Nonstop flights from St. Louis to Boston

2 airlines fly this route, with up to 5 flights a day.

STLSt. Louis Lambert International

1,043 mi · 34 flights a week

BOSBoston Logan International

STLBOS

When they leave

St. Louis time

7:00a8:00pFirst departure 7:00 AM, last 8:00 PM

Five in the morning, 7:00 AM to 11:40 AM, then three in the afternoon, 1:20 PM to 1:50 PM, then three in the evening, 6:40 PM to 8:00 PM.

Every flight

Earliest first

7:00 AM→10:35 AMSouthwest AirlinesBoeing 737Mon, Thu, Fri
9:34 AM→1:22 PMAmerican AirlinesEmbraer 175Sun
9:44 AM→1:29 PMAmerican AirlinesEmbraer 175Mon, Tue, Wed, Thu, Fri
10:25 AM→2:00 PMSouthwest AirlinesBoeing 737 MAX 8Tue, Wed
11:40 AM→3:15 PMSouthwest AirlinesBoeing 737-700Sat
1:20 PM→4:55 PMSouthwest AirlinesBoeing 737 MAX 8Tue, Wed
1:30 PM→5:05 PMSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri, Sat, Sun
1:50 PM→5:25 PMSouthwest AirlinesBoeing 737-700Sun
6:40 PM→10:15 PMSouthwest AirlinesBoeing 737Tue, Wed, Sat, Sun
7:00 PM→10:30 PMSouthwest AirlinesBoeing 737Mon, Thu, Fri
8:00 PM→11:44 PMAmerican AirlinesEmbraer 175Daily

Schedules last checked Sep 19, 2026. Times are local.

Flying from St. Louis to Boston

Southwest Airlines flies most often, 3 times a day on the Boeing 737, Boeing 737 MAX 8 and Boeing 737-700. American Airlines flies 1 to 2 times a day on the Embraer 175.

There are 4 or 5 flights every day of the week. The first arrival in Boston is at 10:35 AM and the last at 11:44 PM. The flight covers 1,043 miles.

Flying back, Boston to St. Louis has 34 nonstop flights a week.

Return flights

Boston to St. LouisView

Find the cheapest day to fly from St. Louis to Boston.

Schedules as of Oct 9, 2026.