$146 Cheap Frontier Airlines flights Houston (IAH) to St. Louis (STL)

$146 Cheap Frontier Airlines flights Houston (IAH) to St. Louis (STL)

Prices were available within the past 7 days and start at $146 for one-way flights and $208 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Jun 10 - Wed, Jun 11

IAH

Houston

STL

St. Louis

$208 Roundtrip, found 13 hours ago

$208

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Tue, Jun 10 from Houston to St. Louis, returning Wed, Jun 11, priced at $208 found 13 hours ago

Tue, Jun 10 - Sat, Jun 14

IAH

Houston

STL

St. Louis

$231 Roundtrip, found 13 hours ago

$231

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Tue, Jun 10 from Houston to St. Louis, returning Sat, Jun 14, priced at $231 found 13 hours ago

Tue, Jun 10 - Thu, Jun 12

IAH

Houston

STL

St. Louis

$251 Roundtrip, found 13 hours ago

$251

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Tue, Jun 10 from Houston to St. Louis, returning Thu, Jun 12, priced at $251 found 13 hours ago

Sat, Jun 14 - Sat, Jun 14

IAH

Houston

STL

St. Louis

$252 Roundtrip, found 13 hours ago

$252

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Sat, Jun 14 from Houston to St. Louis, returning Sat, Jun 14, priced at $252 found 13 hours ago

Sat, Jun 14 - Sun, Jun 15

IAH

Houston

STL

St. Louis

$272 Roundtrip, found 13 hours ago

$272

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Sat, Jun 14 from Houston to St. Louis, returning Sun, Jun 15, priced at $272 found 13 hours ago

Fri, Jun 13 - Sun, Jun 15

IAH

Houston

STL

St. Louis

$292 Roundtrip, found 13 hours ago

$292

Roundtrip

found 13 hours ago

Select Frontier Airlines flight, departing Fri, Jun 13 from Houston to St. Louis, returning Sun, Jun 15, priced at $292 found 13 hours ago