The carrier blames the economy and higher fuel prices.
A two-year, $4 million subsidy agreement with the South Jersey Transportation Authority will expire in September.
Monday's announcement leaves the airport with one primary carrier, Spirit Airlines.
Hospitality and tourism professor at The Richard Stockton College of New Jersey Brian Tyrrell told The Press of Atlantic City airline passengers as desirable because they stay longer and spend more.
Information from: The Press of Atlantic City, http://www.pressofatlanticcity.com