Cheap flights from Toronto to Colorado from C$ 228

The cheapest month to fly to Colorado from Toronto is in September. Flight prices, which tend to average around C$ 672, are often lower during this time because this is during the off-season. If you don’t want to visit Colorado in September, then you should wait until May to fly from Toronto, when ticket prices are also cheap, with an average price of C$ 678.

The cheapest day to depart on your flight to Colorado is on a Wednesday when prices can be found for as low as C$ 724. This is often the case because there is less demand to fly during this day of the week. On the other hand, Monday is the most expensive day to depart from Toronto because it is more convenient for both business and leisure travellers. As a result, prices tend to be around C$ 911.

According to our data, the cheapest time of day to fly to Colorado is at noon. momondo users have found flights departing from Toronto to Colorado at noon for as low as C$ 773. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Try not to purchase tickets in the afternoon because they tend to be around C$ 785. Of course, these prices can vary depending on the time of year and what airport you fly to.

Fly from Toronto Pearson Intl to Denver Intl for the best Toronto - Colorado flight prices

You are more likely to see cheaper flights to Colorado from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to Colorado for around C$ 718 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Colorado from Toronto for as low as C$ 577 on momondo.

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

Porter Airlines, United Airlines, and Delta are the most popular carriers operating from Toronto to Colorado

Air Canada, United Airlines and American Airlines are the top three most popular airlines that fly to Colorado from Toronto according to our data. Air Canada is the first choice among our users, with 71% of people opting to fly with this airline when travelling to Colorado. Keep in mind that there are 4 different airlines that fly to Colorado on a routine basis, so you have a few additional options to choose from.

As of September 2026, 7 flights take off from Toronto and land in Colorado each day. The most common flight departure time for this route is 6:00p.m., with 43% of daily flights taking off in the evening.

As of September 2026, 54 flights take off from Toronto and land in Colorado each week. The most common flight departure day for this route is Wed, with 17% of weekly flights taking off on this day.