Spirit Airlines is an ultra-low-cost airline based in Miramar, Florida in the Miami metropolitan area. It operates scheduled flights throughout the Americas. Over half of the airline's flights are to destinations in the Caribbean, Bahamas, and Latin America.

As of June 2008, Spirit Airlines flies to 42 destinations throughout Central America, the Caribbean, South America, and the United States. Upcoming schedule changes include the addition of Port of Spain, Trinidad & Tobago on June 14, and Bogotá, Colombia on July 24, 2008, which will increase Spirit's destination count to 44.
Spirit Airlines flies to and from:

Arlington (Ronald Reagan Washington National Airport)
Aguadilla (Rafael Hernández Airport)
Atlanta (Hartsfield-Jackson Atlanta International Airport)
Atlantic City (Atlantic City International Airport) Focus City

Bogotá (El Dorado International Airport) Service begins July 24, 2008
Boston (Logan International Airport)

Cartagena (Rafael Núñez International Airport)
Cancún (Cancún International Airport)
Caracas (Simón Bolívar International Airport) pending government approval
Columbia (Columbia Metropolitan Airport)
Chicago (O'Hare International Airport)

Detroit (Detroit Metropolitan Wayne County Airport) Base

Fort Lauderdale (Fort Lauderdale-Hollywood International Airport) Base
Fort Myers (Southwest Florida International Airport)
Freeport (Grand Bahama International Airport)

Grand Cayman (Owen Roberts International Airport)
Guatemala City (La Aurora International Airport)

Kingston (Norman Manley International Airport)

Las Vegas (McCarran International Airport)
Lima (Jorge Chávez International Airport)
Long Island/Islip (Long Island MacArthur Airport)
Los Angeles (Los Angeles International Airport)

Managua (Augusto C. Sandino International Airport)
Montego Bay (Sir Donald Sangster International Airport)
Myrtle Beach (Myrtle Beach International Airport)

Nassau (Lynden Pindling International Airport)
New York City (LaGuardia Airport)

Oranjestad (Queen Beatrix International Airport)
Orlando (Orlando International Airport)

Panama City (Tocumen International Airport)
Port of Spain (Piarco International Airport) Service begins June 14, 2008
Port Au Prince (Port-au-Prince International Airport)
Ponce (Mercedita Airport)
Providenciales (Providenciales International Airport)
Punta Cana (Punta Cana International Airport)

Saint Maarten (Princess Juliana International Airport)
San Salvador Island (San Salvador Airport)
San Juan (Luis Muñoz Marín International Airport)
San Antonio (San Antonio International Airport)
San José (Juan Santamaría International Airport)
San Pedro Sula (Ramón Villeda Morales International Airport)
Santo Domingo (Las Américas International Airport)
St. Thomas (Cyril E. King Airport)

Tampa (Tampa International Airport)
West Palm Beach (Palm Beach International Airport) Seasonal
Online booking can be made at the official website of Spirit Airlines.
Spirit Airlines official website - http://www.spiritair.com/
Spirit Airlines Wikipedia - http://en.wikipedia.org/wiki/Spirit_Airlines