Cheap Frontier Airlines flights Tucson (TUS) to St. Louis (STL)

Cheap Frontier Airlines flights Tucson (TUS) to St. Louis (STL)

Prices were available within the past 7 days and start at for one-way flights and $138 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jan 30 - Sat, Feb 21

TUS

Tucson

STL

St. Louis

$138 Roundtrip, found 1 day ago

$138

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jan 30 from Tucson to St. Louis, returning Sat, Feb 21, priced at $138 found 1 day ago

Thu, Feb 5 - Sat, Feb 21

TUS

Tucson

STL

St. Louis

$165 Roundtrip, found 1 day ago

$165

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Feb 5 from Tucson to St. Louis, returning Sat, Feb 21, priced at $165 found 1 day ago

Fri, Jan 30 - Thu, Feb 26

TUS

Tucson

STL

St. Louis

$236 Roundtrip, found 1 day ago

$236

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Fri, Jan 30 from Tucson to St. Louis, returning Thu, Feb 26, priced at $236 found 1 day ago

Thu, Feb 5 - Thu, Feb 26

TUS

Tucson

STL

St. Louis

$263 Roundtrip, found 1 day ago

$263

Roundtrip

found 1 day ago

Select Frontier Airlines flight, departing Thu, Feb 5 from Tucson to St. Louis, returning Thu, Feb 26, priced at $263 found 1 day ago