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Cheap Flights from St. Louis to San Salvador $507.86

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Cheapest Flights from St. Louis to San Salvador (STL to SAL)

Prices found within past 7 days. Prices and availability subject to change. Additional terms may apply.

Interesting Facts About Flights from St. Louis to San Salvador (STL to SAL)

Question : Should you take that vacation to San Salvador in the next 30 days?
Answer : December 27th offers bookings (as of November 28th) that are 22% below the average price for this route. Saving on flight costs means you'll have more cash in your pocket for the trip.

Question : How long do most people stay in San Salvador when they fly in from Saint Louis?
Answer : Over the next two months, travelers from STL to SAL are planning on staying for 14 days on average.

Question : If your plans are flexible, have you considered changing your departure day?
Answer : Monday is your cheapest day to fly in December. Having flexibility in your travel plans means you can save, so be sure to plan ahead when possible.

Question : Do prices fluctuate more for this route than others?
Answer : Prices are fluctuating a lot more for this route than the majority of routes. Remember, you can save by booking further in advance.