$213 Cheap United flights St. Louis (STL) to San Juan (SJU)

$213 Cheap United flights St. Louis (STL) to San Juan (SJU)

Prices were available within the past 7 days and start at $213 for one-way flights and $336 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 26 - Sat, Oct 3

STL

St. Louis

SJU

San Juan

$336 Roundtrip, just found

$336

Roundtrip

just found

Select United flight, departing Sat, Sep 26 from St. Louis to San Juan, returning Sat, Oct 3, priced at $336 just found

Wed, Aug 19 - Wed, Aug 26

STL

St. Louis

SJU

San Juan

$356 Roundtrip, found 3 days ago

$356

Roundtrip

found 3 days ago

Select United flight, departing Wed, Aug 19 from St. Louis to San Juan, returning Wed, Aug 26, priced at $356 found 3 days ago

Sat, Sep 26 - Sat, Oct 3

STL

St. Louis

SJU

San Juan

$381 Roundtrip, just found

$381

Roundtrip

just found

Select United flight, departing Sat, Sep 26 from St. Louis to San Juan, returning Sat, Oct 3, priced at $381 just found

Wed, Aug 19 - Wed, Aug 26

STL

St. Louis

SJU

San Juan

$401 Roundtrip, found 3 days ago

$401

Roundtrip

found 3 days ago

Select United flight, departing Wed, Aug 19 from St. Louis to San Juan, returning Wed, Aug 26, priced at $401 found 3 days ago

Sat, Sep 26 - Sat, Oct 3

STL

St. Louis

SJU

San Juan

$404 Roundtrip, just found

$404

Roundtrip

just found

Select United flight, departing Sat, Sep 26 from St. Louis to San Juan, returning Sat, Oct 3, priced at $404 just found

Sat, Sep 26 - Sat, Oct 3

STL

St. Louis

SJU

San Juan

$407 Roundtrip, just found

$407

Roundtrip

just found

Select United flight, departing Sat, Sep 26 from St. Louis to San Juan, returning Sat, Oct 3, priced at $407 just found