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One Way•Economy
United StatesSTL

Lambert-Saint Louis International Airport

St. Louis, United States
Puerto RicoSJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico
$156 USD
-28%$113 USD
Verified Nov 29, 2025 at 12:36 PM
Great Availability
68% of dates checked are available within 10% of the lowest price

Thursday, December 18th, 2025

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