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Cheap Flights from Baltimore to St Louis, MO, United States - BWI to STL

Popular flights from Baltimore to St Louis

If your flight days are flexible and you looking for a good deal, our charts on cheap flights provide some insight regarding affordable flight options for your next big adventure.

American Airlines
Departure Date Return Date Lowest Price
Mar 3, 2016 Mar 7, 2016 $185
United Airlines
Departure Date Return Date Lowest Price
Mar 3, 2016 Mar 7, 2016 $195

How Much Does it Cost to Fly from Baltimore to St Louis (BWI to STL)?

We have collected flight cost data from across the web for travel from Baltimore to St Louis, and have found the average flight price for this trip to be $224.

When Can I Buy the Cheapest Flight from Baltimore to St Louis (BWI to STL)?

Airlines can adjust prices for plane tickets from Baltimore to St Louis based on the day and time that you decide to book your flight. We have collected data from all airlines, and have discovered that the best days to book flights are Tuesdays, Wednesdays, and Saturdays. Read our article to find more information about the best time to buy airline tickets.

How far in advance should you book flights from Baltimore to St Louis

The chart below shows up-to-date information regarding how far in advance a flight from Baltimore to St Louis should be booked.

Non Stop versus 1-Stop
Advanced PurchaseNon StopOne Stop
< 7 days $0 $571
7-14 days $410 $222
14-21 days $185 $193
21-30 days $238 $205
30-60 days $300 $217
60-90 days $197 $205
90+ days $238 $200

Cheapest Day To Fly from Baltimore to St Louis

The chart below shows up-to-date information regarding the cheapest days to fly from Baltimore to St Louis.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$223 $217 $197 $185 $205 $270 $271

Lowest Fares Chart By Month from Baltimore to St Louis

The chart below shows the lowest fare by month when flying from Baltimore to St Louis.

Month Origin Destination Carrier Depart Date Return Date Stops Price
February Baltimore St Louis American 2/25/16 2/27/16 1 $222
March Baltimore St Louis American 3/3/16 3/7/16 0 $185
April Baltimore St Louis United 4/27/16 5/2/16 0 $197
May Baltimore St Louis United 5/11/16 5/18/16 1 $218
June Baltimore St Louis United 6/11/16 6/18/16 1 $200
July Baltimore St Louis American 7/7/16 7/10/16 0 $248
August Baltimore St Louis United 8/3/16 8/10/16 1 $356
September Baltimore St Louis United 9/23/16 9/26/16 1 $379

Cheapest Weekend Non-Stop Flights for the Next 30 Days from Baltimore to St Louis

If you're ready to take a trip in the next 30 days and want to fly on the weekend, you might be wondering which weekend is the cheapest to fly. The chart below shows up-to-date data regarding weekend flight prices from Baltimore to St Louis.

Next 30 Days

SunMonTueWedThuFriSat
14 15 16 17 18 19 20
$410
21 22 23 24 25 26 27
$410
28 29 1 2 3 4 5
$185
6 7 8 9 10 11 12
$185 $238
13 14 15 16 17 18 19
$238

Round Trip vs One Way Flights from Baltimore to St Louis (BWI to STL)

We have found that there is often no price difference between buying a round trip flight versus a one way flight. Increased flexibility is the main benefit when it comes to buying a one way flight from Baltimore to St Louis. However, booking a round trip flight can be a simpler process. You can compare round trip and one way flights by using our flight comparison.

The average price for one way flights from Baltimore to St Louis is $96.

The average price for round trip flights from Baltimore to St Louis is $217.

Baltimore to St Louis Flight Questions

Below are some common questions that asked about this flight route:

Question: What are the most popular connecting cities when flying from Baltimore to St Louis?
Answer: Chicago, IL

Airlines Flying from Baltimore to St Louis (BWI to STL)

Below are the different airlines that fly from Baltimore to St Louis with the average price of their plane tickets. Just remember that different airlines offer different levels of comfort and service, so consider convenience when choosing your airline.

Below is the full flight schedule summary of the next 30 days for flights from Baltimore to St Louis.

Baltimore to St Louis
Airline Connections Mon Tue Wed Thu Fri Sat Sun
American PHL X X X X X X X
Delta CVG X X X X X X X
United EWR X X X X X X X
Southwest - X X X X X X X
Southwest BNA X X X X X X X

Airports for Your Route

These pages contain information about the major airports in Baltimore and St Louis, so you can feel comfortable knowing how to get around whether you are about to take off or you just landed.

Cheap Domestic Flights from Baltimore - BWI

FlightsAirlineLowest Price
Baltimore to Chicago American, Spirit, United $78

Cheap Domestic Flights to St Louis - STL

FlightsAirlineLowest Price
New York to St Louis American, United $243
Washington to St Louis American, United $185
Philadelphia to St Louis American, United $316
Newark to St Louis American, United $243
Pittsburgh to St Louis American, United $164
Norfolk to St Louis American, United $301
Richmond to St Louis American, United $309
Newport News to St Louis American $446
New York to Chicago American, Alaska, JetBlue, Spirit, United $77
Charlottesville to St Louis American, United $220
Harrisburg to St Louis American, United $380
State College to St Louis American, United $772
Allentown - Bethlehem - Easton to St Louis American, United $238
Wilkes - Barre to St Louis American, United $270
Lynchburg to St Louis American Check Dates
New York to Atlanta American, Alaska, Frontier, Spirit, United $124
New York to Los Angeles American, Alaska, JetBlue, Spirit, Sun Country, United, Virgin America $208
New York to Dallas - Ft Worth American, JetBlue, Spirit, Sun Country, United, Virgin America $78
Washington to Chicago American, Alaska, Frontier, United $81
Philadelphia to Chicago American, Alaska, Frontier, Spirit, United $78
New York to Orlando American, JetBlue, Spirit, United $151
New York to Miami American, Frontier, United $95
Newark to Chicago American, Alaska, JetBlue, Spirit, United $145
New York to Las Vegas American, Alaska, JetBlue, Spirit, United, Virgin America $223
New York to Detroit American, JetBlue, Spirit, United $84
Philadelphia to Atlanta American, Frontier, Spirit, United $74
New York to Minneapolis - St Paul American, Sun Country, United $254

Cheap International Flights to St Louis - STL

FlightsAirlineLowest Price
New York to London American, Air Berlin, Air France, Finnair, Alitalia, JetBlue, British Airways, airBaltic, Condor, OpenSkies, Aer Lingus, Iberia, Meridiana, KLM, Kuwait, Lufthansa, LOT, Thomas Cook, Czech, Austrian, TAROM, SATA, SAS, Brussels, Tap Portugal, United, Air Europa, Virgin Atlantic $600
New York to Toronto American, Air Canada, Alaska, JetBlue, Porter, United, WestJet $183
Cheap Flights from Baltimore to St Louis, MO, United States, from $185 Round trip from BWI to STL