St. Louis (STL) to San Juan (SJU) flight deal in business from $746

American AirlinesAAAmerican AirlinesDelta Air LinesDLDelta Air LinesUnited AirlinesUAUnited AirlinesSouthwest AirlinesWNSouthwest Airlines
Round Trip•Business Class
United StatesSTL

Lambert-Saint Louis International Airport

St. Louis, United States
Puerto RicoSJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico
$977 USD
-24%$746 USD
Verified 13 days ago
Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price

Wednesday, August 5th, 2026

8 round-trip options

Returning
Mon, Aug 10, 2026•5 Day Trip
$957 USD
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Returning
Tue, Aug 11, 2026•6 Day Trip
$957 USD
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Returning
Wed, Aug 12, 2026•7 Day Trip
$1,021 USD
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Returning
Thu, Aug 13, 2026•8 Day Trip
$957 USD
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Returning
Fri, Aug 14, 2026•9 Day Trip
$1,021 USD
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Returning
Mon, Aug 17, 2026•12 Day Trip
$1,010 USD
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Returning
Tue, Aug 18, 2026•13 Day Trip
$930 USD
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Returning
Wed, Aug 19, 2026•14 Day Trip
$930 USD
Google Flights