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Cheap Flights from St. Louis to San Juan $288.79

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Here are your best fares found in the past 7 days

The lowest fare found for this route is $293.26 on Wed, Apr 26 from STL to SJU
Flights Fare Calendar Find minimum fare between origin STL and destination SJU Click this button to get previous 30 days data Click this button to get next 30 days data $938 $804 $670 $536 $402 $268 $134 $0 Apr May 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 1 2 3 4 5 6 7 8 9 10 11 M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F S S M T W T F Price is $ 804.2 on United Price is $ 767.7 on American Airlines Price is $ 669.7 on American Airlines Price is $ 669.7 on American Airlines Price is $ 669.7 on American Airlines Price is $ 668.2 on United Price is $ 644.2 on United Price is $ 626.7 on American Airlines Price is $ 624.2 on Delta Price is $ 624.2 on United Price is $ 617.2 on Delta Price is $ 615.7 on American Airlines Price is $ 578.8 on American Airlines Price is $ 573.2 on Delta Price is $ 559.7 on American Airlines Price is $ 539.41 on American Airlines Price is $ 533.23 on Delta Price is $ 530.2 on American Airlines Price is $ 528.7 on American Airlines Price is $ 525.2 on United Price is $ 524.2 on Delta Price is $ 519.21 on American Airlines Price is $ 510.7 on American Airlines Price is $ 509.2 on Delta Price is $ 505.7 on American Airlines Price is $ 505.7 on American Airlines Price is $ 505.2 on United Price is $ 501.7 on American Airlines Price is $ 501.7 on American Airlines Price is $ 501.7 on American Airlines Price is $ 500.2 on United Price is $ 500.2 on American Airlines Price is $ 499.0 on United Price is $ 460.2 on American Airlines Price is $ 441.16 on Delta Price is $ 438.2 on United Price is $ 392.96 on Delta Price is $ 376.2 on United Price is $ 374.7 on American Airlines Price is $ 371.2 on American Airlines Price is $ 369.7 on American Airlines Price is $ 369.7 on American Airlines Price is $ 369.7 on American Airlines Price is $ 369.7 on American Airlines Price is $ 368.01 on Delta Price is $ 352.17 on Delta Price is $ 349.8 on Delta Price is $ 310.2 on American Airlines Price is $ 309.2 on American Airlines Price is $ 309.2 on American Airlines Price is $ 309.2 on American Airlines Price is $ 307.7 on American Airlines Price is $ 307.7 on American Airlines Price is $ 306.34 on Delta Price is $ 306.34 on Delta Price is $ 306.2 on American Airlines Price is $ 293.26 on Delta

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 : Over the coming months, which airline is getting their passengers to Luis Munoz Marin International Airport (SJU) round-trip the cheapest?
Answer : Delta Air Lines is offering the best deal at $294. Better take a look quickly because prices range all the way up to $989 over the next three months.

Question : Do prices fluctuate more for this route than others?
Answer : Flight prices are fluctuating less for this route than the majority of routes from the United States, as they're ranging from $294 to $989. Prices tend to be lower the further out you book.

Question : How many days should you spend in San Juan?
Answer : Passengers from STL to SJU stay one week on average.

Question : In the next four weeks, what day should you book your trip?
Answer : As of Apr 17th, the best day for booking to San Juan (SJU) is Apr 22nd. It costs $294, which is 24% below this route's average price.

Question : Will you do what it takes to get the absolute cheapest flight?
Answer : The lowest-cost day to fly in May is Tuesday. Flexibility is paramount when booking travel plans in order to keep travel costs down.