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St. Louis

$62+ 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 1/27. Fares are subject to change and may not be available on all flights or dates of travel.
BWI — STL
Feb 5 — Feb 121
Thu 2/5
Thu 2/12
1 adult, Economy
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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 January 6, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$128
(Expedia)

One-way from

$62
(Trip.com)

Popular in

January

Cheapest in

August

Average price

$459

Good round-trip deal

$406 or less

Good one-way deal

$306 or less
Provider with most accurate pricing for Washington, D.C. (WAS)-Lambert-St Louis flight deals.
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Provider most trusted by Cheapflights users for Washington, D.C. (WAS)-Lambert-St Louis flights.
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From Maryland to Lambert-St Louis
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One-way flight from Maryland to Lambert-St Louis
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Highest demand for flights based on searches. 16% potential increase in price ($67 potential increase over avg. RT price).
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Cheapest flight prices on average. 3% potential price decrease ($12 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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Price to beat on a round-trip flight from Maryland to Lambert-St Louis.
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Price to beat on a one-way flight from Maryland to Lambert-St Louis.
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Find flight deals from Maryland to St. Louis

Cheapest flights from Maryland to St. Louis
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 January 6, 2026.

This Expedia deal was found by Cheapflights users on 1/5. 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 Expedia is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 3/34:14 pmPHL - STL
1 stop7h 13mFrontier
Wed 3/45:18 pmSTL - PHL
1 stop22h 19mFrontier
Deal found 1/5$128
This CheapOair deal was found by Cheapflights users on 1/5. 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.
Tue 2/38:00 amBWI - STL
1 stop16h 33mFrontier
Sat 2/711:00 amSTL - BWI
1 stop6h 50mFrontier
Deal found 1/5$129
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/2711:30 amBWI - STL
1 stop13h 03mMultiple Airlines
Fri 1/3011:18 amSTL - BWI
1 stop10h 23mMultiple Airlines
Deal found 1/6$130
This Orbitz deal was found by Cheapflights users on 1/6. 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 Orbitz is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 2/310:35 amPHL - STL
1 stop13h 58mFrontier
Tue 2/103:49 pmSTL - PHL
1 stop19h 33mFrontier
Deal found 1/6$130
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/278:00 amBWI - STL
1 stop16h 33mFrontier
Tue 2/35:42 pmSTL - BWI
1 stop22h 28mFrontier
Deal found 1/5$133
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 2/28:35 pmPHL - STL
1 stop27h 58mFrontier
Mon 2/910:16 amSTL - PHL
1 stop11h 16mFrontier
Deal found 1/5$133
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/278:00 amBWI - STL
1 stop16h 33mFrontier
Fri 1/305:42 pmSTL - BWI
1 stop27h 59mFrontier
Deal found 1/5$135
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/278:00 amBWI - STL
1 stop16h 33mMultiple Airlines
Mon 2/25:42 pmSTL - BWI
1 stop28h 11mMultiple Airlines
Deal found 1/5$137
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 1/288:43 pmPHL - STL
1 stop27h 50mMultiple Airlines
Fri 1/3011:18 amSTL - PHL
1 stop10h 14mMultiple Airlines
Deal found 1/6$137
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 2/207:09 pmBWI - STL
1 stop14h 47mFrontier
Fri 2/273:49 pmSTL - BWI
1 stop16h 05mFrontier
Deal found 1/6$140
This Kiwi.com deal was found by Cheapflights users on 1/5. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 1/291:22 pmBWI - STL
1 stop11h 11mFrontier
Tue 2/35:42 pmSTL - BWI
1 stop22h 28mFrontier
Deal found 1/5$141
This Kiwi.com deal was found by Cheapflights users on 1/6. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 2/54:44 pmBWI - STL
1 stop7h 49mMultiple Airlines
Tue 2/103:49 pmSTL - BWI
1 stop26h 41mMultiple Airlines
Deal found 1/6$143

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 January 6, 2026.
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

