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

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

How to find the cheapest flight from
Boston (BOS) to Lambert-St Louis Intl (STL)

BOS - STL
Price
$222 - $310
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

April

High demand for flights, 17% potential price rise

Cheapest in

February

Best time to find cheap flights, 14% potential price drop

Round-trip from

$222

From Boston to Lambert-St Louis Intl

One-way from

$96

One-way flight from Boston to Lambert-St Louis Intl

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Boston to Lambert-St Louis Intl?

Flights from Boston to Lambert-St Louis Intl are found to be more expensive on Sunday. This shouldn't discourage you from searching as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Lambert-St Louis Intl.

How far in advance should I book a flight from Boston to Lambert-St Louis Intl?

Find a great deal and save up to 27% by booking at least 61 days prior to your desired departure date, rather than waiting until the week of travel. According to our data, there are a number of flights available from Boston to Lambert-St Louis Intl within the next two weeks, with the cheapest ticket starting at $164.

When is the cheapest time to fly from Boston to Lambert-St Louis Intl (BOS - STL)?

It’s typically best to fly out from Boston to Lambert-St Louis Intl in the afternoon. Doing so could potentially save you 13% on the flight price compared to flying in the evening, which is usually more expensive.

Cheap flights from Boston to Lambert-St Louis Intl in October, November 2020

The best prices found for BOS to STL flights for October, November
10 Nov - 15 Nov
$147pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl
9 Nov - 11 Nov
$154pp
BOS
Boston Logan Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
BOS
Boston Logan Intl
12 Nov - 15 Nov
$160pp
BOS
Boston Logan Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
BOS
Boston Logan Intl

Boston to Lambert-St Louis Intl 2020 flight deals

Cheap flights to Lambert-St Louis Intl from Boston found for this year
10 Nov - 15 Nov
$147pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Multiple Airlines
 
1 STOP
BOS
Boston Logan Intl
9 Nov - 11 Nov
$154pp
BOS
Boston Logan Intl
American Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
American Airlines
 
1 STOP
BOS
Boston Logan Intl
12 Nov - 15 Nov
$160pp
BOS
Boston Logan Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
BOS
Boston Logan Intl

Last minute flights from Boston to Lambert-St Louis Intl

Late deals on round-trip flights to Lambert-St Louis Intl from Boston, departing today and this week
30 Oct - 2 Nov
$182pp
BOS
Boston Logan Intl
United Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
United Airlines
 
1 STOP
BOS
Boston Logan Intl
29 Oct - 1 Nov
$202pp
BOS
Boston Logan Intl
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
BOS
Boston Logan Intl
26 Oct - 27 Oct
$207pp
BOS
Boston Logan Intl
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
   
2 STOPS
BOS
Boston Logan Intl

One-way flights to Lambert-St Louis Intl from Boston

The cheapest one-way flights from Boston to Lambert-St Louis Intl
7:24 am - 11:28 am
Frontier
1 Stop
29h 04m
BOS - STL
Frontier
$96
Kiwi.com
9:45 am - 10:37 am
United Airlines
2 Stops
25h 52m
BOS - STL
United Airlines
$107
United
4:28 am - 3:13 pm
American Airlines
2 Stops
11h 45m
BOS - STL
American Airlines

Related info for your journey

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

Flight FAQs

From Boston to Lambert-St Louis Intl

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.

What safety measures are being taken by airlines flying from Boston Logan Intl to Lambert-St Louis to control the spread of COVID-19?

Southwest and Delta are some of the many airlines that have implemented additional safety measures to control the spread of COVID-19. Airline carriers are regularly disinfecting and sanitizing their aircraft. Masks are provided and are mandatory while on board. Pre-flight testing for symptoms and antibodies, alongside socially distanced seating (for a limited time) will work towards keeping travelers safer while flying from Boston Logan Intl to Lambert-St Louis. Policies will vary by airline.

Which airlines flying from Boston Logan Intl to Lambert-St Louis have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like American Airlines, Delta, and United Airlines flying from Boston Logan Intl to Lambert-St Louis have implemented new flexible cancellation policies.

Can I find flights from Boston to Lambert-St Louis Intl for under $200 on Cheapflights?

Yes, there are multiple flights from Boston to Lambert-St Louis Intl for under $200. The cheapest flight booked recently is on Multiple Airlines for just $147, but on average you can expect to pay $171.

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

There are no nonstop flights from Boston to Lambert-St Louis Intl, 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 Lambert-St Louis Intl for under $200?

There are currently 20+ open flights from Boston to Lambert-St Louis Intl within the next 7 days for less than $200.

How popular is this flight route?

Flights from Boston Logan Intl to Lambert-St Louis have been viewed 48 times in the past calendar month.

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 12 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.

How long is the flight from Boston to Lambert-St Louis Intl?

United Airlines, American Airlines, and Major Airline can get you from Boston to Lambert-St Louis Intl in just under 5h 17m. Your travel time can differ by up to 5h 38m. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

What are the cheapest airlines flying from Boston to Lambert-St Louis Intl round-trip?

Our cheapest airline available from Boston to Lambert-St Louis Intl is American Airlines. Our recent data shows that you can find tickets from as low as $154 on this airline. Additional options worth looking into are Frontier and United Airlines, starting at $160 and $162 round-trip. American Airlines is 40% cheaper than the average price of flights available within the next 90 days to this destination.

What are the cheapest airlines to fly from Boston to Lambert-St Louis Intl one-way?

One-way options have recently been found by users for as low as $78 on Frontier. Other airlines that offer cheap prices include American Airlines from $83 and United Airlines from $87 one-way.

Alternative routes for Boston to Lambert-St Louis Intl

Destination information for Lambert-St Louis Intl

Things to know before you go. Useful info for your trip from Boston to Lambert-St Louis Intl
Average temperature for October in Lambert-St Louis Intl
71.6 °F
Avg rainfall for October in Lambert-St Louis Intl
2.8 ″

Airports servicing Boston

Airports servicing St. Louis

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