Flights from St Louis to Baltimore, United States

Did you mean flights from Baltimore to St Louis?

St Louis to Baltimore Last modified: Sep 19, 2023 11:03 -04:00

We've scanned 109,155,000 round trip itineraries and found the cheapest flights to Baltimore. Frontier & Major Airlines frequently offer the best deals to Baltimore flights, or select your preferred carrier below to see the cheapest days to fly.

Frontier
STLBWI
Fri 10/13
1 stop
BWISTL
Wed 10/18
1 stop
$118
Major Airlines
STLBWI
Tue 10/17
1 stop
BWISTL
Tue 10/24
1 stop
$254
American
STLBWI
Tue 12/5
1 stop
BWISTL
Tue 12/12
1 stop
$260
United
STLBWI
Tue 10/17
1 stop
BWISTL
Tue 10/24
1 stop
$305
Multiple Airlines
STLBWI
Fri 10/6
1 stop
BWISTL
Sun 10/15
1 stop
$525

How Much is a Flight from St Louis to Baltimore?

We have collected flight cost data from across the web for travel from St Louis to Baltimore, and have found the average flight price for this trip to be $240.

Where To Buy Cheap Flights from St Louis to Baltimore?

The best way to find a great deal on airfare is to search multiple sites. When you run a search on FareCompare, we search multiple sites and fare sources all at once so you don't have to - which is why we think FareCompare is the best place to find cheap tickets. Airlines can adjust prices for tickets from St Louis to Baltimore based on the day and time that you decide to book your flight. We have collected data from all airlines, and have found that Tuesdays, Wednesdays, and Saturdays are often the best days to book flights. If you'd like to learn more, read our article about the best time to buy airline tickets.

How far in advance should I book tickets from St Louis to Baltimore?

The chart below shows up-to-date information regarding how far in advance to book your flight from St Louis to Baltimore.

Non Stop versus Connecting
Advanced PurchaseNon StopConnecting
< 7 days $197 $422
7-14 days $239 $324
14-21 days $135 $178
21-30 days $164 $118
30-60 days $173 $263
60-90 days $168 $260
90+ days $244 $254

Cheapest Day To Fly from St Louis to Baltimore

We've examined 218,310,000 itinerary searches that we've seen for departures in the next 90 days and found that the cheapest day to fly from St Louis to Baltimore is Thursday. See the chart below to compare prices for other days of the week.

Monday Tuesday Wednesday Thursday Friday Saturday Sunday
$254$260$278$118$269$220$278

Compare Flight Prices from St Louis to Baltimore by Month

Low priced flights are most commonly available by purchasing between one and three months in advance. International or holiday flights may need to be purchased even further in advance. The chart below shows the cheapest flight prices by month for St Louis to Baltimore flights.

Month Origin Destination Carrier Depart Date Return Date Stops Price
September St Louis Baltimore Major Airlines 9/30/23 10/8/23 1 $375
October St Louis Baltimore Frontier 10/13/23 10/18/23 1 $118
November St Louis Baltimore Major Airlines 11/1/23 11/7/23 1 $263
December St Louis Baltimore American 12/5/23 12/12/23 1 $260
January St Louis Baltimore Major Airlines 1/3/24 1/10/24 1 $254
February St Louis Baltimore Major Airlines 2/6/24 2/13/24 1 $263
March St Louis Baltimore Major Airlines 3/5/24 3/12/24 1 $317
April St Louis Baltimore Major Airlines 4/25/24 5/5/24 1 $317

Cheap Last Minute Flights from St Louis to Baltimore

Looking for cheap last minute flights or a weekend getaway? We've got you covered with weekend flight deals from St Louis to Baltimore. The chart below shows the best last minute deals and cheap flights this weekend we could find.

Next 30 Days

SunMonTueWedThuFriSat
17 18 19 20 21 22 23
$464
24 25 26 27 28 29 30
$464 $417
1 2 3 4 5 6 7
$417 $178
8 9 10 11 12 13 14
$178 $118
15 16 17 18 19 20 21
$118 $278
22 23 24 25 26 27 28
$278

Connecting Flights vs Direct Flights from St Louis to Baltimore

Flights between some cities may be significantly cheaper if you choose a multi-stop airline ticket. Although these connecting flights sacrifice some convenience, on average, travelers save 20%-60% when they choose to fly multi-stop versus a direct flight.

The average price for connecting flights from St Louis to Baltimore is $301.

The average price for direct flights from St Louis to Baltimore is $222.

One Way Flights vs Round Trip Flights from St Louis to Baltimore

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 St Louis to Baltimore. 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 St Louis to Baltimore is $131.

The average price for round trip flights from St Louis to Baltimore is $301.

St Louis to Baltimore Flight Questions

St Louis to Baltimore Airports

These are the major commercial airports we're currently monitoring in St Louis and Baltimore. If your route includes a city with multiple airports, you may be able to find substantial savings by choosing an alternate airport.

Farecompare Research Tools

FareCompare's Flight Schedule Search Tool helps you find information about airline schedule filings, including flight numbers, depart times, and travel distance.

Cheap Flights from St Louis to Baltimore