Cheap flights from Baltimore to Lambert-St Louis Intl (BWI - STL)

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The best prices from Baltimore to Lambert-St Louis Intl are usually found in August or May, booked 30 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

How to find the cheapest flight from
Baltimore (BWI) to Lambert-St Louis Intl (STL)

BWI - STL
Price
$172 - $344
STL
Temperature
44.6 - 89.6 °F
STL
Rainfall
2.2 - 5.1 inches

Popular in

November

High demand for flights, 18% potential price rise

Cheapest in

August

Best time to find cheap flights, 39% potential price drop

Round-trip from

$172

From Baltimore to Lambert-St Louis Intl

One-way from

$88

One-way flight from Baltimore 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 Baltimore to Lambert-St Louis Intl?

Flights from Baltimore to Lambert-St Louis Intl are found to be more expensive on Saturday. 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 Baltimore to Lambert-St Louis Intl?

Users have found that booking a flight from Baltimore to Lambert-St Louis Intl at least 61 days early can save you up to 33% on average compared to booking a flight this week. If booking 61 days before your flight isn’t an option for you, users have found flights from Baltimore to Lambert-St Louis Intl for as little as $143 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $179 for flights departing within the next 3 days.

What is the cheapest month to fly from Baltimore to Lambert-St Louis Intl?

June can be a great time to fly to Lambert-St Louis Intl from Baltimore with a flight ticket averaging about $148. Cheapflights users have found deals in the month of June for as cheap as $77. The most expensive prices can be found in the month of July.

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

One of the essential ways to save on airfare from Baltimore to Lambert-St Louis Intl is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the afternoon could potentially save you up to 12% on airfare.

Cheap flights from Baltimore to Lambert-St Louis Intl in February, March 2021

31 Mar - 8 Apr
$88pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
BWI
Baltimore/Washington
12 Mar - 14 Mar
$98pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
BWI
Baltimore/Washington
11 Mar - 14 Mar
$126pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
BWI
Baltimore/Washington

Baltimore to Lambert-St Louis Intl 2021 flight deals

31 Mar - 8 Apr
$88pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
BWI
Baltimore/Washington
12 Mar - 14 Mar
$98pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
BWI
Baltimore/Washington
1 Apr - 9 Apr
$113pp
BWI
Baltimore/Washington
Frontier
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
BWI
Baltimore/Washington

Last minute flights from Baltimore to Lambert-St Louis Intl

7 Mar - 14 Mar
$139pp
BWI
Baltimore/Washington
Multiple Airlines
 
1 STOP
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
BWI
Baltimore/Washington
7 Mar - 14 Mar
$143pp
BWI
Baltimore/Washington
Multiple Airlines
   
2 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
BWI
Baltimore/Washington
7 Mar - 14 Mar
$178pp
BWI
Baltimore/Washington
Multiple Airlines
     
3 STOPS
STL
Lambert-St Louis
STL
Lambert-St Louis
Frontier
 
1 STOP
BWI
Baltimore/Washington

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

1:34 pm - 5:35 am
Frontier
1 Stop
17h 01m
BWI - STL
Frontier
$88
mytrip.com
9:13 am - 2:26 pm
Delta
1 Stop
6h 13m
BWI - STL
Delta
$135
Delta
4:27 am - 12:49 pm
American Airlines
2 Stops
9h 22m
BWI - STL
American Airlines

Related info for your journey

Flight FAQs

From Baltimore to Lambert-St Louis Intl

Are flight prices decreasing from Baltimore 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 Baltimore 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 Baltimore/Washington to Lambert-St Louis to control the spread of COVID-19?

Airlines globally have implemented additional safety measures to accommodate you. Delta is one of them. 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 Baltimore/Washington to Lambert-St Louis. Policies will vary by airline.

Which airlines flying from Baltimore/Washington to Lambert-St Louis have flexible cancellations due to COVID-19?

Some of our airline partners flying from Baltimore/Washington to Lambert-St Louis have new flexible policies in place due to COVID-19. American Airlines, Delta, and United Airlines are some of the carriers where you may find flexible cancellation policies. You can use our site to filter for airlines like American Airlines with this kind of flexibility.

Can I find flights from Baltimore to Lambert-St Louis Intl for under $100 on Cheapflights?

Yes, there are multiple flights from Baltimore to Lambert-St Louis Intl for under $100. The cheapest flight booked recently is on Frontier for just $88, but on average you can expect to pay $135.

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

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

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

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

Days when nonstop flights are available for this flight are: Thursday.

Does it rain more in Baltimore or St Louis?

Expected rainfall in Baltimore is same as in St Louis. You can expect this to be the case over the next 12 days.

Is Baltimore weather warmer or cooler than St Louis?

You can imagine temperatures to be in the 90 °F range in July. The weather in St Louis is generally the same as Baltimore's. As flight availability is subject to become more limited as peak season approaches it is ideal to book in a timely manner.

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

For as low as $185, Delta can have you in Lambert-St Louis Intl from Baltimore in 5h 44m. This flight may include one or multiple stops.

What is the cheapest airline to fly from Baltimore to Lambert-St Louis Intl round-trip?

Cheapflights users have booked flights from Baltimore to Lambert-St Louis Intl round-trip from $88. You may be able to fly from Baltimore to Lambert-St Louis Intl for 68% less than the average price by searching for this airline.

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

The cheapest airlines for a one-way flight from Baltimore to Lambert-St Louis Intl are Frontier ($50), American Airlines ($91), and Delta ($93).

Alternative routes for Baltimore to Lambert-St Louis Intl

Destination information for Lambert-St Louis Intl

Average temperature for February in Lambert-St Louis Intl
48.2 °F
Avg rainfall for February in Lambert-St Louis Intl
2.2 ″

Airports servicing Baltimore

Airports servicing St. Louis

Top 4 airlines flying from Baltimore to Lambert-St Louis Intl

Airline Cheapest Average Flexibility On-time COVID-19 safety
Frontier
$111 $261 No cancel fee 62%
Delta
$140 $285 No cancel fee N/A
United Airlines
$101 $324 No cancel fee 69%
American Airlines
$128 $347 No cancel fee 71%

Hourly flight availability from Baltimore to Lambert-St Louis Intl

Morning 6 AM to noon 76% of BWI to STL departures
Afternoon Noon to 6 PM 24% of BWI to STL departures
Early morning Midnight to 6 AM 0% of BWI to STL departures
Evening 6 PM to midnight 0% of BWI to STL departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Baltimore to Lambert-St Louis Intl
Sunday
4 daily flights
Monday
4 daily flights
Tuesday
4 daily flights
Wednesday
4 daily flights
Thursday
4 daily flights
Friday
4 daily flights
Saturday
0 flights
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