$84+ Cheap flights from Maryland to St. Louis (STL)
This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/6. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — STL
huhti 5 — huhti 121
1 adult, Economy
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Find cheap flights from Maryland to St. Louis with Cheapflights
1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.Cheap flight deals from Maryland to St. Louis
Keep the following information in mind while searching for Maryland to St. Louis flight deals. Data was last updated maaliskuu 31, 2025.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $166 (FlightHub) |
One-way from | $84 (Cheapflightsfares) |
Popular in | March |
Cheapest in | August |
Average price | $379 |
Good round-trip deal | $265 or less |
Good one-way deal | $108 or less |
Find flight deals from Maryland to St. Louis
Cheapest flights from Maryland to St. LouisExplore the most affordable flight options available from Maryland to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on maaliskuu 31, 2025.
Explore the most affordable flight options available from Maryland to St. Louis. Find the lowest fares from popular airlines and budget airlines, with prices last updated on maaliskuu 31, 2025.
This FlightHub deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 4/296:50 amBWI - STL
1 stop11h 25mSpirit Airlines
la 5/1010:10 amSTL - BWI
1 stop11h 31mSpirit Airlines
Deal found 3/31![Spirit Airlines logo]()
$166
This Flightnetwork deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Flightnetwork is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 4/296:50 amBWI - STL
1 stop11h 25mMultiple Airlines
ma 5/55:45 pmSTL - BWI
1 stop21h 12mMultiple Airlines
Deal found 3/31![Multiple Airlines logo]()
$181
This Mytrip deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ke 5/1410:40 amBWI - STL
1 stop14h 26mFrontier
ke 5/215:45 pmSTL - BWI
1 stop13h 54mFrontier
Deal found 3/30![Frontier logo]()
$199
This Booking.com deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
pe 5/165:26 pmIAD - STL
1 stop7h 48mFrontier
su 5/185:45 pmSTL - IAD
1 stop21h 51mFrontier
Deal found 3/30![Frontier logo]()
$208
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
la 5/245:10 pmIAD - STL
1 stop6h 35mUnited Airlines
su 5/258:15 amSTL - IAD
Nonstop2h 08mUnited Airlines
Deal found 3/30![United Airlines logo]()
$214
This Southwest deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 5/298:00 amDCA - STL
Nonstop2h 10mSouthwest
ti 6/37:10 amSTL - DCA
1 stop4h 20mSouthwest
Deal found 3/30![Southwest logo]()
$214
This American Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
la 5/2410:20 amDCA - STL
Nonstop2h 32mAmerican Airlines
su 5/256:00 amSTL - DCA
1 stop4h 49mAmerican Airlines
Deal found 3/30![American Airlines logo]()
$219
This CheapOair deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ti 4/156:00 pmDCA - STL
1 stop16h 06mFrontier
ke 4/166:51 pmSTL - DCA
1 stop16h 13mFrontier
Deal found 3/31![Frontier logo]()
$220
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
la 5/2410:09 amIAD - STL
1 stop5h 26mDelta
su 5/256:45 amSTL - IAD
1 stop4h 21mDelta
Deal found 3/30![Delta logo]()
$224
This Delta deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 5/298:59 amDCA - STL
1 stop6h 36mDelta
ti 6/32:15 pmSTL - DCA
1 stop3h 44mDelta
Deal found 3/30![Delta logo]()
$224
This Sun Country Air deal was found by Cheapflights users on 3/31. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
to 9/1812:23 pmBWI - STL
1 stop24h 06mSun Country Air
su 9/217:34 amSTL - BWI
1 stop8h 07mSun Country Air
Deal found 3/31![Sun Country Air logo]()
$245
This United Airlines deal was found by Cheapflights users on 3/30. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
su 4/2710:30 amDCA - STL
1 stop5h 15mUnited Airlines
ti 4/291:12 pmSTL - DCA
1 stop4h 49mUnited Airlines
Deal found 3/30![United Airlines logo]()
$249
Cheapflights Fare Finder
Customize your flight search to find flights from Maryland to St. Louis that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated maaliskuu 31, 2025.
Use the filters below to find and compare flights from Maryland to St. Louis that are best for you.
