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 $603 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.

Fri, Aug. 8 - Sun, Aug. 10

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

CA $603 Roundtrip, found 3 days ago

CA $603

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Fri, Aug. 8 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sun, Aug. 10, priced at CA $603 found 3 days ago

Thu, Aug. 28 - Tue, Sep. 2

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

CA $781 Roundtrip, found 3 days ago

CA $781

Roundtrip

found 3 days ago

Select Spirit Airlines flight, departing Thu, Aug. 28 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Tue, Sep. 2, priced at CA $781 found 3 days ago

Thu, Aug. 7 - Sat, Aug. 9

STL

Lambert-St. Louis Intl.

PHL

Philadelphia Intl.

CA $784 Roundtrip, found 6 days ago

CA $784

Roundtrip

found 6 days ago

Select Spirit Airlines flight, departing Thu, Aug. 7 from Lambert-St. Louis Intl. to Philadelphia Intl., returning Sat, Aug. 9, priced at CA $784 found 6 days ago