Cheap flights from Toronto to Denver from C$ 308

In general, September is the cheapest month to fly from Toronto to Denver. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around C$ 663. If you aren’t able to travel during the month of September, then book flights to Denver from Toronto during May instead. Flights to Denver in May, while not as cheap as those in September, still average around C$ 679.

The cheapest day to depart from Toronto to Denver is on a Wednesday. Travellers who choose to depart for Denver on a Wednesday will often find tickets for as low as C$ 723. 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$ 920.

Our most recent data shows that the best time of day to fly to Denver is at noon. Flights from Toronto to Denver during this time can be as low as C$ 754. Try not to purchase tickets in the afternoon because they tend to be around C$ 779. 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 - Denver Intl flight prices

You are more likely to see cheaper flights to Denver from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to Denver for around C$ 716 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Denver from Toronto for as low as C$ 573 on momondo.

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

You could potentially save up to 34% on your flight if you consider stops on a Toronto to Denver flight.

As of October 2026, prices for Toronto to Denver flights are approximately 11% more expensive when compared to flights at the same time last year.

Air Canada and United Airlines are the most popular carriers operating from Toronto to Denver Intl

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Denver from Toronto according to our data. Air Canada is the first choice among our users, with 75% of people opting to fly with this airline when travelling to Denver. Keep in mind that there are 3 different airlines that fly to Denver on a routine basis, so you have a few additional options to choose from.

Calgary (YYC) was the most common stop: 60% of momondo users choosing one-stop flights on this route connected there.

Flights via Calgary (YYC) offer the lowest average round-trip price of C$ 535.

Flights connecting via Chicago (ORD) have the shortest average one-way travel time: 6h 32m.

Chicago (ORD) has the shortest average layover time for this route: 1h 09m.

As of October 2026, there are 4 flights per day flying from Toronto to Denver. The most common time of day flights depart is 6:00p.m., with 42% of flights taking off in the evening.

34 flights are operational weekly from Toronto to Denver as of October 2026. The most popular departure day for this route is Wed, with 26% of flights per week taking off on this day.