Cheap Flights from St. Louis (STL) to Baltimore (BWI) from HK$779~

View HK$779 flight on Fri, 3 Oct 2025Opens in a new window

Popular airlines from St. Louis Lambert Intl. Airport (STL) to Baltimore Washington Intl. Airport (BWI)

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Find Cheap Flights from St. Louis (STL) to Baltimore (BWI)

Prices were available within the past 7 days and start at HK$779 for one-way flights and HK$1,827 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

United
Sat, 4 Oct - Tue, 7 Oct
STL
St. Louis
BWI
Baltimore
HK$1,827 Return, found 3 days ago
HK$1,827
Return
found 3 days ago
Select United flight, departing Sat, 4 Oct from St. Louis to Baltimore, returning Tue, 7 Oct, priced at HK$1,827 found 3 days ago
United
Sat, 4 Oct - Tue, 7 Oct
STL
St. Louis
BWI
Baltimore
HK$2,095 Return, found 3 days ago
HK$2,095
Return
found 3 days ago
Select United flight, departing Sat, 4 Oct from St. Louis to Baltimore, returning Tue, 7 Oct, priced at HK$2,095 found 3 days ago
United
Sat, 4 Oct - Tue, 7 Oct
STL
St. Louis
BWI
Baltimore
HK$2,106 Return, found 3 days ago
HK$2,106
Return
found 3 days ago
Select United flight, departing Sat, 4 Oct from St. Louis to Baltimore, returning Tue, 7 Oct, priced at HK$2,106 found 3 days ago
United
Sat, 4 Oct - Tue, 7 Oct
STL
St. Louis
BWI
Baltimore
HK$2,138 Return, found 3 days ago
HK$2,138
Return
found 3 days ago
Select United flight, departing Sat, 4 Oct from St. Louis to Baltimore, returning Tue, 7 Oct, priced at HK$2,138 found 3 days ago
Delta
Sat, 4 Oct - Tue, 7 Oct
STL
St. Louis
BWI
Baltimore
HK$2,245 Return, found 3 days ago
HK$2,245
Return
found 3 days ago
Select Delta flight, departing Sat, 4 Oct from St. Louis to Baltimore, returning Tue, 7 Oct, priced at HK$2,245 found 3 days ago
United
Sat, 4 Oct - Tue, 7 Oct
STL
St. Louis
BWI
Baltimore
HK$2,374 Return, found 3 days ago
HK$2,374
Return
found 3 days ago
Select United flight, departing Sat, 4 Oct from St. Louis to Baltimore, returning Tue, 7 Oct, priced at HK$2,374 found 3 days ago
United
Sat, 4 Oct - Tue, 7 Oct
STL
St. Louis
BWI
Baltimore
HK$2,375 Return, found 3 days ago
HK$2,375
Return
found 3 days ago
Select United flight, departing Sat, 4 Oct from St. Louis to Baltimore, returning Tue, 7 Oct, priced at HK$2,375 found 3 days ago
United
Sat, 4 Oct - Tue, 7 Oct
STL
St. Louis
BWI
Baltimore
HK$2,417 Return, found 3 days ago
HK$2,417
Return
found 3 days ago
Select United flight, departing Sat, 4 Oct from St. Louis to Baltimore, returning Tue, 7 Oct, priced at HK$2,417 found 3 days ago

Find the cheapest month to fly from St. Louis (STL) to Baltimore (BWI)

September is typically the cheapest month to fly

From HK$926 - HK$4,599 per traveller.

Graph displaying average flight prices per month

St. Louis to Baltimore route information
Origin airport
Lambert-St. Louis Intl.
Destination airport
Baltimore Washington Intl. Thurgood Marshall
Return price
HK$1,827
Distance
1177 km
Average flight time
3 hours 31 mins

Flights from St. Louis to Baltimore

Book cheap flights from St. Louis (STL) to Baltimore (BWI) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from St. Louis (STL) to Baltimore (BWI) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your St. Louis (STL) to Baltimore (BWI) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Baltimore flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Baltimore and things to do in Baltimore for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Baltimore more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Baltimore is HK$779 now!

 

Frequently asked questions

How much is a flight from Lambert-St. Louis Intl. Airport (STL) to BWI Marshall?
Pack your bags, because round-trip journeys between Lambert-St. Louis Intl. Airport (STL) and BWI start from HK$1,827. That's based on fares advertised within the last 7 days on Expedia for flights departing within the next year. Prices can change quickly, so book today to score the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from STL to BWI?
Most flights can be conveniently canceled online, but whether or not you are charged a fee varies between airlines. If you do have to cancel your getaway, follow the easy instructions in the Customer Service Portal.
How do I find cheap flights from Lambert Field to BWI Marshall 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 Lambert-St. Louis Intl. Airport (STL) to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from STL to BWI Airport?
A flight distance of just 1,200 kilometers separates St. Louis and Baltimore. Once you're up in the air, you won't get a chance to do much more than flip through the pages of the in-flight magazine.
Which airlines fly direct from Lambert-St. Louis Intl. Airport (STL) to BWI Marshall?
If you want to fly straight from STL to BWI, Southwest Airlines (WN) is a popular choice. It operates 95 flights each month between St. Louis and Baltimore.
Are STL to Baltimore Washington Intl. Thurgood Marshall Airport (BWI) flight tickets cheaper when they're purchased at the last minute?
It is possible to pick up an amazing last-minute deal from St. Louis Lambert International Airport to BWI, but there's no guarantee. As many airlines release prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to book when you spot a bargain. Expedia compares air carrier prices and updates flight deals all the time, so you can rest assured you're always getting the latest offers.

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