Cheap flights from Baltimore to St. Louis (BWI - STL) from $55

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 4/11. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
BWI — STL
Mar 23 — Mar 301

The best prices from Baltimore/Washington to Lambert-St Louis are usually found in April or January, booked 47 days in advance, depart on a Wednesday or Tuesday and return on a Monday

Cheap flight deals from Baltimore to St. Louis

Discover tips and strategies to find the most affordable flight options for your journey from Baltimore (BWI) to St. Louis (STL). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated March 19, 2024.

Popular in

June

Cheapest in

April

Round-trip from

$323

One-way from

$140
High demand for flights, 26% potential price rise
Best time to find cheap flights, 15% potential price drop
From Baltimore/Washington to Lambert-St Louis
One-way flight from Baltimore/Washington to Lambert-St Louis

What is the cheapest day to fly round-trip from Baltimore to St. Louis?

Users have found that leaving on a Tuesday can be a cost-effective option. It’s possible to save up to 69% on your flight compared to booking on days when demand is much higher.

How far in advance should I book a flight from Baltimore to St. Louis?

To save on the cost of your flight from Baltimore to St. Louis, book at least 51 days before your planned departure. Booking around this time can save you about 87% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $391 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $462.

What is the cheapest month to fly from Baltimore to St. Louis?

February is one of the best times of the year to fly to St. Louis from Baltimore. Prices for February average $348 per person but you can even find prices for as low as $191. The most expensive prices can be found in the month of June. Opting for a February flight can save you 12% on your journey compared to booking in June

When is the cheapest time to fly from Baltimore to St. Louis (BWI - STL)?

One of the essential ways to save on airfare from Baltimore to St. Louis is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 40% on airfare.

Cheap Frontier flights from Baltimore to St. Louis

Explore cheap flight options specifically provided by Frontier for the route between Baltimore and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Find some of the cheapest Frontier flights traveling from Baltimore to St. Louis. It's recommended that users confirm their flight details before booking.
Thu 4/119:17 pmBWI - STL
1 stop10h 56mFrontier
Mon 4/159:11 pmSTL - BWI
1 stop22h 16mFrontier
Deal found 3/17$99
Thu 4/119:17 pmBWI - STL
1 stop10h 56mFrontier
Tue 4/167:16 pmSTL - BWI
1 stop18h 40mFrontier
Deal found 3/17$107
Thu 4/119:17 pmBWI - STL
1 stop10h 56mFrontier
Sun 4/147:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/18$108
Fri 4/1212:29 pmBWI - STL
1 stop22h 18mFrontier
Mon 4/159:11 pmSTL - BWI
1 stop22h 16mFrontier
Deal found 3/17$109
Wed 4/1012:29 pmBWI - STL
1 stop22h 49mFrontier
Fri 4/127:16 pmSTL - BWI
1 stop18h 40mFrontier
Deal found 3/18$110
Fri 4/1212:29 pmBWI - STL
1 stop22h 18mFrontier
Sun 4/147:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/18$120
Fri 4/1212:29 pmBWI - STL
1 stop22h 18mFrontier
Sun 4/147:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/17$122
Tue 4/99:49 pmBWI - STL
1 stop24h 04mFrontier
Sun 4/147:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/17$123
Fri 5/38:50 pmBWI - STL
1 stop24h 42mFrontier
Sun 5/57:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/16$127

