$267 Cheap United flights St. Louis (STL) to Philadelphia (PHL)

$267 Cheap United flights St. Louis (STL) to Philadelphia (PHL)

Prices were available within the past 7 days and start at $267 for one-way flights and $445 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Fri, Mar 6 - Sat, Mar 14

STL

St. Louis

PHL

Philadelphia

$445 Roundtrip, found 3 days ago

$445

Roundtrip

found 3 days ago

Select United flight, departing Fri, Mar 6 from St. Louis to Philadelphia, returning Sat, Mar 14, priced at $445 found 3 days ago

Fri, Mar 6 - Sat, Mar 14

STL

St. Louis

PHL

Philadelphia

$463 Roundtrip, found 3 days ago

$463

Roundtrip

found 3 days ago

Select United flight, departing Fri, Mar 6 from St. Louis to Philadelphia, returning Sat, Mar 14, priced at $463 found 3 days ago

Fri, Mar 6 - Sat, Mar 14

STL

St. Louis

PHL

Philadelphia

$472 Roundtrip, found 3 days ago

$472

Roundtrip

found 3 days ago

Select United flight, departing Fri, Mar 6 from St. Louis to Philadelphia, returning Sat, Mar 14, priced at $472 found 3 days ago

Fri, Mar 6 - Sat, Mar 14

STL

St. Louis

PHL

Philadelphia

$494 Roundtrip, found 3 days ago

$494

Roundtrip

found 3 days ago

Select United flight, departing Fri, Mar 6 from St. Louis to Philadelphia, returning Sat, Mar 14, priced at $494 found 3 days ago