Flight Routes from Portland to St. Louis

Compare cheap outbound and return flights from Portland (PWM) to St. Louis (STL) and find the best offer from numerous airlines and travel agencies.

Trip type
Cheapest roundtrip flight
from€396
Fastest flight
non-stop flights
6x / week
Flight distance
1,761 km
Time difference

Flight schedule from Portland (PWM) to St. Louis (STL)

Select a travel date in the flight schedule for the route from Portland (PWM) to St. Louis (STL) and compare affordable flight deals.

offers
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Matching outbound flightsPWM–STL · 2 of 2
fromto
dep.arr.
durationstopovers
  1. October 11 – 17, 2026
  2. October 18 – 24, 2026
  3. October 25 – 31, 2026
    1. PWMSTL
      nonstop
      1. Southwest Airlines
    2. PWMSTL
      nonstop
      1. Southwest Airlines

      Important flight information

      Discover more flights around Portland and St. Louis

      Departure airport Airport Portland, ME (PWM)
      Arrival airport Airport St. Louis - Lambert International Airport (STL)
      Destination country Flights to United States
      Departure airport - Destination country Portland, ME - United States
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