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Cheap Flights from Pittsburgh to St Louis, MO, United States - PIT to STL

Popular flights from Pittsburgh to St Louis

We’ve got the inside scoop on finding the best time to fly for the best price. Not sure when to travel for your next vacation? Find details below on when-to-fly and when-to-buy.

American Airlines
Departure Date Return Date Lowest Price
Aug 3, 2016 Aug 9, 2016 $169
United Airlines
Departure Date Return Date Lowest Price
Jun 7, 2016 Jun 14, 2016 $170

How Much Does it Cost to Fly from Pittsburgh to St Louis (PIT to STL)?

We have collected flight cost data from across the web for travel from Pittsburgh to St Louis, and have found the average flight price for this trip to be $175.

When Can I Buy the Cheapest Flight from Pittsburgh to St Louis (PIT to STL)?

Airlines can adjust prices for plane tickets from Pittsburgh to St Louis based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

Cheapest Day To Fly from Pittsburgh to St Louis

The chart below shows up-to-date information regarding the cheapest days to fly from Pittsburgh to St Louis.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$174 $170 $186 $174 $174 $174 $174

Round Trip vs One Way Flights from Pittsburgh to St Louis (PIT to STL)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Pittsburgh to St Louis. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Pittsburgh to St Louis is $85.

The average price for round trip flights from Pittsburgh to St Louis is $179.

Pittsburgh to St Louis Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Pittsburgh to St Louis?
Answer: Chicago, IL

Airlines Flying from Pittsburgh to St Louis (PIT to STL)

Below are the different airlines that fly from Pittsburgh to St Louis with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Pittsburgh to St Louis.

Pittsburgh to St Louis
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American DCA X X X X X X X
Delta DTW X X X X X X X
Delta DTW / CVG X X X X X X
United ORD X X X X X X X
Southwest - X X X X X X X
Southwest DAL X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Pittsburgh and St Louis, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Pittsburgh - PIT

FlightsAirlineLowest Price
Pittsburgh to Chicago American, Frontier, United $108
Pittsburgh to Atlanta American, Frontier, United $128
Pittsburgh to Dallas - Ft Worth American, United $210

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
Washington to St Louis American, Alaska, United $202
Baltimore to St Louis American, Alaska, United $251
Columbus to St Louis American, Alaska, United $212
Cleveland to St Louis American, Alaska, United $162
Buffalo to St Louis American, Alaska, United $344
Akron - Canton to St Louis American, United $283
Charlottesville to St Louis American, United $288
Harrisburg to St Louis American, Alaska, United $381
State College to St Louis American, United $452
Charleston to St Louis American, United $472
Huntington to St Louis American $618
Washington to Chicago American, Alaska, Frontier, United $88
Baltimore to Chicago American, Spirit, United $89
Baltimore to Atlanta American, Spirit, United $117
Washington to Atlanta American, Alaska, JetBlue, United $166
Columbus to Chicago American, United $185
Cleveland to Chicago American, United $197
Buffalo to Chicago American, United $226
Washington to Dallas - Ft Worth American, Alaska, United, Virgin America $127
Washington to New York American, JetBlue, United $137
Baltimore to Dallas - Ft Worth American, JetBlue, Spirit, United $89
Buffalo to Atlanta American, United $290
Columbus to Atlanta American, United $213
Cleveland to Atlanta American, Frontier, Spirit, United $81
Akron - Canton to Chicago United $237
Harrisburg to Chicago American, United $349
Cleveland to Dallas - Ft Worth American, Spirit, United $106
Cheap Flights from Pittsburgh to St Louis, MO, United States, from $169 Round trip from PIT to STL