Lowest Prices
Uncover the best deals on St Louis to Baltimore flights by comparing fares from hundreds of airlines and agencies.
Good to Know: Cheapest and Fastest STL - BWI Flights
Useful information for finding best airline tickets from Lambert St Louis International to Baltimore/Washington International Thurgood Marsha on your next trip.
Cheapest Round Trip Flight
$892
Southwest Airlines
• 1 stop
• 14h 15m
Oct 07 – Oct 11
The cheapest round trip flight from St Louis to Baltimore (STL-BWI-STL) is currently $892
Cheapest Direct Flight
$124
Southwest Airlines
• nonstop
• 5h 10m
Oct 07
The cheapest nonstop flight from St Louis to Baltimore (STL-BWI) is currently $124
Fastest Flight
2h 35m
The fastest nonstop flight from St Louis to Baltimore (STL-BWI) takes 2h 35m
Top Airlines Flying from St Louis to Baltimore
Latest Flight Deals from St Louis (STL) to Baltimore (BWI)
Compare and book low fare round-trip air tickets from St Louis to Baltimore. Ideal for travelers with confirmed return itineraries.
Oct 07 - Oct 11, Economy
St Louis → Baltimore
14h 15m
5:50 AM - 3:45 PM • 1 stop
St Louis → Baltimore
3h 35m
8:05 AM - 9:20 AM • nonstop
Southwest Airlines
Oct 07 - Oct 11, Economy
St Louis → Baltimore
5h 40m
8:30 AM - 1:10 PM • 1 stop
St Louis → Baltimore
3h 35m
12:45 PM - 2:00 PM • nonstop
Southwest Airlines
Oct 07 - Oct 11, Economy
St Louis → Baltimore
10h
2:25 PM - 9:25 PM • 1 stop
St Louis → Baltimore
6h 55m
8:20 AM - 11:35 AM • 1 stop
Southwest Airlines
Oct 07 - Oct 11, Economy
St Louis → Baltimore
10h
10:30 AM - 5:30 PM • 1 stop
St Louis → Baltimore
6h 55m
8:20 AM - 11:35 AM • 1 stop
Southwest Airlines
Oct 07 - Oct 11, Economy
St Louis → Baltimore
2h 35m
3:20 PM - 6:15 PM • nonstop
St Louis → Baltimore
7h 10m
8:15 AM - 11:45 AM • 1 stop
Southwest Airlines
Flying to Baltimore soon? We've surfaced some of the most affordable last-minute flights from St Louis to Baltimore, ideal for urgent plans or spontaneous trips.
Oct 07 - Oct 11, Economy
St Louis → Baltimore
14h 15m
5:50 AM - 3:45 PM • 1 stop
St Louis → Baltimore
3h 35m
8:05 AM - 9:20 AM • nonstop
Southwest Airlines
Oct 07 - Oct 11, Economy
St Louis → Baltimore
5h 40m
8:30 AM - 1:10 PM • 1 stop
St Louis → Baltimore
3h 35m
12:45 PM - 2:00 PM • nonstop
Southwest Airlines
Oct 07 - Oct 11, Economy
St Louis → Baltimore
10h
2:25 PM - 9:25 PM • 1 stop
St Louis → Baltimore
6h 55m
8:20 AM - 11:35 AM • 1 stop
Southwest Airlines
Oct 07 - Oct 11, Economy
St Louis → Baltimore
10h
10:30 AM - 5:30 PM • 1 stop
St Louis → Baltimore
6h 55m
8:20 AM - 11:35 AM • 1 stop
Southwest Airlines
Oct 07 - Oct 11, Economy
St Louis → Baltimore
2h 35m
3:20 PM - 6:15 PM • nonstop
St Louis → Baltimore
7h 10m
8:15 AM - 11:45 AM • 1 stop
Southwest Airlines
Looking for the fastest way to Baltimore? These direct flight options from STL to BWI offer both convenience and value—no layovers, just straight to your destination.
Oct 07 - Oct 08, Economy
St Louis → Baltimore
5h 10m
10:20 AM - 2:30 PM • nonstop
St Louis → Baltimore
3h 45m
8:00 AM - 9:25 AM • nonstop
Southwest Airlines
Oct 07 - Oct 08, Economy
St Louis → Baltimore
5h 40m
8:30 AM - 1:10 PM • nonstop
St Louis → Baltimore
3h 45m
8:00 AM - 9:25 AM • nonstop
Southwest Airlines
Oct 07 - Oct 11, Economy
St Louis → Baltimore
3h 25m
5:30 AM - 8:35 AM • nonstop
St Louis → Baltimore
3h 35m
6:35 PM - 7:50 PM • nonstop
Southwest Airlines
Oct 07 - Oct 11, Economy
St Louis → Baltimore
3h 25m
6:30 PM - 9:35 PM • nonstop
St Louis → Baltimore
3h 35m
6:35 PM - 7:50 PM • nonstop
Southwest Airlines
Oct 07 - Oct 11, Economy
St Louis → Baltimore
2h 35m
3:20 PM - 6:15 PM • nonstop
St Louis → Baltimore
3h 35m
10:40 PM - 11:55 PM • nonstop
Southwest Airlines
FAQs on St Louis to Baltimore Flights
What are the airports in St Louis?
