Calgary to Denver, CO flights from $171

Flights starting at $171. Choose between WestJet, Frontier Airlines, or Air Canada to find the best price.

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Round trips

Updated:

One-way trips

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Calgary YYCLas Vegas LASDenver DEN

Multiple carriers

$171
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Calgary YYCPhoenix PHXDenver DEN

Multiple carriers

$187

Updated:

1446 km
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Travelers usually depart from Calgary International, or Calgary - Centex Memorial Drive when they travel from Calgary to Denver. Book your trip to arrive at Denver International, Denver Union Station, Rocky Mountain Metropolitan Airport, or Centennial Airport. The distance between Calgary and Denver is 1446 km. The most popular airlines for this route are WestJet, Frontier Airlines, Air Canada, United Airlines, and Flair Airlines. Calgary and Denver have 401 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights4444444
Fly direct with

Air Canada on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Calgary to Denver

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
WestJetWJAWSNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight
Air CanadaACAACYesNo
United AirlinesUALUAYesNo
Flair AirlinesFLEF8YesOpens 24 days before flight
Closes 1 hours before flight

United States COVID-19 travel restrictions

Your trip summary

Most travellers from Calgary, YYC can enter Denver, DEN, but there are restrictions.

Departure

Visa requirements
  • Visa is not required
Forms and documents
  • Mandatory proof of COVID-19 vaccination for United States
  • Proof of negative pre-departure COVID-19 test results or recovery certificate may be required
  • Mandatory travel attestation form
  • Travel attestation form may be required for travellers with certain travel history

Return

Travel restrictions
  • Travel is allowed
  • Proof of negative pre-departure COVID-19 test results is not required
  • Quarantine is not required
Visa requirements
  • Visa is not required

Information is provided as guidance only and accurate at the time of publishing. Always check government websites and airline materials before booking and traveling.

Learn more about COVID-19 restrictions in United States in our dedicated Stories article.

Frequently asked questions

How long does it take to travel from Calgary to Denver?
A one-way nonstop (direct) flight between Calgary and Denver takes around 2.4 hours.
What is the flight distance between Calgary and Denver?
The flight distance between Calgary and Denver is 1446 km.
What airlines offer nonstop (direct) flights between Calgary and Denver?
Several carriers operate flights between Calgary and Denver. Airlines offering nonstop (direct) flights include Air Canada, United Airlines.
What are the most popular routes to and from Calgary?
Travelers frequently search for route combinations, such as Calgary and New York, Orlando, Las Vegas, Chicago, Miami, Los Angeles, Atlanta, Mexico City, Bogotá, Dallas, Phoenix, Philadelphia, San Francisco, Cancún, Houston, San Juan, Washington, D.C., Dhaka, Fort Lauderdale, London.
What are the most popular routes to and from Denver?
Travelers frequently search for route combinations, such as Denver and Toronto, Montreal, Vancouver, Kuwait City, Winnipeg, Edmonton, Ottawa, Kelowna, Quebec City, Victoria, Saskatoon, Lima.
What airports are near Calgary?
The main airport in Calgary is Calgary International. It is also served by Calgary International, Lethbridge.
What airports are near Denver?
The main airport in Denver is Denver International. It is also served by Pueblo Memorial, Colorado Springs, Eagle County Regional, Laramie Regional, Cheyenne Regional.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Calgary and Denver?
Yes, it's possible to combine different modes of transport between Calgary and Denver thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Calgary and Denver can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
What is Virtual Interlining and how do I use it?
Virtual Interlining provides a revolutionary way of traveling. You can combine different modes of transport like flights, trains, and buses into one itinerary. And this often saves money. Thanks to the world's largest carrier database, the Kiwi.com search function enables anyone to mix and match different modes of transport easily.
Which airlines fly between Calgary and Denver?
When's the best time to travel between Calgary and Denver?
What flights operate between Calgary and Denver?
How many airports are there near Calgary?
How many airports are there near Denver?
What time do nonstop (direct) flights between Calgary and Denver depart?
What time do nonstop (direct) flights between Calgary and Denver arrive?
What time do flights between Calgary and Denver depart?
What time do flights between Calgary and Denver arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

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