St. LouisBostonDirect FlightsSTL–BOS
St. Louis (St. Louis Lambert International Airport) to Boston (Boston Logan International Airport).
Flight time from STL to BOS is estimated at about 2h 44m, based on the 1,044-mile great-circle distance. Our current captured departure sample includes 4-5/day across 2 captured airlines, with Southwest Airlines appearing most often in that sample. Captured departure times run from 08:39 to 20:45 local time.
Plan this routeAt a glance
| Est. flight time | Distance | Captured freq. | Type |
|---|---|---|---|
| ~2h 44m Estimated from great-circle distance — no tracked flights yet. | 1,044 mi | 4-5/day From the current provider sample; confirm live timetables before booking. | Domestic |
Airlines on this route
Captured airlines for STL to BOS
Our current provider sample includes 4-5/day from STL to BOS across 2 captured airlines. Captured departure terminal data is available for 2, 1.
- First departure
- 08:39
- Last departure
- 20:45
- Cadence
- ~hourly
- Captured departures/day
- 16
| Airline | Captured daily freq. | Aircraft | Departures (local) |
|---|---|---|---|
| Southwest Airlines | 3/day | Boeing 737 · Terminal 2 · Seat map | 09:5510:15 |
Aircraft on this route
Flying the other way?
BOS to STL flights — 4-5/day on 3 airlines →Methodology: airline, aircraft, terminal, and departure-time details come from the rolling scheduled-departures window for STL to BOS, last seen June 15, 2026. Frequency uses 34 scheduled departures across 7 observed days; flight time is estimated from great-circle distance until this route has enough tracked flights for an observed average. Provider coverage can miss operators on some routes, so confirm live timetables before booking.
Route FAQ
How long is the flight from STL to BOS?
The STL to BOS flight time is estimated at about 2h 44m from great-circle distance until enough tracked flights are available.
How far is STL from BOS?
STL to BOS is about 1,044 miles by air.
Which airlines fly from STL to BOS?
Our current provider sample for STL to BOS includes Southwest Airlines, American Airlines. Confirm live timetables before booking.
What aircraft fly from STL to BOS?
Aircraft captured in our current provider sample for STL to BOS include Boeing 737, Embraer E-Jet.