STL
What’s the most popular airline flying from STL to BWI?
The most popular airline flying from St Louis to Baltimore are
Can I fly from STL to BWI non-stop?
Yes, you can fly STL to BWI non-stop on
Which airlines fly nonstop between St Louis and Baltimore?
The non-stop flights between St Louis and Baltimore are .
What’s the earliest departure time from STL to BWI Airport?
The earliest flight leaves STL at 5:30 am and lands in BWI - Baltimore/Washington International Thurgood Marsha
What are the airports in Baltimore?
IAD,BWI,DCA
Can I make changes to my St Louis to Baltimore 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 STL to BWI?
Read the fare rules of the St Louis to Baltimore 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 St Louis and Baltimore?
operate flights between St Louis and Baltimore
How long does a flight from St Louis to Baltimore take?
It takes approximately 2 hour to fly non-stop from STL to BWI, which is 737.8 miles by air.
Which airlines provide the cheapest flights from St Louis (STL) to Baltimore (BWI) ?
In the past couple of days, the cheapest tickets to BWI from STL were found on WN : USD 931
Do I need a passport to fly between STL and BWI?
No
What’s the latest departure time from STL to BWI ?
The last flight leaves STL at 6:30 pm
St Louis (STL) to Baltimore (BWI): Airport Information
| Origin Airport | Lambert St Louis International , St Louis, US |
| Destination Airport | Baltimore/Washington International Thurgood Marsha, Baltimore, US |
| Distance | 738 miles |
More Flight Options for St Louis (STL) and Baltimore (BWI)
Flights from St Louis (STL)
to Las Vegas (LAS)
Flights from St Louis (STL)
to Fort Myers (RSW)
Flights from St Louis (STL)
to Orlando (MCO)
Flights from St Louis (STL)
to Detroit (DTW)
Flights from St Louis (STL)
to Baltimore (BWI)
Flights from St Louis (STL)
to Baltimore (BWI)
Flights from St Louis (STL)
to Cancún (CUN)
Flights from St Louis (STL)
to New Orleans (MSY)
Flights from St Louis (STL)
to New York (LGA)
Flights from St Louis (STL)
to Atlanta (ATL)
Flights from St Louis (STL)
to Orlando (ORL)
Flights from St Louis (STL)
to Sarasota/Bradenton (SRQ)
Flights from St Louis (STL)
to Minneapolis (MSP)
Flights from St Louis (STL)
to Minneapolis (MSP)
Flights from St Louis (STL)
to Los Angeles (LAX)
Flights from St Louis (STL)
to Savannah (SAV)
Flights from St Louis (STL)
to Philadelphia (PHL)
Flights from St Louis (STL)
to Denver (DEN)
Flights from St Louis (STL)
to Miami (MIA)
Flights from St Louis (STL)
to Chicago (ORD)
Flights from Austin (AUS)
to Washington (DCA)
Flights from Orlando (MCO)
to Baltimore (BWI)
Flights from Orlando (MCO)
to Baltimore (BWI)
Flights from Detroit (DTW)
to Washington (DCA)
Flights from Grand Rapids (GRR)
to Washington (DCA)
Flights from Boston (BOS)
to Washington (DCA)
Flights from Minneapolis (MSP)
to Washington (IAD)
Flights from Los Angeles (LAX)
to Washington (IAD)
Flights from Atlanta (ATL)
to Washington (IAD)
Flights from San Antonio (SAT)
to Washington (DCA)
Flights from Minneapolis (MSP)
to Washington (DCA)
Flights from Minneapolis (MSP)
to Washington (DCA)
Flights from Houston (HOU)
to Baltimore (BWI)
Flights from Atlanta (ATL)
to Baltimore (BWI)
Flights from Atlanta (ATL)
to Baltimore (BWI)
Flights from St Louis (STL)
to Baltimore (BWI)
Flights from St Louis (STL)
to Baltimore (BWI)
Flights from Raleigh/Durham (RDU)
to Baltimore (BWI)
Flights from Fort Lauderdale (FLL)
to Baltimore (BWI)
Flights from Fort Lauderdale (FLL)
to Baltimore (BWI)
Cheap flights to North America (NA)
Cheap flights to United States (US)
Cheap flights to Missouri (US-MO)
Cheap flights to Maryland (US-MD)
Cheap flights from North America (NA)
Cheap flights from United States (US)
Cheap flights from Maryland (US-MD)
Cheap flights from Missouri (US-MO)
Flights to Baltimore (BWI)
Flights to Baltimore (BWI)
Flights to Washington (DCA)
Flights to Washington (IAD)
Flights to St Louis (STL)
Flights from Baltimore (BWI)
Flights from Baltimore (BWI)
to St Louis (STL)
Flights from Baltimore (BWI)
to St Louis (STL)
Flights from Washington (DCA)
Flights from Washington (DCA)
to St Louis (STL)
Flights from Washington (IAD)
Flights from Washington (IAD)
to St Louis (STL)
Flights from St Louis (STL)
Why Fareleaders for STL to BWI Plane Tickets
New Deals Everyday
Get the best prices on STL to BWI flights—we update our fares daily so you never miss a saving.
No Service Fees
Compare hundreds of St Louis to Baltimore flights and secure the best deals—we never add any service fees.