Skyscanner home

136 € 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 to Denver International? Find the lowest prices on one-way and return tickets right here.
Denver.136 € per passenger.Departing Sat, 20 Jun, returning Wed, 1 Jul.Return flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Sat, 20 Jun, arriving in Denver International.Inbound direct flight with WestJet departs from Denver International on Wed, 1 Jul, arriving in Calgary.Price includes taxes and charges.From 136 €, select.
Denver.136 € per passenger.Departing Sat, 20 Jun, returning Tue, 23 Jun.Return flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Sat, 20 Jun, arriving in Denver International.Inbound direct flight with WestJet departs from Denver International on Tue, 23 Jun, arriving in Calgary.Price includes taxes and charges.From 136 €, select.
Denver.136 € per passenger.Departing Sat, 11 Jul, returning Sat, 18 Jul.Return flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Sat, 11 Jul, arriving in Denver International.Inbound direct flight with WestJet departs from Denver International on Sat, 18 Jul, arriving in Calgary.Price includes taxes and charges.From 136 €, select.
Denver.143 € per passenger.Departing Tue, 14 Jul, returning Tue, 4 Aug.Return flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Tue, 14 Jul, arriving in Denver International.Inbound direct flight with WestJet departs from Denver International on Tue, 4 Aug, arriving in Calgary.Price includes taxes and charges.From 143 €, select.
Denver.147 € per passenger.Departing Fri, 21 Aug, returning Thu, 3 Sep.Return flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Fri, 21 Aug, arriving in Denver International.Inbound direct flight with WestJet departs from Denver International on Thu, 3 Sep, arriving in Calgary.Price includes taxes and charges.From 147 €, select.
Denver.147 € per passenger.Departing Fri, 21 Aug, returning Sun, 23 Aug.Return flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Fri, 21 Aug, arriving in Denver International.Inbound direct flight with WestJet departs from Denver International on Sun, 23 Aug, arriving in Calgary.Price includes taxes and charges.From 147 €, select.
Denver.182 € per passenger.Departing Wed, 20 May, returning Tue, 26 May.Return flight with WestJet.Outbound direct flight with WestJet departs from Calgary on Wed, 20 May, arriving in Denver International.Inbound direct flight with WestJet departs from Denver International on Tue, 26 May, arriving in Calgary.Price includes taxes and charges.From 182 €, select.
Denver.200 € per passenger.Departing Wed, 15 Apr, returning Thu, 30 Apr.Return flight with WestJet and Frontier Airlines.Outbound indirect flight with WestJet, departs from Calgary on Wed, 15 Apr, arriving in Denver International.Inbound indirect flight with Frontier Airlines, departs from Denver International on Thu, 30 Apr, arriving in Calgary.Price includes taxes and charges.From 200 €, 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 June.
Feb
from 629 €
Mar
from 228 €
Apr
from 200 €
May
from 182 €
Jun
from 136 €
Jul
from 136 €
Aug
from 147 €
Sep
from 205 €
Oct
from 252 €
Nov
from 296 €
Dec
Find prices
Jan
Find prices

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.

Denver Arapahoe Co

1km from central Denver
Closest
Search flights

Broomfield

23km from central Denver
Search flights

Denver International

30km from central Denver
Cheapest
from 136 €
Search flights

Northern Colorado Regional

79km from central Denver
Search flights

Calgary to Denver: Flight information

The things to know before you go.
Cheapest flight found136 €
Cheapest month to flyJuly
Average flight time2 hrs, 36 mins
Most popular airlineUnited
Average flights per week46

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

The best price we found for a return flight from Calgary to Denver International is 136 €. 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.
2 hours and 36 minutes is the average flight time from Calgary to Denver International.
United, Air Canada and Delta fly direct from Calgary to Denver International.
As of February 2026, there are 46 flights per week flying from Calgary to Denver International.
The cheapest month to fly from Calgary to Denver International is usually July.
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 Saturday, 11 July 2026.
Yes – the average flight time is 2 hours and 36 minutes.
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.
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.
Currently, WestJet offers the cheapest flight tickets to Denver International.

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

  • The average length of a direct flight from Calgary International Airport to Denver International Airport is 2 hours 30 minutes.

  • Denver's timezone is UTC-6, which is the same as Calgary.

