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The cheapest flights to Lambert-St. Louis Intl. found within the past 7 days were $166 round trip and $126 one way. Prices and availability subject to change. Additional terms may apply.
|Traveling From||Baltimore Washington Intl. Thurgood Marshall|
|Traveling To||Lambert-St. Louis Intl.|
|Shortest Flight Time||hours mins|
|Earliest Departure Time|
|Latest Departure Time|
|Lowest Flight Price||$166|
Flight path for flights from Baltimore/Wash International Thurgood Marshall Airport to Lambert-St. Louis International Airport
Airlines & Aircraft Used on BWI to STL Flight Routes
With 20 airlines to choose from on Travelocity, you can easily find the best option for you. Use our filters to sort by price, compare airlines, and find the most convenient flight times.
Airfares to St. Louis STL from Baltimore BWI currently cost between $166 and $251. It’s usually cheaper to book a round trip than two separate one-way flights. Prices and availability subject to change. Additional terms may apply.
If you want to be flexible about when you return, or keep your travel options open ended, a one-way flight could be just the ticket! You’ll find one-way airfares from Baltimore BWI to St. Louis STL on Travelocity starting at $126. Prices and availability subject to change. Additional terms may apply.
Get to St. Louis faster, without the hassle of changing planes and moving baggage, by booking a direct flight. Expect your direct flight to STL from BWI to take around hour(s) min(s).
Find cheap flight deals by using our search filters to sort results starting with the lowest price airfares to STL from BWI. Our Price Match Promise means if you find a lower rate on Travelocity.com or on another US-based website within 24 hours of booking, we’ll credit or refund the difference.
If you’re flexible about when you travel, January is usually the cheapest month to fly from Baltimore BWI to St. Louis STL. If you need to be more specific, search by date and arrival and departure times.Then, compare prices across different airlines, and sort results by lowest price first.
Some airlines let you change your travel dates without charging a fee. Use our ‘no change fee’ filter to see which flights to STL from BWI have this option.
We’ve secured fantastic deals with all the main airline carriers and it’s easy to compare, choose, and book with Travelocity. With 24/7 customer service and our free 'App', we’ll always keep you moving.
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