International route
Cheap flights from Calgary to Denver
Calgary International Airport (YYC) to Denver International Airport (DEN). 899 miles, 2h 15m nonstop.
YYC to DEN at a glance
Computed from airline schedules and the fares we track for this route. Refreshed several times a day.
- Distance
- 899 milesgreat-circle
- Typical flight time
- 2h 15mnonstop, gate to gate
- Nonstop airlines
- UAWNB6AS11 airlinesUnited, Southwest, JetBlue
- Nonstop flights per day
- 18all airlines combined
- Cheapest month
- January 2027over the next six months
- Best day to fly
- Tuesday20% less than Sunday
- Time difference
- Same time zone
Calgary to Denver
Round trips from $89
Per traveler, taxes and fees included. Lowest fare we found departs Tue, Jan 19.
Cheapest month: January 2027
See fares on these datesLock any fare free — pay only when you accept your last-minute deal
Or ask an agent on WhatsAppCalgary to Denver fares by month
Lowest round-trip economy fare per traveler in each of the next six months, taxes and fees included. Select a month to search that date.
Airlines flying Calgary to Denver
11 airlines fly nonstop with 18 departures a day combined, plus 1 more with one stop.
- UAUnited AirlinesStar AllianceNonstop · 3 flights a day · first checked bag from $40
- WSWestJetNonstop · 3 flights a day · first checked bag from $35
- ACAir CanadaStar AllianceNonstop · 2 flights a day · first checked bag from $35
- F9Frontier AirlinesLow-costNonstop · 2 flights a day · first checked bag from $55
- WNSouthwest AirlinesLow-costNonstop · 2 flights a day · first checked bag from $35
- ASAlaska AirlinesoneworldNonstop · 1 flight a day · first checked bag from $35
- G4Allegiant AirLow-costNonstop · 1 flight a day · first checked bag from $50
- MXBreeze AirwaysLow-costNonstop · 1 flight a day · first checked bag from $45
- B6JetBlueNonstop · 1 flight a day · first checked bag from $40
- NKSpirit AirlinesLow-costNonstop · 1 flight a day · first checked bag from $55
- SYSun Country AirlinesLow-costNonstop · 1 flight a day · first checked bag from $45
- DLDelta Air LinesSkyTeamConnecting via SLC · first checked bag from $35
Connecting options
Hubs where one airline can carry you on both legs, most choices first.
- Salt Lake City (SLC)DL1 airline
Tips for this route
- United, Southwest, JetBlue and Alaska all fly YYC to DEN nonstop, so compare the total with bags before picking the lowest base fare: the difference between a basic and a standard economy ticket is often less than one checked bag each way.
- January 2027 is the cheapest month to fly over the next six months, with round trips from $89; September 2026 is the most expensive at $119 and up, a difference of $30 per traveler.
- Departing on a Tuesday averages 20% less than a Sunday on this route. If your dates are flexible, shift the outbound by a day or two and check the calendar view before you book.
- Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays.
Destination guide
Denver: Mile-high base camp for the Rockies
Denver International is the third-busiest airport in the country and a hub for United, Southwest and Frontier, which keeps fares low from every direction. The city itself is a lively base for the Rockies, with ski resorts 90 minutes away.
Best time to visit: June–September for hiking and Red Rocks concerts; December–March for skiing. Spring can swing from snow to 70°F in a week; September is dependably dry and golden.
Flying the other way? Denver to CalgaryFares, airlines and tips for DEN to YYC.Ready to compare live fares?
See every airline on YYC–DEN side by side with bags and seat rules spelled out.
Search Calgary to DenverCalgary to Denver: common questions
How long is the flight from Calgary to Denver?
A nonstop flight from Calgary (YYC) to Denver (DEN) takes about 2h 15m gate to gate, covering 899 miles. Connecting itineraries add the layover, typically 2 to 5 hours more in total.
Which airlines fly nonstop from YYC to DEN?
United Airlines, Southwest Airlines, JetBlue, Alaska Airlines, Spirit Airlines, Frontier Airlines, Allegiant Air, Sun Country Airlines, Breeze Airways, Air Canada and WestJet operate nonstop flights from Calgary (YYC) to Denver (DEN), with 18 nonstop departures a day between them. One-stop options connect through SLC.
What is the cheapest month to fly from Calgary to Denver?
Over the next six months, January 2027 has the lowest round-trip fares from Calgary (YYC) to Denver (DEN), starting at $89 per traveler including taxes and fees. Within any month, Tuesday departures average the lowest prices.
How far in advance should I book Calgary to Denver flights?
Book 6 to 12 weeks ahead; fares climb in the last three weeks and around holidays. Air1 Tickets includes free cancellation within 24 hours of booking on every fare, so you can lock in a good price and keep looking.
What is the time difference between Calgary and Denver?
Denver is in the same time zone as Calgary, so there is no clock change. YYC is on America/Edmonton time and DEN on America/Denver time. Departure and arrival times in search results are always shown in local time at each airport.
Related routes
Other popular city pairs from the same departure city and to the same destination, with the lowest round-trip fares we found.