Cheap flights from Calgary to Denver International

Compare Calgary to Denver International flight deals

Find the cheapest month or even day of the year to fly to Denver International

Book the best Denver International fare with no extra fees

Flight deals from Calgary to Denver International

Looking for a cheap last-minute deal or the best return flight from Calgary Airport to Denver International Airport? If you want to travel next month, return fares start from P12,429. Find the lowest prices on one-way and return tickets right here.

Denver.P7,079 per passenger.Departing Sun, 30 Aug.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Sun, 30 Aug, arriving in Denver International.Price includes taxes and charges.From P7,079, select.

Denver.P7,682 per passenger.Departing Fri, 2 Oct.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Fri, 2 Oct, arriving in Denver International.Price includes taxes and charges.From P7,682, select.

Denver.P7,761 per passenger.Departing Tue, 7 Jul.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Tue, 7 Jul, arriving in Denver International.Price includes taxes and charges.From P7,761, select.

Denver.P7,799 per passenger.Departing Sun, 6 Sep.One-way flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Sun, 6 Sep, arriving in Denver International.Price includes taxes and charges.From P7,799, select.

Denver.P9,886 per passenger.Departing Tue, 30 Jun.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Calgary on Tue, 30 Jun, arriving in Denver International.Price includes taxes and charges.From P9,886, select.

Denver.P11,788 per passenger.Departing Sun, 14 Feb.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Calgary on Sun, 14 Feb, arriving in Denver International.Price includes taxes and charges.From P11,788, select.

Denver.P11,866 per passenger.Departing Sun, 1 Nov.One-way flight with United.Outbound direct flight with United departs from Calgary on Sun, 1 Nov, arriving in Denver International.Price includes taxes and charges.From P11,866, select.

Denver.P12,077 per passenger.Departing Wed, 30 Dec.One-way flight with Delta.Outbound indirect flight with Delta, departs from Calgary on Wed, 30 Dec, arriving in Denver International.Price includes taxes and charges.From P12,077, select.

Denver.P12,402 per passenger.Departing Sat, 22 May.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Calgary on Sat, 22 May, arriving in Denver International.Price includes taxes and charges.From P12,402, select.

Denver.P12,409 per passenger.Departing Fri, 19 Feb.One-way flight with United.Outbound direct flight with United departs from Calgary on Fri, 19 Feb, arriving in Denver International.Price includes taxes and charges.From P12,409, select.

Denver.P12,445 per passenger.Departing Thu, 3 Jun.One-way flight with Air Canada.Outbound indirect flight with Air Canada, departs from Calgary on Thu, 3 Jun, arriving in Denver International.Price includes taxes and charges.From P12,445, select.

Denver.P12,515 per passenger.Departing Fri, 9 Apr.One-way flight with United.Outbound direct flight with United departs from Calgary on Fri, 9 Apr, arriving in Denver International.Price includes taxes and charges.From P12,515, select.

Denver.P12,751 per passenger.Departing Fri, 1 Jan.One-way flight with Delta.Outbound indirect flight with Delta, departs from Calgary on Fri, 1 Jan, arriving in Denver International.Price includes taxes and charges.From P12,751, select.

Denver.P13,081 per passenger.Departing Fri, 26 Jun.One-way flight with United.Outbound direct flight with United departs from Calgary on Fri, 26 Jun, arriving in Denver International.Price includes taxes and charges.From P13,081, select.

Denver.P13,813 per passenger.Departing Wed, 13 Jan.One-way flight with United.Outbound direct flight with United departs from Calgary on Wed, 13 Jan, arriving in Denver International.Price includes taxes and charges.From P13,813, select.

Denver.P17,927 per passenger.Departing Sat, 19 Dec.One-way flight with United.Outbound direct flight with United departs from Calgary on Sat, 19 Dec, arriving in Denver International.Price includes taxes and charges.From P17,927, select.

Find the cheapest month to fly from Calgary to Denver International

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Calgary to Denver International flights are currently cheapest in August.

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Jan

Feb

Mar

Apr

May

Direct flights from Calgary to Denver International

Calgary to Denver International: Alternative routes

Compare routes from Calgary to Denver below. You may find an airport to fly into that's cheaper, faster, or easier than Denver International.

Calgary to Denver: Flight information

The things to know before you go.

Cheapest flight found	P7,093
Cheapest month to fly	August
Average flight time	2 hrs, 34 mins
Most popular airline	United
Average flights per week	53

Finding cheap flights from Calgary to Denver International: Frequently asked questions

How much are return flights from Calgary to Denver International?

The best price we found for a return flight from Calgary to Denver International is P12,068. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

How long does it take to fly from Calgary to Denver International?

2 hours and 34 minutes is the average flight time from Calgary to Denver International.

Which airlines fly direct from Calgary to Denver International?

United, Air Canada and Aeromexico fly direct from Calgary to Denver International.

How many flights are there a week from Calgary to Denver International?

