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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
$342
Southwest Airlines
• nonstop
• 3h 30m
Oct 02 – Oct 03
The cheapest round trip flight from Baltimore to St Louis (BWI-STL-BWI) is currently $342
Cheapest Direct Flight
$342
Southwest Airlines
• nonstop
• 3h 30m
Oct 02
The cheapest nonstop flight from Baltimore to St Louis (BWI-STL) is currently $342
Fastest Flight
3h 30m
The fastest nonstop flight from Baltimore to St Louis (BWI-STL) takes 3h 30m
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 02 - Oct 03, Economy
Baltimore → St Louis
3h 30m
6:35 AM - 7:45 AM • nonstop
Baltimore → St Louis
3h 20m
8:20 AM - 11:20 AM • nonstop
Southwest Airlines
Oct 02 - Oct 03, Economy
Baltimore → St Louis
6h 55m
8:20 AM - 11:35 AM • 1 stop
Baltimore → St Louis
3h 20m
3:00 PM - 6:00 PM • nonstop
Southwest Airlines
Oct 02 - Oct 03, Economy
Baltimore → St Louis
5h 50m
4:15 PM - 7:05 PM • 1 stop
Baltimore → St Louis
3h 20m
8:20 AM - 11:20 AM • nonstop
Southwest Airlines
Sep 10 - Sep 13, Economy
Baltimore → St Louis
6h 50m
12:10 PM - 3:20 PM • 1 stop
Baltimore → St Louis
5h 40m
8:50 AM - 1:30 PM • 1 stop
Southwest Airlines
Sep 10 - Sep 13, Economy
Baltimore → St Louis
7h 5m
9:50 AM - 1:15 PM • 1 stop
Baltimore → St Louis
6h 45m
12:55 PM - 6:00 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 02 - Oct 03, Economy
Baltimore → St Louis
3h 30m
6:35 AM - 7:45 AM • nonstop
Baltimore → St Louis
3h 20m
8:20 AM - 11:20 AM • nonstop
Southwest Airlines
Sep 10 - Sep 13, Economy
Baltimore → St Louis
3h 30m
6:35 AM - 7:45 AM • nonstop
Baltimore → St Louis
3h 20m
4:25 PM - 7:25 PM • nonstop
Southwest Airlines
Sep 10 - Sep 13, Economy
Baltimore → St Louis
3h 30m
10:25 AM - 11:35 AM • nonstop
Baltimore → St Louis
3h 25m
6:00 AM - 9:05 AM • nonstop
Southwest Airlines
Sep 10 - Sep 13, Economy
Baltimore → St Louis
3h 30m
5:15 PM - 6:25 PM • nonstop
Baltimore → St Louis
3h 20m
4:25 PM - 7:25 PM • nonstop
Southwest Airlines
Sep 10 - Sep 13, Economy
Baltimore → St Louis
3h 35m
8:30 PM - 9:45 PM • nonstop
Baltimore → St Louis
3h 25m
6:00 AM - 9:05 AM • nonstop
Southwest 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 6:15 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 WN : USD 342
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 8:30 pm
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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