Cheap Frontier Airlines flights Buffalo (BUF) to St. Louis (STL)

Cheap Frontier Airlines flights Buffalo (BUF) to St. Louis (STL)

Prices were available within the past 7 days and start at for one-way flights and $280 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, May 18 - Sat, May 24

BUF

Buffalo

STL

St. Louis

$280 Roundtrip, found 1 day ago

$280

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 18 from Buffalo to St. Louis, returning Sat, May 24, priced at $280 found 1 day ago

Mon, May 19 - Sat, May 24

BUF

Buffalo

STL

St. Louis

$300 Roundtrip, found 1 day ago

$300

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, May 19 from Buffalo to St. Louis, returning Sat, May 24, priced at $300 found 1 day ago

Sun, May 18 - Thu, May 22

BUF

Buffalo

STL

St. Louis

$341 Roundtrip, found 1 day ago

$341

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, May 18 from Buffalo to St. Louis, returning Thu, May 22, priced at $341 found 1 day ago

Mon, May 19 - Thu, May 22

BUF

Buffalo

STL

St. Louis

$360 Roundtrip, found 1 day ago

$360

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Mon, May 19 from Buffalo to St. Louis, returning Thu, May 22, priced at $360 found 1 day ago