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$52+ Cheap flights from Missouri to Baltimore (BWI)

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 2/2. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BWI
Jan 3 — Jan 101
Sat 1/3
Sat 1/10
1 adult, Economy
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Cheap flight deals from Missouri to Baltimore

Cheapest flights from Missouri to Baltimore
Explore the most affordable flight options available from Missouri to Baltimore. Find the lowest fares from popular airlines and budget airlines, with prices last updated on December 4, 2025.

This Frontier deal was found by Cheapflights users on 12/2. 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.
Wed 12/2411:33 amMCI - BWI
1 stop11h 56mFrontier
Wed 12/315:30 amBWI - MCI
1 stop5h 38mFrontier
Deal found 12/2$164
This Booking.com deal was found by Cheapflights users on 12/4. 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.
Tue 12/163:30 pmSTL - BWI
1 stop17h 51mFrontier
Sat 1/108:09 pmBWI - STL
1 stop13h 31mFrontier
Deal found 12/4$174
This Booking.com deal was found by Cheapflights users on 12/3. 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.
Wed 12/314:27 pmSTL - BWI
1 stop13h 55mFrontier
Wed 1/78:00 amBWI - STL
1 stop15h 33mFrontier
Deal found 12/3$181
This Frontier deal was found by Cheapflights users on 12/2. 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.
Wed 12/2411:33 amMCI - BWI
1 stop11h 56mFrontier
Mon 12/295:30 amBWI - MCI
1 stop5h 38mFrontier
Deal found 12/2$188
This Kiwi.com deal was found by Cheapflights users on 12/4. 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 12/2510:42 amSTL - BWI
1 stop12h 52mFrontier
Thu 1/15:30 amBWI - STL
1 stop5h 10mFrontier
Deal found 12/4$191
This Mytrip deal was found by Cheapflights users on 12/3. 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.
Mon 12/224:27 pmSTL - BWI
1 stop13h 55mFrontier
Mon 12/2910:00 pmBWI - STL
1 stop25h 33mFrontier
Deal found 12/3$192
This Travelocity deal was found by Cheapflights users on 12/4. 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 Travelocity is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/2411:33 amMCI - BWI
1 stop11h 56mMultiple Airlines
Tue 12/3010:40 amBWI - MCI
1 stop13h 19mMultiple Airlines
Deal found 12/4$203
This Frontier deal was found by Cheapflights users on 12/4. 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.
Thu 12/1112:04 pmSTL - BWI
1 stop11h 20mFrontier
Mon 12/155:40 amBWI - STL
1 stop5h 12mFrontier
Deal found 12/4$204
This Mytrip deal was found by Cheapflights users on 12/2. 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.
Fri 12/198:37 pmSTL - BWI
1 stop9h 45mFrontier
Mon 12/2210:00 pmBWI - STL
1 stop25h 33mFrontier
Deal found 12/2$206
This Priceline deal was found by Cheapflights users on 12/4. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/129:54 amSTL - BWI
1 stop9h 22mFrontier
Mon 12/155:40 amBWI - STL
1 stop5h 12mFrontier
Deal found 12/4$208
This Priceline deal was found by Cheapflights users on 12/3. 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 Priceline is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/183:47 pmMCI - BWI
1 stop7h 02mMultiple Airlines
Mon 1/55:30 amBWI - MCI
1 stop5h 38mMultiple Airlines
Deal found 12/3$212
This Booking.com deal was found by Cheapflights users on 12/4. 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.
Fri 12/129:54 amSTL - BWI
1 stop9h 22mFrontier
Sat 12/138:37 amBWI - STL
1 stop14h 56mFrontier
Deal found 12/4$220

Find flight deals from Missouri to Baltimore

Keep the following information in mind while searching for Missouri to Baltimore flight deals. Data was last updated December 4, 2025.

Most accurate provider

Gotogate
3 stars

Most trusted provider

Gotogate
3 stars

Round-trip from

$128
(Frontier)

One-way from

$52
(Trip.com)

Popular in

March

Cheapest in

August

Average price

$334
Provider with most accurate pricing for Lambert-St Louis-Washington, D.C. (WAS) flight deals.
Search Deals
Provider most trusted by Cheapflights users for Lambert-St Louis-Washington, D.C. (WAS) flights.
Search Deals
From Missouri to Baltimore/Washington
Search Deals
One-way flight from Missouri to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($32 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($8 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customize your flight search to find flights from Missouri to Baltimore 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 December 4, 2025.
Use the filters below to find and compare flights from Missouri to Baltimore that are best for you.

