Cheap Flight Tickets from St Louis (STL) to Baltimore (BWI), Starting at $377

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

$377

WN Southwest Airlines • nonstop • 2h 35m

Nov 22 – Nov 26

The cheapest round trip flight from St Louis to Baltimore (STL-BWI-STL) is currently $377

🔍 Search Flights

Cheapest Direct Flight

$377

WN Southwest Airlines • nonstop • 2h 35m

Nov 22

The cheapest nonstop flight from St Louis to Baltimore (STL-BWI) is currently $377

🔍 Search Flights

Fastest Flight

2h 35m

The fastest nonstop flight from St Louis to Baltimore (STL-BWI) takes 2h 35m

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.

Nov 22 - Nov 26, Economy
WN
St Louis → Baltimore
2h 35m
7:55 PM - 10:50 PM • nonstop
WN
St Louis → Baltimore
3h 40m
12:35 PM - 1:55 PM • nonstop
$377
Southwest Airlines
Nov 22 - Nov 26, Economy
WN
St Louis → Baltimore
5h 55m
4:40 PM - 9:35 PM • 1 stop
WN
St Louis → Baltimore
7h 15m
8:25 AM - 12:00 PM • 1 stop
$418
Southwest Airlines
Nov 22 - Nov 26, Economy
WN
St Louis → Baltimore
5h 50m
10:15 AM - 3:05 PM • 1 stop
WN
St Louis → Baltimore
7h 5m
1:30 PM - 4:55 PM • 1 stop
$422
Southwest Airlines
Nov 22 - Nov 26, Economy
DL
St Louis → Baltimore
7h 7m
6:00 PM - 11:27 PM • 1 stop
DL
St Louis → Baltimore
7h 9m
6:00 AM - 9:29 AM • 1 stop
$517
Delta Airlines
Nov 22 - Nov 26, Economy
WN
St Louis → Baltimore
10h
5:40 AM - 12:40 PM • 1 stop
WN
St Louis → Baltimore
3h 40m
1:55 PM - 3:15 PM • nonstop
$529
Southwest Airlines
Nov 24 - Nov 29, Economy
WN
St Louis → Baltimore
3h 20m
8:45 PM - 11:45 PM • nonstop
WN
St Louis → Baltimore
9h
7:50 PM - 12:30 AM • 1 stop
$604
Southwest Airlines

Fly from St Louis to Baltimore with the Best Airfare Deals on FareLeaders

Looking for a cheap last-minute deal or the best round-trip flight from St Louis to Baltimore? Find the biggest savings on one-way and round-trip tickets right here.

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 5:40 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 422
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 8:45 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)

Why Fareleaders for STL to BWI Plane Tickets

Lowest Prices
Lowest Prices
Uncover the best deals on St Louis to Baltimore flights by comparing fares from hundreds of airlines and agencies.
New Deals
New Deals Everyday
Get the best prices on STL to BWI flights—we update our fares daily so you never miss a saving.
Best Travel Options
No Service Fees
Compare hundreds of St Louis to Baltimore flights and secure the best deals—we never add any service fees.
Get Fare Drop Alert
Be the first to know when fares drop for the St Louis (STL) to Baltimore (BWI)
Terms and Conditions*