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

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

Prices were available within the past 7 days and start at for one-way flights and $307 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Jul 30 - Fri, Aug 1

STL

St. Louis

BUF

Buffalo

$307 Roundtrip, found 1 day ago

$307

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 30 from St. Louis to Buffalo, returning Fri, Aug 1, priced at $307 found 1 day ago

Sat, Aug 2 - Mon, Aug 11

STL

St. Louis

BUF

Buffalo

$312 Roundtrip, found 1 day ago

$312

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Aug 2 from St. Louis to Buffalo, returning Mon, Aug 11, priced at $312 found 1 day ago

Sun, Aug 3 - Mon, Aug 11

STL

St. Louis

BUF

Buffalo

$316 Roundtrip, found 1 day ago

$316

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sun, Aug 3 from St. Louis to Buffalo, returning Mon, Aug 11, priced at $316 found 1 day ago

Wed, Jul 30 - Sat, Aug 2

STL

St. Louis

BUF

Buffalo

$335 Roundtrip, found 1 day ago

$335

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 30 from St. Louis to Buffalo, returning Sat, Aug 2, priced at $335 found 1 day ago

Wed, Jul 30 - Sun, Aug 3

STL

St. Louis

BUF

Buffalo

$339 Roundtrip, found 1 day ago

$339

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 30 from St. Louis to Buffalo, returning Sun, Aug 3, priced at $339 found 1 day ago

Sat, Aug 2 - Thu, Aug 7

STL

St. Louis

BUF

Buffalo

$340 Roundtrip, found 1 day ago

$340

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Aug 2 from St. Louis to Buffalo, returning Thu, Aug 7, priced at $340 found 1 day ago

Sat, Aug 2 - Sun, Aug 3

STL

St. Louis

BUF

Buffalo

$344 Roundtrip, found 1 day ago

$344

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Aug 2 from St. Louis to Buffalo, returning Sun, Aug 3, priced at $344 found 1 day ago

Thu, Jul 31 - Fri, Aug 1

STL

St. Louis

BUF

Buffalo

$374 Roundtrip, found 1 day ago

$374

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 31 from St. Louis to Buffalo, returning Fri, Aug 1, priced at $374 found 1 day ago

Wed, Jul 30 - Mon, Aug 4

STL

St. Louis

BUF

Buffalo

$376 Roundtrip, found 1 day ago

$376

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Wed, Jul 30 from St. Louis to Buffalo, returning Mon, Aug 4, priced at $376 found 1 day ago

Sat, Aug 2 - Mon, Aug 4

STL

St. Louis

BUF

Buffalo

$381 Roundtrip, found 1 day ago

$381

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Sat, Aug 2 from St. Louis to Buffalo, returning Mon, Aug 4, priced at $381 found 1 day ago

Fri, Aug 1 - Mon, Aug 11

STL

St. Louis

BUF

Buffalo

$385 Roundtrip, found 1 day ago

$385

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Aug 1 from St. Louis to Buffalo, returning Mon, Aug 11, priced at $385 found 1 day ago

Thu, Jul 31 - Sat, Aug 2

STL

St. Louis

BUF

Buffalo

$402 Roundtrip, found 1 day ago

$402

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Jul 31 from St. Louis to Buffalo, returning Sat, Aug 2, priced at $402 found 1 day ago