$197 Cheap United flights St. Louis (STL) to Philadelphia (PHL)

$197 Cheap United flights St. Louis (STL) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $197 for one-way flights and $413 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Jan 23 - Sun, Jan 25

STL

St. Louis

PHL

Philadelphia

$413 Roundtrip, found 11 hours ago

$413

Roundtrip

found 11 hours ago

Select United flight, departing Fri, Jan 23 from St. Louis to Philadelphia, returning Sun, Jan 25, priced at $413 found 11 hours ago

Fri, Jan 23 - Sun, Jan 25

STL

St. Louis

PHL

Philadelphia

$418 Roundtrip, found 11 hours ago

$418

Roundtrip

found 11 hours ago

Select United flight, departing Fri, Jan 23 from St. Louis to Philadelphia, returning Sun, Jan 25, priced at $418 found 11 hours ago

Fri, Jan 23 - Sun, Jan 25

STL

St. Louis

PHL

Philadelphia

$426 Roundtrip, found 11 hours ago

$426

Roundtrip

found 11 hours ago

Select United flight, departing Fri, Jan 23 from St. Louis to Philadelphia, returning Sun, Jan 25, priced at $426 found 11 hours ago