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Uncover the best deals on Baltimore to St Louis flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest BWI - STL Flights
Useful information for finding best airline tickets from Baltimore/Washington International Thurgood Marsha to Lambert St Louis International on your next trip.
Cheapest Round Trip Flight
$150
Delta Airlines
• 1 stop
• 3h 57m
Oct 07 – Oct 14
The cheapest round trip flight from Baltimore to St Louis (BWI-STL-BWI) is currently $150
Cheapest Direct Flight
$150
Southwest Airlines
• nonstop
• 1h 55m
Oct 07
The cheapest nonstop flight from Baltimore to St Louis (BWI-STL) is currently $150
Fastest Flight
1h 55m
The fastest nonstop flight from Baltimore to St Louis (BWI-STL) takes 1h 55m
Top Airlines Flying from Baltimore to St Louis
Latest Flight Deals from Baltimore (BWI) to St Louis (STL)
Compare and book low fare round-trip air tickets from Baltimore to St Louis. Ideal for travelers with confirmed return itineraries.
Oct 07 - Oct 14, Economy
Baltimore → St Louis
3h 57m
8:12 AM - 1:20 PM • 1 stop
Baltimore → St Louis
6h 45m
6:47 AM - 11:52 AM • 1 stop
Delta Airlines
Oct 07 - Oct 14, Economy
Baltimore → St Louis
3h 50m
6:40 PM - 8:10 PM • nonstop
Baltimore → St Louis
6h 55m
2:25 PM - 7:40 PM • 1 stop
Southwest Airlines
Oct 07 - Oct 14, Economy
Baltimore → St Louis
10h 20m
4:15 PM - 9:35 PM • 1 stop
Baltimore → St Louis
5h 40m
8:30 AM - 1:10 PM • 1 stop
Southwest Airlines
Oct 07 - Oct 14, Economy
Baltimore → St Louis
9h 15m
11:50 AM - 4:45 PM • 1 stop
Baltimore → St Louis
5h 40m
8:30 AM - 1:10 PM • 1 stop
Southwest Airlines
Oct 07 - Oct 14, Economy
Baltimore → St Louis
10h 25m
8:20 AM - 1:45 PM • 1 stop
Baltimore → St Louis
5h 40m
8:30 AM - 1:10 PM • 1 stop
Southwest Airlines
Looking for the fastest way to St Louis? These direct flight options from BWI to STL offer both convenience and value—no layovers, just straight to your destination.
Oct 07 - Oct 14, Economy
Baltimore → St Louis
1h 55m
6:05 PM - 7:20 PM • nonstop
Baltimore → St Louis
4h 15m
3:20 PM - 6:15 PM • nonstop
Southwest Airlines
Oct 07 - Oct 14, Economy
Baltimore → St Louis
2h
9:10 PM - 10:30 PM • nonstop
Baltimore → St Louis
4h 15m
3:20 PM - 6:15 PM • nonstop
Southwest Airlines
Oct 07 - Oct 14, Economy
Baltimore → St Louis
1h 55m
10:20 AM - 11:35 AM • nonstop
Baltimore → St Louis
4h 15m
3:20 PM - 6:15 PM • nonstop
Southwest Airlines
Oct 07 - Oct 14, Economy
Baltimore → St Louis
3h 45m
8:00 AM - 9:25 AM • nonstop
Baltimore → St Louis
2h 35m
8:05 AM - 11:00 AM • nonstop
Southwest Airlines
Oct 07 - Oct 14, Economy
Baltimore → St Louis
4h 12m
8:26 AM - 10:18 AM • nonstop
Baltimore → St Louis
3h 30m
5:08 PM - 8:18 PM • nonstop
American Airlines
FAQs on Baltimore to St Louis Flights
What are the airports in Baltimore?
IAD,BWI,DCA
What’s the most popular airline flying from BWI to STL?
The most popular airline flying from Baltimore to St Louis are
Can I fly from BWI to STL non-stop?
Yes, you can fly BWI to STL non-stop on
Which airlines fly nonstop between Baltimore and St Louis?
The non-stop flights between Baltimore and St Louis are .
What’s the earliest departure time from BWI to STL Airport?
The earliest flight leaves BWI at 8:00 am and lands in STL - Lambert St Louis International
What are the airports in St Louis?
STL
Can I make changes to my Baltimore to St Louis flight tickets or cancel them on FareLeaders.com?
No. We are an airfare comparison site. All the tickets are booked by the travel agent offering the flight deal and any changes or cancellations to be made are directly done directly by them or the airlines.
Can I cancel my flight tickets from BWI to STL?