Cheap Spirit Airlines flights from Baltimore to St. Louis

Explore cheap flight options specifically provided by Spirit Airlines for the route between Baltimore and St. Louis. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
To aid your search, here are some of the cheapest Spirit Airlines flights we've found from Baltimore to St. Louis. Check back soon if you're not seeing flights that suit your needs.
Sat 4/2710:00 amBWI - STL
1 stop8h 34mSpirit Airlines
Tue 4/302:35 pmSTL - BWI
1 stop5h 50mSpirit Airlines
Deal found 3/17$162
Sat 4/65:15 amBWI - STL
1 stop6h 28mSpirit Airlines
Mon 4/85:35 pmSTL - BWI
1 stop5h 44mSpirit Airlines
Deal found 3/16$173
Sat 4/65:15 amBWI - STL
1 stop6h 28mSpirit Airlines
Mon 4/85:35 pmSTL - BWI
1 stop5h 44mSpirit Airlines
Deal found 3/17$178
Sat 4/65:15 amBWI - STL
1 stop6h 28mSpirit Airlines
Mon 4/85:35 pmSTL - BWI
1 stop5h 44mSpirit Airlines
Deal found 3/18$181
Wed 4/106:06 pmBWI - STL
1 stop25h 34mSpirit Airlines
Sat 4/1311:39 amSTL - BWI
1 stop5h 51mSpirit Airlines
Deal found 3/17$184
Tue 4/26:00 pmBWI - STL
1 stop27h 13mSpirit Airlines
Tue 4/92:25 pmSTL - BWI
1 stop17h 13mSpirit Airlines
Deal found 3/16$191
Tue 4/98:55 amBWI - STL
1 stop5h 45mSpirit Airlines
Thu 4/186:24 pmSTL - BWI
1 stop13h 14mSpirit Airlines
Deal found 3/17$192
Wed 4/106:26 amBWI - STL
3 stops36h 08mSpirit Airlines
Sat 4/1311:39 amSTL - BWI
1 stop5h 51mSpirit Airlines
Deal found 3/17$196
Mon 4/86:00 amBWI - STL
2 stops32h 40mSpirit Airlines
Sat 4/1311:39 amSTL - BWI
1 stop5h 51mSpirit Airlines
Deal found 3/17$197

Cheap Baltimore to St. Louis flights in March & April 2024

Find cheap flight options from Baltimore to St. Louis specifically for the months of March and April 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Prices were last updated on March 19, 2024.
The lowest fares we've come across on flights traveling from Baltimore to St. Louis in March and April 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 4/119:17 pmBWI - STL
1 stop10h 56mFrontier
Mon 4/159:11 pmSTL - BWI
1 stop22h 16mFrontier
Deal found 3/17$99
Thu 4/119:17 pmBWI - STL
1 stop10h 56mFrontier
Tue 4/167:16 pmSTL - BWI
1 stop18h 40mFrontier
Deal found 3/17$107
Thu 4/119:17 pmBWI - STL
1 stop10h 56mFrontier
Sun 4/147:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/18$108
Fri 4/1212:29 pmBWI - STL
1 stop22h 18mFrontier
Mon 4/159:11 pmSTL - BWI
1 stop22h 16mFrontier
Deal found 3/17$109
Wed 4/1012:29 pmBWI - STL
1 stop22h 49mFrontier
Fri 4/127:16 pmSTL - BWI
1 stop18h 40mFrontier
Deal found 3/18$110
Fri 4/1212:29 pmBWI - STL
1 stop22h 18mFrontier
Sun 4/147:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/18$120
Fri 4/1212:29 pmBWI - STL
1 stop22h 18mFrontier
Sun 4/147:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/17$122
Tue 4/99:49 pmBWI - STL
1 stop24h 04mFrontier
Sun 4/147:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/17$123
Tue 4/99:49 pmBWI - STL
1 stop24h 04mMultiple Airlines
Sat 4/1311:39 amSTL - BWI
1 stop5h 51mMultiple Airlines
Deal found 3/17$134

Baltimore to St. Louis 2024 flight deals

Discover exclusive flight deals for travel between Baltimore and St. Louis in 2024. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
The lowest fares we've come across on flights traveling from Baltimore to St. Louis in March and April 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Thu 4/119:17 pmBWI - STL
1 stop10h 56mFrontier
Mon 4/159:11 pmSTL - BWI
1 stop22h 16mFrontier
Deal found 3/17$99
Thu 4/119:17 pmBWI - STL
1 stop10h 56mFrontier
Tue 4/167:16 pmSTL - BWI
1 stop18h 40mFrontier
Deal found 3/17$107
Thu 4/119:17 pmBWI - STL
1 stop10h 56mFrontier
Sun 4/147:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/18$108
Fri 4/1212:29 pmBWI - STL
1 stop22h 18mFrontier
Mon 4/159:11 pmSTL - BWI
1 stop22h 16mFrontier
Deal found 3/17$109
Wed 4/1012:29 pmBWI - STL
1 stop22h 49mFrontier
Fri 4/127:16 pmSTL - BWI
1 stop18h 40mFrontier
Deal found 3/18$110
Fri 4/1212:29 pmBWI - STL
1 stop22h 18mFrontier
Sun 4/147:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/18$120
Fri 4/1212:29 pmBWI - STL
1 stop22h 18mFrontier
Sun 4/147:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/17$122
Tue 4/99:49 pmBWI - STL
1 stop24h 04mFrontier
Sun 4/147:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/17$123
Fri 5/38:50 pmBWI - STL
1 stop24h 42mFrontier
Sun 5/57:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 3/16$127

