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 5/21. 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
May 3 — May 101

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 Thursday and return on a Thursday

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 April 28, 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 66% 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 54% 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 2,991,349 searches. Data last updated April 28, 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.
Sat 5/188:46 pmBWI - STL
1 stop11h 22mFrontier
Wed 5/229:10 pmSTL - BWI
1 stop10h 35mFrontier
Deal found 4/27$160
Thu 5/1610:00 pmBWI - STL
1 stop10h 08mFrontier
Sun 5/1911:22 pmSTL - BWI
1 stop11h 11mFrontier
Deal found 4/27$168
Sat 5/188:46 pmBWI - STL
1 stop11h 22mFrontier
Wed 5/229:10 pmSTL - BWI
1 stop10h 35mFrontier
Deal found 4/26$169
Mon 5/61:00 pmBWI - STL
1 stop27h 50mFrontier
Wed 5/89:53 pmSTL - BWI
1 stop21h 34mFrontier
Deal found 4/27$189
Mon 6/39:15 amBWI - STL
1 stop12h 05mFrontier
Sat 6/88:02 pmSTL - BWI
1 stop21h 03mFrontier
Deal found 4/28$193
Thu 6/68:13 pmBWI - STL
1 stop11h 55mFrontier
Wed 6/128:02 pmSTL - BWI
1 stop15h 32mFrontier
Deal found 4/27$197
Mon 6/31:44 pmBWI - STL
2 stops18h 24mFrontier
Sat 6/88:02 pmSTL - BWI
1 stop21h 03mFrontier
Deal found 4/28$198
Tue 6/48:28 pmBWI - STL
1 stop12h 00mFrontier
Sun 6/97:44 pmSTL - BWI
1 stop11h 04mFrontier
Deal found 4/28$203
Thu 5/1610:00 pmBWI - STL
1 stop10h 08mFrontier
Sun 5/197:44 pmSTL - BWI
1 stop10h 54mFrontier
Deal found 4/27$206

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 2,991,349 searches. Data last updated April 28, 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.
Mon 5/1310:12 pmBWI - STL
1 stop12h 27mSpirit Airlines
Tue 5/142:35 pmSTL - BWI
1 stop16h 40mSpirit Airlines
Deal found 4/27$111
Mon 5/137:43 pmBWI - STL
1 stop14h 56mSpirit Airlines
Tue 5/142:35 pmSTL - BWI
2 stops17h 07mSpirit Airlines
Deal found 4/27$130
Sat 5/116:30 amBWI - STL
2 stops10h 55mSpirit Airlines
Tue 5/142:35 pmSTL - BWI
1 stop16h 40mSpirit Airlines
Deal found 4/27$137
Mon 5/137:43 pmBWI - STL
1 stop14h 56mSpirit Airlines
Tue 5/142:35 pmSTL - BWI
3 stops31h 16mSpirit Airlines
Deal found 4/27$152
Sat 5/116:30 amBWI - STL
2 stops10h 55mSpirit Airlines
Tue 5/142:35 pmSTL - BWI
2 stops17h 07mSpirit Airlines
Deal found 4/27$156
Wed 5/2210:12 pmBWI - STL
1 stop20h 17mSpirit Airlines
Thu 5/307:30 pmSTL - BWI
1 stop23h 50mSpirit Airlines
Deal found 4/27$170
Sat 5/116:30 amBWI - STL
2 stops10h 55mSpirit Airlines
Tue 5/142:35 pmSTL - BWI
3 stops31h 16mSpirit Airlines
Deal found 4/27$178
Wed 5/810:12 pmBWI - STL
2 stops21h 28mSpirit Airlines
Sat 5/1111:39 amSTL - BWI
1 stop6h 03mSpirit Airlines
Deal found 4/27$181
Mon 5/135:25 pmBWI - STL
2 stops17h 14mSpirit Airlines
Tue 5/142:35 pmSTL - BWI
3 stops31h 16mSpirit Airlines
Deal found 4/27$187

