Cheap flights from Canada to the United States from C$ 128

The month of September is, on average, the cheapest month to fly to United States from Canada, with most prices found around C$ 278. If you don’t want to visit United States in September, then you should wait until April to fly from Canada, when ticket prices are also cheap, with an average price of C$ 302.

On average, the least expensive day to fly to United States from Canada is on a Monday. momondo users have found tickets for Monday departures for as low as C$ 298. 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$ 433.

Our most recent data shows that the best time of day to fly to United States is at noon. Flights from Canada to United States during this time can be as low as C$ 316. Flights to United States are more costly in the morning, with an average ticket price of C$ 379. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

Fly from Vancouver Intl to Los Angeles Los Angeles for the best Canada - United States flight prices

You are more likely to see cheaper flights to United States from Canada when booking weeks ahead of your departure date. In general, you can expect to find flights to United States for around C$ 357 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to United States from Canada for as low as C$ 321 on momondo.

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

Flair Airlines, WestJet, and United Airlines are the most popular carriers operating from Canada to United States

WestJet, Air Canada and Porter Airlines are the top three most popular airlines that fly to United States from Canada according to our data. WestJet is the first choice among our users, with 36% of people opting to fly with this airline when travelling to United States. Keep in mind that there are 13 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 19% of flights between Canada and United States have experienced a delay on any given week. The average delay length over the past 12 months has been 139 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.

Tuesday 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 13% of their flights experiencing any sort of delay.

251 flights are operational daily from Canada to United States as of March 2026. The most popular departure time for this route is 8:00a.m., with 41% of flights per day taking off at noon.

As of March 2026, there are 1,762 flights per week flying from Canada to United States. The most common day of the week flights depart is Fri, with 17% of flights taking off on this day.