There are approximately five different main airlines that currently service the San Salvador International Airport all day, every day.  The following is a list with local numbers in the Country to assist you during your stay.  Hyperlinks will take you to each carrier’s website for more information:

El Salvador International Airport
Main Phone: (503) 339-9905
American Airlines (503) 298-0777
Continental Airlines  (503) 207-2040
Delta Airlines  (503) 275-9292
Taca Air (503) 267-8888
United Airlines  (503) 279-3900
  
Remember, airplane reservations fill up fast during the holiday (Premium) seasons.  Even if we have a room (or rooms) available for you, if you can’t get a seat on the plane you can’t get there!  Also air fair prices go up as you get closer to Thanksgiving, Christmas, New Years, Easter, and the month of August.