Flights From St. Louis (STL) to King of Prussia (PHL)

Selected fares from St. Louis to King of Prussia

The cheapest prices found with in the last 7 days for return flights were CA $263 and CA $105 for one-way flights to King of Prussia for the period specified. Prices and availability are subject to change. Additional terms apply.

Thu, Aug. 14 - Mon, Aug. 18

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

CA $263 Roundtrip, found 6 days ago

CA $263

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Aug. 14 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Mon, Aug. 18, priced at CA $263 found 6 days ago

Sat, Aug. 9 - Sat, Aug. 16

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

CA $807 Roundtrip, found 2 days ago

CA $807

Roundtrip

found 2 days ago

Select Delta flight, departing Sat, Aug. 9 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sat, Aug. 16, priced at CA $807 found 2 days ago

Fri, Aug. 8 - Sat, Aug. 16

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

CA $1,022 Roundtrip, found 2 days ago

CA $1,022

Roundtrip

found 2 days ago

Select American Airlines flight, departing Fri, Aug. 8 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sat, Aug. 16, priced at CA $1,022 found 2 days ago