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$78+ 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 4/29. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BWI
abr. 2 — abr. 91
mié. 4/2
mié. 4/9
1 adult, Economy
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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 marzo 28, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$177
(Southwest)

One-way from

$78
(Mytrip)

Popular in

March

Cheapest in

November

Average price

$371

Good round-trip deal

$310 or less

Good one-way deal

$128 or less
Provider with most accurate pricing for Lambert-St Louis-Washington, D.C. (WAS) flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Washington, D.C. (WAS) flights.
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From Lambert-St Louis to Maryland
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One-way flight from Lambert-St Louis to Maryland
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Highest demand for flights based on searches. 8% potential increase in price ($25 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($7 potential savings vs. average RT price).
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Average for round-trip flights in March 2025
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Price to beat on a round-trip flight from Lambert-St Louis to Maryland.
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Price to beat on a one-way flight from Lambert-St Louis to Maryland.
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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 marzo 28, 2025.

This Southwest deal was found by Cheapflights users on 3/27. 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. 4/245:45 amSTL - BWI
Nonstop2h 00mSouthwest
jue. 5/19:30 pmBWI - STL
Nonstop2h 15mSouthwest
Deal found 3/27$177
This Booking.com deal was found by Cheapflights users on 3/27. 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.
jue. 4/246:10 pmSTL - BWI
1 stop5h 46mMultiple Airlines
dom. 4/275:08 pmBWI - STL
1 stop7h 56mMultiple Airlines
Deal found 3/27$202
This Southwest deal was found by Cheapflights users on 3/27. 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. 4/238:15 amSTL - DCA
1 stop5h 05mSouthwest
sáb. 4/2612:35 pmDCA - STL
Nonstop2h 15mSouthwest
Deal found 3/27$207
This Delta deal was found by Cheapflights users on 3/27. 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. 4/2512:51 pmSTL - BWI
1 stop6h 09mDelta
lun. 4/286:50 pmBWI - STL
1 stop5h 46mDelta
Deal found 3/27$207
This United Airlines deal was found by Cheapflights users on 3/27. 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. 4/235:35 pmSTL - IAD
1 stop5h 24mUnited Airlines
sáb. 4/268:35 amIAD - STL
Nonstop2h 23mUnited Airlines
Deal found 3/27$207
This Booking.com deal was found by Cheapflights users on 3/27. 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.
mar. 5/135:45 pmSTL - BWI
1 stop20h 50mFrontier
dom. 5/189:16 pmBWI - STL
1 stop27h 50mFrontier
Deal found 3/27$208
This Delta deal was found by Cheapflights users on 3/26. 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.
sáb. 4/267:10 amSTL - DCA
1 stop6h 49mDelta
mié. 4/306:00 amDCA - STL
1 stop4h 28mDelta
Deal found 3/26$217
This Delta deal was found by Cheapflights users on 3/26. 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.
sáb. 4/266:50 amSTL - IAD
1 stop3h 41mDelta
lun. 4/287:46 pmIAD - STL
1 stop4h 50mDelta
Deal found 3/26$217
This American Airlines deal was found by Cheapflights users on 3/27. 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. 4/235:45 amSTL - DCA
1 stop7h 35mAmerican Airlines
jue. 4/248:22 amDCA - STL
Nonstop2h 30mAmerican Airlines
Deal found 3/27$220
This Mytrip deal was found by Cheapflights users on 3/27. 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.
jue. 4/246:10 pmSTL - BWI
1 stop5h 46mSpirit Airlines
lun. 4/287:40 pmBWI - STL
2 stops22h 35mSpirit Airlines
Deal found 3/27$234
This Booking.com deal was found by Cheapflights users on 3/27. 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.
mié. 4/166:51 pmSTL - DCA
1 stop16h 13mFrontier
sáb. 4/196:00 pmDCA - STL
1 stop18h 41mFrontier
Deal found 3/27$238
This Frontier deal was found by Cheapflights users on 3/26. 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. 6/72:27 pmSTL - IAD
1 stop14h 31mFrontier
sáb. 6/146:10 amIAD - STL
1 stop8h 47mFrontier
Deal found 3/26$240

