Flight Routes from St. Louis to Baltimore

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

Trip type
Cheapest roundtrip flight
from€376
Fastest flight
non-stop flights
80x / week
Flight distance
1,186 km
Time difference

Cheap flight offers from St. Louis to Baltimore

sorted by price and recency
filters
  1. –
    American Airlines
    –
    STL–BWI
    1 stopover
    American Airlines
    –
    BWI–STL
    1 stopover
    €3,017
  2. –
    American Airlines
    –
    STL–BWI
    3 stopovers
    United Airlines
    –
    BWI–STL
    3 stopovers
    €1,613
  3. –
    Alaska Airlines
    –
    STL–BWI
    1 stopover
    Alaska Airlines
    –
    BWI–STL
    1 stopover
    €970
  4. –
    Frontier Airlines
    –
    STL–BWI
    1 stopover
    Alaska Airlines
    –
    BWI–STL
    1 stopover
    €737
  5. –
    American Airlines
    –
    STL–BWI
    1 stopover
    American Airlines
    –
    BWI–STL
    1 stopover
    €577
  6. –
    United Airlines
    –
    STL–BWI
    1 stopover
    United Airlines
    –
    BWI–STL
    1 stopover
    €503

Flight schedule from St. Louis (STL) to Baltimore (BWI)

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

offers
Active filtersnone
Matching outbound flightsSTL–BWI · 12 of 12
fromto
dep.arr.
durationstopovers
  1. November 1 – 7, 2026
  2. November 8 – 14, 2026
  3. November 15 – 21, 2026
    1. STLBWI
      nonstop
      1. Southwest Airlines
    2. STLBWI
      nonstop
      1. Southwest Airlines
    3. STLBWI
      nonstop
      1. Southwest Airlines
    4. STLBWI
      nonstop
      1. Southwest Airlines
    5. STLBWI
      nonstop
      1. Southwest Airlines
    6. STLBWI
      nonstop
      1. Southwest Airlines
    7. STLBWI
      nonstop
      1. Southwest Airlines
    8. STLBWI
      nonstop
      1. Southwest Airlines
    9. STLBWI
      nonstop
      1. Southwest Airlines
    10. STLBWI
      nonstop
      1. Southwest Airlines
    11. STLBWI
      nonstop
      1. Southwest Airlines
    12. STLBWI
      nonstop
      1. Southwest Airlines

      Important flight information

      Discover more flights around St. Louis and Baltimore

      Departure airport Airport St. Louis - Lambert International Airport (STL)
      Arrival airport Airport Baltimore-Washington International-Thurgood Marshall Airport, MD (BWI)
      Destination country Flights to United States
      Departure airport - Destination country St. Louis - Lambert International Airport - United States