Flight Routes from St. Louis to Portland

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

Trip type
Fastest outbound flight
Fastest inbound flight
Flight distance
1,761 km
Time difference

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

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

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  1. October 11 – 17, 2026
  2. October 18 – 24, 2026
  3. October 25 – 31, 2026
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        Important flight information

        Discover more flights around St. Louis and Portland

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