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Cheap flights from Boston to St Louis (BOS - STL)

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The best prices from Boston to St Louis are usually found in February or November, booked 60 days in advance, depart on a Thursday or Friday and return on a Thursday

$310
$280
$250
$222
Price
$222 - $307
Temperature
45 - 90 °F
Rainfall
2 - 5 inches
Most popular in April High demand for flights, 7% potential price rise
Cheapest in February Best time to find cheap flights, 2% potential price drop
Average price $228 Price for this month
Cheapest price $222 From Boston to St Louis

Cheap flights from Boston to St Louis in January 2020

The best prices found for BOS to STL flights for January
26 Jan - 27 Jan
$176pp
BOS
Boston Logan Intl
Major Airline
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Major Airline
 
1 STOP
BOS
Boston Logan Intl
30 Jan - 2 Feb
$186pp
BOS
Boston Logan Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
BOS
Boston Logan Intl
31 Jan - 2 Feb
$189pp
BOS
Boston Logan Intl
United Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
 
1 STOP
BOS
Boston Logan Intl

Boston to St Louis 2020 flight deals

Cheap flights to St Louis from Boston found for this year
4 Mar - 6 Mar
$177pp
BOS
Boston Logan Intl
Major Airline
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Major Airline
 
1 STOP
BOS
Boston Logan Intl
2 Apr - 7 Apr
$186pp
BOS
Boston Logan Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
BOS
Boston Logan Intl
22 Feb - 24 Feb
$189pp
BOS
Boston Logan Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
BOS
Boston Logan Intl

Last minute flights from Boston to St Louis

Late deals on round-trip flights to St Louis from Boston, departing today and this week
23 Jan - 24 Jan
$186pp
BOS
Boston Logan Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
BOS
Boston Logan Intl
16 Jan - 21 Feb
$313pp
BOS
Boston Logan Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
BOS
Boston Logan Intl
17 Jan - 20 Jan
$368pp
BOS
Boston Logan Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
BOS
Boston Logan Intl

Alternative routes for Boston to St Louis

Destination information for St Louis

Things to know before you go. Useful info for your trip from Boston to St Louis
Average temperature for January in St Louis
44.6 °F
Avg rainfall for January in St Louis
2.8 ″

Airports servicing Boston

Airports servicing St. Louis

Weekly flight availability
from Boston to St Louis
Sunday
0 flights
Monday
5 daily flights
Tuesday
5 daily flights
Wednesday
5 daily flights
Thursday
5 daily flights
Friday
5 daily flights
Saturday
0 flights

Related info for your journey

Useful info, stats and facts about Boston to St Louis flights.

Flight FAQs

From Boston to St Louis

What days are nonstop flights available from Boston to St Louis?

Nonstop flights can be found on the following days: Sunday, Monday, Tuesday, Wednesday, Thursday, Friday, Saturday.

How popular is this flight route?

Flights from Boston Logan Intl to Lambert-St Louis have been viewed 36 times in the past calendar month.

What percent of flights are delayed?

Based on our current data flights from Boston to St Louis are usually on time.

How many passenger seats are available on a flight on this route?

Commercial airlines for the flight route can seat a total of 242 passengers per day from Boston Logan Intl to Lambert-St Louis.

What is the cheapest airline for this route?

When searching, try setting your filters to view flights for Southwest Airlines Co., as currently they have the cheapest options available from Boston to St Louis. On average you can find 54 flights for this flight path daily.

How long does the flight from Boston to St Louis take?

You can expect a flight time of up to 4 hours for nonstop. Airlines will travel a distance of up to 652 miles.

How many flights depart from Boston to St Louis on average per day?

Per day, 7 flights depart from Boston Logan Intl to Lambert-St Louis on average.
Early Morning (Midnight to 6am) - 14% of flight departures
Morning (6am - Noon) - 43% of flight departures
Afternoon (Noon - 6pm) - 29% of flight departures
Evening (6pm - Midnight) - 14% of flight departures

Does it rain more in Boston or St Louis?

The rainfall in Boston is generally less than the rainfall in St Louis. This will continue over the next 16 days.

Is Boston weather warmer or cooler than St Louis?

Expect the weather to be around 90 °F on average in July. As the temperature peaks, try to get your plans done early, as flight price and availability will have an impact on your travels. The climate in St Louis is generally hotter than in Boston.