Calgary (YYC) to Denver (DEN) flights
2 airlines fly nonstop from Calgary (YYC) to Denver (DEN): United Airlines and WestJet. The two airports are 900 miles (1,448 km) apart. United Airlines is in Star Alliance. There are also 10 ways to fly it with one stop, through Salt Lake City, Regina and Edmonton and more.
Airlines flying nonstop from YYC to DEN
- United AirlinesStar Alliance · bookable with 13 programsWho books it
- WestJetNot in an alliance · bookable with 3 programsWho books it
Book YYC to DEN with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Emirates SkywardsBooks United Airlines, WestJet
- Air Canada AeroplanBooks United Airlines
- Air France-KLM Flying BlueBooks WestJet
- Air New Zealand AirpointsBooks United Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Delta SkyMilesBooks WestJet
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
YYC to DEN with one stop
10 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Salt Lake City (SLC)Delta Air Lines the whole way
+1 - Via Regina (YQR)WestJet, then United Airlines
- Via Edmonton (YEG)Air North, Air Canada and 1 more, then United Airlines4N
- Via Seattle (SEA)Alaska Airlines the whole way
+3 - Via Winnipeg (YWG)Air Canada, WestJet and 1 more, then United Airlines
- Via Portland (PDX)WestJet, then Frontier Airlines, United Airlines and 2 more+1
- Via Vancouver (YVR)Air Canada the whole way
- Via Las Vegas (LAS)WestJet, then Frontier Airlines, United Airlines and 1 more
- Via Minneapolis (MSP)Delta Air Lines the whole way+2
- Via Phoenix (PHX)WestJet and Porter Airlines, then American Airlines, Frontier Airlines and 2 more
+1
YYC to DEN: common questions
Which airlines fly nonstop from YYC to DEN?
United Airlines (Star Alliance) and WestJet fly nonstop from Calgary (YYC) to Denver (DEN).
How far is Calgary from Denver by plane?
Calgary (YYC) and Denver (DEN) are 900 miles (1,448 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book YYC to DEN award flights?
15 programs can book at least one of the nonstop airlines: Emirates Skywards, Air Canada Aeroplan, Air France-KLM Flying Blue, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Delta SkyMiles, EVA Air Infinity MileageLands and 7 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does YYC to DEN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for YYC to DEN with taxes and fees.
Where can I connect between Calgary and Denver?
The most direct connections are through Salt Lake City (SLC), Regina (YQR), Edmonton (YEG), Seattle (SEA) and Winnipeg (YWG). On 4 of them the same airline flies both flights, for example Delta Air Lines through Salt Lake City.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.