$303 Cheap United flights St. Louis (STL) to San Juan (SJU)

$303 Cheap United flights St. Louis (STL) to San Juan (SJU)

Prices were available within the past 7 days and start at $303 for one-way flights and $315 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Mar 3 - Wed, Mar 11

STL

St. Louis

SJU

San Juan

$315 Roundtrip, found 20 hours ago

$315

Roundtrip

found 20 hours ago

Select United flight, departing Tue, Mar 3 from St. Louis to San Juan, returning Wed, Mar 11, priced at $315 found 20 hours ago

Sun, Mar 1 - Wed, Mar 11

STL

St. Louis

SJU

San Juan

$359 Roundtrip, found 20 hours ago

$359

Roundtrip

found 20 hours ago

Select United flight, departing Sun, Mar 1 from St. Louis to San Juan, returning Wed, Mar 11, priced at $359 found 20 hours ago

Sat, Feb 28 - Thu, Mar 5

STL

St. Louis

SJU

San Juan

$446 Roundtrip, found 20 hours ago

$446

Roundtrip

found 20 hours ago

Select United flight, departing Sat, Feb 28 from St. Louis to San Juan, returning Thu, Mar 5, priced at $446 found 20 hours ago

Fri, Feb 27 - Thu, Mar 5

STL

St. Louis

SJU

San Juan

$521 Roundtrip, found 20 hours ago

$521

Roundtrip

found 20 hours ago

Select United flight, departing Fri, Feb 27 from St. Louis to San Juan, returning Thu, Mar 5, priced at $521 found 20 hours ago

Sun, Mar 1 - Mon, Mar 9

STL

St. Louis

SJU

San Juan

$553 Roundtrip, found 20 hours ago

$553

Roundtrip

found 20 hours ago

Select United flight, departing Sun, Mar 1 from St. Louis to San Juan, returning Mon, Mar 9, priced at $553 found 20 hours ago

Tue, Mar 3 - Sun, Mar 8

STL

St. Louis

SJU

San Juan

$574 Roundtrip, found 20 hours ago

$574

Roundtrip

found 20 hours ago

Select United flight, departing Tue, Mar 3 from St. Louis to San Juan, returning Sun, Mar 8, priced at $574 found 20 hours ago