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

Find cheap flight options from Baltimore to St. Louis specifically for the months of April and May 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,991,349 searches. Prices were last updated on April 28, 2024.
The lowest fares we've come across on flights traveling from Baltimore to St. Louis in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 5/1310:12 pmBWI - STL
1 stop12h 27mSpirit Airlines
Tue 5/142:35 pmSTL - BWI
1 stop16h 40mSpirit Airlines
Deal found 4/27$111
Thu 5/1610:00 pmBWI - STL
1 stop10h 08mFrontier
Mon 5/209:26 pmSTL - BWI
1 stop10h 04mFrontier
Deal found 4/26$124
Wed 5/812:29 pmBWI - STL
1 stop23h 09mMultiple Airlines
Sat 5/1111:39 amSTL - BWI
1 stop6h 03mMultiple Airlines
Deal found 4/26$126
Mon 5/137:43 pmBWI - STL
1 stop14h 56mSpirit Airlines
Tue 5/142:35 pmSTL - BWI
2 stops17h 07mSpirit Airlines
Deal found 4/27$130
Sat 5/188:46 pmBWI - STL
1 stop11h 22mFrontier
Wed 5/229:10 pmSTL - BWI
1 stop10h 35mFrontier
Deal found 4/26$138
Thu 5/1610:00 pmBWI - STL
1 stop10h 08mFrontier
Tue 5/2110:44 pmSTL - BWI
1 stop19h 58mFrontier
Deal found 4/25$147
Mon 5/68:08 amBWI - STL
1 stop13h 03mFrontier
Thu 5/97:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 4/26$148
Wed 5/810:12 pmBWI - STL
2 stops21h 28mSpirit Airlines
Sat 5/1111:39 amSTL - BWI
1 stop6h 03mSpirit Airlines
Deal found 4/26$151
Mon 5/137:43 pmBWI - STL
1 stop14h 56mSpirit Airlines
Tue 5/142:35 pmSTL - BWI
3 stops31h 16mSpirit Airlines
Deal found 4/27$152

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 2,991,349 searches. Data last updated April 28, 2024.
The lowest fares we've come across on flights traveling from Baltimore to St. Louis in April and May 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Mon 5/1310:12 pmBWI - STL
1 stop12h 27mSpirit Airlines
Tue 5/142:35 pmSTL - BWI
1 stop16h 40mSpirit Airlines
Deal found 4/27$111
Thu 5/1610:00 pmBWI - STL
1 stop10h 08mFrontier
Mon 5/209:26 pmSTL - BWI
1 stop10h 04mFrontier
Deal found 4/26$124
Wed 5/812:29 pmBWI - STL
1 stop23h 09mMultiple Airlines
Sat 5/1111:39 amSTL - BWI
1 stop6h 03mMultiple Airlines
Deal found 4/26$126
Mon 5/137:43 pmBWI - STL
1 stop14h 56mSpirit Airlines
Tue 5/142:35 pmSTL - BWI
2 stops17h 07mSpirit Airlines
Deal found 4/27$130
Sat 5/188:46 pmBWI - STL
1 stop11h 22mFrontier
Wed 5/229:10 pmSTL - BWI
1 stop10h 35mFrontier
Deal found 4/26$138
Thu 5/1610:00 pmBWI - STL
1 stop10h 08mFrontier
Tue 5/2110:44 pmSTL - BWI
1 stop19h 58mFrontier
Deal found 4/25$147
Mon 5/68:08 amBWI - STL
1 stop13h 03mFrontier
Thu 5/97:16 pmSTL - BWI
1 stop11h 02mFrontier
Deal found 4/26$148
Wed 5/810:12 pmBWI - STL
2 stops21h 28mSpirit Airlines
Sat 5/1111:39 amSTL - BWI
1 stop6h 03mSpirit Airlines
Deal found 4/26$151
Mon 5/137:43 pmBWI - STL
1 stop14h 56mSpirit Airlines
Tue 5/142:35 pmSTL - BWI
3 stops31h 16mSpirit Airlines
Deal found 4/27$152