Non-stop flights to St. Louis from Baltimore

Discover non-stop flight options from Baltimore to St. Louis. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
To help reduce your travel time, choose from one of these non-stop flights from Baltimore to St. Louis. Search for alternative flights from Baltimore to St. Louis by utilizing the search form above.
Wed 4/36:30 amBWI - STL
Nonstop2h 20mSouthwest
Thu 4/48:00 pmSTL - BWI
Nonstop1h 55mSouthwest
Deal found 3/17$395

Baltimore to St. Louis flights leaving soon

Find last-minute flight options from Baltimore to St. Louis for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Consider one of these great deals we found on last-minute flights from Baltimore to St. Louis. Users should examine the flight details to ensure there are no surprises.
Wed 3/278:19 amBWI - STL
1 stop25h 02mFrontier
Tue 4/304:50 pmSTL - BWI
1 stop17h 39mFrontier
Deal found 3/18$267
Wed 3/276:45 amBWI - STL
2 stops14h 28mMultiple Airlines
Sun 3/318:24 pmSTL - BWI
1 stop10h 05mMultiple Airlines
Deal found 3/18$357
Wed 3/278:19 amBWI - STL
1 stop12h 54mMultiple Airlines
Sun 3/318:24 pmSTL - BWI
1 stop10h 05mMultiple Airlines
Deal found 3/18$363
Wed 3/276:26 amBWI - STL
2 stops26h 55mMultiple Airlines
Sat 3/3011:39 amSTL - BWI
1 stop9h 41mMultiple Airlines
Deal found 3/17$382
Wed 3/278:19 amBWI - STL
1 stop12h 54mMultiple Airlines
Sat 3/3011:39 amSTL - BWI
1 stop9h 41mMultiple Airlines
Deal found 3/17$389
Wed 3/276:45 amBWI - STL
2 stops14h 28mMultiple Airlines
Sat 3/307:53 amSTL - BWI
1 stop9h 27mMultiple Airlines
Deal found 3/18$394
Thu 3/285:15 amBWI - STL
1 stop14h 35mMultiple Airlines
Sat 3/307:53 amSTL - BWI
2 stops15h 02mMultiple Airlines
Deal found 3/16$402
Wed 3/278:55 amBWI - STL
1 stop12h 18mSpirit Airlines
Sat 3/3011:39 amSTL - BWI
1 stop5h 41mSpirit Airlines
Deal found 3/18$415
Thu 3/285:00 amBWI - STL
1 stop4h 27mAmerican Airlines
Sat 3/303:29 pmSTL - BWI
1 stop5h 17mAmerican Airlines
Deal found 3/16$431

One-way flights to St. Louis from Baltimore

Search for one-way flight options from Baltimore to St. Louis. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 3,145,932 searches. Data last updated March 19, 2024.
Users traveling one-way from Baltimore to St. Louis can select one of these great deals. Those needing a return flight from Baltimore to St. Louis can use the search form above.
Thu 4/119:17 pmBWI - STL
1 stop10h 56mFrontier
Deal found 3/18$55
Sat 5/186:38 pmBWI - STL
1 stop21h 15mFrontier
Deal found 3/18$59
Mon 5/205:25 pmBWI - STL
1 stop14h 37mMultiple Airlines
Deal found 3/17$77
Mon 5/2010:40 amBWI - STL
1 stop21h 22mMultiple Airlines
Deal found 3/17$80
Sat 4/65:15 amBWI - STL
1 stop6h 28mSpirit Airlines
Deal found 3/17$88
Wed 4/1712:29 pmBWI - STL
1 stop22h 49mFrontier
Deal found 3/18$91
Thu 4/46:17 pmBWI - STL
1 stop16h 50mSpirit Airlines
Deal found 3/17$92
Tue 4/161:02 pmBWI - STL
2 stops21h 45mFrontier
Deal found 3/18$95
Tue 5/146:10 amBWI - STL
1 stop8h 27mSpirit Airlines
Deal found 3/18$96

