Maryland

$70+ Cheap flights from St. Louis (STL) to Maryland

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 7/20. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BWI
jun. 17 — jun. 241
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Cheap flight deals from St. Louis to Maryland

Keep the following information in mind while searching for St. Louis to Maryland flight deals. Data was last updated junio 12, 2025.

Round-trip from

$140
(Mytrip)

One-way from

$70
(Mytrip)

Popular in

March

Cheapest in

November

Average price

$273

Good round-trip deal

$294 or less

Good one-way deal

$264 or less
From Lambert-St Louis to Maryland
One-way flight from Lambert-St Louis to Maryland
Highest demand for flights based on searches. 9% potential increase in price ($31 potential increase over avg. RT price).
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Average for round-trip flights in June 2025
Price to beat on a round-trip flight from Lambert-St Louis to Maryland.
Price to beat on a one-way flight from Lambert-St Louis to Maryland.

Find flight deals from St. Louis to Maryland

Cheapest flights from St. Louis to Maryland
Explore the most affordable flight options available from St. Louis to Maryland. Find the lowest fares from popular airlines and budget airlines, with prices last updated on junio 12, 2025.

This Mytrip deal was found by Cheapflights users on 6/11. 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.
dom. 7/66:36 pmSTL - BWI
1 stop11h 28mSpirit Airlines
sáb. 7/2610:11 pmBWI - STL
1 stop12h 41mSpirit Airlines
Deal found 6/11$140
This Southwest deal was found by Cheapflights users on 6/10. 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.
mié. 11/196:05 amSTL - BWI
Nonstop2h 00mSouthwest
mié. 12/38:40 pmBWI - STL
Nonstop2h 20mSouthwest
Deal found 6/10$197
This American Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 7/46:00 amSTL - DCA
Nonstop2h 05mAmerican Airlines
sáb. 7/122:58 pmDCA - STL
Nonstop2h 19mAmerican Airlines
Deal found 6/11$204
This Southwest deal was found by Cheapflights users on 6/10. 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.
jue. 7/316:10 amSTL - DCA
2 stops5h 25mSouthwest
lun. 8/48:00 amDCA - STL
Nonstop2h 10mSouthwest
Deal found 6/10$208
This Delta deal was found by Cheapflights users on 6/10. 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.
mié. 11/57:20 amSTL - IAD
1 stop5h 37mDelta
sáb. 11/86:10 amIAD - STL
1 stop4h 25mDelta
Deal found 6/10$208
This United Airlines deal was found by Cheapflights users on 6/11. 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.
vie. 8/15:30 pmSTL - DCA
1 stop4h 12mUnited Airlines
jue. 8/77:25 amDCA - STL
1 stop6h 02mUnited Airlines
Deal found 6/11$213
This United Airlines deal was found by Cheapflights users on 6/12. 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.
mié. 9/249:17 amSTL - IAD
1 stop5h 35mUnited Airlines
vie. 9/266:30 amIAD - STL
1 stop5h 19mUnited Airlines
Deal found 6/12$213
This American Airlines deal was found by Cheapflights users on 6/11. 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.
mié. 9/249:57 amSTL - BWI
1 stop6h 44mAmerican Airlines
lun. 9/296:14 amBWI - STL
1 stop4h 02mAmerican Airlines
Deal found 6/11$217
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/511:00 amSTL - BWI
1 stop4h 54mFrontier
sáb. 7/127:20 amBWI - STL
1 stop7h 39mFrontier
Deal found 6/11$221
This Delta deal was found by Cheapflights users on 6/11. 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.
vie. 10/35:40 pmSTL - DCA
1 stop4h 39mDelta
mar. 10/77:00 amDCA - STL
1 stop6h 25mDelta
Deal found 6/11$223
This Frontier deal was found by Cheapflights users on 6/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb. 7/122:52 pmSTL - IAD
1 stop7h 27mFrontier
sáb. 7/196:10 amIAD - STL
1 stop8h 49mFrontier
Deal found 6/11$226
This FlightHub deal was found by Cheapflights users on 6/9. 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.
sáb. 6/282:52 pmSTL - BWI
1 stop8h 02mMultiple Airlines
dom. 6/292:08 pmBWI - STL
1 stop3h 56mMultiple Airlines
Deal found 6/9$236

Cheapflights Fare Finder

Customize your flight search to find flights from St. Louis to Maryland 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 junio 12, 2025.
Use the filters below to find and compare flights from St. Louis to Maryland that are best for you.