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 2,991,349 searches. Data last updated April 28, 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 5/812:29 pmBWI - STL
1 stop23h 09mMultiple Airlines
Sat 5/1111:39 amSTL - BWI
1 stop6h 03mMultiple Airlines
Deal found 4/27$126
Wed 5/810:12 pmBWI - STL
2 stops21h 28mSpirit Airlines
Sat 5/1111:39 amSTL - BWI
1 stop6h 03mSpirit Airlines
Deal found 4/27$181
Mon 5/61:00 pmBWI - STL
1 stop27h 50mFrontier
Wed 5/89:53 pmSTL - BWI
1 stop21h 34mFrontier
Deal found 4/27$189
Sat 5/49:00 pmBWI - STL
1 stop11h 13mFrontier
Sun 5/53:29 pmSTL - BWI
1 stop19h 31mFrontier
Deal found 4/27$211
Wed 5/810:12 pmBWI - STL
2 stops21h 28mSpirit Airlines
Sat 5/1111:39 amSTL - BWI
2 stops11h 06mSpirit Airlines
Deal found 4/27$237
Sat 5/41:00 pmBWI - STL
1 stop26h 29mFrontier
Mon 5/69:11 pmSTL - BWI
1 stop22h 16mFrontier
Deal found 4/27$259
Fri 5/38:50 pmBWI - STL
1 stop18h 48mFrontier
Sun 5/53:29 pmSTL - BWI
1 stop19h 31mFrontier
Deal found 4/27$267
Wed 5/810:12 pmBWI - STL
2 stops21h 28mMultiple Airlines
Sat 5/1112:10 pmSTL - BWI
3 stops11h 23mMultiple Airlines
Deal found 4/27$305
Sat 5/45:11 amBWI - STL
1 stop6h 29mMultiple Airlines
Mon 5/68:55 pmSTL - BWI
3 stops34h 08mMultiple Airlines
Deal found 4/27$324

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 2,991,349 searches. Data last updated April 28, 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.
Tue 5/219:34 amBWI - STL
2 stops26h 12mSpirit Airlines
Deal found 4/27$55
Tue 5/216:14 amBWI - STL
1 stop8h 23mSpirit Airlines
Deal found 4/26$72
Wed 5/2210:12 pmBWI - STL
1 stop20h 17mSpirit Airlines
Deal found 4/27$75
Tue 5/286:14 amBWI - STL
1 stop8h 23mSpirit Airlines
Deal found 4/27$82
Wed 5/2210:12 pmBWI - STL
2 stops21h 28mSpirit Airlines
Deal found 4/27$83
Sat 5/49:00 pmBWI - STL
1 stop11h 13mFrontier
Deal found 4/27$86
Mon 5/2710:12 pmBWI - STL
1 stop12h 27mSpirit Airlines
Deal found 4/27$88
Tue 5/215:25 amBWI - STL
3 stops30h 21mSpirit Airlines
Deal found 4/27$89
Tue 5/218:28 pmBWI - STL
1 stop24h 42mFrontier
Deal found 4/27$90

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 2,991,349 searches. Data last updated April 28, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$111 - $295

Route

Depart

Return

Price

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Mon 5/13

1 stop12h 27m

Lambert-St Louis

Tue 5/14

1 stop16h 40m

$111

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Wed 5/8

1 stop23h 09m

Lambert-St Louis

Sat 5/11

1 stop6h 03m

$126

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Mon 5/13

1 stop14h 56m

Lambert-St Louis

Tue 5/14

2 stops17h 07m

$130

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Sat 5/11

2 stops10h 55m

Lambert-St Louis

Tue 5/14

1 stop16h 40m

$137

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Sat 5/11

1 stop11h 13m

Lambert-St Louis

Tue 5/14

1 stop16h 40m

$141

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Sat 5/18

1 stop11h 22m

Lambert-St Louis

Wed 5/22

1 stop10h 35m

$160

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Thu 5/16

1 stop10h 08m

Lambert-St Louis

Sun 5/19

1 stop11h 11m

$168

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Thu 5/23

1 stop5h 53m

Lambert-St Louis

Sun 5/26

1 stop10h 56m

$264

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Thu 10/10

1 stop23h 21m

Lambert-St Louis

Sun 10/13

1 stop16h 02m

$295

Flights are sorted by cheapest first

Deals found on 4/27

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 April 21, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their Baltimore to St. Louis flight should consider departing on Wednesday 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 $80 while a round-trip flight costs $170. Price data was last updated on April 21, 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 July is currently the most expensive (average of $378). 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

