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STL (St. Louis) to SJU (San Juan) Flights $272.2

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Cheap STL to SJU Flights

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 Juan (STL to SJU)

Question : What is the cheapest day to fly in the next four weeks?
Answer : As of Jul 17th, the best day for booking to San Juan (SJU) is Aug 4th. It costs $303, which is 37% below this route's average price.

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

Question : Are you paying the cheapest or highest price for your ticket to San Juan?
Answer : Flight prices are fluctuating less for this route than the majority of routes from the United States, as they're ranging from $272 to $906. Remember, you can save by booking further in advance.

Question : Who's offering the cheapest round-trip flight to Luis Munoz Marin International Airport (SJU) over the coming months?
Answer : Ticket costs are hitting as high as $906 over the next three months when flying to SJU from STL. Check out Delta Air Lines, as they have been booking customers at just $272.

Question : How many days should you spend in San Juan?
Answer : The average time spent in San Juan by travelers from Saint Louis is six days.