Cheap Flight Tickets from Baltimore (BWI) to St Louis (STL), Starting at $217

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

$217

F9 Frontier Airlines • 1 stop • 13h 27m

Sep 20 – Sep 24

The cheapest round trip flight from Baltimore to St Louis (BWI-STL-BWI) is currently $217

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Cheapest Direct Flight

$245

AA American Airlines • nonstop •

Sep 20

The cheapest nonstop flight from Baltimore to St Louis (BWI-STL) is currently $245

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Fastest Flight

3h 30m

The fastest nonstop flight from Baltimore to St Louis (BWI-STL) takes 3h 30m

Top Airlines Flying from Baltimore to St Louis

Southwest Airlines-WN

Southwest Airlines

Delta Airline, DL

Delta Airlines

United Airlines, UA

United Airlines

American Airlines, AA

American Airlines

Alaska Airlines -AS

Alaska Airlines

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.

Sep 20 - Sep 24, Economy
F9
Baltimore → St Louis
13h 27m
9:27 AM - 4:34 PM • 1 stop
F9
Baltimore → St Louis
35h 48m
6:39 PM - 5:27 PM • 1 stop
$217
Frontier Airlines
Sep 20 - Sep 24, Economy
WN
Baltimore → St Louis
6h 55m
7:20 AM - 10:35 AM • 1 stop
WN
Baltimore → St Louis
6h 45m
2:45 PM - 7:50 PM • 1 stop
$279
Southwest Airlines
Sep 20 - Sep 24, Economy
WN
Baltimore → St Louis
6h 50m
3:45 PM - 6:55 PM • 1 stop
WN
Baltimore → St Louis
6h 45m
2:45 PM - 7:50 PM • 1 stop
$279
Southwest Airlines
Sep 20 - Sep 24, Economy
WN
Baltimore → St Louis
3h 35m
6:00 PM - 7:15 PM • nonstop
WN
Baltimore → St Louis
3h 20m
4:15 PM - 7:15 PM • nonstop
$281
Southwest Airlines
Sep 20 - Sep 24, Economy
UA
Baltimore → St Louis
8h 21m
5:35 PM - 9:36 PM • 1 stop
UA
Baltimore → St Louis
7h 3m
5:36 PM - 10:59 PM • 1 stop
$514
United Airlines
Sep 20 - Sep 24, Economy
DL
Baltimore → St Louis
5h 55m
5:40 PM - 8:35 PM • 1 stop
DL
Baltimore → St Louis
7h 15m
10:05 AM - 3:40 PM • 1 stop
$1055
Delta Airlines

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

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

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 7:20 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 UA : USD 514
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 7:5900 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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