Cheap flights from St. Louis (STL) to San Salvador (SAL)

Our cheapest airline available from St. Louis to San Salvador is American Airlines. Our recent data shows that you can find tickets from as low as $360 on this airline. Additional options worth looking into are Delta and United Airlines, starting at $423 and $447 round-trip. American Airlines is 42% cheaper than the average price of flights available within the next 90 days to this destination.

Yes. In addition to deals on St. Louis to San Salvador flights, Cheapflights offers vacation packages that include both flights and hotel.

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to San Salvador.

Yes. Cheapflights offers flight deals from St. Louis to San Salvador by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Currently, January is the cheapest month in which you can book a flight from St. Louis to San Salvador (average of $423). Flying from St. Louis to San Salvador in December is currently the most expensive (average of $1,299). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.