Cheap Flights from Calgary, AB to Denver, CO from $104

Return flight: Denver – Calgary

On Cheapflightsplus.com you will find 12 direct and 859 connecting flights from Calgary to Denver. You can compare airfare deals from 10 airlines and multiple travel sites from $104, book and save on cheap plane tickets and last minute offers. Also check out YYC-DEN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Calgary to Denver Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $104 (one-way), $178 (round-trip).
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights
Full flight schedule will help you in detecting at what time planes fly from Calgary to Denver. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
Departure Arrival Flight Details Flight Duration Price
06:15 — 08:42
06:15 — 08:42 UA550 United Airlines
Calgary — Denver
2h 27m
Find flight
from$115
06:15 — 08:49
06:15 — 08:49 AC5324 Air Canada
Calgary — Denver
2h 34m
Find flight
from$130
08:55 — 11:26
08:55 — 11:26 WS1570 WestJet
Calgary — Denver
2h 31m
Find flight
from$104
13:30 — 16:04
13:30 — 16:04 AC3254 Air Canada
Calgary — Denver
2h 34m
Find flight
from$150
13:30 — 15:58
13:30 — 15:58 UA1953 United Airlines
Calgary — Denver
2h 28m
Find flight
from$253
13:30 — 16:04
13:30 — 16:04 AC3283 Air Canada
Calgary — Denver
2h 34m
Find flight
from$415
16:20 — 18:51
16:20 — 18:51 WS1568 WestJet
Calgary — Denver
2h 31m
Find flight
from$104
17:05 — 19:35
17:05 — 19:35 UA1469 United Airlines
Calgary — Denver
2h 30m
Find flight
from$115
19:30 — 22:04
19:30 — 22:04 UA355 United Airlines
Calgary — Denver
2h 34m
Find flight
from$109
19:30 — 22:04
19:30 — 22:04 AC4011 Air Canada
Calgary — Denver
2h 34m
Find flight
from$130
19:30 — 22:04
19:30 — 22:04 AC3056 Air Canada
Calgary — Denver
2h 34m
Find flight
from$150
19:30 — 22:04
19:30 — 22:04 UA2145 United Airlines
Calgary — Denver
2h 34m
Find flight
from$253
07:00 — 21:28
07:00 — 07:40 AC203 Air Canada
Calgary — Vancouver
9h 50m stop
17:30 — 21:28 AC3098 Air Canada
Vancouver — Denver
14h 28m
including layover
Find flight
from$149
07:00 — 16:38
07:00 — 07:40 AC203 Air Canada
Calgary — Vancouver
5h 5m stop
12:45 — 16:38 AC576 Air Canada
Vancouver — Denver
9h 38m
including layover
Find flight
from$168
08:25 — 16:38
08:25 — 09:05 AC205 Air Canada
Calgary — Vancouver
3h 45m stop
12:45 — 16:38 AC576 Air Canada
Vancouver — Denver
8h 13m
including layover
Find flight
from$148
09:55 — 10:17
+1 day
09:55 — 11:56 WS1508 WestJet
Calgary — San Francisco
18h 41m stop
06:37 — 10:17 F91230 Frontier Airlines
San Francisco — Denver
24h 22m
including layover
Find flight
from$195
10:15 — 16:38
10:15 — 10:55 AC209 Air Canada
Calgary — Vancouver
1h 50m stop
12:45 — 16:38 AC576 Air Canada
Vancouver — Denver
6h 23m
including layover
Find flight
from$148
10:30 — 13:17
+1 day
10:30 — 14:07 WS1610 WestJet
Calgary — Minneapolis
21h 59m stop
12:06 — 13:17 SY653 Sun Country Airlines
Minneapolis — Denver
26h 47m
including layover
Find flight
from$187
11:00 — 00:21
+1 day
11:00 — 13:20 WS1564 WestJet
Calgary — San Diego
7h 17m stop
20:37 — 00:21 F94990 Frontier Airlines
San Diego — Denver
13h 21m
including layover
Find flight
from$209
11:05 — 09:03
+1 day
11:05 — 16:00 WS1426 WestJet
Calgary — Nashville
15h stop
07:00 — 09:03 F91783 Frontier Airlines
Nashville — Denver
21h 58m
including layover
Find flight
from$207
12:00 — 19:23
12:00 — 12:40 AC211 Air Canada
Calgary — Vancouver
2h 50m stop
15:30 — 19:23 AC578 Air Canada
Vancouver — Denver
7h 23m
including layover
Find flight
from$148
12:30 — 18:01
12:35 — 13:29 AC8134 Air Canada
Calgary — Edmonton
1h 54m stop
15:27 — 18:20 AC4159 Air Canada
Edmonton — Denver
5h 31m
including layover
Find flight
from$128
14:55 — 09:51
+1 day
14:55 — 17:17 WS1514 WestJet
Calgary — Los Angeles
12h 58m stop
06:15 — 09:57 F93156 Frontier Airlines
Los Angeles — Denver
18h 56m
including layover
Find flight
from$202
15:15 — 09:54
+1 day
15:15 — 17:15 WS1522 WestJet
Calgary — San Francisco
13h stop
06:15 — 09:54 F91230 Frontier Airlines
San Francisco — Denver
18h 39m
including layover
Find flight
from$190
00:55 — 16:36
00:55 — 07:10 AC316 Air Canada
Calgary — Montreal
1h 10m stop
08:20 — 09:52 AC521 Air Canada
Montreal — Chicago
4h 52m stop
14:44 — 16:36 F92209 Frontier Airlines
Chicago — Denver
15h 41m
including layover
Find flight
from$204
09:10 — 07:13
+1 day
09:10 — 10:24 WS262 WestJet
Calgary — Saskatoon
4h 51m stop
15:15 — 18:24 WS1900 WestJet
Saskatoon — Minneapolis
11h 35m stop
06:00 — 07:19 F91149 Frontier Airlines
Minneapolis — Denver
22h 3m
including layover
Find flight
from$215
14:00 — 04:00
+1 day
14:00 — 14:35 WS117 WestJet
Calgary — Vancouver
3h stop
17:35 — 20:21 WS1794 WestJet
Vancouver — Las Vegas
4h 38m stop
00:59 — 04:00 F91994 Frontier Airlines
Las Vegas — Denver
14h
including layover
Find flight
from$213
15:00 — 04:00
+1 day
15:00 — 15:35 WS119 WestJet
Calgary — Vancouver
2h 10m stop
17:35 — 20:21 WS1794 WestJet
Vancouver — Las Vegas
4h 28m stop
00:59 — 04:01 F91994 Frontier Airlines
Las Vegas — Denver
13h
including layover
Find flight
from$213
17:55 — 10:12
+1 day
17:55 — 18:26 AC223 Air Canada
Calgary — Vancouver
3h 14m stop
21:40 — 22:55 AC8656 Air Canada
Vancouver — Portland
7h 40m stop
06:35 — 10:13 F91790 Frontier Airlines
Portland — Denver
16h 17m
including layover
Find flight
from$211
*Departure and arrival times - local. Updated on August 8, 2025

