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Amazing American Airlines STL to PHL Flight Deals

The cheapest flights to Philadelphia Intl. found within the past 7 days were round trip and $99 one way. Prices and availability subject to change. Additional terms may apply.


Carrier Flight Depart STL Arrive PHL Fri
6/5
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6/7
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6/8
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6/10
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6/11
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AA 5125 06:37 am 09:47 am Check fare - Check fare Check fare - Check fare Check fare 0 stop(s)
AA 4575 01:20 pm 04:37 pm Check fare - Check fare Check fare - Check fare Check fare 0 stop(s)

FAQs about American Airlines Flights from STL to PHL

What terminal is American Airlines at St. Louis Lambert International Airport?

At St. Louis, MO (STL-Lambert-St. Louis Intl.), American Airlines flights to Philadelphia, PA (PHL-Philadelphia Intl.) normally depart from terminal 1. Unsure as to which terminal you'll be arriving at? It's most likely to be terminal F.

Are there American Airlines non-stop flights from STL to PHL?

Yes, there are. Secure your seat on a direct flight with American Airlines from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.), and you won't have to worry about boring stopovers or trying to make your connecting flight.

How long is an American Airlines flight from STL to PHL?

Your American Airlines flight will get you from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.) in just 3 hours and 51 minutes. If you're not too fond of speaking to other travelers while you're thousands of feet in the air, don't stress — you won't have to shoot the breeze for too long.

What type of aircraft does American Airlines fly from STL to PHL?

The Airbus A319 and the Embraer 175 are the two types of aircraft typically operated by American Airlines between STL and PHL.

How many direct and indirect flights does American Airlines fly from STL to PHL?

If you need to book a trip from STL to PHL, you can pick from 4 American Airlines flights per day.

Flying Tips & Tricks How do I find my flight number?
  • After you finalize your booking, an itinerary will be sent to your email inbox. You'll be able to find the flight number (a combination of numerals and letters) in this document.
How early can you check bags for a flight?
  • Arriving at the airport early is an excellent way to ease the burden of traveling. Typically, you can drop your cabin luggage three hours prior to an international flight and two hours before a domestic flight.

American Airlines Flights from STL to PHL

Travelocity is proud to offer some of the lowest fares on American Airlines flights from St. Louis to Philadelphia. With our low price guarantee and free 24 hour cancellation, you can book that flight to PHL with confidence today. Choose from some of the best days to fly with our flexible booking calendar and you’ll save even more money on your journey from STL to PHL. Whether you’re on the way to a well-deserved vacation or just flying for business, take advantage of these airfare deals today and go and smell the roses!


*Price based on the lowest price found within past 24 hours and based upon one night stay for two adults over the next thirty days. Prices and availability subject to change. Additional terms may apply.