Fly from
Maryland
Fly to
St. Louis
Route
Depart
Return
Price
BaltimoreSt. Louis
BWI - STL
BWISTL
Baltimore/Washington
ti 4/29
6:50 am-5:15 pm
1 stop11h 25m
Lambert-St Louis
la 5/10
10:10 am-10:41 pm
1 stop11h 31m
$166
BaltimoreSt. Louis
BWI - STL
BWISTL
Baltimore/Washington
ti 4/29
6:50 am-5:15 pm
1 stop11h 25m
Lambert-St Louis
ma 5/5
5:45 pm-3:57 pm
1 stop21h 12m
$181
BaltimoreSt. Louis
BWI - STL
BWISTL
Baltimore/Washington
ke 5/14
10:40 am-12:06 am
1 stop14h 26m
Lambert-St Louis
ke 5/21
5:45 pm-8:39 am
1 stop13h 54m
$199
Washington, D.C.St. Louis
IAD - STL
IADSTL
Washington, D.C. Dulles Intl
pe 5/16
5:26 pm-12:14 am
1 stop7h 48m
Lambert-St Louis
su 5/18
5:45 pm-4:36 pm
1 stop21h 51m
$208
Washington, D.C.St. Louis
IAD - STL
IADSTL
Washington, D.C. Dulles Intl
la 5/24
5:10 pm-10:45 pm
1 stop6h 35m
Lambert-St Louis
su 5/25
8:15 am-11:23 am
Nonstop2h 08m
$214
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
to 5/29
8:00 am-9:10 am
Nonstop2h 10m
Lambert-St Louis
ti 6/3
7:10 am-12:30 pm
1 stop4h 20m
$214
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
la 5/24
10:20 am-11:52 am
Nonstop2h 32m
Lambert-St Louis
su 5/25
6:00 am-11:49 am
1 stop4h 49m
$219
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
ti 4/15
6:00 pm-9:06 am
1 stop16h 06m
Lambert-St Louis
ke 4/16
6:51 pm-12:04 pm
1 stop16h 13m
$220
Washington, D.C.St. Louis
IAD - STL
IADSTL
Washington, D.C. Dulles Intl
la 5/24
10:09 am-2:35 pm
1 stop5h 26m
Lambert-St Louis
su 5/25
6:45 am-12:06 pm
1 stop4h 21m
$224
Washington, D.C.St. Louis
DCA - STL
DCASTL
Washington, D.C. Reagan-National
to 5/29
8:59 am-2:35 pm
1 stop6h 36m
Lambert-St Louis
ti 6/3
2:15 pm-6:59 pm
1 stop3h 44m
$224
Showing 1-10 of 48 results
Best time to book a flight from Maryland to St. Louis
Have a flexible travel schedule? Discover the best time to fly to St. Louis from Maryland with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Maryland to St. Louis
What is the cheapest month to book a flight from Maryland to St. Louis?
Currently, August is the cheapest month in which you can book a flight from Maryland to St. Louis (average of $311). Flying from Maryland to St. Louis in March is currently the most expensive (average of $356). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
What is the cheapest time of day to fly from MD to STL?
Find hourly flight availability from Maryland to St. Louis. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated maaliskuu 31, 2025.
Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Maryland to St. Louis as you normally would.
Rainfall in St. Louis by month
Plan your trip to St. Louis by taking into account the average rainfall totals by month.
In terms of precipitation, rainfall in St. Louis ranges from 2.2 - 4.7 inches per month. May is typically the wettest month, when rainfall can reach 4.7 in. February is typically the driest time to visit St. Louis when rainfall is around 2.2 in.
Temperature in St. Louis by month
Plan your trip to St. Louis by taking into account the average temperature totals by month.
If weather is an important factor for your trip to St. Louis, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 80.6 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 32.0 F).
Reviews of airlines servicing St. Louis
Get insights into the airlines that provide service to St. Louis. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to St. Louis. Reviews last updated maaliskuu 31, 2025.
To help decide which airline to fly from Maryland to St. Louis, see what other customers have to say about Southwest, Delta and United Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Overall
8.0
Food
7.1
Crew
8.6
Entertainment
7.6
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Overall
8.0
Food
7.1
Crew
8.6
Entertainment
7.6
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Overall
8.0
Food
7.1
Crew
8.6
Entertainment
7.6
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Overall
8.0
Food
7.1
Crew
8.6
Entertainment
7.6
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Overall
8.0
Food
7.1
Crew
8.6
Entertainment
7.6
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Overall
8.0
Food
7.1
Crew
8.6
Entertainment
7.6
Comfort
8.0
Boarding
8.2
Reviews
1 / 20
8.0
ExcellentIla,Mar 2025
HOU - DAL
Related info for your journey
Find useful and relevant information for your journey from Maryland to St. Louis. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
Traveling to a place near Maryland?
Book flights to Maryland if you plan to visit one of these locationsFenton
Maryland Heights
Fairview Heights
Collinsville
Wentzville
Eureka
St. Peters
Festus
Glencoe
Alton
Farmington
Chesterfield
Browse thousands of different options on Cheapflights for your next trip
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Alternative routes for Maryland to St. Louis
See prices for flight routes from nearby airports that may be better suited for you.
Top 5 airlines flying from Maryland to St. Louis
Discover the top 5 airlines that operate flights from Maryland to St. Louis. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated maaliskuu 31, 2025.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$108 | Average$215 | FlexibilityNo cancel fee | On-time62% | |
| Cheapest$168 | Average$388 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$176 | Average$319 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$197 | Average$381 | FlexibilityNo cancel fee | On-time63% | |
| Cheapest$288 | Average$548 | FlexibilityNo cancel fee | On-time69% |