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 marzo 28, 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

jue. 4/24

5:45 am-8:45 am

Nonstop2h 00m

Baltimore/Washington

jue. 5/1

9:30 pm-10:45 pm

Nonstop2h 15m

$177

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

jue. 4/24

6:10 pm-12:56 am

1 stop5h 46m

Baltimore/Washington

dom. 4/27

5:08 pm-12:04 am

1 stop7h 56m

$202

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

vie. 4/25

12:51 pm-8:00 pm

1 stop6h 09m

Baltimore/Washington

lun. 4/28

6:50 pm-11:36 pm

1 stop5h 46m

$207

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

mié. 4/23

1:12 pm-9:01 pm

1 stop6h 49m

Washington, D.C. Dulles Intl

sáb. 4/26

8:35 am-9:58 am

Nonstop2h 23m

$207

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

mié. 4/23

8:15 am-2:20 pm

1 stop5h 05m

Washington, D.C. Reagan-National

sáb. 4/26

12:35 pm-1:50 pm

Nonstop2h 15m

$207

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

mar. 5/13

5:45 pm-3:35 pm

1 stop20h 50m

Baltimore/Washington

dom. 5/18

9:16 pm-12:06 am

1 stop27h 50m

$208

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

mié. 4/23

5:41 pm-4:35 pm

1 stop21h 54m

Washington, D.C. Dulles Intl

sáb. 4/26

5:35 pm-12:04 am

1 stop7h 29m

$208

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

sáb. 4/26

7:10 am-2:59 pm

1 stop6h 49m

Washington, D.C. Reagan-National

mié. 4/30

6:00 am-9:28 am

1 stop4h 28m

$217

St. LouisWashington, D.C.

STL - IAD

STLIAD

Lambert-St Louis

sáb. 4/26

6:50 am-11:31 am

1 stop3h 41m

Washington, D.C. Dulles Intl

lun. 4/28

7:46 pm-11:36 pm

1 stop4h 50m

$217

St. LouisWashington, D.C.

STL - DCA

STLDCA

Lambert-St Louis

mié. 4/23

5:45 am-2:20 pm

1 stop7h 35m

Washington, D.C. Reagan-National

jue. 4/24

8:22 am-9:52 am

Nonstop2h 30m

$220

Flights are sorted by cheapest round-trip flights first.

Deals found on 3/27

Showing 1-10 of 53 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 marzo 28, 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 marzo 28, 2025.
Peruse reviews from past customers who have flown with Southwest, Alaska Airlines and Delta 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.
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Southwest
8.1
Very good
4,274 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Alaska Airlines
8.0
Very good
9,798 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
Delta
8.0
Very good
7,897 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
United Airlines
7.4
Good
8,603 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.
American Airlines
7.2
Good
10,000 reviews
Southwest
8.1
Very good
4,274 reviews

Boarding

8.2

Comfort

8.1

Food

7.1

Entertainment

7.6

Overall

8.1

Crew

8.7

Reviews

1 / 20
8.0
Excellent

Ila,Mar 2025

HOU - DAL

Our original flight was delayed. We were able to change our flight and got home at close to the same time. Looking forward to when you have assigned seating.

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?

    The Lambert-St Louis to Maryland flight path was viewed by 9 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • 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 ($78), Southwest ($89), and United Airlines ($90).

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

    Most travelers choose Lambert-St Louis - Washington, D.C. Dulles Intl, Lambert-St Louis - Philadelphia or Lambert-St Louis - Washington, D.C. Reagan-National when deciding on the best route from St. Louis to Maryland.

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

    On average you can expect to pay $292 for a flight from St. Louis to Maryland. The cheapest flight overall is $88 while the most popular route, (Lambert-St Louis - Washington, D.C. Dulles Intl) is currently priced at $187.

  • 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.
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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 marzo 28, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$163FlexibilityNo cancel feeOn-time62%
DeltaCheapest$186Average$347FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$197Average$382FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$200Average$483FlexibilityNo cancel feeOn-time71%
United AirlinesCheapest$232Average$354FlexibilityNo cancel feeOn-time69%
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