$48+ Cheap flights from the United States to Canada

Denver International Airport (DEN) has been turning heads in the eco-travel arena for investing in green measures. The airline hub boasts the USA’s largest solar farm, with four on-site solar arrays. Additionally, DEN features plug-in energy sources at the passenger gates for its fleet, and numerous water-refilling stations are scattered throughout its terminals. Another noteworthy airport is Boston Logan International (BOS). The hub is an industry trendsetter for environmentally-friendly terminal constructions.

Winnipeg James Armstrong International Airport (YWG) prides itself on planet-conscious building practices, which have earned it a LEED certification. Its green building practices involve installing efficient mechanical and lighting systems, radiant flow systems, and displacement ventilation. Edmonton International Airport (YEG) is pursuing locally-built aviation heaters that emit fewer pollutants, renewable energy sources, LED terminal lighting, and lower electricity intake. Toronto Pearson International Airport (YYZ) sources local food for its kitchens and uses low-carbon biofuels.

If you are set to fly from the USA to Canada, prioritize eco-conscious carriers like Air Canada and United Airlines. Air Canada has drafted its sustainable goals in the Climate Action Plan and boasts narrow-body planes with efficient fuel intake. Additionally, it has invested in low-carbon fuels and eradicated single-use plastics. United Airlines has pledged to go 100% green no later than 2050 with actionable steps like purchasing SAFs.

There are dozens of airports available for those looking for flights to Canada from the USA. Quebec can be reached by taking a flight at various cities including Philadelphia, PA, New York, NY, and Chicago, IL. Travelers also commonly visit Montreal through Fort Lauderdale, Las Vegas, and Miami. The airport travelers will often fly into in Quebec is Quebec City Jean Lesage International Airport, which is seven miles from the city. It is the 11th busiest airport in Canada and offers more than 350 weekly flights into Canada, Central America, the USA, Mexico, Europe, and the Mediterranean.

One of the airports that offers nonstop, direct flights into Quebec is O’Hare International Airport in Chicago, Illinois. Direct flights are provided by American Airlines and United Airlines which have a duration of about 2h 30m. For travelers going into Montreal, Philadelphia International Airport offers direct flights through American Airlines. The flights last about 1h 40m. Travelers leaving from New York City will have multiple options into Montreal with airlines like American Airlines, WestJet, and Delta Air Lines. The average length of a flight from NYC is under 1h 30m.

Many more flights exist from the USA to Canada that have one or more stops during the process. From New York City to Montreal, these are offered by Porter Airlines, United Airlines, and American Airlines. Many of the flights have a stop at Toronto Island Airport, while others stop in Washington Dulles Airport. There are also stopover flights from Chicago into Quebec from airlines including United Airlines, Porter Airlines, and American Airlines. These flights are typically around 5h 05m long.

There is no need to have a passport to enter Canada as long as a traveler has a birth certificate and photo ID. However, entering the United States again by air will require a passport so having one is a good idea. There is no need for a visa.

To fly one-way, consider booking your trip with Flair Airlines, which is currently one of the cheapest options available, starting at $51. Porter Airlines flights start at $77 while deals on WestJet start at $78 one-way.

Yes. In addition to deals on USA to Canada flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from USA to Canada.

Yes. Cheapflights offers flight deals from USA to Canada by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, January is the cheapest month in which you can book a flight from USA to Canada (average of $243). Flying from USA to Canada in August is currently the most expensive (average of $348). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.