Southwest Airlines
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United States
Lambert-Saint Louis International Airport
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United States
Logan International Airport
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Scan through all non-stop flights from St. Louis to Boston. The full flight schedule below gives an overview of all non-stop flights from STL to BOS, which includes the daily timetable of every operating airline for the upcoming 12 months.
Note: for airline-specific flight schedules, please scroll further down.
Known for its continental climate, Boston features hot, humid summers with temperatures above 30°C (86°F) and cold, snowy winters that often drop below 0°C (32°F). This striking seasonal contrast offers travelers a variety of activities, from summer hiking to winter sports, ensuring year-round appeal.
The best time to visit Boston is from March to November, covering spring, summer, and fall. While summer can be hot, it also sees slightly more rainfall than other seasons.

In total there are 2 airlines operating nonstop flights from St. Louis STL to Boston BOS. This section gives an overview of the flight schedules and timetables of every airline with direct flights for this route.
Click an airline below to view their STL BOS flight schedule.
Flights from STL to BOS are operated 31 times a week, with an average of 4 flights per day. Departure times vary between 06:00 - 20:45. The earliest flight departs at 06:00, the last flight departs at 20:45. However, this depends on the date you are flying so please check with the full flight schedule above to see which departure times are available on your preferred date(s) of travel.
You can fly in Economy and Business Class. Premium Economy and First Class are not available on this route (at least not as a non-stop flight).
The fastest direct flight from St. Louis to Boston takes 2 hours and 38 minutes. The flight distance between St. Louis and Boston is 1,043 miles (or 1,679 km).
There is 1 airport in Boston: Logan International Airport (BOS).
There are 31 flights per week flying from St. Louis to Boston (as of April 2026).
2 hours and 38 minutes is the average flight time from St. Louis to Boston.
The distance from St. Louis to Boston is 1,043 miles (1,679 kilometers).
American Airlines and Southwest Airlines are flying nonstop from St. Louis to Boston.
Oneworld is currently the only alliance flying nonstop from St. Louis to Boston.
You can fly non-stop in Economy and Business Class.
Aircraft types that fly from St. Louis to Boston:
The earliest flight departs at 06:00 from St. Louis and arrives at 09:35 at Boston.
The latest flight departs at 20:45 from St. Louis and arrives at 00:15 at Boston.
1,043 miles (1,679 km) · 2h 38m
10:15
13:45
Southwest Airlines
WN 4277
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:15
13:50
Southwest Airlines
WN 3948
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
10:15
13:50
Southwest Airlines
WN 3948
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:15
13:50
Southwest Airlines
WN 3948
Southwest Airlines
Boeing 757
Y
W
J
F
10:20
13:50
Southwest Airlines
WN 4277
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
10:35
14:10
Southwest Airlines
WN 454
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
10:39
14:20
American Airlines
Oneworld
AA 4415
American Airlines
Embraer 175
Y
W
J
F
11:45
15:31
American Airlines
Oneworld
AA 4624
American Airlines
Embraer 175
Y
W
J
F
11:45
15:31
American Airlines
Oneworld
AA 4624
American Airlines
Embraer 175
Y
W
J
F
11:50
15:30
American Airlines
Oneworld
AA 4031
American Airlines
Embraer 175
Y
W
J
F
11:59
15:40
American Airlines
Oneworld
AA 4415
American Airlines
Embraer 175
Y
W
J
F
13:25
16:55
Southwest Airlines
WN 4277
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
13:45
17:20
Southwest Airlines
WN 4438
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
14:30
18:05
Southwest Airlines
WN 4438
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
14:50
18:25
Southwest Airlines
WN 4438
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
17:49
21:30
American Airlines
Oneworld
AA 4224
American Airlines
Embraer 175
Y
W
J
F
17:50
21:30
American Airlines
Oneworld
AA 3867
American Airlines
Embraer 175
Y
W
J
F
17:54
21:35
American Airlines
Oneworld
AA 4224
American Airlines
Embraer 175
Y
W
J
F
18:50
22:20
Southwest Airlines
WN 4439
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
18:55
22:25
Southwest Airlines
WN 4439
Southwest Airlines
Boeing 757
Y
W
J
F
19:40
23:05
Southwest Airlines
WN 3731
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
19:40
23:10
Southwest Airlines
WN 4439
Southwest Airlines
Boeing 737-800 (winglets)
Y
W
J
F
19:45
23:10
Southwest Airlines
WN 3731
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
19:55
23:25
Southwest Airlines
WN 4439
Southwest Airlines
Boeing 737 MAX 8
Y
W
J
F
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