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Cheap Flights from St. Louis to San Juan $283.45

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Cheapest Flights from St. Louis to San Juan (STL to SJU)

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 : Looking for the cheapest flight over the next 30 days?
Answer : January 29th offers bookings (as of January 16th) that are 13% below the average price for this route. Saving now means you'll have more money in your pocket for the trip.

Question : Do travelers from Saint Louis typically stay in San Juan for very long?
Answer : The average time spent in San Juan by passengers flying from STL is seven days.

Question : Is price more important than specific travel days for you?
Answer : The best day to fly on a budget this month is Friday. Being flexible with your travel days garners you even more savings during your booking.

Question : Is there another local airport to fly into besides Luis Munoz Marin International Airport (SJU)?
Answer : Over the next two months, flights from STL to Antonio Rivera Rodriguez Airport (VQS) are 35% cheaper than flights from STL to SJU. Only 40 miles away, it's easily accessible for most.

Question : How often are prices changing for this route?
Answer : Flight prices for STL to SJU fluctuate much more than the majority of routes. The further out you book a route, the more likely you are to save.