$95 Cheap Frontier Airlines flights San Juan (SJU) to St. Louis (STL)

$95 Cheap Frontier Airlines flights San Juan (SJU) to St. Louis (STL)

Prices were available within the past 7 days and start at $95 for one-way flights and $225 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Jan 12 - Sun, Jan 18

SJU

San Juan

STL

St. Louis

$225 Roundtrip, found 18 hours ago

$225

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Mon, Jan 12 from San Juan to St. Louis, returning Sun, Jan 18, priced at $225 found 18 hours ago

Mon, Jan 12 - Tue, Jan 13

SJU

San Juan

STL

St. Louis

$226 Roundtrip, found 18 hours ago

$226

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Mon, Jan 12 from San Juan to St. Louis, returning Tue, Jan 13, priced at $226 found 18 hours ago

Mon, Jan 12 - Mon, Jan 19

SJU

San Juan

STL

St. Louis

$243 Roundtrip, found 18 hours ago

$243

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Mon, Jan 12 from San Juan to St. Louis, returning Mon, Jan 19, priced at $243 found 18 hours ago

Mon, Jan 12 - Sat, Jan 17

SJU

San Juan

STL

St. Louis

$259 Roundtrip, found 18 hours ago

$259

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Mon, Jan 12 from San Juan to St. Louis, returning Sat, Jan 17, priced at $259 found 18 hours ago

Mon, Jan 12 - Fri, Jan 16

SJU

San Juan

STL

St. Louis

$273 Roundtrip, found 18 hours ago

$273

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Mon, Jan 12 from San Juan to St. Louis, returning Fri, Jan 16, priced at $273 found 18 hours ago

Sun, Jan 11 - Sun, Jan 18

SJU

San Juan

STL

St. Louis

$310 Roundtrip, found 18 hours ago

$310

Roundtrip

found 18 hours ago

Select Frontier Airlines flight, departing Sun, Jan 11 from San Juan to St. Louis, returning Sun, Jan 18, priced at $310 found 18 hours ago