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

Wednesday, December 23rd, 2026

8 round-trip options

Returning
Mon, Dec 28, 20265 Day Trip
$1,386 USD
Returning
Tue, Dec 29, 20266 Day Trip
$1,215 USD
Returning
Wed, Dec 30, 20267 Day Trip
$1,316 USD
Returning
Thu, Dec 31, 20268 Day Trip
$1,391 USD
Returning
Sat, Jan 2, 202710 Day Trip
$2,001 USD
Returning
Sun, Jan 3, 202711 Day Trip
$2,001 USD
Returning
Tue, Jan 5, 202713 Day Trip
$1,466 USD
Returning
Wed, Jan 6, 202714 Day Trip
$1,541 USD