Nonstop flights from Boston to St. Louis

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

BOSBoston Logan International

1,043 mi · 34 flights a week

STLSt. Louis Lambert International

BOSSTL

When they leave

Boston time

5:00a6:05pFirst departure 5:00 AM, last 6:05 PM

Six in the morning, 5:00 AM to 10:45 AM, then three in the afternoon, 1:05 PM to 1:30 PM, then four in the evening, 5:22 PM to 6:05 PM.

Every flight

Earliest first

5:00 AM→6:50 AMSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri
5:30 AM→7:20 AMSouthwest AirlinesBoeing 737Sun
5:35 AM→7:25 AMSouthwest AirlinesBoeing 737Tue, Wed
7:00 AM→9:04 AMAmerican AirlinesEmbraer 175Sun
7:09 AM→9:13 AMAmerican AirlinesEmbraer 175Mon, Tue, Wed, Thu, Fri
10:45 AM→12:35 PMSouthwest AirlinesBoeing 737 MAX 8Sat
1:05 PM→2:55 PMSouthwest AirlinesBoeing 737Tue, Wed, Sun
1:10 PM→3:00 PMSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri
1:30 PM→3:20 PMSouthwest AirlinesBoeing 737-700Sat
5:22 PM→7:30 PMAmerican AirlinesEmbraer 175Daily
5:45 PM→7:40 PMSouthwest AirlinesBoeing 737 MAX 8Tue, Wed, Sat
5:50 PM→7:45 PMSouthwest AirlinesBoeing 737 MAX 8Mon, Thu, Fri
6:05 PM→8:00 PMSouthwest AirlinesBoeing 737-700Sun

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

Flying from Boston to St. Louis

Southwest Airlines flies most often, 3 times a day on the Boeing 737 MAX 8, Boeing 737 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 St. Louis is at 6:50 AM and the last at 8:00 PM. The flight covers 1,043 miles.

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

Return flights

St. Louis to BostonView

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

Schedules as of Oct 9, 2026.