$109 Find Cheap Flights from Canada to the United States - Compare and Save

The flight networks between Canada and many cities in the U.S. are extremely well developed, with several direct flights per day, mostly from major Canadian hubs such as Toronto Pearson International Airport, Montreal-Pierre Trudeau International Airport (YUL), Vancouver International Airport (YVR), Edmonton Airport (YEG) and Calgary Airport (YYC). Air Canada provides direct flights to 60 destinations in the U.S., servicing, among others, LaGuardia (LGA) and Newark (EWR) in the New York area, as well as 5 destinations in both California and Florida. Many low-cost carriers such as Porter Airlines and WestJet also offer direct flights between the two countries.

Canadian citizens do not require a visa to enter the United States and are generally granted a stay of up to 6 months upon arrival. However, you need to provide a valid passport when entering the U.S. by air, which has to be valid until your intended departure date.

The most convenient airport to fly into if touring the Rocky Mountains is Denver International Airport (DEN). It is located about 145 km southeast of the east entrance of the park, and is serviced by many national carriers and low-cost airlines. You can either rent a car at the airport or take the Estes Park Shuttle which takes you to the park's entrance in about 2h and costs $45 (approximately C$ 60).

The closest airport is Yellowstone Airport (WYS), located close to the west entrance of the park. However, it is serviced only seasonally by Delta Airlines, from Salt Lake City. You might find cheaper and more direct connections from Canada by flying into Bozeman Yellowstone International Airport (BZN), located about 140 km north of the park's west entrance, and serviced by several domestic airlines such as American Airlines, Delta Airlines and United.

KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Canada to the United States.

KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight from Canada to the United States is likely to change within 7 days, so travelers know whether to wait or book now.

Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly from Canada to the United States with an airline and back with another airline.

Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying from Canada to the United States up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Based on KAYAK data, the cheapest day to fly to the United States is Friday where round-trip tickets can be as cheap as $410. On the other hand, the most expensive day to fly is Monday, where round-trip prices are $520 on average.