Cheap United flights Tucson (TUS) to St. Louis (STL)

Cheap United flights Tucson (TUS) to St. Louis (STL)

Prices were available within the past 7 days and start at for one-way flights and $427 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Wed, Oct 1 - Sun, Oct 12

TUS

Tucson

STL

St. Louis

$427 Roundtrip, found 17 hours ago

$427

Roundtrip

found 17 hours ago

Select United flight, departing Wed, Oct 1 from Tucson to St. Louis, returning Sun, Oct 12, priced at $427 found 17 hours ago

Wed, Oct 1 - Sat, Oct 11

TUS

Tucson

STL

St. Louis

$457 Roundtrip, found 17 hours ago

$457

Roundtrip

found 17 hours ago

Select United flight, departing Wed, Oct 1 from Tucson to St. Louis, returning Sat, Oct 11, priced at $457 found 17 hours ago

Fri, Oct 3 - Sat, Oct 11

TUS

Tucson

STL

St. Louis

$522 Roundtrip, found 17 hours ago

$522

Roundtrip

found 17 hours ago

Select United flight, departing Fri, Oct 3 from Tucson to St. Louis, returning Sat, Oct 11, priced at $522 found 17 hours ago

Wed, Oct 1 - Fri, Oct 10

TUS

Tucson

STL

St. Louis

$560 Roundtrip, found 17 hours ago

$560

Roundtrip

found 17 hours ago

Select United flight, departing Wed, Oct 1 from Tucson to St. Louis, returning Fri, Oct 10, priced at $560 found 17 hours ago