Cheap flights from Calgary to Denver from C$ 141
This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Calgary to Denver departing on 8/7. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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WestJet flights from Calgary to Denver
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United Airlines flights from Calgary to Denver
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How to get the cheapest flight ticket from Calgary to Denver
Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip
What is the cheapest month to fly to Denver?
In general, June is the cheapest month to fly from Calgary to Denver. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 254. If you aren’t able to travel during the month of June, then book flights to Denver from Calgary during July instead. Flights to Denver in July, while not as cheap as those in June, still average around C$ 297.
What is the cheapest day to depart on your flight to Denver?
The cheapest day to depart from Calgary to Denver is on a Thursday. Travellers who choose to depart for Denver on a Thursday will often find tickets for as low as C$ 706. On the other hand, Sunday is the most expensive day to depart from Calgary because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 796.
What is the cheapest time of day to depart on your flight to Denver?
Our most recent data shows that the best time of day to fly to Denver is in the evening. Flights from Calgary to Denver during this time can be as low as C$ 683. Try not to purchase tickets in the morning because they tend to be around C$ 762. Of course, these prices can vary depending on the time of year and what airport you fly to.
What is the cheapest Calgary to Denver Intl flight route?
Fly from Calgary to Denver Intl for the best Calgary - Denver Intl flight prices
How far in advance should I book a flight to Denver?
You are more likely to see cheaper flights to Denver from Calgary when booking 19 weeks ahead of your departure date. In general, you can expect to find flights to Denver for around C$ 382 when searching 19 weeks out.However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Calgary for as low as C$ 273 on momondo.
What cabin class options are available on Calgary to Denver Intl flights?
There are 4 cabin classes available to choose from on Calgary to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.
What is the cheapest airline that flies from Calgary to Denver Intl?
WestJet, United Airlines, and Air Canada are the most popular carriers operating from Calgary to Denver Intl
Which airlines fly to Denver?
WestJet, Air Canada and United Airlines are the top three most popular airlines that fly to Denver from Calgary according to our data. WestJet is the first choice among our users, with 39% of people opting to fly with this airline when travelling to Denver. Keep in mind that there are 4 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.
How many flights depart from Calgary to Denver on average per day?
As of June 2025, there are 9 flights per day flying from Calgary to Denver. The most common time of day flights depart is 8:00a.m., with 48% of flights taking off at noon.
How many flights depart from Calgary to Denver on average per week?
64 flights are operational weekly from Calgary to Denver as of June 2025. The most popular departure day for this route is Fri, with 22% of flights per week taking off on this day.
When to book flights from Calgary to Denver
Cheap Calgary to Denver (YYC to DEN) flight deals and tips
Find info about flight duration, direct flights, and airports for your flight from Calgary to Denver
How far is Calgary to Denver Intl by plane?
The distance between Calgary and Denver Intl is about 1440.3 km. Typically, this will take 2h 28m by plane in normal conditions.
When did momondo last update prices for flights from Calgary Airport to Denver Intl Airport?
Prices for flights from Calgary Airport to Denver Intl Airport refresh daily.
How many operators does momondo search for flights from Calgary Airport to Denver Intl Airport?
There are 4 operators available for flights from Calgary Airport to Denver Intl Airport as of June 2025.
How old do you have to be to fly from Calgary Airport to Denver Intl Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Calgary Airport to Denver Intl Airport.
What documentation or ID do you need to fly to Denver Intl Airport?
The travel and health documents required for your trip to Denver Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Denver Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.
What is the most popular plane model from Calgary to Denver?
Based on momondo bookings for this flight route, the most popular plane model on flight routes from Calgary to Denver is Boeing 737-800 (44.92% of total bookings). The next most popular plane models are Boeing 737 MAX 8 (17.56%), Boeing 737-700 Passenger/BBJ1 (winglets) (8.04%), and Boeing 787-9 Dreamliner (6.49%).
What is the most popular airline from Calgary to Denver?
Based on momondo bookings for flights between Calgary and Denver, the leading airline is WestJet, making up 40% of the total bookings. Other popular airlines include Air Canada with 36%, United Airlines with 24%, and Delta with 1%.
Best airlines flying from Calgary to Denver
Compare and see reviews for airlines that fly from Calgary to Denver with momondo
| Airline | Rating | Free Cancellation | Price | ||
|---|---|---|---|---|---|
| PriceFrom C$ 166 | Free Cancellation | Rating 7.2 2,862 reviews | |||
| PriceFrom C$ 180 | Free Cancellation | Rating 7.1 9,484 reviews | |||
| PriceFrom C$ 192 | Free Cancellation | Rating 7.4 8,768 reviews | |||
| PriceFrom C$ 235 | Free Cancellation | Rating 8.0 7,955 reviews |
Delta Flights From Calgary to Denver
Delta is one of the most popular airlines flying from Calgary to Denver, operating 8 flights/week on average for this route. A good Delta flight deal for Calgary to Denver starts from C$ 171 round-trip, up to an average price of C$ 265. Our users have rated Delta at 8.0/10.
United Airlines Flights From Calgary to Denver
United Airlines (7.4/10 from 8,767 reviews) operates around 21 flights from Calgary to Denver in any given week. The average United Airlines airfare for this route is around C$ 324, with deals from around C$ 140 rare but found on momondo. Referenced prices are for round-trip Calgary to Denver flight searches in the last 72 hours.
Travelling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsWhy use momondo?
Why should I use momondo to find a flight deal from Calgary to Denver?
momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Calgary to Denver. momondo saves you time and could save you money on your trip.
Can I find flights from Calgary to Denver with flexible booking policies on momondo?
Yes. momondo enables you to select and highlight flights to Denver from Calgary with this policy.
How can momondo help me find flights from Calgary to Denver?
Once all potential Calgary to Denver flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.
I’m not ready to book a flight from Calgary to Denver right now. Can momondo alert me if prices change?
Yes. momondo can track prices for Calgary to Denver flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.