As of June 2026, there are 53 flights per week flying from Calgary to Denver International.

When is the cheapest time to fly from Calgary to Denver International?

The cheapest month to fly from Calgary to Denver International is usually August.

Which upcoming date is cheapest to fly from Calgary Airport to Denver International Airport on?

After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Calgary Airport to Denver International Airport on Wednesday, 5 August 2026.

Can I get a direct flight from Calgary Airport to Denver International Airport?

Yes – the average flight time is 2 hours and 34 minutes.

How can I find the best flight deal to Denver International?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Denver International but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Denver?

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Denver is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly from Calgary Airport to Denver International with?

Currently, WestJet offers the cheapest flight tickets to Denver International.

Travelling from Calgary Airport (YYC) to Denver International Airport (DEN): what you need to know

The average duration of a direct flight from Calgary Airport to Denver International Airport is 2 hours 35 minutes.
Denver's timezone is UTC-7, which is the same as Calgary.
Flights from YYC to DEN start at 06:14 — the first with United Airlines. The last departure is at 19:30 with United Airlines. In total, you can take your pick of 18 weekly Calgary Airport to Denver International Airport flights.
Your YYC to DEN flight won't wait if you're running late, so get to the airport on time. Arrive up to one hour in advance for domestic flights and two hours ahead for international travel.
During popular months like July, it's best to get to the airport earlier. Plan to arrive two hours before domestic departures and four hours ahead for an international flight whenever you're travelling during peak periods in general.
United is your gateway to exploring Denver (and perhaps some other great corners of the United States!). Browse the direct flights from Calgary Airport to Denver International Airport offered by this popular carrier.
Most travellers choose to fly with United on this route.
United is the most punctual carrier that operates YYC to DEN flights. An exceptional 95.0% of its departures on this route arrive without delay.

How to find the cheapest flights from Calgary Airport (YYC) to Denver International Airport (DEN)

The lowest price we've found for a one-way Calgary Airport to Denver International Airport flight is P7,093. A round-trip fare right now is P12,068. Depending on the availability when you book, these fares can change.
Get cheap tickets from YYC to DEN by booking at least two months ahead. Based on our research, that's the sweet spot for landing a bargain.
The cheapest month for flights from Calgary Airport to Denver International Airport is July. Use the 'Whole month' tool to see the lowest airfares if you have a flexible schedule.
Save time looking for cheap flights from YYC to DEN by creating a Price Alert. You'll receive an email or notification on the app when a special offer becomes available.
Pick your preferred arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to find the best deals on flights from Calgary Airport to Denver International Airport.

Handy information about Calgary Airport (YYC)

You'll find YYC at 2000 Airport Road Northeast.
When it comes to the on-time performance of Calgary Airport, data shows 76% of flights stick to their scheduled arrival time.
Calgary Airport is around 19 kilometers from central Calgary. If you're ride-sharing, catching a taxi or driving from the centre, it'll take you 25 minutes or so to get there, depending on the traffic.
The trip on public transport takes about 45 minutes.
Get your journey off to a relaxed start by staying near YYC. Whether you've booked an early flight from Calgary Airport to Denver International Airport or just don't want to be rushed, these hotels are ideal:

Arriving at Denver International Airport (DEN)

Consider staying at Baymont by Wyndham Denver International Airport after touching down from your Calgary Airport to Denver International Airport flight. It's not too far from DEN and a comfy option if you're eager to relax as soon as possible.
Pick up a Denver International Airport rental car and discover Denver and beyond with your own wheels. Routes Car Rentals, Dollar and Budget are well-known companies you can book with here.
Reserving your vehicle from Denver International Airport around one week in advance gives you the best shot at securing a great deal.

Getting from Denver International Airport (DEN) to central Denver

DEN is located at 8500 Pena Boulevard.
Denver International Airport is roughly 40 kilometers from the centre of Denver. The drive time takes about 35 minutes.
Travelling by public transport takes around 35 minutes.

When to fly to Denver International Airport (DEN)

July is the most popular month for flights from Calgary Airport to Denver International Airport. To avoid the crowds, travel to Denver in January.
The warmest month in Denver is July, with temperatures ranging between 14ºC (57ºF) and 32ºC (90ºF). Lock in your flights from Calgary Airport to Denver International Airport in this month if this is the kind of weather you like.
January sees average temperatures of between -9ºC (16ºF) and 7ºC (45ºF). Search for cheap tickets from YYC to DEN sometime then if you want to travel in cooler conditions.

Explore more of the United States

You've done Denver, now it's time to explore other parts of the United States. Travel about 105 kilometers south to Colorado Springs to check off its leading attractions. From Garden of the Gods to Pikes Peak Region Attractions and Red Rock Canyon, you'll have a packed itinerary ahead.
Around 13 kilometers east of Denver, Aurora is another essential stop in the United States. Experience this destination's highlights firsthand at Plains Conservation Centre, DeLaney Homestead Historic District and Aircraft viewing.