An airline is a low-cost carrier that offers generally low fares in exchange for the reduction of many services traditionally offered passengers in no way compromise the safety of passengers. The general characteristics of low cost airlines are:

- Fly cheaper, less congested airports and flying early in the morning or late at night, landing fees down to
- Short flights and fast turnaround, maximum use of the aircraft
- Direct sales of tickets, especially via the Internet, avoiding fees and commissions paid to travel agents and travel reservations systems
- Eliminate in-flight catering and other free services, replaced by optional paid-for in-flight food and beverages.

Since the early 1990s, a number of airlines in North America have emerged as an alternative to large incumbent operators. The cost airline’s most successful low / charter in the United States and Canada are the following:

Allegiant Air.
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Serving flights nationwide flight from Las Vegas, running significant bases at Orlando Sanford International Airport and St. Petersburg-Clearwater International Airport

ATA Airlines
A low-cost airline in Indianapolis, Indiana-based operating passenger flights across the continental U.S. and Hawaii, as well as commercial charter flights around the world.

AirTran
Headquartered in Orlando, Florida, AirTran operates over 700 daily flights in the eastern U.S. and Midwest, including over 200 daily flights from Atlanta.

America West Airlines
It is the second largest low-fare airline in the United States, serving approximately 100 destinations in the United States, Canada and Mexico. The main centers are Phoenix, Arizona, and Flights to Las Vegas, Nevada

Frontier Airlines
Headquartered in Denver International Airport in Denver, Colorado, the airline flies across the United States, Mexico and Canada. This is the main destinations are the United States west of the Mississippi River.

JetBlue Airways
It is one of the major airlines to lower U.S. price, with destinations in the U.S. (New York-JFK, Long Beach, Oakland, Boston, Orlando, Fort Lauderdale, Washington-Dulles), with flights to the Caribbean , Bahamas, Bermuda and Mexico.

Southwest Airlines
America’s largest low cost airline, especially the large-scale Baltimore-Washington International Airport , Chicago Midway Airport, Houston Hobby Airport, Las Vegas’ McCarran Airport Sky Harbor Airport in Phoenix, Nashville, Oakland and San Diego.

Spirit Airlines
Serving flights nationwide, as well as destinations in the Caribbean, the Bahamas and Mexico.

Sun Country Airlines
Used in the vicinity of Minneapolis-Saint Paul International Airport as its main hub and flies to destinations in the United States, Mexico and the Caribbean.

WestJet
An airline cheap Canadian Calgary, Alberta, as in most major cities in Canada and serves 11 cities in the United States. WestJet’s second largest airline lowest prices in North America has been evaluated.