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Travelers usually depart from Pittsburgh International, Pittsburgh, or Pittsburgh, PA-David L. Lawrence Convention Center when they travel from Pittsburgh to St. Louis. Book your trip to arrive at St. Louis Lambert International, or St. Louis Union Station. The distance between Pittsburgh and St. Louis is 890 km. The most popular airlines for this route are American Airlines, United Airlines, Delta Air Lines, Spirit Airlines, and Frontier Airlines. Pittsburgh and St. Louis have 282 direct flights per week.

Weekly direct flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Direct flights29375246-5167

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

NameCarrier codeIATA CodePassport needed during bookingOnline check-in available
American AirlinesAALAAYesNo
United AirlinesUALUAYesNo
Delta Air LinesDALDLYesOpens 24 days before flight
Closes 1 hours before flight
Spirit AirlinesNKSNKNoOpens 24 days before flight
Closes 1 hours before flight
Frontier AirlinesFFTF9NoOpens 24 days before flight
Closes 1 hours before flight

Frequently asked questions

How long does it take to travel from Pittsburgh to St. Louis?
A one-way nonstop (direct) flight between Pittsburgh and St. Louis takes around 1.7 hours.
What is the flight distance between Pittsburgh and St. Louis?
The flight distance between Pittsburgh and St. Louis is 890 km.
What are the most popular routes to and from Pittsburgh?
Travelers frequently search for route combinations, such as Pittsburgh and London, Manchester, Los Angeles, New Orleans, Boston, Athens, Dallas, Las Vegas, Charleston, San Jose, Austin, Orlando, Jacksonville, Denver, Paris, Reykjavik, Edmonton, Dublin, Perth, Fort Lauderdale.
What are the most popular routes to and from St. Louis?
Travelers frequently search for route combinations, such as St. Louis and London, Manchester, New York, Cebu, San Jose, Atlanta, Los Angeles, Orlando, Edinburgh, Houston, San Francisco, Seattle, Phoenix, Portland, Denver, Dallas, Glasgow, Paris, Charlotte, Washington, D.C..
Which airports are there in Pittsburgh?
Pittsburgh is mainly served by Pittsburgh International. But there are other airports nearby, including Allegheny County Airport.
What airports are near Pittsburgh?
The main airport in Pittsburgh is Pittsburgh International. It is also served by Cleveland Hopkins International, Akron–Canton, Arnold Palmer Regional, Morgantown Municipal, DuBois Regional, Altoona–Blair County, North Central West Virginia, Bradford Regional, University Park, Hagerstown Regional.
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, Central Illinois Regional, Waynesville-St. Robert Regional, Williamson County Regional, MidAmerica St. Louis, Evansville Regional, Quincy Regional, Columbia Regional, Abraham Lincoln Capital.
What buses and trains depart from Pittsburgh?
A number of bus and train companies depart from Pittsburgh, including Mountain Line Transit Authority.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Pittsburgh and St. Louis?
Yes, it's possible to combine different modes of transport between Pittsburgh and St. Louis thanks to our Virtual Interlining technology. Making use of not only flights but also trains and buses between Pittsburgh and St. Louis can give rise to new adventures. Read more about how Virtual Interlining works on Kiwi.com Stories.
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How many airports are there near St. Louis?
Is it possible to reach Pittsburgh by bus or train?
What time do nonstop (direct) flights between Pittsburgh and St. Louis depart?
What time do nonstop (direct) flights between Pittsburgh and St. Louis arrive?
What time do flights between Pittsburgh and St. Louis depart?
What time do flights between Pittsburgh 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.

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