Vuelos de American Airlines de St. Louis (STL) a Baltimore (BWI) desde $141

It’s always prudent to know about any travel advice reports and quarantine requirements in place in your destination. Make sure you check out our Covid-19 Travel Advisor for up-to-date info on booking a flight to BWI from Lambert-St. Louis Intl. Airport (STL).

Once you’ve been given your ticket for your flight from Lambert-St. Louis Intl. Airport (STL) to BWI, you should be able to identify exactly which terminals American Airlines flies in and out of. If not, contact your airline or do some research online for that information.

American Airlines doesn’t fly direct between Lambert Field and BWI Airport, so prepare to make a stopover. If you have time to spare between flights, sit down and enjoy a coffee while you wait for your connection.

If the weather’s good and things run smoothly, your American Airlines flight from STL to BWI will take around 3 hours and 34 minutes. Use that time to check the details on your itinerary before the wheels hit the tarmac.

There are approximately 4 flights every day with American Airlines from STL to BWI Marshall.

For more info about changing your flight to BWI Marshall, please visit our Customer Service Portal.

This just in! Airfares offered on Thursdays tend to be the cheapest, according to flight demand on Travelocity in 2021. Tuesday and Wednesday prices are also good, but you may want to prepare your budget if booking during the weekend, as data shows that is when prices are generally at their highest.

Frequent travelers may already know this, but earlier in the week can be the cheapest time to fly. In 2021, flights departing on a Monday were generally the cheapest of the week, whereas you may pay a premium for weekend flights when demand is usually high. On average, tickets were most expensive for Saturday departures, so if you need to fly out on a weekend, you might look for deals ahead of time.

Trying to figure out how early you should book your flight? It’s possible to start comparing international airfares on Travelocity up to 12 months in advance. However, it does depend on the carrier as not all airlines release their prices that far out. According to our 2021 flight demand trends, last minute planners can still bag a bargain with some of the cheapest fares appearing 0-2 weeks prior to their travel dates.*According to flight demand on Travelocity.com from January to December 2021. Savings are subject to change based on departure location, date and destination.