  • Each week, there are 28 Calgary International Airport to Denver International Airport flights. If you want to be on board as early as possible, pick the 06:19 United Airlines flight. If you'd rather make the most of your day before you fly, the last departure is at 19:15 with United Airlines.

  • For a stress-free journey, arrive at the airport two hours ahead of international flights and one hour before domestic departures. This way, you'll have plenty of time to catch your YYC to DEN flight.

  • Travelling during a peak month such as July? School holidays and other popular periods can result in longer lines and delays at security. Be extra cautious and arrive up to four hours ahead of international flights and two hours before a domestic departure.

  • United Airlines is your ticket to exploring Denver (and maybe even some other exciting corners of United States!). Check out the direct flights from Calgary International Airport to Denver International Airport offered by this popular carrier.

  • The airline with the highest passenger demand on this route is United Airlines.

  • With a dependable 80.33% of services arriving on schedule, United Airlines has the best on-time record for YYC to DEN flights.

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

  • Currently, 87 € is the cheapest price we've seen for a one-way Calgary International Airport to Denver International Airport flight. The best price for a return plane ticket is 136 €. Remember that fares may change due to availability at the time of booking.

  • To pick up cheap tickets from YYC to DEN, book your journey eight months before your departure date.

  • The cheapest month for flights from Calgary International Airport to Denver International Airport is July. Use the 'Whole month' tool to find the lowest prices if you have a flexible travel schedule.

  • Landing cheap flights from YYC to DEN is a breeze with Price Alerts. Simply set up one of these automatic alerts and we'll get in touch as soon as a new deal comes up.

  • Pick your ideal arrival and departure times, number of stops and airlines with the filters. Alternatively, sort your results by 'Cheapest' to get the best deals on flights from Calgary International Airport to Denver International Airport.

Handy information about Calgary International Airport (YYC)

  • YYC is located at 2000 Airport Road Northeast.

  • When it comes to the on-time performance of Calgary International Airport, 65.39% of flights meet their scheduled arrival time.

  • Calgary International Airport is about 16 kilometres from central Calgary. If you're ride-sharing, catching a cab or driving from the centre, it'll take 20 minutes or so to arrive, depending on the traffic.

  • Taking public transport? You can expect a journey time of around 1 hour.

  • Get your holiday off to a relaxed start by staying near YYC. Whether you're taking an early flight from Calgary International Airport to Denver International Airport or just don't want to be rushed, these stays are the answer:

Arriving at Denver International Airport (DEN)

  • Hop off your Calgary International Airport to Denver International Airport flight and jump into your hotel bed soon after. If you're looking for a comfy option that's not too far from DEN, unpack your bags at Baymont by Wyndham Denver International Airport.

  • Pick up a Denver International Airport rental car and discover Denver and beyond with your own set of wheels. Routes Car Rentals, Dollar and Budget are top providers to choose from here.

  • To get the lowest price, reserve your vehicle from Denver International Airport about one week before you set off.

Getting from Denver International Airport (DEN) to central Denver

  • DEN is located at 8500 Pena Boulevard.

  • Denver International Airport to the centre of Denver has a drive time of about 35 minutes. It's approximately 40 kilometres away.

  • If you're taking public transport, expect a journey of about 1 hour 30 minutes.

When to fly to Denver International Airport (DEN)

  • It's time to plan your travel dates for your flight from Calgary International Airport to Denver International Airport. July is the busiest month to head to Denver. If you prefer a more relaxed vibe, go in April.

  • The warmest month in Denver is July, with the temperature ranging between 14ºC (57ºF) and 32ºC (90ºF). Book your flights from Calgary International Airport to Denver International Airport in this month if this is the kind of weather you like.

  • If you'd rather travel in cooler conditions, look for a cheap ticket from YYC to DEN in January. Average temperatures are between -9ºC (16ºF) and 7ºC (45ºF) then.

Explore more of United States

  • You've seen Denver, now it's time to explore more of United States. Journey about 105 kilometres south to Colorado Springs to check off its leading sights. From US Northern Command (USNORTHCOM) / North American Aerospace Defence Command (NORAD) Headquarters to Cheyenne Mountain Air Force Station and National Strength and Conditioning Association (NSCA), there's plenty to keep you on the go.

  • Around 13 kilometres east of Denver, Aurora is another favourite stop in United States. Experience major highlights starting with Magellan's Travel Solutions and Gear, The Fairways at Lowry and Retired Enlisted Association Inc.

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.