Read the fare rules of the Baltimore to St Louis air tickets booked. Some airlines allow you to cancel the tickets within a stipulated time period with a cancellation fee.
Which airline alliances offer flights from Baltimore and St Louis?
operate flights between Baltimore and St Louis
How long does a flight from Baltimore to St Louis take?
It takes approximately 2 hour to fly non-stop from BWI to STL, which is 737.8 miles by air.
Which airlines provide the cheapest flights from Baltimore (BWI) to St Louis (STL) ?
In the past couple of days, the cheapest tickets to STL from BWI were found on DL : USD 150
Do I need a passport to fly between BWI and STL?
No
What’s the latest departure time from BWI to STL ?
The last flight leaves BWI at 9:10 pm
Essential Information for Booking Flights from Baltimore (BWI) - AI Insights
What's the cheapest airline from bwi to stl?
Frontier Airlines offers budget-friendly flights from Baltimore/Washington International Thurgood Marsha (bwi) to Lambert St Louis International (stl) with a layover. For a one-way trip, you can find Low Fares on their website. Booking in advance, 32 days prior to travel, can help secure Savings on your airfare. Please check their website for the latest cheapestflights and fares.
What's the popular airline to fly from bwi to stl?
You can fly from Baltimore/Washington International Thurgood Marsha Airport (bwi) to Lambert St Louis International Airport (stl) on Southwest Airlines (WN) with a 2-stop flight. Please book your flight at least 32 days in advance to get the best Low Fares. You can find the cheapest airfares on our website, with options for Budget-friendly flights and Savings on airfares.
What's the cheapest day of the week to fly from bwi to stl?
The cheapest day to fly from Baltimore/Washington International Thurgood Marsha (BWI) to Lambert St Louis International (STL) is typically Thursday. Flying on off-peak days can result in lower airfares. Booking in advance, with at least 32 days prior to your trip, can also help secure cheaper flights. Low fares and budget-friendly options are available for this route.
What's the cheapest month to fly from bwi to stl?
The cheapest month to fly from Baltimore/Washington International Thurgood Marsha (BWI) to Lambert St Louis International (STL) is September, which is typically a low-cost month for air travel.
Which airline/airlines fly from bwi to stl?
Frontier Airlines, JetBlue Airways, Southwest Airlines, United Airlines, Icelandair, Alaska Airlines, Delta Airlines, and American Airlines offer flights from Baltimore/Washington International Thurgood Marsha Airport (BWI) to Lambert St Louis International Airport (STL). You can find budget-friendly flights with these airlines, which provide a range of airfare options. Booking in advance can help you secure the best deals, especially for a 2-stop trip.
What are the available flights from Baltimore/Washington International Thurgood Marsha to Lambert St Louis International airport?
You can find available flights from Baltimore/Washington International Thurgood Marsha to Lambert St Louis International airport on fareleaders.com, with options from Frontier Airlines (F9), JetBlue Airways (B6), Southwest Airlines (WN), United Airlines (UA), Icelandair (FI), Alaska Airlines (AS), Delta Airlines (DL), and American Airlines (AA).
How much does a one-way business class ticket from bwi to stl cost?
The cost of a one-way business class ticket from bwi to stl can be found on fareleaders.com, with prices starting from $X for Frontier Airlines (F9), $Y for Southwest Airlines (WN), and $Z for United Airlines (UA).
Can I book my airfare in advance for a Milwaukee trip?
Yes, you can book your airfare in advance for a Milwaukee trip on fareleaders.com, with advance booking days starting from 32 days.
What are the weekend travel options on fareleaders.com?
Fareleaders.com offers weekend travel options, making it easy to plan your trip. Simply visit our website and start searching for flights.
How do I find the best agency for my travel needs?
To find the best agency for your travel needs, visit fareleaders.com and start searching for flights. Our website offers a range of options from top airlines like Frontier Airlines (F9), JetBlue Airways (B6), and Southwest Airlines (WN).
Can I use fareleaders.com to book my busco or buelos trip?
No, fareleaders.com is an airfare comparison platform and does not offer busco or buelos trips. However, we can help you find the best flights for your busco or buelos trip by searching for flights from your desired destination.
How do I get started with booking my travel on the fareleaders.com website?
To get started with booking your travel on fareleaders.com, simply visit our website and start searching for flights. You can also contact our customer support team for assistance.
Baltimore (BWI) to St Louis (STL): Airport Information
| Origin Airport | Baltimore/Washington International Thurgood Marsha, Baltimore, US |
| Destination Airport | Lambert St Louis International , St Louis, US |
| Distance | 738 miles |
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