Cheap flights from Canada to Denver from $135

The cheapest month to fly to Denver from Canada is in November. Flight prices, which tend to average around $394, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in November, then you should wait until August to fly from Canada, when ticket prices are also cheap, with an average price of $414.

The cheapest day to depart on your flight to Denver is on a Friday when prices can be found for as low as $432. This is often the case because there is less demand to fly during this day of the week. The most expensive day to fly to Denver is Monday, with ticket prices averaging around $624.

The cheapest time of day to fly to Denver is in the morning when flights can be purchased for as low as $512. Flights in the afternoon are often more expensive with an average ticket price of $526.

Fly from Calgary to Denver Intl for the best Canada - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around $471 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Canada for as low as $345 on momondo.

There are 4 cabin classes available to choose from on Canada to Denver Intl flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Delta, United Airlines, and Alaska Airlines are the most popular carriers operating from Canada to Denver Intl

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Denver from Canada according to our data. Air Canada is the first choice among our users, with 53% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 4 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

The number of flights available between Canada and Denver is 30 per day as of March 2026. The most frequent departure time is 8:00AM, with 66% of daily flights leaving in the afternoon.

As of March 2026, there are 213 flights per week flying from Canada to Denver. The most common day of the week flights depart is Mon, with 15% of flights taking off on this day.