CA $225 Cheap Flights from Baltimore (BWI) to St. Louis (STL)

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Cheap flights from Baltimore (BWI) to St. Louis (STL)

Prices were available within the past 7 days and start at CA $225 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Flight from Baltimore to St. Louis (BWI - STL) route information
Origin airport
Baltimore Washington Intl. Thurgood Marshall
Destination airport
Lambert-St. Louis Intl.
Distance
1177 km

Baltimore to St. Louis Flights

The easy way to book your flights from Baltimore to St. Louis 

With Expedia, it’s simple to find and book flights to St. Louis from Baltimore whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are Southwest Airlines nonstop flights to Lambert-St. Louis Intl., too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Baltimore to St. Louis today, tomorrow, or this week.  

 

Save dollars with cheap flights from Baltimore Washington Intl. Thurgood Marshall, BWI to Lambert-St. Louis Intl., STL 

Sort your search results by price to find great deals on your flight from Baltimore to St. Louis—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to St. Louis from Baltimore currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to St. Louis  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to St. Louis from Baltimore 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to St. Louis with Expedia today.

Frequently asked questions

How much is a flight from BWI Marshall to Lambert Field?
Round-trip tickets from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to Lambert-St. Louis Intl. Airport (STL) start from . This price is based on fares advertised within the last 7 days on Expedia for flights departing within the next year — book ASAP to avoid missing out. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from BWI to St. Louis Lambert International Airport?
Most flights can be canceled online, but whether you are charged a fee varies between airlines. If you do need to cancel your escape, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from BWI to Lambert Field that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you’re searching for BWI Airport to Lambert Field flights, you’ll see a “no change fees” filter for you to select.
How far is the flight from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to STL?
With a flight distance of 1,200 kilometers, it’s only a short hop from BWI Marshall to St. Louis Lambert International Airport. It might be a quick journey, but it’s still worth bringing along something to keep you busy on board.
Which airlines fly direct from Baltimore Washington Intl. Thurgood Marshall Airport (BWI) to STL?
Southwest Airlines (WN) will get you from BWI Marshall to STL comfortably and reliably. Choose from 95 direct flights every month on this route.
Are BWI Marshall to STL flight tickets cheaper when they're purchased at the last minute?
Last-minute bookings from BWI Marshall to Lambert-St. Louis Intl. Airport (STL) can be hit-or-miss. You may be able to score a great bargain, but then again, you could miss out altogether! If you’d prefer to play it safe and start your travel planning early, Expedia compares flight deals up to a year in advance. Just bear in mind that not all airlines list their prices that far in advance. Our suggestion? Check back often as prices are updated regularly.
Baltimore nearby Airports

Washington

Ronald Reagan Washington National to St. Louis
CA $270.00
*Available to Expedia members.