Cheap flights from Canada to Denver from $125

The cheapest month to fly to Denver from Canada is in October. Flight prices, which tend to average around $399, are often lower during this time because this is during the off-season. If you don’t want to visit Denver in October, then you should wait until September to fly from Canada, when ticket prices are also cheap, with an average price of $407.

The cheapest day to depart on your flight to Denver is on a Thursday when prices can be found for as low as $528. 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 Saturday, with ticket prices averaging around $623.

The cheapest time of day to fly to Denver is at noon when flights can be purchased for as low as $520. Flights in the afternoon are often more expensive with an average ticket price of $575.

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 $495 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 $408 on momondo.

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

WestJet, Air Canada, and United 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 54% of people opting to fly with this airline when traveling to Denver. Keep in mind that there are 5 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 37 per day as of August 2026. The most frequent departure time is 8:00AM, with 44% of daily flights leaving at noon.

As of August 2026, there are 261 flights per week flying from Canada to Denver. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.