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Direct (non-stop) flights from Saint Louis (STL) to Boston (BOS)

Find comprehensive flight information, schedules, and booking details for direct flights from Saint Louis (STL) to Boston (BOS). This popular route is operated by 2 airlines, offering multiple daily departures.Flight Duration: 2h 25m - 2h 43m (average flight time)Distance: 1049 miles (1688 km) (air miles between airports)Daily Flights: 3-7 flights (scheduled departures per day)

STL
Saint Louis (STL)
BOS
Boston (BOS)

FLIGHT TIME

2h 25m - 2h 43m

FLIGHT DISTANCE

1049 miles (1688 km)
Flight time
2h 30m - 2h 39m
Earliest flight
07:50
Last flight
20:40
Distance
1049 miles (1688 km)
Cheapest month
January
Airlines
2 (Show)
Flights per week
45

Flight Schedule

December 2025
Sun
Mon
Tue
Wed
Thu
Fri
Sat

Airlines with direct flights from Saint Louis (STL) to Boston (BOS)

Southwest Airlines (WN), American Airlines (AA)

Route Insights

Duration variability: Flight duration on this route can vary based on aircraft type, wind conditions, and airline scheduling. Average duration is 2h 25m - 2h 43m.

Pricing patterns: January typically offers lower prices due to reduced demand outside peak travel seasons.

Best departure times: Peak departure times are 7:00, 9:00, 14:00, offering more flight options and potentially better connections.

Saint Louis (STL) - Boston (BOS) flight price statistics

$386

Approximate

The numbers are average prices found based on user searches for direct flights between the airports. It's calculated from the cheapest prices found per month for a round-trip with 1 adult and can vary depending on the amount of data we have for this particular route.

$253
Jan
$501
Feb
$286
Mar
$296
Apr
$344
May
$572
Jun
$398
Jul
$346
Aug
$346
Sep
$346
Oct
$416
Nov
$522
Dec
Approximate prices for one round-trip flight from Saint Louis (STL) to Boston (BOS). Graph is not to scale.

Related Information

Airports: STLBOS Airport

Airlines operating this route: Southwest Airlines (WN), American Airlines

Frequently Asked Questions

How many flights operate from STL to BOS?

There are 5 direct flights operating from STL to BOS. Approximately 3-7 flights daily.

Which airlines operate flights from STL to BOS?

2 airlines operate on this route: Southwest Airlines, American Airlines.

How long is the flight from STL to BOS?

The flight duration from STL to BOS is approximately 2h 25m - 2h 43m.

What is the distance from STL to BOS?

The distance from STL to BOS is 1049 miles (1688 km).

What is the flight time range for this route?

Flight times on this route range from 2h 30m - 2h 39m.

What are the earliest and latest flight departure times?

The earliest flight departs at 07:50 and the latest flight departs at 20:40.

What is the cheapest month to fly from STL to BOS?

January is typically the cheapest month to fly on this route.

How many flights operate per week on this route?

Approximately 45 flights operate per week from STL to BOS.

What types of aircraft operate on this route?

This route is served by Boeing 737-700 (winglets) Passenger/BBJ1, Embraer 175, Boeing 737MAX 8 Passenger.

What is the average flight price from STL to BOS?

The average flight price for a round-trip ticket from STL to BOS is approximately $386 USD. Prices can vary based on booking time, season, and airline.

When is the best time to book flights from STL to BOS for the lowest prices?

January is typically the cheapest month to fly from STL to BOS. Booking in advance and avoiding peak travel seasons can help you find better deals.

How many airlines offer flights from STL to BOS?

2 airlines offer direct flights from STL to BOS, providing travelers with multiple options for scheduling and pricing.

How far is BOS from STL?

The distance from STL to BOS is 1049 miles (1688 km). This is a long-haul flight route.

How long does it take to fly from STL to BOS?

The flight time from STL to BOS is approximately 2h 25m - 2h 43m. Actual flight duration may vary based on weather conditions, aircraft type, and routing.