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

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$256
Frontier Airlines outward: Aug 12, 2019
6:00p BOS » 1:59a STL
Frontier Airlines 1 stop (7h59m)
United Airlines inbound: Aug 16, 2019
1:00p STL » 6:42p BOS
United Airlines 1 stop (5h42m)
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Airlines operating flights from Boston to St Louis

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Travel tips for flights Boston - St Louis

Average flight duration: 6h50m (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:
  • Apr 26, 2019 2:43 AM, GMT-5
  • Weather:
  • min. 73ºF, max. 83ºF
  • Departure city:
  • Boston, USA
  • Airport(s):
  • Logan International Airport (BOS)
  • Manchester–Boston Regional Airport (MHT)
  • Local time:
  • Apr 26, 2019 3:43 AM, GMT-4
  • Weather:
  • min. 42ºF, max. 56ºF