St Louis to Boston (STL–BOS) — Airlines, Schedules & Connections
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No nonstop flights on this route. connecting options below.
STL–BOS is served by 2 airlines with nonstop service. Southwest Airlines and American Airlines lead the route. The flight covers 1,044 miles in approximately 2h 30m. Beyond nonstop, 69 hubs offer 1-stop connections.
Airline Landscape
| Airline | Freq/wk | Aircraft | Duration | Dep OTP | Alliance | Codeshares |
|---|---|---|---|---|---|---|
| WN Southwest Airlines | 26 | 73H, 7M8, 7S7, B38M | 2h30-3h26 | – | – | |
| AA American Airlines | 20 | E70, E75, E75S | 2h46-3h37 | Oneworld | – |
Weekly Schedule Pattern
Connection Landscape
On-Time Performance
Travel Essentials
STL: EDT · BOS: EDT
When it's 6:00 PM in St Louis, it's 6:00 PM in Boston.
Silver Line SL1 (free from Logan) runs to South Station in 15–20 minutes, connecting to the Red Line subway and Amtrak services. The Massport Shuttle connects all Logan terminals and the remote parking areas; it's also the transfer between terminals. Water taxi to Long Wharf (downtown) is $12 and runs seasonally; check weather and schedule.Taxis to downtown Boston cost $30–45 (tunnel toll included in meter). Ride-hails pick up at designated zones; follow the Logan app directions to avoid the main curb chaos. MBTA Blue Line (Airport station, free shuttle from terminals) reaches downtown in 10 minutes but requires a separate transfer. Amtrak Acela to New York departs from South Station (2.5h, from $49).
Humid continental climate with significant maritime influence. Winters (December–March) bring regular Nor'easters. These coastal storms that dump heavy snow and produce high winds, frequently closing Logan for hours and causing mass cancellations. Ice storms hit several times each winter. BOS is one of the most weather-disrupted major US airports in winter.
Summers are warm (22–29°C) with humidity and afternoon thunderstorms causing July–August delays. Hurricane remnants reach New England in September–October. Spring and fall are mild (8–18°C) but unpredictable. Logan's harbor location means it runs windier than inland readings suggest. Factor this into small aircraft routing.
STL–BOS Quick Facts
Frequently Asked Questions
Flights from STL to BOS
St. Louis Lambert International Airport (STL) and Boston Logan International Airport (BOS) are connected by nonstop service from American Airlines and Southwest Airlines. With 46 weekly departures, this is a heavily served route.
STL to BOS Flight Duration and Schedule
Nonstop flight time from STL to BOS ranges from 2 hours 30 minutes to 3 hours 37 minutes. The route covers a distance of 1,044 miles (1,680 km). There are approximately 46 weekly flights outbound and 57 return, totaling 103 flights per week in both directions.
Connecting Options and Alternatives
69 one-stop connections are available, with the fastest taking approximately 3 hours via CMI. Two-stop connections are also available via intermediate hubs.