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Cheap flights from Baltimore to St. Louis (BWI - STL) from $37

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 6/4. 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 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
1 adult, Economy
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The best prices from Baltimore/Washington to Lambert-St Louis are usually found in March or October, booked 69 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 May 8, 2024.

Popular in

June

Cheapest in

March

Round-trip from

$322

One-way from

$145
High demand for flights, 25% potential price rise
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Best time to find cheap flights, 35% potential price drop
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From Baltimore/Washington to Lambert-St Louis
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One-way flight from Baltimore/Washington to Lambert-St Louis
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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 62% 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 45 days before your planned departure. Booking around this time can save you about 147% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $399 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $470.

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

January is one of the best times of the year to fly to St. Louis from Baltimore. Prices for January average $329 per person but you can even find prices for as low as $130. The most expensive prices can be found in the month of March. Opting for a January flight can save you 15% on your journey compared to booking in March

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 53% on airfare.

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 2,752,338 searches. Data last updated May 8, 2024.
Find some of the cheapest Spirit Airlines flights traveling from Baltimore to St. Louis. It's recommended that users confirm their flight details before booking.
Wed 5/2910:12 pmBWI - STL
2 stops21h 28mSpirit Airlines
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Deal found 5/7$105
Wed 5/2910:12 pmBWI - STL
1 stop20h 17mSpirit Airlines
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Deal found 5/7$111
Thu 5/306:14 amBWI - STL
1 stop13h 26mSpirit Airlines
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Deal found 5/7$115
Tue 6/46:14 amBWI - STL
1 stop8h 23mSpirit Airlines
Tue 6/113:23 pmSTL - BWI
1 stop8h 22mSpirit Airlines
Deal found 5/7$117
Wed 5/2910:12 pmBWI - STL
2 stops21h 28mSpirit Airlines
Tue 6/410:34 amSTL - BWI
2 stops11h 42mSpirit Airlines
Deal found 5/7$128
Tue 6/46:14 amBWI - STL
1 stop8h 23mSpirit Airlines
Tue 6/1111:57 amSTL - BWI
2 stops19h 38mSpirit Airlines
Deal found 5/7$130
Thu 5/3010:40 amBWI - STL
1 stop9h 00mSpirit Airlines
Tue 6/410:34 amSTL - BWI
2 stops11h 42mSpirit Airlines
Deal found 5/7$136
Sun 6/26:49 amBWI - STL
1 stop11h 40mSpirit Airlines
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Deal found 5/7$138
Wed 6/56:10 pmBWI - STL
1 stop26h 12mSpirit Airlines
Tue 6/1111:57 amSTL - BWI
1 stop10h 53mSpirit Airlines
Deal found 5/6$139

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 2,752,338 searches. Data last updated May 8, 2024.
To aid your search, here are some of the cheapest Frontier flights we've found from Baltimore to St. Louis. Check back soon if you're not seeing flights that suit your needs.
Sat 5/258:41 pmBWI - STL
1 stop11h 27mFrontier
Wed 5/299:10 pmSTL - BWI
1 stop10h 35mFrontier
Deal found 5/7$140
Sat 6/88:15 pmBWI - STL
1 stop11h 52mFrontier
Wed 6/128:02 pmSTL - BWI
1 stop15h 37mFrontier
Deal found 5/7$146
Wed 6/58:38 amBWI - STL
1 stop23h 29mFrontier
Tue 6/117:44 pmSTL - BWI
1 stop11h 03mFrontier
Deal found 5/8$150
Tue 5/149:17 pmBWI - STL
1 stop20h 38mFrontier
Thu 5/1611:06 pmSTL - BWI
1 stop11h 27mFrontier
Deal found 5/7$152
Wed 6/58:38 amBWI - STL
1 stop23h 29mFrontier
Thu 6/67:44 pmSTL - BWI
1 stop11h 03mFrontier
Deal found 5/7$157
Sat 5/258:41 pmBWI - STL
1 stop11h 27mFrontier
Sat 6/19:29 pmSTL - BWI
1 stop9h 34mFrontier
Deal found 5/7$160
Thu 6/68:13 pmBWI - STL
1 stop11h 54mFrontier
Tue 6/117:44 pmSTL - BWI
1 stop11h 03mFrontier
Deal found 5/7$162
Sat 5/182:37 pmBWI - STL
1 stop17h 31mFrontier
Tue 5/2110:44 pmSTL - BWI
1 stop19h 58mFrontier
Deal found 5/7$164
Thu 5/1610:00 pmBWI - STL
1 stop10h 08mFrontier
Thu 5/2311:06 pmSTL - BWI
1 stop11h 27mFrontier
Deal found 5/7$165