Find flights from Baltimore to St. Louis within your budget

Customize your flight search to find flights from Baltimore 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 3,145,932 searches. Data last updated March 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$99 - $256

Route

Depart

Return

Price

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Thu 4/11

1 stop10h 56m

Lambert-St Louis

Mon 4/15

1 stop22h 16m

$99

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Thu 4/11

1 stop10h 56m

Lambert-St Louis

Tue 4/16

1 stop18h 40m

$107

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Thu 4/11

1 stop10h 56m

Lambert-St Louis

Sun 4/14

1 stop11h 02m

$108

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Fri 4/12

1 stop22h 18m

Lambert-St Louis

Mon 4/15

1 stop22h 16m

$109

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Wed 4/10

1 stop22h 49m

Lambert-St Louis

Fri 4/12

1 stop18h 40m

$110

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Tue 4/9

1 stop24h 04m

Lambert-St Louis

Sat 4/13

1 stop5h 51m

$134

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Mon 4/8

1 stop17h 37m

Lambert-St Louis

Sat 4/13

1 stop12h 13m

$159

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Sat 4/27

1 stop8h 34m

Lambert-St Louis

Tue 4/30

1 stop5h 50m

$162

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Thu 5/30

1 stop9h 37m

Lambert-St Louis

Tue 6/11

1 stop6h 59m

$256

Flights are sorted by cheapest first

Deals found on 3/17

When is the best time to book a flight from Baltimore to St. Louis?

Use this chart to determine the optimal time to book a round-trip flight from Baltimore to St. Louis. Price data was last updated on January 28, 2024.
To ensure you get the cheapest price possible for a flight from Baltimore to St. Louis, you should look to book at least 37 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.
Search Deals

When is the cheapest time to fly from Baltimore to St. Louis?

Use this chart to determine the cheapest time to fly round-trip from Baltimore to St. Louis. Price data was last updated on March 10, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Baltimore to St. Louis flight should consider departing on Thursday evenings 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.
Search Deals

Average price of flights to St. Louis by month

Plan your trip from Baltimore to St. Louis by taking into account the cheapest months to travel. The average price of a one-way flight from Baltimore to St. Louis is currently $81 while a round-trip flight costs $138. Price data was last updated on March 10, 2024.

Currently, September is the cheapest month in which you can book a flight from Baltimore to St. Louis (average of $323). Flying from Baltimore to St. Louis in June is currently the most expensive (average of $386). 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.

January

$326

February

$331

March

$358

April

$356

May

$358

June

$386

July

$382

August

$336

September

$323

October

$323

November

$336

December

$326

Temperature and rainfall in St. Louis by month

Plan your trip to St. Louis by taking into account the average temperature and rainfall totals by month.

STL

Temperature

32 - 80.6 °F

Reviews of airlines servicing St. Louis

Get insights into the airlines that provide service to St. Louis. 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 St. Louis. Reviews last updated March 19, 2024.
See what other customers who have flown with Frontier, Spirit Airlines and American Airlines from Baltimore to St. Louis have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,382 reviews

Overall

8.2

Food

7.4

Boarding

8.3

Comfort

8.1

Crew

8.8

Entertainment

7.9

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Southwest
8.2
Very good
6,382 reviews
Southwest
8.2
Very good
6,382 reviews

Overall

8.2

Food

7.4

Boarding

8.3

Comfort

8.1

Crew

8.8

Entertainment

7.9

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

8.1
Very good
11,551 reviews
Southwest
8.2
Very good
6,382 reviews

Overall

8.2

Food

7.4

Boarding

8.3

Comfort

8.1

Crew

8.8

Entertainment

7.9

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.4
Good
11,618 reviews
Southwest
8.2
Very good
6,382 reviews

Overall

8.2

Food

7.4

Boarding

8.3

Comfort

8.1

Crew

8.8

Entertainment

7.9

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

7.3
Good
15,312 reviews
Southwest
8.2
Very good
6,382 reviews

Overall

8.2

Food

7.4

Boarding

8.3

Comfort

8.1

Crew

8.8

Entertainment

7.9

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

6.5
Okay
8,875 reviews
Southwest
8.2
Very good
6,382 reviews

Overall

8.2

Food

7.4

Boarding

8.3

Comfort

8.1

Crew

8.8

Entertainment

7.9

Reviews

1 / 10

No tray tables for food or drink not convenient nor comfortable

Related info for your journey

Find useful and relevant information for your journey from Baltimore 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 airports do I use to fly from Baltimore to St. Louis?