Fly from

St. Louis

Fly to

Maryland

Route

Depart

Return

Price

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

dom. 7/6

6:36 pm-7:04 am

1 stop11h 28m

Baltimore/Washington

sáb. 7/26

10:11 pm-9:52 am

1 stop12h 41m

$140

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

mié. 9/10

9:45 am-12:45 pm

Nonstop2h 00m

Baltimore/Washington

mié. 9/24

8:40 pm-9:55 pm

Nonstop2h 15m

$197

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

lun. 6/30

7:20 pm-10:20 pm

Nonstop2h 00m

Washington, D.C. Reagan-National

jue. 7/3

12:00 pm-1:10 pm

Nonstop2h 10m

$204

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

mié. 11/5

7:20 am-1:57 pm

1 stop5h 37m

Washington, D.C. Dulles Intl

sáb. 11/8

6:10 am-9:35 am

1 stop4h 25m

$208

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

vie. 8/1

5:30 pm-10:42 pm

1 stop4h 12m

Washington, D.C. Reagan-National

jue. 8/7

7:25 am-12:27 pm

1 stop6h 02m

$213

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

mié. 9/24

9:17 am-3:52 pm

1 stop5h 35m

Washington, D.C. Dulles Intl

vie. 9/26

6:30 am-10:49 am

1 stop5h 19m

$213

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

sáb. 8/30

6:02 am-9:03 am

Nonstop2h 01m

Washington, D.C. Reagan-National

lun. 9/1

7:51 pm-9:02 pm

Nonstop2h 11m

$214

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

sáb. 7/5

11:00 am-4:54 pm

1 stop4h 54m

Baltimore/Washington

sáb. 7/12

7:20 am-1:59 pm

1 stop7h 39m

$221

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

sáb. 7/12

2:52 pm-11:19 pm

1 stop7h 27m

Washington, D.C. Dulles Intl

sáb. 7/19

6:10 am-1:59 pm

1 stop8h 49m

$226

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

sáb. 8/16

1:01 pm-6:30 pm

1 stop4h 29m

Baltimore/Washington

jue. 8/21

7:45 pm-11:55 pm

1 stop5h 10m

$229

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 50 results
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Best time to book a flight from St. Louis to Maryland

Have a flexible travel schedule? Discover the best time to fly to Maryland from St. Louis 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 St. Louis to Maryland

What is the cheapest month to book a flight from St. Louis to Maryland?

Currently, August is the cheapest month in which you can book a flight from St. Louis to Maryland (average of $241). Flying from St. Louis to Maryland in March is currently the most expensive (average of $290). 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 STL to MD?

Find hourly flight availability from St. Louis to Maryland. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated junio 12, 2025.

When flying from St. Louis to Maryland, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Maryland by month

Plan your trip to Maryland by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Maryland ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Maryland when rainfall is around 2.9 in.

Temperature in Maryland by month

Plan your trip to Maryland by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Maryland, 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 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 F).

Reviews of airlines servicing Maryland

Get insights into the airlines that provide service to Maryland. 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 Maryland. Reviews last updated junio 12, 2025.
Peruse reviews from past customers who have flown with Southwest, Delta and United Airlines from St. Louis to Maryland to help guide your decision. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.
8.0
Very good

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Boarding

8.2

Comfort

8.0

Food

7.1

Overall

8.0

Entertainment

7.6

Crew

8.6

Reviews

1 / 20
8.0
Excellent

John,May 2025

PVD - BNA

It’s southwest so no frills but clean, efficient and got me to my location.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Maryland. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
  • What airport do you fly from for flights from St. Louis to Maryland?

    For a flight from St. Louis to Maryland, you will be flying from Lambert-St Louis. Lambert-St Louis (STL) is just 12.7 mi from the center of the city.

  • How popular is this St. Louis to Maryland flight route?

  • What are the cheapest airlines to fly from St. Louis to Maryland one-way?

    The cheapest airlines for a one-way flight from St. Louis to Maryland are Spirit Airlines ($70), Southwest ($98), and American Airlines ($99).

  • What are the most popular routes from St. Louis to Maryland?

  • What are the cheapest flights from St. Louis to Maryland?

    On average you can expect to pay $353 for a flight from St. Louis to Maryland. The cheapest flight overall is $147 while the most popular route, (Lambert-St Louis - Washington, D.C. Dulles Intl) is currently priced at $177.

  • Can I find deals for flights from St. Louis to Maryland that include hotel bookings?

    Yes. In addition to deals on St. Louis to Maryland flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from St. Louis to Maryland?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from St. Louis to Maryland.

  • Can I find deals for business class flights from St. Louis to Maryland?

    Yes. Cheapflights offers flight deals from St. Louis to Maryland by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from St. Louis to Maryland?

    Currently, August is the cheapest month in which you can book a flight from St. Louis to Maryland (average of $241). Flying from St. Louis to Maryland in March is currently the most expensive (average of $290). 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.

See more FAQs

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Alternative routes for St. Louis to Maryland

See prices for flight routes from nearby airports that may be better suited for you.

Top 5 airlines flying from St. Louis to Maryland

Discover the top 5 airlines that operate flights from St. Louis to Maryland. 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 junio 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$120Average$217FlexibilityNo cancel feeOn-time62%
American AirlinesCheapest$166Average$461FlexibilityNo cancel feeOn-time71%
DeltaCheapest$176Average$290FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$197Average$364FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$232Average$363FlexibilityNo cancel feeOn-time69%

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