Fly from

Missouri

Fly to

Baltimore

Route

Depart

Return

Price

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Sun 1/25

5:42 pm-10:26 am

2 stops15h 44m

Baltimore/Washington

Fri 1/30

4:01 pm-11:33 pm

1 stop8h 32m

$184

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Thu 1/8

3:43 pm-12:29 am

1 stop7h 46m

Baltimore/Washington

Sun 1/11

5:45 am-2:48 pm

1 stop10h 03m

$197

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Wed 2/25

5:46 pm-8:15 pm

2 stops25h 29m

Baltimore/Washington

Sun 3/1

4:38 pm-10:30 am

1 stop18h 52m

$204

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Thu 1/29

5:42 pm-11:17 am

1 stop16h 35m

Baltimore/Washington

Sun 2/1

4:44 pm-6:51 am

2 stops15h 07m

$206

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Tue 2/10

2:00 pm-5:20 pm

Nonstop2h 20m

Baltimore/Washington

Thu 2/12

7:35 am-12:30 pm

1 stop5h 55m

$248

SpringfieldBaltimore

SGF - BWI

SGFBWI

Springfield-Branson

Thu 4/30

6:45 pm-12:15 am

1 stop4h 30m

Baltimore/Washington

Tue 5/5

6:00 am-11:07 am

1 stop6h 07m

$259

SpringfieldBaltimore

SGF - BWI

SGFBWI

Springfield-Branson

Thu 1/29

3:00 pm-10:25 pm

1 stop6h 25m

Baltimore/Washington

Sun 2/1

10:05 am-2:38 pm

1 stop5h 33m

$259

SpringfieldBaltimore

SGF - BWI

SGFBWI

Springfield-Branson

Sun 3/1

5:11 pm-12:37 am

1 stop6h 26m

Baltimore/Washington

Sat 3/7

8:20 am-12:09 pm

1 stop4h 49m

$259

SpringfieldBaltimore

SGF - BWI

SGFBWI

Springfield-Branson

Thu 5/7

6:45 pm-12:15 am

1 stop4h 30m

Baltimore/Washington

Tue 5/12

6:00 am-11:07 am

1 stop6h 07m

$259

KirksvilleBaltimore

IRK - BWI

IRKBWI

Kirksville Cannon Memorial

Wed 12/31

9:30 am-11:49 pm

2 stops13h 19m

Baltimore/Washington

Wed 1/7

8:38 pm-11:05 am

1 stop15h 27m

$260

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/2

Showing 1-10 of 60 results
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Best time to book a flight from Missouri to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from Missouri 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 Missouri to Baltimore

What is the cheapest month to book a flight from Missouri to Baltimore?

Currently, November is the cheapest month in which you can book a flight from Missouri to Baltimore (average of $87). Flying from Missouri to Baltimore in June is currently the most expensive (average of $198). 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 MO to BWI?

Find hourly flight availability from Missouri to Baltimore. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 4, 2025.

A simple way to save on the total cost of your ticket is to fly from Missouri to Baltimore in the evening. If you’re flexible enough to do this you can expect to save up to 20% on your trip compared to booking a flight in the afternoon.

What is the cheapest day to fly from Missouri to Baltimore?

Use this chart to determine the cheapest time to fly round-trip from Missouri to Baltimore. Price data was last updated on December 16, 2024.

Travelers seeking maximum savings on their Missouri to Baltimore flight should consider departing on Thursday mornings when fares are most often at their lowest. Friday at noon 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 Missouri to Baltimore. 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 Baltimore from Missouri?

    Baltimore/Washington (BWI), located 8.5 mi from the city center, is the airport you fly into when you book flights from Missouri to Baltimore.

  • How popular is this Missouri to Baltimore flight route?

    Within the past month, 34 users have taken a look at flights from Missouri to Baltimore/Washington.

  • How long is the flight from Missouri to Baltimore?

    For as low as $248, Frontier can have you in Baltimore from Missouri in 2h 20m. The distance from Missouri to Baltimore is about 964 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • What are the most popular routes from Missouri to Baltimore?

    When deciding which route to take from Missouri to Baltimore consider Lambert-St Louis - Baltimore/Washington, Kansas City - Baltimore/Washington or Columbia Regional - Baltimore/Washington as they are the most popular.

  • What are the cheapest flights from Missouri to Baltimore?

    The cheapest flight price from Missouri to Baltimore is $214. On average you can expect to pay $394. The most popular route, (Lambert-St Louis - Baltimore/Washington), can usually be booked for $150.

  • Can I find deals for flights from Missouri to Baltimore that include hotel bookings?

    Yes. In addition to deals on Missouri to Baltimore flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Missouri to Baltimore?

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

  • Can I find deals for business class flights from Missouri to Baltimore?

    Yes. Cheapflights offers flight deals from Missouri to Baltimore 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 Missouri to Baltimore?

    Currently, November is the cheapest month in which you can book a flight from Missouri to Baltimore (average of $87). Flying from Missouri to Baltimore in June is currently the most expensive (average of $198). 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 Missouri to Baltimore

See prices for flight routes from nearby airports that may be better suited for you.
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Top 6 airlines flying from Missouri to Baltimore

Discover the top 6 airlines that operate flights from Missouri to Baltimore. 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 December 4, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$106Average$205FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$107Average$308FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$158Average$415FlexibilityNo cancel feeOn-time71%
DeltaCheapest$192Average$352FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$205Average$393FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$258Average$480FlexibilityNo cancel feeOn-time69%

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