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Fares from $39 One Way, $182 Round Trip from St. Louis to Philadelphia

Prices starting at $182 for return flights and $39 for one-way flights to Philadelphia were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.

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More About Flying To Philadelphia from St. Louis

Route Information for Flights from St. Louis to Philadelphia

Origin Airport IATA CodeSTL
Destination Airport IATA CodeILG
Distance811 mi
Direct Flight AirlinesAmerican Airlines, Southwest Airlines
Earliest Flight Arrival2:06PM UTC
Latest Flight Arrival1:49AM UTC

Plan Your Trip from St Louis to Philadelphia

Lambert-St. Louis International Airport

Planning a trip on a budget can often be a challenge. Orbitz.com allows travelers to search many different airlines at once to find cheap flights from St. Louis, Missouri. The Lambert-St. Louis International Airport is located 15 miles northwest of downtown on Airflight Drive. Thirteen airlines provide services to the airport, including US Airways, United Airlines, Delta and American Airlines.

Parking at the Airport

Parking at the Lambert-St. Louis International Airport is provided by Super Park. Both long-term and short-term parking are available. Shuttle services are available 24 hours a day to and from the parking areas to the main terminal. Super Park ensures the closest parking available, and in many cases, parking is within walking distance to the terminal. Fees are charged by the hour or by the day with discounts for weekly parking.

Transportation to the Airport

Go Best Express Airport Shuttle offers shared shuttle rides to and from all downtown hotels and businesses in St. Louis. Shuttles are available every 15 to 30 minutes all day, and reservations are recommended. The MetroLink has 37 stations that provide service to and from the airport. The Link is available for a flat fee. The Metropolitan Taxicab Commission services the Lambert-St. Louis International Airport, and it provides metered transportation in and around St. Louis. Exact fares depend on the destination, and taxis require an additional $3 airport fee. Limos are available for rent by the day or by the hour, and many local hotels provide complimentary shuttles to and from the airport for their guests. Orbitz.com can assist travelers in locating cheap car rental agencies in the area.

Dining Options at Lambert-St. Louis International Airport

The Lambert-St. Louis International Airport offers many excellent food options for those who want to eat before their flight. The Great American Bagel Company offers many bagel varieties, as well as fresh coffee and juice. Starbucks is available at the Lambert's East Terminal and has a selection of blended coffees and bakery items. For travelers who prefer a sit-down meal before reaching the airport, Half and Half is located near the airport in St. Louis and offers eggs, toast, bacon and fresh donuts. For individuals looking for travel deals, Orbitz.com can provide assistance in locating cheap flights from St. Louis.

Philadelphia Airport Information

The Philadelphia International Airport, the primary airport serving the greater Philadelphia area, is located roughly 7 miles southwest of the city, with easy access via I-95, I-76 or Route 291. Travelers who book their flights to Philadelphia through Orbitz.com will have their pick of any of the major air passenger carriers that service the airport.

Ground Transportation in Philadelphia

Public transportation is available from the airport to the downtown area via SEPTA bus or rail service. Although share-a-ride, shuttle, private car and limousine services are available, many visitors to Philadelphia take a taxi into the city. If you take a taxi from the airport to downtown Philadelphia, you will be charged a flat rate of $28.50. For other destinations, expect to pay a fee of $2.70 plus $2.30 per mile. Book your air tickets through Orbitz.com, and you may be able to bundle in a bargain rate on a rental car or find a Philadelphia hotel that offers free shuttle service to and from the airport.

Philadelphia Weather Information

Philadelphia is subject to cold winters, with temperatures in the mid-20s to low 40s. Summers are hot and humid, with temperatures that can soar into the 90s. Expect snow accumulation in the winter months, and be sure to bring your parka and a warm, comfortable pair of boots.

What to Do in Philadelphia

Philadelphia may be a bit of a college town, but it is also a mecca for history buffs. You'll want to be sure to visit Independence Hall, the Liberty Bell, the Betsy Ross House and Franklin Square. Enjoy your trip to Philadelphia, and remember to use Orbitz.com when you are ready to book flights to Philadelphia for your return visit.

Flights from St. Louis to Philadelphia - Frequently Asked Questions

Are there non-stop flights from St. Louis to Philadelphia?

American Airlines and Southwest Airlines operate direct flights from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.), which means you won't need to worry about changing planes or being hopelessly bored on a stopover.

What is the shortest flight from St. Louis to Philadelphia?

It can take as little as 2 hours and 5 minutes to fly from St. Louis, MO (STL-Lambert-St. Louis Intl.) to Philadelphia, PA (PHL-Philadelphia Intl.). Settle in and enjoy the service, because you'll be strolling through arrivals before you know it.

What airlines fly from St. Louis (and vicinity) to Philadelphia (and vicinity) most frequently?

Consider booking a flight with American Airlines (AA), which flies frequently along this route. This airline operates 123 flights each month between St. Louis, MO Airport (STL-Lambert-St. Louis Intl.) and Philadelphia, PA Airport (PHL-Philadelphia Intl.). Alternatively, reserve your favorite window (or aisle) seat with Southwest Airlines (WN). You'll have 65 monthly flights between St. Louis (and vicinity) and Philadelphia (and vicinity) to take your pick of with this company.

If I am not able to travel due to COVID-19, can I cancel my flight to Philadelphia?

We get that traveling right now has its challenges, so it's good to know that many reservations booked through us are able to be cancelled or changed. If your travel plans to Philadelphia have been affected by COVID-19, a lot of airlines are making things easier by offering credits to use at a later date. Just sign in to your account and you'll quickly see what options are available. Our Customer Service Portal is the place to go for more information.

Are there flights to Philadelphia with flexible change policies?

In most cases you'll have the option to reschedule your flight to Philadelphia without a change fee. All you have to do then is pay the difference between the old flight and the new one. Look for the "no change fees" filter and book with confidence.

What is the cheapest day of the week to fly?

Consider flying out early in the week to save on your airfare. Orbitz data from 2019 shows that Tuesday is the cheapest day to depart, followed by Monday. Saturday showed the highest average ticket prices likely because many travelers prefer to start their vacation on a weekend.

What is the cheapest month to fly?

We won't keep you guessing, according to Orbitz data the cheapest month to fly is February. Perfect for those who need a weekend getaway, or just a fresh start to the new year. Be aware that the most expensive time to fly isn't the height of summer, as most people assume, but the festive month of December.

How can I save money on flights?

To really save big on your next vacation, think outside the box. Select two different airlines or fare types for your return trip and you'll generally get a much better deal. Those who tried this on Orbitz in 2019 saved over 50% on their airfares. Get mixing and matching today!

*According to flight demand on Orbitz.com from January to December 2019. Savings are subject to change based on departure location, date and destination.

^Savings based on all package bookings with Flight + Hotel made on Orbitz.com from January 1, 2019 to December 31, 2019 as compared to the price of the same components booked separately. Savings will vary based on origin/destination, length of trip, stay dates and selected travel supplier(s). Savings not available on all packages.