STL to PHL (St. Louis to Philadelphia) Flights

Last Minute Flights from STL to PHL

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

OriginDestinationTravel DatesFlights From*
STLPhiladelphiaJune 21 to June 27$293
*Prices include taxes and fees

Cheapest STL to PHL Flights

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

OriginDestinationTravel DatesFlights From*
STLPhiladelphiaJuly 21 to August 3$136
STLPhiladelphiaOctober 1 to October 9$191
STLPhiladelphiaNovember 10 to November 18$194
STLTrentonAugust 21 to August 25$238
*Prices include taxes and fees
STL to PHL Flight Details
Origin airport
Lambert-St. Louis Intl.
Origin airport IATA code
STL
Destination airport
Philadelphia Intl.
Destination airport IATA code
PHL
Distance
811 mi

Frequently asked questions

What airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to Philadelphia Intl. Airport (PHL)?
Get your trip off to a lightning-fast start with American Airlines (AA). This airline advertises 39 nonstop flights per month from STL to PHL, so you’ll be hitting the tarmac in Philadelphia in a flash!
How many flights are there from STL to PHL?
Roughly 3 each day. If you’re in a big rush to head to Philadelphia, see if you can grab an epic last-minute deal from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) and then book it straight away!
How long does it take to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
From St. Louis, MO (STL-Lambert-St. Louis Intl.), it’s a short and sweet 2 hours and 9 minutes to Philadelphia, PA (PHL-Philadelphia Intl.). Don’t get too content in your seat — you’ll be touching down in Philadelphia in no time at all.
What is the flight distance from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.)?
It’s an easy breezy 810 miles (1,300 1) from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.), making it a short-haul journey. Sit in a window seat and be wowed by the bright lights of Philadelphia as you prepare to come in for landing.
How many morning flights are there from STL to PHL?
Each week, 16 flights leave from STL to PHL before midday. American Airlines (AA) operates 9 of these, with the first one leaving the runway at 6:40AM.
What is the earliest departure time out of St. Louis to Philadelphia?
Leave STL at 6:40AM and arrive at PHL at 8:50AM. This flight is the earliest you can take on this route.
What is the latest departure time out of St. Louis to Philadelphia?
The last flight takes off from STL at 9:10PM and arrives at 11:20PM at PHL. You’ll have plenty of time to prepare for this trip.
What is the average price from St. Louis to Philadelphia?
Flights from STL to PHL are on offer for around $136. You’ll want to move fast, because awesome fares always go quickly! This price was available on Flights.com within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

St. Louis to Philadelphia Flights

Whether it’s for an obligation or the sake of your sanity, sometimes you need to get away. Maybe you need flights from St. Louis to Philadelphia to attend your cousin’s wedding, to pitch a business idea to your boss, or simply treat yourself to a mini vacation. Regardless of the reasons behind packing your bags and needing to find our cheapest flights from STL to PHL, we’ve got you covered here at Flights.com.

We present you with some of the most affordable deals on airfare, so stop that Google flights search. We want you to spend less on your flight from St. Louis to Philadelphia, so you can spend more during your getaway. With Flights.com, you’ll find it simple to land airline tickets with itineraries matching your travel schedule. What’s more, we provide you with all the information you need to confidently make reservations on your family, business, or personal trip.