 of 41 results
1
2
3
...
5

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 9 hours 41 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 Friday, which is when the least amount of flights are scheduled (7 on average).

What are the most popular airlines that fly to Colorado?

The most popular airline flying from Toronto to Colorado is British Airways.

British Airways
British Airways
From C$ 659

What are the cheapest airlines that fly to Colorado?

The cheapest airlines flying from Toronto to Colorado are Frontier, WestJet 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).

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 12 June 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 12 June 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
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
WestJet
7.2
Good
2,868 reviews
Alaska Airlines
8.0
Very good
10,000 reviews
Check prices

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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$ 40, while round-trip flights cost around C$ 104.

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

    A round-trip flight to Colorado will typically cost around C$ 388, 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 15 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

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.