Tue 1/27

11:30 am-11:33 pm

1 stop13h 03m

Lambert-St Louis

Fri 1/30

5:42 pm-10:41 pm

1 stop27h 59m

$142

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Mon 2/2

1:05 pm-11:33 pm

1 stop11h 28m

Lambert-St Louis

Sat 2/7

11:00 am-6:50 pm

1 stop6h 50m

$144

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Thu 1/29

1:22 pm-11:33 pm

1 stop11h 11m

Lambert-St Louis

Mon 2/2

8:22 pm-10:31 am

2 stops13h 09m

$168

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Mon 1/26

1:05 pm-11:33 pm

1 stop11h 28m

Lambert-St Louis

Fri 1/30

11:18 am-10:41 pm

1 stop10h 23m

$195

BaltimoreSt. Louis

BWI - STL

BWISTL

Baltimore/Washington

Sat 1/31

4:44 pm-11:33 pm

1 stop7h 49m

Lambert-St Louis

Sun 2/1

5:42 pm-11:17 am

1 stop16h 35m

$258

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Mon 2/9

5:26 pm-8:43 pm

1 stop4h 17m

Lambert-St Louis

Tue 2/10

1:00 pm-8:45 pm

1 stop6h 45m

$261

Washington, D.C.St. Louis

IAD - STL

IADSTL

Washington, D.C. Dulles Intl

Thu 2/19

8:15 am-2:29 pm

1 stop7h 14m

Lambert-St Louis

Mon 2/23

7:41 am-4:05 pm

1 stop7h 24m

$263

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Thu 2/5

7:40 am-9:24 am

Nonstop2h 44m

Lambert-St Louis

Sun 2/8

5:59 pm-9:10 pm

Nonstop2h 11m

$267

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Fri 2/6

9:00 am-1:45 pm

1 stop5h 45m

Lambert-St Louis

Tue 2/10

6:00 am-2:15 pm

2 stops7h 15m

$271

Washington, D.C.St. Louis

DCA - STL

DCASTL

Washington, D.C. Reagan-National

Sat 1/17

12:35 pm-2:05 pm

Nonstop2h 30m

Lambert-St Louis

Sun 1/18

1:05 pm-4:00 pm

Nonstop1h 55m

$271

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/6

Showing 1-10 of 60 results
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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, September is the cheapest month in which you can book a flight from Maryland to St. Louis (average of $109). Flying from Maryland to St. Louis in December is currently the most expensive (average of $273). 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 January 6, 2026.

When flying from Maryland to St. Louis, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 13% versus a flight in the afternoon.

What is the cheapest day to fly from Maryland to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Maryland to St. Louis. Price data was last updated on January 3, 2026.

Travelers seeking maximum savings on their Maryland to St. Louis flight should consider departing on Tuesday mornings when fares are most often at their lowest. Sunday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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.

  • What airport do you fly into for flights to St. Louis from Maryland?

    Most people fly into Lambert-St Louis (STL) if they book a flight to St. Louis from Maryland. Lambert-St Louis is conveniently located just 12.7 mi from St. Louis’s city center.

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

    Flights from Maryland to Lambert-St Louis have been viewed 17 times in the past calendar month.

  • How long is the flight from Maryland to St. Louis?

    For as low as $261, Frontier can have you in St. Louis from Maryland in 4h 17m. The distance from Maryland to St. Louis is about 694 mi. When browsing for deals, the options you’ll see will be for both nonstop flights and flights with stops.

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

    The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $52. However, be on the lookout for offers from American Airlines and Delta, as they are both options that can get you from Maryland to St. Louis for a low price.

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

    The most popular flight routes from Maryland to St. Louis are Washington, D.C. Dulles Intl - Lambert-St Louis, Baltimore/Washington - Lambert-St Louis and Washington, D.C. Reagan-National - Lambert-St Louis.

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

    On average you can expect to pay $482 for a flight from Maryland to St. Louis. The cheapest flight overall is $203 while the most popular route, (Washington, D.C. Dulles Intl - Lambert-St Louis) is currently priced at $173.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Maryland to St. Louis 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 Maryland to St. Louis?

    Currently, September is the cheapest month in which you can book a flight from Maryland to St. Louis (average of $109). Flying from Maryland to St. Louis in December is currently the most expensive (average of $273). 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

Traveling to a place near St. Louis?

Book flights to St. Louis if you plan to visit one of these locations
Edwardsville
O'Fallon
Swansea
Fairview Heights
Maryland Heights
Collinsville
Eureka
Glencoe
Chesterfield
Alton
Farmington
Festus

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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.
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Top 4 airlines flying from Maryland to St. Louis

Discover the top 4 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 January 6, 2026.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$117Average$173FlexibilityNo cancel feeOn-time62%
DeltaCheapest$130Average$212FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$178Average$375FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$197Average$375FlexibilityNo cancel feeOn-time63%

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