What is the flight distance between BOS and STL?

Distance between Logan International Airport (BOS) and Lambert-St. Louis International Airport (STL) is 1681 kilometers or 1045 miles.

Distance From Logan International Airport to Lambert-St. Louis International Airport (BOS - STL Distance)

Q: How long is the flight from BOS to STL?

Flight time from Logan International Airport, Boston, United States to Lambert-St. Louis International Airport, Saint Louis, United States is 2 hours 5 minutes under avarage conditions.

Q: What is the time difference between Boston, United States and Saint Louis, United States?

Time difference between Boston (United States) and Saint Louis (United States) is 0 Hours. It is currently 20:46 in Logan International Airport (BOS) and 20:46 in Lambert-St. Louis International Airport (STL).

The flight distance from Logan International Airport (BOS) to Lambert-St. Louis International Airport (STL) is 1045 miles. This is equivalent to 1681 kilometers or 907 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.

1681 kilometers is the distance from Logan International Airport, United States to Lambert-St. Louis International Airport, United States.

Flight Duration between Boston, United States and Saint Louis, United States

Estimated flight time from Logan International Airport, Boston, United States to Lambert-St. Louis International Airport, Saint Louis, United States is 2 hours 5 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.

Time Difference Between the Airports • BOS - STL

Time difference between Boston (United States) and Saint Louis (United States) is 0 Hours.
Current local time in Boston is 2025-12-13, 20:46:48 EST and time in Saint Louis is 2025-12-13, 20:46:48 EST.

Logan International Airport to Lambert-St. Louis International Airport Flight Route Map - BOS to STL Flight Path

Location of Logan International Airport & Lambert-St. Louis International Airport is given below.
Click the map to view Boston to Saint Louis nonstop flight path and travel direction.

Click to see flight route on Google Map between Boston, United States and Saint Louis, United States. .

Nonstop flight route between Boston, United States and Saint Louis, United States.

Logan International Airport
City:	Boston
Country:	United States
IATA Code:	BOS
ICAO Code:	KBOS
GPS Coordinates:	Latitude: N 42° 21' 51.6'' Longitude: W 71° 0' 18.7''
Current time:	2025-12-13, 20:46:48 EST
Current weather:	Logan International Airport 15 day weather forecast

Lambert-St. Louis International Airport
City:	Saint Louis
Country:	United States
IATA Code:	STL
ICAO Code:	KSTL
GPS Coordinates:	Latitude: N 38° 44' 55.3'' Longitude: W 90° 22' 12.1''
Current time:	2025-12-13, 20:46:48 EST
Current weather:	Lambert-St. Louis International Airport 15 day weather forecast
Flights: