Question : How long do most people stay in San Salvador when they fly in from Saint Louis?
Answer : Travelers from STL to SAL stay seven days on average.
Question : If your plans are flexible, have you considered changing your departure day?
Answer : For the month of February, the cheapest day to fly is Monday. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.
Question : How often is the price changing when booking a trip from Lambert-St. Louis International Airport (STL) to El Salvador International Airport (SAL)?
Answer : Flight prices for STL to SAL change much more than the majority of routes. The further out you book a route, the more likely you are to save.