Cheap flights from Toronto to the United States from C$ 143

The month of January is, on average, the cheapest month to fly to United States from Toronto, with most prices found around C$ 401. If you don’t want to visit United States in January, then you should wait until November to fly from Toronto, when ticket prices are also cheap, with an average price of C$ 443.

On average, the least expensive day to fly to United States from Toronto is on a Monday. momondo users have found tickets for Monday departures for as low as C$ 338. However, this price may fluctuate depending on the airline, the season, and holidays. Be sure to avoid booking your departure on a Friday as prices are generally higher than usual. According to our data, the average ticket price to United States on Friday is C$ 480.

Our most recent data shows that the best time of day to fly to United States is at noon. Flights from Toronto to United States during this time can be as low as C$ 369. Flights to United States are more costly in the morning, with an average ticket price of C$ 441. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Toronto Island to Boston Logan Intl for the best Toronto - United States flight prices

You are more likely to see cheaper flights to United States from Toronto when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around C$ 414 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Toronto for as low as C$ 381 on momondo.

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

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

Air Canada, Porter Airlines and WestJet are the top three most popular airlines that fly to United States from Toronto according to our data. Air Canada is the first choice among our users, with 37% of people opting to fly with this airline when travelling to United States. Keep in mind that there are 12 different airlines that fly to United States on a routine basis, so you have a few additional options to choose from.

Historically, on average around 22% of flights between Toronto and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 138 minutes.

Generally, flights departing in the morning tend to experience fewer delays. Flights departing in the evening have, in the past, seen delays more frequently in comparison.

Wednesday is statistically the day of the week that experiences the fewest delays on this flight route. Sunday has historically seen more delays on average compared to the rest of the week.

According to our data, United Airlines has had the least delays on this route over the last 12 months, with about 12% of their flights experiencing any sort of delay.

The number of flights available between Toronto and United States is 124 per day as of September 2026. The most frequent departure time is 6:00a.m., with 44% of daily flights leaving at noon.

As of September 2026, there are 870 flights per week flying from Toronto to United States. The most common day of the week flights depart is Mon, with 18% of flights taking off on this day.