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Cheap flights from Canada to Colorado from C$ 149

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 18/5. Fares are subject to change and may not be available on all flights or dates of travel.
YYZ — DEN
29 May — 5 Jun1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Canada to Colorado

Enter your travel dates to find the best prices.

Cheapest flights from Canada to Colorado
Explore the most affordable flight options available from Canada to Colorado. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 29 April 2026.

Mon 11/58:45 a.m.
YYC
-
DEN
Nonstop2h 35m
WestJet
Fri 15/512:15 p.m.
DEN
-
YYC
Nonstop2h 30m
WestJet
Deal found 25/4C$ 242
Thu 21/58:45 a.m.
YYC
-
DEN
Nonstop2h 35m
WestJet
Mon 25/512:15 p.m.
DEN
-
YYC
Nonstop2h 30m
WestJet
Deal found 25/4C$ 249
Tue 26/58:45 a.m.
YYC
-
DEN
Nonstop2h 35m
WestJet
Tue 2/612:15 p.m.
DEN
-
YYC
Nonstop2h 30m
WestJet
Deal found 28/4C$ 272
Thu 21/511:20 a.m.
YYC
-
DEN
1 stop6h 00m
Multiple Airlines
Mon 25/512:15 p.m.
DEN
-
YYC
Nonstop2h 30m
Multiple Airlines
Deal found 26/4C$ 276
Mon 8/68:45 a.m.
YYC
-
DEN
Nonstop2h 35m
WestJet
Tue 16/612:15 p.m.
DEN
-
YYC
Nonstop2h 30m
WestJet
Deal found 27/4C$ 291
Tue 2/68:20 a.m.
YVR
-
DEN
1 stop24h 44m
Multiple Airlines
Thu 4/610:39 p.m.
DEN
-
YVR
2 stops23h 01m
Multiple Airlines
Deal found 24/4C$ 291
Sun 14/68:45 a.m.
YYC
-
DEN
Nonstop2h 35m
WestJet
Tue 16/612:15 p.m.
DEN
-
YYC
Nonstop2h 30m
WestJet
Deal found 27/4C$ 292
Thu 28/58:20 a.m.
YVR
-
DEN
1 stop15h 18m
Multiple Airlines
Mon 8/610:39 p.m.
DEN
-
YVR
2 stops21h 46m
Multiple Airlines
Deal found 27/4C$ 294
Tue 26/55:00 a.m.
YVR
-
DEN
1 stop5h 20m
WestJet
Thu 28/512:15 p.m.
DEN
-
YVR
2 stops10h 55m
WestJet
Deal found 29/4C$ 296
Fri 5/68:45 a.m.
YYC
-
DEN
Nonstop2h 35m
WestJet
Sun 7/612:15 p.m.
DEN
-
YYC
Nonstop2h 30m
WestJet
Deal found 28/4C$ 298
Wed 13/55:00 a.m.
YVR
-
DEN
1 stop5h 20m
WestJet
Sun 17/512:15 p.m.
DEN
-
YVR
2 stops10h 55m
WestJet
Deal found 28/4C$ 298
Fri 15/55:00 a.m.
YVR
-
DEN
1 stop5h 20m
WestJet
Sun 17/512:15 p.m.
DEN
-
YVR
2 stops10h 55m
WestJet
Deal found 27/4C$ 306

Find flight deals from Canada to Colorado

Keep the following information in mind while searching for Canada to Colorado flight deals. Data was last updated 29 April 2026.

Round-trip from

C$ 242

One-way from

C$ 149

Popular in

February

Cheapest in

November

Average price

C$ 638

Good round-trip deal

C$ 534 or less

Good one-way deal

C$ 273 or less
WestJet
  • WestJet
  • 11/5-15/5
  • Nonstop
  • 5h 05m total
  • Canada to Colorado
Search Deals
WestJet
  • WestJet
  • 18/5
  • Nonstop
  • 2h 35m total
  • Canada to Colorado
Search Deals
Highest demand for flights based on searches. 6% potential increase in price (C$ 54 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (C$ 13 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a round-trip flight from Canada to Colorado.
Search Deals
Price to beat on a one-way flight from Canada to Colorado.
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Canada to Colorado 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 29 April 2026.
Use the filters below to find and compare flights from Canada to Colorado that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 13/5

6:00 a.m.-8:36 a.m.

Nonstop2h 36m

Denver Intl

Sat 16/5

11:19 a.m.-1:53 p.m.

Nonstop2h 34m

C$ 311

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Wed 13/5

8:45 a.m.-11:20 a.m.

Nonstop2h 35m

Denver Intl

Sat 16/5

6:05 a.m.-1:10 p.m.

1 stop7h 05m

C$ 382

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Mon 11/5

8:45 a.m.-11:20 a.m.

Nonstop2h 35m

Denver Intl

Fri 15/5

6:05 a.m.-1:10 p.m.

1 stop7h 05m

C$ 382

EdmontonDenver

YEG - DEN

YEGDEN

Edmonton

Tue 2/6

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

1 stop5h 10m

Denver Intl

Tue 9/6

12:15 p.m.-6:30 p.m.

1 stop6h 15m

C$ 389

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 12/6

8:45 a.m.-11:20 a.m.

Nonstop2h 35m

Denver Intl

Mon 15/6

7:30 a.m.-7:05 p.m.

1 stop11h 35m

C$ 403

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Thu 11/6

8:45 a.m.-11:20 a.m.

Nonstop2h 35m

Denver Intl

Mon 15/6

7:30 a.m.-7:05 p.m.

