Flight Routes from St. Louis to Buffalo

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

Trip type
Cheapest roundtrip flight
from€362
Fastest outbound flight
Fastest inbound flight
non-stop flights
7x / week
Flight distance
1,084 km
Time difference

Cheap flight offers from St. Louis to Buffalo

sorted by price and recency
  1. –
    American Airlines
    –
    STL–BUF
    1 stopover
    American Airlines
    –
    BUF–STL
    1 stopover
    €3,050
  2. –
    Aeroméxico
    –
    STL–BUF
    3 stopovers
    American Airlines
    –
    BUF–STL
    3 stopovers
    €2,986
  3. –
    American Airlines
    –
    STL–BUF
    1 stopover
    American Airlines
    –
    BUF–STL
    1 stopover
    €513
  4. –
    American Airlines
    –
    STL–BUF
    1 stopover
    American Airlines
    –
    BUF–STL
    1 stopover
    €433
  5. –
    American Airlines
    –
    STL–BUF
    1 stopover
    American Airlines
    –
    BUF–STL
    1 stopover
    €362

Flight schedule from St. Louis (STL) to Buffalo (BUF)

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

offers
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Matching outbound flightsSTL–BUF · 0 of 0
fromto
dep.arr.
durationstopovers
  1. November 1 – 7, 2026
  2. November 8 – 14, 2026
  3. November 15 – 21, 2026
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        Important flight information

        Discover more flights around St. Louis and Buffalo

        Departure airport Airport St. Louis - Lambert International Airport (STL)
        Arrival airport Airport Buffalo Niagara International, NY (BUF)
        Destination country Flights to United States
        Departure airport - Destination country St. Louis - Lambert International Airport - United States