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 $218 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sat, May 24 - Sun, Jun 8

STL

St. Louis

TUS

Tucson

$218 Roundtrip, found 21 hours ago

$218

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sat, May 24 from St. Louis to Tucson, returning Sun, Jun 8, priced at $218 found 21 hours ago

Sat, May 24 - Thu, Jun 5

STL

St. Louis

TUS

Tucson

$238 Roundtrip, found 21 hours ago

$238

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Sat, May 24 from St. Louis to Tucson, returning Thu, Jun 5, priced at $238 found 21 hours ago

Mon, May 26 - Sun, Jun 8

STL

St. Louis

TUS

Tucson

$270 Roundtrip, found 21 hours ago

$270

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Mon, May 26 from St. Louis to Tucson, returning Sun, Jun 8, priced at $270 found 21 hours ago

Mon, May 26 - Thu, Jun 5

STL

St. Louis

TUS

Tucson

$290 Roundtrip, found 21 hours ago

$290

Roundtrip

found 21 hours ago

Select Frontier Airlines flight, departing Mon, May 26 from St. Louis to Tucson, returning Thu, Jun 5, priced at $290 found 21 hours ago