Cheap flights from Denver to Toronto from $137

The month of January is, on average, the cheapest month to fly to Toronto from Denver, with most prices found around $129. If you are unable to visit Toronto during the month of January, then departing from Denver during the month August is also very affordable. Most momondo users find prices during this month for around $151.

On average, the least expensive day to fly to Toronto from Denver is on a Thursday. momondo users have found tickets for Thursday departures for as low as $700. However, this price may fluctuate depending on the airline, the season, and holidays. The most expensive day to fly to Toronto is Sunday, with ticket prices averaging around $810.

At noon is the cheapest time of day to fly from Denver to Toronto when you can find flight prices for as low as $705. Flying to Toronto at noon is an ideal time because this is during off-peak travel hours. Flights to Toronto are more costly in the afternoon, with an average ticket price of $793. Departure times in the afternoon fall within the peak daily travel times, which is why tickets can be more expensive.

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

You are more likely to see cheaper flights to Toronto from Denver when booking weeks ahead of your departure date. In general, you can expect to find flights to Toronto for around $578 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Toronto from Denver for as low as $452 on momondo.

There are 4 cabin classes available to choose from on Denver to Toronto 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 3% on your flight if you consider stops on a Denver to Toronto flight.

As of July 2026, prices for Denver to Toronto flights are approximately 29% more expensive when compared to flights at the same time last year.

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

Air Canada, United Airlines and WestJet are the top three most popular airlines that fly to Toronto from Denver according to our data. Air Canada is the first choice among our users, with 55% of people opting to fly with this airline when traveling to Toronto. Keep in mind that there are 3 different airlines that fly to Toronto on a routine basis, so you have a few additional options to choose from.

Detroit (DTW) was the most common stop: 50% of momondo users choosing 1-stop flights on this route connected there.

Flights via Minneapolis (MSP) offer the lowest average round-trip price of $561.

Flights connecting via Detroit (DTW) have the shortest average one-way travel time: 4h 52m.

Detroit (DTW) has the shortest average layover time for this route: 0h 39m.

As of July 2026, there are 9 flights per day flying from Denver to Toronto. The most common time of day flights depart is 11:00AM, with 57% of flights taking off at noon.

63 flights are operational weekly from Denver to Toronto as of July 2026. The most popular departure day for this route is Mon, with 16% of flights per week taking off on this day.