Cheap American Airlines flights Knoxville (TYS) to St. Louis (STL)

Cheap American Airlines flights Knoxville (TYS) to St. Louis (STL)

Prices were available within the past 7 days and start at for one-way flights and $547 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Mon, Sep 15 - Thu, Sep 18

TYS

Knoxville

STL

St. Louis

$547 Roundtrip, found 23 hours ago

$547

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Mon, Sep 15 from Knoxville to St. Louis, returning Thu, Sep 18, priced at $547 found 23 hours ago

Sun, Sep 14 - Mon, Sep 22

TYS

Knoxville

STL

St. Louis

$689 Roundtrip, found 23 hours ago

$689

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Sun, Sep 14 from Knoxville to St. Louis, returning Mon, Sep 22, priced at $689 found 23 hours ago

Sun, Sep 14 - Thu, Sep 18

TYS

Knoxville

STL

St. Louis

$778 Roundtrip, found 23 hours ago

$778

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Sun, Sep 14 from Knoxville to St. Louis, returning Thu, Sep 18, priced at $778 found 23 hours ago

Sun, Sep 14 - Mon, Sep 15

TYS

Knoxville

STL

St. Louis

$808 Roundtrip, found 23 hours ago

$808

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Sun, Sep 14 from Knoxville to St. Louis, returning Mon, Sep 15, priced at $808 found 23 hours ago

Sun, Sep 14 - Fri, Sep 19

TYS

Knoxville

STL

St. Louis

$868 Roundtrip, found 23 hours ago

$868

Roundtrip

found 23 hours ago

Select American Airlines flight, departing Sun, Sep 14 from Knoxville to St. Louis, returning Fri, Sep 19, priced at $868 found 23 hours ago