Take off on cheap flights from Pittsburgh to St Louis, your adventure starts now!

Find cheap airline tickets from Pittsburgh to St Louis by date

  • any
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • any
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • price
  • month of departure
  • month of return
$232
United Airlines outward: Jun 5, 2019
1:30a PIT » 6:28a STL
United Airlines 1 stop (4h58m)
United Airlines inbound: Jun 9, 2019
1:57a STL » 5:59a PIT
United Airlines 1 stop (4h02m)
$242
United Airlines outward: Aug 23, 2019
12:05p PIT » 4:14p STL
United Airlines 1 stop (4h09m)
United Airlines inbound: Aug 26, 2019
2:00a STL » 5:54a PIT
United Airlines 1 stop (3h54m)
$243
United Airlines outward: May 23, 2019
12:05p PIT » 4:50p STL
United Airlines 1 stop (4h45m)
United Airlines inbound: May 27, 2019
1:57a STL » 5:55a PIT
United Airlines 1 stop (3h58m)
$243
United Airlines outward: May 23, 2019
12:05p PIT » 4:50p STL
United Airlines 1 stop (4h45m)
United Airlines inbound: May 27, 2019
1:57a STL » 5:55a PIT
United Airlines 1 stop (3h58m)
Return
Departure
Find the cheapest Pittsburgh St Louis flight by browsing the dates below to find alternative flight prices found in the last days. To launch a flight search for Pittsburgh - St Louis with these new dates, click on an offer. Want to depart from another city? Choose:

Airlines operating flights from Pittsburgh to St Louis

  • any
  • May 2019
  • June 2019
  • July 2019
  • August 2019
  • September 2019
  • October 2019
  • November 2019
  • December 2019
  • January 2020
  • February 2020
  • March 2020
  • April 2020
  • all
  • Alaska Airlines
  • American Airlines
  • JetBlue
  • Southwest Airlines
  • United Airlines
Southwest Airlines
outbound: Aug 23, 2019
Southwest Airlines 1 stop
return: Aug 25, 2019
Southwest Airlines direct
JetBlue
outbound: Aug 23, 2019
JetBlue 3 stops
return: Aug 25, 2019
Cape Air 3 stops
United Airlines
outbound: Aug 23, 2019
United Airlines 1 stop
return: Aug 25, 2019
United Airlines 1 stop
American Airlines
outbound: Aug 23, 2019
American Airlines 1 stop
return: Aug 25, 2019
American Airlines 1 stop
Alaska Airlines
outbound: Aug 23, 2019
Alaska Airlines 1 stop
return: Aug 25, 2019
Alaska Airlines 1 stop

Travel tips for flights Pittsburgh - St Louis

Average flight duration: 4h21m (flight with stopovers)

  • Arrival city:
  • St Louis, USA
  • Airport(s):
  • St. Louis Downtown Airport (CPS)
  • Lambert–St. Louis International Airport (STL)
  • MidAmerica St. Louis Airport (BLV)
  • Spirit of St. Louis Airport (SUS)
  • Local time:
  • May 22, 2019 12:11 PM, GMT-5
  • Weather:
  • min. 70ºF, max. 77ºF
  • Departure city:
  • Pittsburgh, USA
  • Airport(s):
  • Allegheny County Airport (AGC)
  • Pittsburgh International Airport (PIT)
  • Local time:
  • May 22, 2019 1:11 PM, GMT-4
  • Weather:
  • min. 55ºF, max. 80ºF