Baltimore

$72+ 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 11/14. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BWI
Oct 15 — Oct 221
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Cheap flight deals from Missouri to Baltimore

Keep the following information in mind while searching for Missouri to Baltimore flight deals. Data was last updated September 15, 2025.

Round-trip from

$143
(Priceline)

One-way from

$72
(Priceline)

Popular in

March

Cheapest in

August

Average price

$345
From Missouri to Baltimore/Washington
One-way flight from Missouri to Baltimore/Washington
Highest demand for flights based on searches. 5% potential increase in price ($20 potential increase over avg. RT price).
Cheapest flight prices on average. 0% potential price decrease ($4 potential savings vs. average RT price).
Average for round-trip flights in September 2025

Find 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 September 15, 2025.

This Priceline deal was found by Cheapflights users on 9/15. 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 9/2510:49 amSTL - BWI
1 stop6h 04mFrontier
Mon 9/296:22 amBWI - STL
1 stop9h 42mFrontier
Deal found 9/15$143
This Booking.com deal was found by Cheapflights users on 9/13. 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.
Thu 10/237:52 pmSTL - BWI
1 stop20h 52mFrontier
Mon 10/276:29 pmBWI - STL
1 stop15h 38mFrontier
Deal found 9/13$145
This Frontier deal was found by Cheapflights users on 9/12. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/144:56 pmSTL - BWI
1 stop6h 17mFrontier
Sun 11/165:50 amBWI - STL
1 stop5h 22mFrontier
Deal found 9/12$149
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Wed 11/191:47 pmMCI - BWI
1 stop8h 10mUnited Airlines
Sun 11/236:15 amBWI - MCI
1 stop5h 25mUnited Airlines
Deal found 9/14$151
This United Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 10/309:58 amMCI - BWI
1 stop6h 16mUnited Airlines
Sat 11/16:15 amBWI - MCI
2 stops10h 50mUnited Airlines
Deal found 9/14$156
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 10/1412:51 pmSTL - BWI
1 stop6h 57mAmerican Airlines
Wed 10/156:13 pmBWI - STL
1 stop6h 41mAmerican Airlines
Deal found 9/14$158
This Kiwi.com deal was found by Cheapflights users on 9/13. 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 9/225:15 pmMCI - BWI
1 stop6h 02mFrontier
Thu 9/256:22 amBWI - MCI
1 stop10h 58mFrontier
Deal found 9/13$158
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Thu 11/205:00 amSTL - BWI
1 stop4h 58mAmerican Airlines
Sat 11/228:21 pmBWI - STL
1 stop4h 44mAmerican Airlines
Deal found 9/14$159
This American Airlines deal was found by Cheapflights users on 9/14. 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.
Tue 11/116:27 amMCI - BWI
1 stop6h 24mAmerican Airlines
Thu 11/138:21 pmBWI - MCI
1 stop4h 41mAmerican Airlines
Deal found 9/14$159
This Booking.com deal was found by Cheapflights users on 9/13. 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.
Sat 10/184:33 pmSTL - BWI
1 stop15h 01mFrontier
Mon 10/206:29 pmBWI - STL
1 stop15h 38mFrontier
Deal found 9/13$160
This Flightnetwork deal was found by Cheapflights users on 9/13. 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.
Mon 10/139:06 pmSTL - BWI
1 stop12h 14mFrontier
Mon 10/206:29 pmBWI - STL
1 stop15h 38mFrontier
Deal found 9/13$165
This Booking.com deal was found by Cheapflights users on 9/13. 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 9/191:57 pmSTL - BWI
1 stop24h 32mFrontier
Sun 9/216:22 amBWI - STL
1 stop9h 42mFrontier
Deal found 9/13$168

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 September 15, 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

Thu 10/23

7:52 pm-5:44 pm

1 stop20h 52m

Baltimore/Washington

Mon 10/27

6:29 pm-9:07 am

1 stop15h 38m

$145

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Wed 11/19

1:47 pm-10:57 pm

1 stop8h 10m

Baltimore/Washington

Sun 11/23

6:15 am-10:40 am

1 stop5h 25m

$151

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Thu 10/30

9:58 am-5:14 pm

1 stop6h 16m

Baltimore/Washington

Sat 11/1

6:15 am-4:05 pm

2 stops10h 50m

$156

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Thu 10/9

11:37 am-12:13 am

1 stop11h 36m

Baltimore/Washington

Mon 10/13

6:05 am-10:42 am

1 stop5h 37m

$180

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Sat 11/1

5:22 pm-11:02 pm

1 stop4h 40m

Baltimore/Washington

Sun 11/2

5:00 am-8:37 am

1 stop4h 37m

$197

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Thu 11/6

11:36 am-6:40 pm

1 stop6h 04m

Baltimore/Washington

Mon 11/10

7:27 pm-11:40 pm

1 stop5h 13m

$197

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Sun 10/12

6:05 pm-8:34 am

1 stop13h 29m

Baltimore/Washington

Thu 10/16

6:05 am-10:37 am

1 stop5h 32m

$204

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Fri 10/31

4:52 pm-12:18 am

1 stop6h 26m

Baltimore/Washington

Sun 11/2

4:30 pm-9:40 am

2 stops18h 10m

$204

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Mon 10/20

5:15 am-10:20 am

1 stop28h 05m

Baltimore/Washington

Wed 10/22

8:45 am-10:42 am

1 stop26h 57m

$211

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Fri 10/3

6:42 pm-12:28 am

1 stop4h 46m

Baltimore/Washington

Tue 10/7

7:05 am-10:26 am

1 stop4h 21m

$211

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/13

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, August is the cheapest month in which you can book a flight from Missouri to Baltimore (average of $241). Flying from Missouri to Baltimore 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 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 September 15, 2025.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Missouri to Baltimore as you normally would.

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?

  • How long is the flight from Missouri to Baltimore?

    For as low as $197, Frontier can have you in Baltimore from Missouri in 4h 40m. The distance from Missouri to Baltimore is about 736 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?

  • What are the cheapest flights from Missouri to Baltimore?

    The cheapest flight price from Missouri to Baltimore is $99. On average you can expect to pay $370. The most popular route, (Lambert-St Louis - Baltimore/Washington), can usually be booked for $153.

  • 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, August is the cheapest month in which you can book a flight from Missouri to Baltimore (average of $241). Flying from Missouri to Baltimore 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

Browse thousands of different options on Cheapflights for your next trip

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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.

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 September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$121Average$205FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$138Average$308FlexibilityNo cancel feeOn-time65%
DeltaCheapest$192Average$341FlexibilityNo cancel feeOn-timeN/A
American AirlinesCheapest$196Average$426FlexibilityNo cancel feeOn-time71%
SouthwestCheapest$200Average$390FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$258Average$481FlexibilityNo cancel feeOn-time69%

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