$357

April

$337

May

$350

June

$373

July

$378

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 April 28, 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.
7.3
Good
14,875 reviews

Boarding

7.6

Crew

8.0

Entertainment

7.1

Comfort

7.2

Overall

7.3

Food

6.6

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

7.3
Good
14,875 reviews
7.3
Good
14,875 reviews

Boarding

7.6

Crew

8.0

Entertainment

7.1

Comfort

7.2

Overall

7.3

Food

6.6

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

7.3
Good
657 reviews
7.3
Good
14,875 reviews

Boarding

7.6

Crew

8.0

Entertainment

7.1

Comfort

7.2

Overall

7.3

Food

6.6

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

6.4
Okay
8,743 reviews
7.3
Good
14,875 reviews

Boarding

7.6

Crew

8.0

Entertainment

7.1

Comfort

7.2

Overall

7.3

Food

6.6

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

6.3
Okay
4,129 reviews
7.3
Good
14,875 reviews

Boarding

7.6

Crew

8.0

Entertainment

7.1

Comfort

7.2

Overall

7.3

Food

6.6

Reviews

1 / 10

Allow you to take your carry on with you on the plane. It was a full flight and I had to check my bag. As we boarded, a few people who came after me were able to take their bags on the plane.

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. 5h 18m 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 $200 on Cheapflights?

    Yes, there are multiple flights from Baltimore to St. Louis for under $200. The cheapest flight booked recently is on Spirit Airlines for just $111, but on average you can expect to pay $163.

  • Are there last-minute flights available from Baltimore to St. Louis for under $200?

    There are currently 20+ open flights from Baltimore to St. Louis within the next 7 days for less than $200.

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

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

  • 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.
    Early Morning (Midnight to 6am) - 100% of flight departures

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

    For as low as $111, Spirit Airlines can have you in St. Louis from Baltimore in 11h 22m. 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 Spirit Airlines is currently your cheapest option to St. Louis, with prices starting at $111. Another option worth looking into is Frontier, starting at $160 round trip. Users have found that Spirit Airlines is 70% cheaper than the other options available to this destination.

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

    The cheapest airlines for a one-way flight from Baltimore to St. Louis are Spirit Airlines ($55), Frontier ($86), and Sun Country Air ($140).

  • 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.

  • Can I find deals for flights from Baltimore to St. Louis that include extra baggage allowance?

    The amount of baggage you can bring on your Baltimore to St. Louis flight depends on the airline and the type of fare you've chosen. After entering your flight details, you'll be able to view the specific baggage policies for each deal in the search results. Keep in mind that certain deals may offer additional baggage allowance.

  • Can I find deals on flights from Baltimore to St. Louis with specific airlines?

    Yes, Cheapflights allows you to browse and filter Baltimore to St. Louis flight deals by airline. After entering your origin and destination, use the available filters to view flights offered by airlines.

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

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

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

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

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

    Yes. Cheapflights offers flight deals from Baltimore 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.

  • Can I find deals for flights from Baltimore to St. Louis that allow pets onboard?

    Many airlines flying from Baltimore to St. Louis offer the option to travel with pets. After selecting a flight deal, you can find more information about the airline's pet policy on their official website or by contacting the airline directly. Please note that additional fees and restrictions may apply.

  • Can I find deals on last-minute flights from Baltimore to St. Louis?

    Yes, you can often find last-minute deals on Baltimore to St. Louis flights on Cheapflights. However, these deals can vary and may not always be available. We recommend checking back frequently or signing up for price alerts for the most up-to-date deals.

  • How recently were the Baltimore to St. Louis flight deals updated?

    The Baltimore to St. Louis flight deals you see on this page were last updated on 4/27.

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 2,991,349 searches. Data last updated April 28, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$163FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$108Average$182FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
United AirlinesCheapest$173Average$341FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$221Average$459FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
DeltaCheapest$280Average$373FlexibilityNo 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 April 28, 2024.
15%of flight departuresEarly morningMidnight to 6 am
24%of flight departuresMorning6 am to noon
38%of flight departuresAfternoonNoon to 6 pm
23%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 April 28, 2024.
Sunday5daily flights
Monday4daily flights
Tuesday4daily flights
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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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