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 14 days ago
Extremely Rare Availability
3% of dates checked are available within 10% of the lowest price

Friday, December 18th, 2026

8 round-trip options

Returning
Wed, Dec 23, 2026•5 Day Trip
$1,360 USD
Google Flights
Returning
Thu, Dec 24, 2026•6 Day Trip
$1,360 USD
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Returning
Fri, Dec 25, 2026•7 Day Trip
$1,360 USD
Google Flights
Returning
Sat, Dec 26, 2026•8 Day Trip
$1,561 USD
Google Flights
Returning
Mon, Dec 28, 2026•10 Day Trip
$1,551 USD
Google Flights
Returning
Tue, Dec 29, 2026•11 Day Trip
$1,460 USD
Google Flights
Returning
Thu, Dec 31, 2026•13 Day Trip
$1,636 USD
Google Flights
Returning
Fri, Jan 1, 2027•14 Day Trip
$1,751 USD
Google Flights