Southwest Airlines flights from Boston (BOS) to Saint Louis (STL)
Find comprehensive Southwest Airlines flight information, schedules, and booking details for direct flights from Boston (BOS), US to Saint Louis (STL), US. Southwest Airlines operates 3-6 flights daily flights on this route.• Flight Duration: 2h 50m - 3h 33m (average flight time)• Distance: 1049 miles (1688 km) (air miles between airports)• Daily Flights: 3-6 flights (scheduled departures per day)
Boston (BOS)
US
Saint Louis (STL)
US
FLIGHT TIME
2h 50m - 3h 33m
FLIGHT DISTANCE
1049 miles (1688 km)
3h 5m - 3h 10m
07:00
19:50
1049 miles (1688 km)
January
1 (Show)
37
Terminal 2 (STL)
Southwest Airlines Flight Schedule from Boston (BOS) to Saint Louis (STL)
| Flight | Airline | Departure | Arrival | Aircraft |
|---|---|---|---|---|
WN1438 |  Southwest Airlines | 07:00 | 09:10:00 | Boeing 737-700 (winglets) Passenger/BBJ1 |
WN1441 | Southwest Airlines | 13:30 | 15:35:00 | Boeing 737MAX 8 Passenger |
WN1442 | Southwest Airlines | 19:50 | 22:00:00 | Boeing 737MAX 8 Passenger |
Southwest Airlines Monthly Flight Calendar
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Route Insights
Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 2h 50m - 3h 33m.
Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.
Best departure times: Peak departure times are 7:00, 13:00, 19:00, offering more flight options and potentially better connections.
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Southwest Airlines Policy Highlights
Baggage Policy
Two free checked bags, additional charges apply for excess or overweight baggage.
For detailed baggage policies, visit Southwest Airlines airline page or Southwest Airlines official website.
Check-in Information
Online check-in available 24 hours before departure.
Southwest Airlines Terminal Information
Departure Terminal at Boston (BOS):
Arrival Terminal at Saint Louis (STL):
• Southwest Airlines flights to Saint Louis (STL) arrive at Terminal Terminal 2
• Terminal Terminal 2: Southwest Airlines operates from this terminal
Frequently Asked Questions about Southwest Airlines Flights
How many Southwest Airlines flights operate from Boston (BOS) to St Louis (STL)?
Southwest Airlines operates 3 flights from Boston (BOS) to St Louis (STL).
What city does St Louis (STL) airport serve?
St Louis (STL) airport serves Saint Louis, US.
How long is the Southwest Airlines flight from Boston (BOS) to St Louis (STL)?
The flight duration is approximately 2h 50m - 3h 33m.
What is the distance from Boston (BOS) to St Louis (STL)?
The distance is 1049 miles (1688 km).
What aircraft does Southwest Airlines use on this route?
Southwest Airlines uses Boeing 737-700 (winglets) Passenger/BBJ1, Boeing 737MAX 8 Passenger on this route.
Which other airlines operate on this route?
1 other airline operates on this route: American Airlines.
What are the earliest and latest Southwest Airlines flight departure times?
The earliest Southwest Airlines flight departs at 07:00 and the latest departs at 19:50.
Which terminal does Southwest Airlines use at St Louis (STL)?
Southwest Airlines flights to St Louis (STL) arrive at Terminal Terminal 2.
What is the cheapest month to fly Southwest Airlines from Boston (BOS) to St Louis (STL)?
January is typically the cheapest month to fly Southwest Airlines on this route.
What is the average price for a Southwest Airlines flight from Boston (BOS) to St Louis (STL)?
The average price for a round-trip Southwest Airlines flight on this route is approximately $401. Prices can vary based on booking time and demand.
How many Southwest Airlines flights operate per week on this route?
Southwest Airlines operates approximately 37 flights per week from Boston (BOS) to St Louis (STL).