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$70+ 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 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
Tue 6/17
Tue 6/24
1 adult, Economy
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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 June 12, 2025.

Round-trip from

$140
(Mytrip)

One-way from

$70
(Mytrip)

Popular in

March

Cheapest in

November

Average price

$365
From Missouri to Baltimore/Washington
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One-way flight from Missouri to Baltimore/Washington
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($22 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($4 potential savings vs. average RT price).
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Average for round-trip flights in June 2025
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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 June 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.
Sun 7/66:36 pmSTL - BWI
1 stop11h 28mSpirit Airlines
Sat 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.
Wed 11/196:05 amSTL - BWI
Nonstop2h 00mSouthwest
Wed 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.
Wed 9/249:57 amSTL - BWI
1 stop6h 44mAmerican Airlines
Mon 9/296:14 amBWI - STL
1 stop4h 02mAmerican Airlines
Deal found 6/11$217
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.
Thu 11/137:05 amMCI - BWI
1 stop4h 20mSouthwest
Thu 11/135:45 pmBWI - MCI
1 stop6h 10mSouthwest
Deal found 6/10$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.
Sat 7/511:00 amSTL - BWI
1 stop4h 54mFrontier
Sat 7/127:20 amBWI - STL
1 stop7h 39mFrontier
Deal found 6/11$221
This FlightHub 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 9/147:39 pmMCI - BWI
1 stop10h 00mSpirit Airlines
Fri 9/195:42 pmBWI - MCI
1 stop24h 56mSpirit Airlines
Deal found 6/10$222
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.
Sat 6/282:52 pmSTL - BWI
1 stop8h 02mMultiple Airlines
Sun 6/292:08 pmBWI - STL
1 stop3h 56mMultiple Airlines
Deal found 6/9$236
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.
Thu 10/27:05 pmSTL - BWI
1 stop4h 07mDelta
Tue 10/77:00 amBWI - STL
1 stop6h 25mDelta
Deal found 6/10$241
This American Airlines 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 8/74:18 pmSGF - BWI
1 stop5h 46mAmerican Airlines
Mon 8/116:00 amBWI - SGF
1 stop5h 49mAmerican Airlines
Deal found 6/10$259
This CheapOair 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 6/278:01 pmMCI - BWI
1 stop19h 24mMultiple Airlines
Sun 6/292:08 pmBWI - MCI
1 stop5h 36mMultiple Airlines
Deal found 6/9$272
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.
Fri 12/56:42 pmMCI - BWI
1 stop4h 30mDelta
Mon 12/86:10 pmBWI - MCI
1 stop5h 11mDelta
Deal found 6/10$276
This Delta 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 7/226:56 pmSGF - BWI
1 stop4h 58mDelta
Wed 7/305:35 amBWI - SGF
1 stop6h 26mDelta
Deal found 6/9$279

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 June 12, 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 7/6

6:36 pm-7:04 am

1 stop11h 28m

Baltimore/Washington

Sat 7/26

10:11 pm-9:52 am

1 stop12h 41m

$140

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Wed 9/10

9:45 am-12:45 pm

Nonstop2h 00m

Baltimore/Washington

Wed 9/24

8:40 pm-9:55 pm

Nonstop2h 15m

$197

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Thu 11/13

7:05 am-12:25 pm

1 stop4h 20m

Baltimore/Washington

Thu 11/13

5:45 pm-10:55 pm

1 stop6h 10m

$217

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Sat 7/5

11:00 am-4:54 pm

1 stop4h 54m

Baltimore/Washington

Sat 7/12

7:20 am-1:59 pm

1 stop7h 39m

$221

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Sun 9/14

7:39 pm-6:39 am

1 stop10h 00m

Baltimore/Washington

Fri 9/19

5:42 pm-5:38 pm

1 stop24h 56m

$222

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Sat 8/16

1:01 pm-6:30 pm

1 stop4h 29m

Baltimore/Washington

Thu 8/21

7:45 pm-11:55 pm

1 stop5h 10m

$229

St. LouisBaltimore

STL - BWI

STLBWI

Lambert-St Louis

Sat 6/28

2:52 pm-11:54 pm

1 stop8h 02m

Baltimore/Washington

Sun 6/29

2:08 pm-5:04 pm

1 stop3h 56m

$236

SpringfieldBaltimore

SGF - BWI

SGFBWI

Springfield-Branson

Thu 8/7

4:18 pm-11:04 pm

1 stop5h 46m

Baltimore/Washington

Mon 8/11

6:00 am-10:49 am

1 stop5h 49m

$259

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Fri 6/27

8:01 pm-4:25 pm

1 stop19h 24m

Baltimore/Washington

Sun 6/29

2:08 pm-6:44 pm

1 stop5h 36m

$272

Kansas CityBaltimore

MCI - BWI

MCIBWI

Kansas City

Fri 12/5

6:42 pm-12:12 am

1 stop4h 30m

Baltimore/Washington

Mon 12/8

6:10 pm-10:21 pm

1 stop5h 11m

$276

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 36 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 June 12, 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.

Rainfall in Baltimore by month

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

In terms of precipitation, rainfall in Baltimore 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 Baltimore when rainfall is around 2.9 in.

Temperature in Baltimore by month

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

If weather is an important factor for your trip to Baltimore, 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 Baltimore

Get insights into the airlines that provide service to Baltimore. 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 Baltimore. Reviews last updated June 12, 2025.
See what other customers who have flown with Alaska Airlines, Southwest and Delta from Missouri to Baltimore have to say. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Overall

8.0

Food

7.1

Crew

8.5

Reviews

1 / 20
10.0
Excellent

James,Apr 2025

LAX - SFO

Good flight except the uncontrollable cold air from the ceiling.

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, 24 users have taken a look at flights from Missouri to Baltimore/Washington.

  • What are the cheapest airlines to fly from Missouri to Baltimore one-way?

    To fly one-way, consider booking your trip with Spirit Airlines, which is currently one of the cheapest options available, starting at $70. Southwest flights start at $99 while deals on American Airlines start at $108 one-way.

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

    When deciding which route to take from Missouri to Baltimore consider Kansas City - Baltimore/Washington, Lambert-St Louis - Baltimore/Washington or Springfield-Branson - 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 $147. On average you can expect to pay $353. The most popular route, (Kansas City - Baltimore/Washington), can usually be booked for $217.

  • 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

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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 June 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$120Average$217FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$138Average$310FlexibilityNo cancel feeOn-time65%
United AirlinesCheapest$163Average$389FlexibilityNo cancel feeOn-time69%
American AirlinesCheapest$166Average$421FlexibilityNo cancel feeOn-time71%
DeltaCheapest$176Average$338FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$197Average$387FlexibilityNo cancel feeOn-time63%

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