Cheap flights from Philadelphia to St. Louis

Choose between American Airlines, WN, or Frontier Airlines to find the best price

View all connections

Why travel with Kiwi.com?

Best price

100+ million searches a day to find you the best available price.

Unique content

Explore unique options you won’t find anywhere else.

Travel hacks

Discover flight options and prices the airlines don’t want you to see.

Travelers usually depart from Philadelphia International, Philadelphia, PA - 30th Street , Philadelphia, PA Greyhound Terminal, Philadelphia Market Street bus stop, or Ardmore, PA station when they travel from Philadelphia to St. Louis. Book your trip to arrive at St. Louis Lambert International, or St. Louis Union Station. The distance between Philadelphia and St. Louis is 1307 km. The most popular airlines for this route are American Airlines, WN, Frontier Airlines, Delta Air Lines, and United Airlines. Philadelphia and St. Louis have 168 direct flights per week.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights30323422-2921

Fly direct with

American Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Check-in for a flight from Philadelphia to St. Louis

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
American AirlinesAALAAYesUnknownNo
WNSWAWNNoUnknownNo
Frontier AirlinesFFTF9NoUnknownNo
Delta Air LinesDALDLYesUnknownNo
United AirlinesUALUAYesUnknownNo

Frequently asked questions

How long does it take to travel from Philadelphia to St. Louis?

A one-way nonstop (direct) flight between Philadelphia and St. Louis takes around 2.7 hours.

What is the flight distance between Philadelphia and St. Louis?

The flight distance between Philadelphia and St. Louis is 1307 km.

What airlines offer nonstop (direct) flights between Philadelphia and St. Louis?

Several carriers operate flights between Philadelphia and St. Louis. Airlines offering nonstop (direct) flights include American Airlines.

What are the most popular routes to and from Philadelphia?

Travelers frequently search for route combinations, such as Philadelphia and Charlotte, Berlin, Orlando, Tampa, Zürich, Frankfurt, New Orleans, Fort Myers, Boston, Las Vegas, Atlanta, Hamburg, Brussels, Cincinnati, San Juan, Santo Domingo, Detroit, Miami, Dallas, Billings.

What are the most popular routes to and from St. Louis?

Travelers frequently search for route combinations, such as St. Louis and Frankfurt, Düsseldorf, Munich, Cancún, Las Vegas, Stuttgart, Los Angeles, Seattle, Berlin, Hamburg, Trenton, Portland, Vienna, Fresno, Funchal, Phoenix, San Francisco, Luxembourg City, Dortmund, Cologne.

Which airports are there in Philadelphia?

Philadelphia is mainly served by Philadelphia International. But there are other airports nearby, including Wings Field.

What airports are near Philadelphia?

The main airport in Philadelphia is Philadelphia International. It is also served by Newark Liberty International, John F. Kennedy International, Baltimore–Washington International, Washington Dulles International, LaGuardia, Ronald Reagan Washington National, Trenton–Mercer, Long Island MacArthur, Atlantic City International, Harrisburg International.

What airports are near St. Louis?

The main airport in St. Louis is St. Louis Lambert International. It is also served by St. Louis Lambert International, General Wayne A. Downing Peoria International, Waynesville-St. Robert Regional, Central Illinois Regional, Abraham Lincoln Capital, Evansville Regional, MidAmerica St. Louis, Williamson County Regional, Quincy Regional, Columbia Regional.

What buses and trains depart from Philadelphia?

A number of bus and train companies depart from Philadelphia, including Amtrak train.

Is it possible to combine flights, buses, and trains in one itinerary when traveling between Philadelphia and St. Louis?

What is Virtual Interlining and how do I use it?

Which airlines fly between Philadelphia and St. Louis?

When's the best time to travel between Philadelphia and St. Louis?

What flights operate between Philadelphia and St. Louis?

How many airports are there near Philadelphia?

How many airports are there near St. Louis?

Is it possible to reach Philadelphia by bus or train?

What time do nonstop (direct) flights between Philadelphia and St. Louis depart?

What time do nonstop (direct) flights between Philadelphia and St. Louis arrive?

What time do flights between Philadelphia and St. Louis depart?

What time do flights between Philadelphia and St. Louis arrive?

Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.

Explore alternative destinations

Find the best connection from Philadelphia to St. Louis

Search, compare, and book flights, trains, or buses to get there.

Search flights, trains & buses