1 stop11h 35m

C$ 403

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Fri 2/10

7:00 a.m.-11:08 p.m.

1 stop16h 08m

Denver Intl

Tue 6/10

7:50 p.m.-1:39 a.m.

1 stop5h 49m

C$ 422

KelownaDenver

YLW - DEN

YLWDEN

Kelowna

Thu 4/6

5:05 a.m.-11:20 a.m.

1 stop5h 15m

Denver Intl

Sun 7/6

12:15 p.m.-11:30 p.m.

2 stops12h 15m

C$ 422

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 9/6

8:45 a.m.-5:46 p.m.

1 stop9h 01m

Denver Intl

Mon 15/6

7:30 a.m.-7:05 p.m.

1 stop11h 35m

C$ 423

CalgaryDenver

YYC - DEN

YYCDEN

Calgary

Tue 19/5

7:45 a.m.-2:58 p.m.

1 stop7h 13m

Denver Intl

Sun 24/5

5:30 a.m.-11:37 a.m.

1 stop6h 07m

C$ 426

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/4

Showing 1-10 of 60 resultsSorted by cheapest first
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6

Best time to book a flight from Canada to Colorado

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

How far ahead should I book a flight from Canada to Colorado?

To ensure you get the cheapest price possible for a flight from Canada to Colorado, you should look to book at least 76 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Canada to Colorado?

Currently, March is the cheapest month in which you can book a flight from Canada to Colorado (average of C$ 102). Flying from Canada to Colorado in October is currently the most expensive (average of C$ 989). 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 CA to CO?

Find hourly flight availability from Canada to Colorado. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 29 April 2026.

One of the essential ways to save on airfare from Canada to Colorado is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 19% on airfare.

What is the cheapest day to fly from Canada to Colorado?

Use this chart to determine the cheapest time to fly round-trip from Canada to Colorado. Price data was last updated on 25 April 2026.

Travelers seeking maximum savings on their Canada to Colorado flight should consider departing on Sunday afternoons when fares are most often at their lowest. Sunday evenings flights should be avoided if possible as fares are typically the most expensive at this time.

Weekly flight availability from Canada to Colorado

Explore weekly flight availability from Canada to Colorado. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 29 April 2026.

The most flights from CA0 to USCO are scheduled on a Wednesday (7 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (1 on average).

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 29 April 2026.
Read reviews from past customers who have flown Alaska Airlines,Delta, andUnited Airlines from Canada to Colorado. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
7.9
Good
12,319 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Alaska Airlines
7.9
Good
12,319 reviews
Alaska Airlines
7.9
Good
12,319 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Delta
7.9
Good
8,466 reviews
Alaska Airlines
7.9
Good
12,319 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
United Airlines
7.4
Good
9,677 reviews
Alaska Airlines
7.9
Good
12,319 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
WestJet
7.2
Good
3,328 reviews
Alaska Airlines
7.9
Good
12,319 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well
Air Canada
7.1
Good
10,982 reviews
Alaska Airlines
7.9
Good
12,319 reviews
Check prices

Boarding

8.1

Comfort

7.8

Crew

8.5

Food

7.1

Overall

7.9

Entertainment

7.0

Reviews

1 / 20
8.0
Excellent

Eugene,Mar 2026

MFR - SEA

Alaska Airlines is is always good. There where few choices of what to drink, and no food. No blankets, no pillows, and you h ats ok. I just had open heart surgery And i could have used something. But the flight and the crew where exelent. So all is well

Related info for your journey

Find useful and relevant information for your journey from Canada to Colorado. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Canada to Colorado?

    Airlines like United Airlines, Delta, and WestJet fly from Canada to Colorado in about 2h 35m. The time it takes to get you to your destination can typically vary by up to 2h 35m. The distance from Canada to Colorado is about 1445 km. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Canada to Colorado one-way?

    To fly one-way, consider booking your trip with WestJet, which is currently one of the cheapest options available, starting at C$ 95. Air Canada flights start at C$ 146 while deals on United Airlines start at C$ 170 one-way.

  • Can I find deals for flights from Canada to Colorado that include hotel bookings?

    Yes. In addition to deals on Canada to Colorado flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Canada to Colorado?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Canada to Colorado.

  • Can I find deals for business class flights from Canada to Colorado?

    Yes. Cheapflights offers flight deals from Canada to Colorado 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 Canada to Colorado?

    Currently, March is the cheapest month in which you can book a flight from Canada to Colorado (average of C$ 102). Flying from Canada to Colorado in October is currently the most expensive (average of C$ 989). 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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See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Canada to Colorado

Discover the top 6 airlines that operate flights from Canada to Colorado. 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 29 April 2026.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapestC$ 139AverageC$ 290FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
WestJetCheapestC$ 165AverageC$ 505FlexibilityNo cancel feeOn-time60%
Search WestJet flights
United AirlinesCheapestC$ 180AverageC$ 667FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
Air CanadaCheapestC$ 182AverageC$ 675FlexibilityNo cancel feeOn-time67%
Search Air Canada flights
Alaska AirlinesCheapestC$ 390AverageC$ 439FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
American AirlinesCheapestC$ 760AverageC$ 794FlexibilityNo cancel feeOn-time71%
Search American Airlines 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 Canada to Colorado?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Canada to Colorado. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

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

Millions of users choose and trust Cheapflights to book the best flight deals from Canada to Colorado for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Canada to Colorado 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 Canada to Colorado become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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