PHL to STL (Philadelphia to St. Louis) Flights

Last Minute Flights from PHL to STL

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
PHLSt. LouisJune 29 to July 1$148
*Prices include taxes and fees

Cheapest PHL to STL Flights

Price found within the past 7 days for the specified period. Click for updated prices.

OriginDestinationTravel DatesFlights From*
PHLSt. LouisAugust 24 to August 24$53
PHLSt. LouisSeptember 10 to September 14$101
PHLSt. LouisAugust 6 to August 10$131
TTNSt. LouisAugust 6 to August 10$153
*Prices include taxes and fees
PHL to STL Flight Details
Origin airport
Philadelphia Intl.
Origin airport IATA code
PHL
Destination airport
Lambert-St. Louis Intl.
Destination airport IATA code
STL
Distance
811 mi

Frequently asked questions

Which airlines with flights from Philadelphia, PA Airport (PHL-Philadelphia Intl.) to STL allow free cancellation due to COVID-19?
Quite a few airlines now advertise flexible airfares so you can organize your flight to St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) with confidence. To see which carriers sell these kinds of tickets, use our handy filter tool. Simply click the “No change fee” check box below the “Flexible change policies” subheading. Also review the terms and conditions so you’re familiar with what COVID-19 related changes are covered.