    Lambert-St Louis is the airport most travelers will use when flying to St. Louis from Baltimore/Washington. Booking flights from Baltimore/Washington (BWI) to Lambert-St Louis (STL) should be relatively easy as there are 4 daily flights to St. Louis from 6 different airlines. 2h 20m is how long a flight from Baltimore to Lambert-St Louis will take if you book a nonstop flight.

  • Can I find flights from Baltimore to St. Louis for under $100 on Cheapflights?

    Yes, there are multiple flights from Baltimore to St. Louis for under $100. The cheapest flight booked recently is on Frontier for just $99, but on average you can expect to pay $129.

  • Are there nonstop flights from Baltimore to St. Louis for under $400 on Cheapflights?

    Cheapflights has at least 1 direct flight from Baltimore to St. Louis under $400. A good price for a nonstop flight from Baltimore to St. Louis is less than $395.

  • Are there last-minute flights available from Baltimore to St. Louis for under $300?

    There are currently 20+ open flights from Baltimore to St. Louis within the next 7 days for less than $300.

  • What days are nonstop flights available from Baltimore to St. Louis?

    Days when nonstop flights are available for this flight are: Saturday.

  • How many flights depart from Baltimore to St. Louis on average per day?

    On average 1 flight departs from Baltimore to St. Louis per day.
    Evening (6pm - Midnight) - 100% of flight departures

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

    For as low as $99, Frontier can have you in St. Louis from Baltimore in 8h 34m. Airlines will cover a distance of 739 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 flying from Baltimore to St. Louis round-trip?

    Flying on Frontier is currently your cheapest option to St. Louis, with prices starting at $99. Another option worth looking into is Spirit Airlines, starting at $162 round trip. Users have found that Frontier is 73% cheaper than the other options available to this destination.

  • What are the most popular airlines that fly from Baltimore to St. Louis?

  • What does BWI to STL mean?

    BWI stands for Baltimore/Washington Airport, while STL stands for Lambert-St Louis Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 5 airlines flying from Baltimore to St. Louis

Discover the top 5 airlines that operate flights from Baltimore 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 3,145,932 searches. Data last updated March 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$97Average$182FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
FrontierCheapest$98Average$185FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$173Average$341FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$221Average$486FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$244Average$369FlexibilityNo cancel feeOn-timeN/A
Search Delta flights

Search flights from Baltimore to St. Louis by cabin class

Find flights from Baltimore to St. Louis, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Hourly flight availability from Baltimore to St. Louis

Find hourly flight availability from Baltimore 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 March 19, 2024.
28%of flight departuresEarly morningMidnight to 6 am
23%of flight departuresMorning6 am to noon
22%of flight departuresAfternoonNoon to 6 pm
27%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Baltimore to St. Louis

Explore weekly flight availability from Baltimore to St. Louis. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated March 19, 2024.
Sunday5daily flights
Monday4daily flights
Tuesday4daily flights
Wednesday4daily flights
Thursday4daily flights
Friday4daily flights
Saturday5daily flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Baltimore to St. Louis?

Cheapflights helps you search for flights from Baltimore to St. Louis via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

Why should you use Cheapflights to find cheap flight tickets from Baltimore to St. Louis?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from Baltimore to St. Louis for you. Better yet — we are completely free to use.

Can Cheapflights find flights from Baltimore to St. Louis with no change fees?

Yes, we can. To see specific flights from Baltimore to St. Louis with no change fees, users can toggle flexible booking options after using the search form above to find flights.

Can Cheapflights notify me if prices for flights from Baltimore to St. Louis become cheaper?

Yes, Cheapflights offers price alerts on Baltimore to St. Louis flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

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