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

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

Prices were available within the past 7 days and start at for one-way flights and $355 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, Sep 27 - Fri, Oct 3

STL

St. Louis

TUS

Tucson

$355 Roundtrip, found 22 hours ago

$355

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Sat, Sep 27 from St. Louis to Tucson, returning Fri, Oct 3, priced at $355 found 22 hours ago

Sun, Sep 28 - Fri, Oct 3

STL

St. Louis

TUS

Tucson

$360 Roundtrip, found 22 hours ago

$360

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Sun, Sep 28 from St. Louis to Tucson, returning Fri, Oct 3, priced at $360 found 22 hours ago

Thu, Sep 25 - Sun, Oct 5

STL

St. Louis

TUS

Tucson

$395 Roundtrip, found 22 hours ago

$395

Roundtrip

found 22 hours ago

Select Frontier Airlines flight, departing Thu, Sep 25 from St. Louis to Tucson, returning Sun, Oct 5, priced at $395 found 22 hours ago

Sat, Jul 12 - Thu, Jul 17

STL

St. Louis

TUS

Tucson

$429 Roundtrip, found 3 days ago

$429

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Sat, Jul 12 from St. Louis to Tucson, returning Thu, Jul 17, priced at $429 found 3 days ago

Wed, Jul 9 - Sun, Jul 13

STL

St. Louis

TUS

Tucson

$447 Roundtrip, found 3 days ago

$447

Roundtrip

found 3 days ago

Select Frontier Airlines flight, departing Wed, Jul 9 from St. Louis to Tucson, returning Sun, Jul 13, priced at $447 found 3 days ago