BWI Marshall Airport ranks as the third least expensive airport in the nation for the cost of parking. Short-term/terminal-side parking is $22 a day, and long-term economy parking is $8.
Compare that to the most expensive airport for parking, New York LaGuardia, where short-term parking is $59 a day and long-term economy is $39 a day.
Dulles International and Reagan National rank No. 12 and No. 14 respectively on the list. At Dulles, short-term and long-term parking rates are $30 and $10, respectively. At Reagan National, it is $25 and $17.
Travel Bank said Orlando International and Charlotte Douglas International tie for the least expensive parking, followed by Houston George Bush International, BWI Marshall, Tampa International, Denver International and Honolulu Daniel K. Inouye International.
Along with LaGuardia, the most expensive airports for parking are Boston Logan International, Seattle-Tacoma International, San Francisco International, New York John F. Kenney International and Newark Liberty International.
Like WTOP on Facebook and follow @WTOP on Twitter to engage in conversation about this article and others.