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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 January or February, booked 48 days in advance, depart on a Friday or Thursday and return on a Thursday

BOS - STL
Price
$188 - $310
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches
Popular in April High demand for flights, 18% potential price rise
Cheapest in January Best time to find cheap flights, 26% potential price drop
Average price $310 Average for round-trip flights in April 2020
Round-trip from $188 From Boston to St Louis

Cheap flights from Boston to St Louis in April 2020

The best prices found for BOS to STL flights for April
23 Apr - 27 Apr
$125pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl
15 Apr - 22 Apr
$131pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl
11 Apr - 25 Apr
$136pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple 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
7 May - 11 May
$82pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl
14 May - 17 May
$110pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
   
2 STOPS
BOS
Boston Logan Intl
4 Jun - 7 Jun
$142pp
BOS
Boston Logan Intl
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple 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
2 Apr - 6 Apr
$155pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl
5 Apr - 17 Apr
$158pp
BOS
Boston Logan Intl
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
     
3 STOPS
BOS
Boston Logan Intl
8 Apr - 10 Apr
$163pp
BOS
Boston Logan Intl
Delta
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Delta
 
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 April in St Louis
69.8 °F
Avg rainfall for April in St Louis
4.1 ″

Airports servicing Boston

Airports servicing St. Louis

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

Related info for your journey

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

Flight FAQs

From Boston to St Louis

Are flight prices decreasing from Boston to St Louis due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Boston and St Louis for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Are there nonstop flights from Boston to St Louis for under $100 on Cheapflights?

There are no nonstop flights from Boston to St Louis, but Cheapflights can provide you with all the information you need to find the fastest route with the fewest stops.

Are there last-minute flights available from Boston to St Louis for under $200?

There are currently just 3 open flights from Boston to St Louis within the next 7 days for less than $200.

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 33 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.

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, 6 flights depart from Boston Logan Intl to Lambert-St Louis on average.
Morning (6am - Noon) - 33% of flight departures
Afternoon (Noon - 6pm) - 33% of flight departures
Evening (6pm - Midnight) - 33% of flight departures

Does it rain more in Boston or St Louis?

The rainfall in Boston is generally more 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.