Cheap flights Baltimore — Saint Louis (BWI — STL)

Good to know - Cheap tickets Baltimore — Saint Louis

Minimal flight time 2h 25m
Flight distance 1176 km
Most popular airline Southwest Airlines
Round-trip from $159

Airfare Baltimore – Saint Louis by month

Here you can find out in what months how much a ticket Baltimore – Saint Louis costs to buy cheap plane tickets.

Month One-way Round-trip
August 2026
July 2026
June 2026
May 2026
April 2026
March 2026
February 2026
October 2025
September 2025
August 2025
July 2025
June 2025

Remember that the optimal time for booking air tickets is 59 days before the departure date, this is the average time at which air tickets were sold at the lowest prices.

Schedule of direct flights Baltimore — Saint Louis

Departure Arrival Flight days Flight Airlines Flight time Airports
06:05 07:35 sat WN3191 Southwest Airlines 2h 30m Baltimore/Wash International Thurgood Marshall Airport — Lambert-St. Louis International Airport Select dates
06:15 07:45 mon, thu, fri, sun WN3191 Southwest Airlines 2h 30m Baltimore/Wash International Thurgood Marshall Airport — Lambert-St. Louis International Airport Select dates
06:20 07:50 tue, wed WN3191 Southwest Airlines 2h 30m Baltimore/Wash International Thurgood Marshall Airport — Lambert-St. Louis International Airport Select dates
06:50 08:25 sat WN1051 Southwest Airlines 2h 35m Baltimore/Wash International Thurgood Marshall Airport — Lambert-St. Louis International Airport Select dates
07:35 09:10 sun WN1051 Southwest Airlines 2h 35m Baltimore/Wash International Thurgood Marshall Airport — Lambert-St. Louis International Airport Select dates
09:20 10:50 mon, thu, fri WN1557 Southwest Airlines 2h 30m Baltimore/Wash International Thurgood Marshall Airport — Lambert-St. Louis International Airport Select dates
10:20 11:45 sun WN1557 Southwest Airlines 2h 25m Baltimore/Wash International Thurgood Marshall Airport — Lambert-St. Louis International Airport Select dates
14:05 15:30 tue, wed WN3835 Southwest Airlines 2h 25m Baltimore/Wash International Thurgood Marshall Airport — Lambert-St. Louis International Airport Select dates
14:50 16:15 sat WN3835 Southwest Airlines 2h 25m Baltimore/Wash International Thurgood Marshall Airport — Lambert-St. Louis International Airport Select dates
16:25 17:50 thu, fri WN3835 Southwest Airlines 2h 25m Baltimore/Wash International Thurgood Marshall Airport — Lambert-St. Louis International Airport Select dates
All routes

Sales of tickets from Baltimore to Saint Louis in the last 48 hours

2026-08-29 one-way

Dynamics airfare Baltimore — Saint Louis by month for the last year

according to LowCost.Club for the last year

The airfare depends on the departure date. Our chart shows the low season prices on route Baltimore — Saint Louis

The graph shows that booking flights Baltimore — Saint Louis is best planned for August and flights Baltimore — Saint Louis — Baltimore in the month of February.

Flights Baltimore — Saint Louis

The selection of cheap flights Baltimore — Saint Louis

The price of the flight Baltimore — Saint Louis (United States) — Baltimore from $159 (round-trip).

The average price of the flight Baltimore — Saint Louis (United States) — Baltimore $277 (round-trip).

Low cost flights Baltimore — Saint Louis (BWI — STL)

The distance between Baltimore and Saint Louis 731 miles (or 1176 kilometres).

The time difference between Baltimore and Saint Louis is 1 h.

Minimal flight time from Baltimore to Saint Louis 2h 25m.

Routes from nearby cities to Saint Louis

A flight from a neighbouring city can help you save money on plane tickets.

Most often, departures to Saint Louis are from Philadelphia, this is the cheapest flight from $207. The nearest airports from Baltimore with a flight to Saint Louis are located in Richmond.

Popular International routes from Baltimore

Popular routes from Saint Louis

If you are going to fly from Saint Louis, then study the popular flights. The most popular flights from Saint Louis:

Popular domestic routes from Baltimore

FAQ about Baltimore — Saint Louis

Yes, they do: WN3191, WN1051, WN1557, WN3835, WN2389, WN1053, WN1788

Yes, you can fly from Baltimore to Saint Louis. Baltimore has 3 airports (Baltimore/Wash International Thurgood Marshall Airport, Baltimore Greenbelt T, Glenn L Martin) for flights. Southwest Airlines departs from Baltimore on mon, tue, wed, thu, fri, sat, sun. There are non-direct flights through Alaska Horizon, American Eagle, Avelo Airlines, Contour Aviation, Delta Air Lines, DHL, FedEx, Frontier (Buck the Pronghorn Livery), GlobalX, Jet Linx Aviation, Kalitta Charters, NetJets, Qatar Executive, SkyWest Charter, Slate Aviation, Sun Country Airlines, United Express, UPS.

A direct flight lasts an average of 2h 25m, during which time the aircraft covers a distance of 1176 km.

The price of flights Baltimore — Saint Louis starts from $159.

Planes fly Baltimore — Saint Louis 7 times a week on the following days: mon, tue, wed, thu, fri, sat, sun

In Baltimore — Baltimore/Wash International Thurgood Marshall Airport, Baltimore Greenbelt T, Glenn L Martin. In Saint Louis — St. Louis Downtown Airport, Spirit of St. Louis Airport, Lambert-St. Louis International Airport.

The following flights fly between Baltimore and Saint Louis: WN3191, WN3191, WN3191, WN1051, WN1051, WN1557, WN1557, WN3835, WN3835, WN3835, WN2389, WN3835, WN1053, WN1788, WN1053, WN1788, WN1053, WN1788

High season is considered to be July and the cheapest month is August. Enter your preferred airports (or cities) and dates into the search form above to unlock the latest Baltimore — Saint Louis flight deals.

Only one airline operates a direct flight Baltimore — Saint Louis: Southwest Airlines.

All the following airlines flights Baltimore — Saint Louis: Alaska Horizon, American Eagle, Avelo Airlines, Contour Aviation, Delta Air Lines, DHL, FedEx, Frontier (Buck the Pronghorn Livery), GlobalX, Jet Linx Aviation, Kalitta Charters, NetJets, Qatar Executive, SkyWest Charter, Slate Aviation, Southwest Airlines, Sun Country Airlines, United Express, UPS.

Low price calendar

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