$107 Cheap United flights Calgary (YYC) to Denver (DEN)

Scoring cheap one-way United Airlines flights from YYC to DEN from $107 on Expedia couldn’t be simpler — just filter by “Price (lowest to highest).” Or check out our affordable return fares from $161 for your next break.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

Search for round-trip or one-way flights to Denver in January or November. You could find an affordable fare with United Airlines during these off-peak times.

To grab affordable flights from YYC to DEN with United Airlines, start your search about one month before your intended departure. You can save 17% when you lock in your international tickets 18 to 29 days ahead instead of booking four to five months in advance. Another helpful tip? Booking on Sunday offers average savings of 17% compared to Friday (the most expensive day).**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

United Airlines operates direct flights from Calgary Intl. Airport (YYC) to Denver Intl. Airport (DEN), with 14 departures every week. Simply choose the “Nonstop” and “Airline” filters during your search on Expedia to show all direct United Airlines flights to DEN.

It takes around 2h 34m to fly nonstop from Calgary Intl. Airport (YYC) to Denver Intl. Airport (DEN) with United Airlines.

If flexibility is what you’re after, Thursday offers the most choice for United Airlines flights from Calgary Intl. Airport (YYC) to Denver Intl. Airport (DEN). You can pick from 2 different departures.

The earliest flight from YYC to DEN with United Airlines leaves at 6:19AM UTC-7. You’ll touch down at 8:57AM UTC-7. The final United Airlines flight of the day leaves at 2:09PM UTC-7 and arrives at 4:40PM UTC-7. With approximately 20% fewer cancellations for departures before midday, jetting out early is typically the best choice.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Denver Intl. Airport (DEN) is the primary Denver gateway for United Airlines flights from Calgary Intl. Airport (YYC).

A rewarding loyalty program and the chance to rack up points through United Mileage Plus are the start of the reasons to leave from YYC to DEN with United Airlines. Plus, when you sign up to Expedia’s free One Key™ program, you can earn OneKeyCash™* alongside any airline loyalty program earnings. It’s yours to use wherever your next trip takes you.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

United Airlines typically uses Boeing 737-800 planes for flights from Calgary Intl. Airport (YYC) to Denver Intl. Airport (DEN). Keep in mind that aircraft type can change depending on operational needs, so the plane you’ll be on might be different on the day.

Changes are generally free within 24 hours of booking, but your airline may add a charge after that. For further details about modifying your reservation, check out your “Trips,” select your flight and click on “Manage Booking.” If you want the flexibility to update your itinerary without extra charges, apply the “Changes included” or “No cancel fee” filter when organizing your next trip.