Flight Information

Below we will explain in detail what the flights cost on the destination from Calgary to Denver depends on and how to choose the most interesting flight option for you.

Distance between Calgary and Denver is 1445 miles. Time difference between the cities is 0h. Airplanes depart 00:20 to 23:55 from 1 Calgary airport and arrive 00:20 to 23:55 to 2 Denver airports. Average flight time is 2h 34m.

  • The fastest flight 2h 27m
  • Average flight time 2h 34m
  • The earliest flight 00:20
  • The latest flight 23:55
  • Distance 898 ml

The cheapest months to travel to Denver are may (from 104 $), june (from 106 $), august (from 115 $).

The most expensive months are february (from 275 $), november (from 255 $), december (from 226 $).

What is the lowest airfare Calgary to Denver?

The cheapest plane ticket found by our users is $104. This airfare is for economy class on one-way WS1570 flight by WestJet for June 29, 2025 which leaves Calgary Int. in Calgary at 08:55 am and arrives at Denver Denver International at 11:26.

Economy class
$104
Find
Business class
?
Find
First class
?
Find

Popular Airlines on the Route

The flight Calgary — Denver is served by 10 regular airlines and 2 low-cost airlines. Most of the flights on this route are operated by Air Canada - 100 departures per week at the price of from $ 128 . And the most expensive tickets are offered by SWISS International Air Lines airline - from $ 4779.

Direct flights

There are 12 nonstop flights on the route. The fastest direct flight is UA550 by United Airlines takes 2h 27m and the cheapest is WS1570 by WestJet for $104.

  • AC - Air Canada
    from $130
    Find
  • WS - WestJet
    from $104
    Find
  • UA - United Airlines
    from $109
    Find
See more direct flights

Connecting Flights

There are 859 flights with layovers on the route. The fastest connecting flight is WS6336 by WestJet takes 5h 10m and the cheapest is WS1570 by WestJet for $128.

  • AC - Air Canada
    from $128
    Find
  • AS - Alaska Airlines
    from $219
    Find
  • F8 - Freedom Airlines
    from $221
    Find
  • PD - Porter Airlines
    from $291
    Find
  • OS - Austrian Airlines
    from $2956
    Find
  • 4N - Air North
    from $304
    Find
  • WS - WestJet
    from $187
    Find
  • UA - United Airlines
    from $285
    Find
  • AM - Aeromexico
    from $484
    Find
  • LX - SWISS International Air Lines
    from $4779
    Find
See more connecting flights

Airports

You can fly from Calgary to Denver from 1 airports (Calgary Int.).

Calgary airports

  • Calgary Int.-YYC
    from $104
    Find

Denver airports

  • Denver International-DEN
    Find
  • Arapahoe Co-APA
    Find

How to book a plane ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected flight ticket.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

Back