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

Find cheap flight options from Baltimore to St. Louis specifically for the months of May and June 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,752,338 searches. Prices were last updated on May 8, 2024.
The lowest fares we've come across on flights traveling from Baltimore to St. Louis in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 5/2910:12 pmBWI - STL
2 stops21h 28mSpirit Airlines
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Deal found 5/7$105
Wed 5/2910:12 pmBWI - STL
1 stop20h 17mSpirit Airlines
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Deal found 5/7$111
Thu 5/306:14 amBWI - STL
1 stop13h 26mSpirit Airlines
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Deal found 5/7$115
Tue 6/46:14 amBWI - STL
1 stop8h 23mSpirit Airlines
Tue 6/113:23 pmSTL - BWI
1 stop8h 22mSpirit Airlines
Deal found 5/7$117
Tue 5/288:28 pmBWI - STL
1 stop24h 42mMultiple Airlines
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mMultiple Airlines
Deal found 5/7$118
Wed 5/2910:12 pmBWI - STL
2 stops21h 28mSpirit Airlines
Tue 6/410:34 amSTL - BWI
2 stops11h 42mSpirit Airlines
Deal found 5/7$128
Tue 6/46:14 amBWI - STL
1 stop8h 23mSpirit Airlines
Tue 6/1111:57 amSTL - BWI
2 stops19h 38mSpirit Airlines
Deal found 5/7$130
Thu 5/3010:40 amBWI - STL
1 stop9h 00mSpirit Airlines
Tue 6/410:34 amSTL - BWI
2 stops11h 42mSpirit Airlines
Deal found 5/7$136
Sat 6/88:15 pmBWI - STL
1 stop11h 52mMultiple Airlines
Tue 6/1111:57 amSTL - BWI
1 stop10h 53mMultiple Airlines
Deal found 5/7$137

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 2,752,338 searches. Data last updated May 8, 2024.
The lowest fares we've come across on flights traveling from Baltimore to St. Louis in May and June 2024. If these deals don't appeal to you, be sure to come back soon for more options.
Wed 5/2910:12 pmBWI - STL
2 stops21h 28mSpirit Airlines
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Deal found 5/7$105
Wed 5/2910:12 pmBWI - STL
1 stop20h 17mSpirit Airlines
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Deal found 5/7$111
Thu 5/306:14 amBWI - STL
1 stop13h 26mSpirit Airlines
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Deal found 5/7$115
Tue 6/46:14 amBWI - STL
1 stop8h 23mSpirit Airlines
Tue 6/113:23 pmSTL - BWI
1 stop8h 22mSpirit Airlines
Deal found 5/7$117
Tue 5/288:28 pmBWI - STL
1 stop24h 42mMultiple Airlines
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mMultiple Airlines
Deal found 5/7$118
Wed 5/2910:12 pmBWI - STL
2 stops21h 28mSpirit Airlines
Tue 6/410:34 amSTL - BWI
2 stops11h 42mSpirit Airlines
Deal found 5/7$128
Tue 6/46:14 amBWI - STL
1 stop8h 23mSpirit Airlines
Tue 6/1111:57 amSTL - BWI
2 stops19h 38mSpirit Airlines
Deal found 5/7$130
Thu 5/3010:40 amBWI - STL
1 stop9h 00mSpirit Airlines
Tue 6/410:34 amSTL - BWI
2 stops11h 42mSpirit Airlines
Deal found 5/7$136
Sat 6/88:15 pmBWI - STL
1 stop11h 52mMultiple Airlines
Tue 6/1111:57 amSTL - BWI
1 stop10h 53mMultiple Airlines
Deal found 5/7$137

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 2,752,338 searches. Data last updated May 8, 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.
Tue 5/149:17 pmBWI - STL
1 stop20h 38mFrontier
Thu 5/1611:06 pmSTL - BWI
1 stop11h 27mFrontier
Deal found 5/7$152
Sat 5/188:46 pmBWI - STL
1 stop11h 22mFrontier
Thu 5/2311:06 pmSTL - BWI
1 stop11h 27mFrontier
Deal found 5/7$160
Sat 5/182:37 pmBWI - STL
1 stop17h 31mFrontier
Tue 5/2110:44 pmSTL - BWI
1 stop19h 58mFrontier
Deal found 5/7$164
Thu 5/1610:00 pmBWI - STL
1 stop10h 08mFrontier
Thu 5/2311:06 pmSTL - BWI
1 stop11h 27mFrontier
Deal found 5/7$165
Wed 5/158:50 pmBWI - STL
1 stop11h 18mFrontier
Sun 5/197:44 pmSTL - BWI
1 stop10h 54mFrontier
Deal found 5/7$169
Thu 5/1610:00 pmBWI - STL
1 stop10h 08mFrontier
Sun 5/197:44 pmSTL - BWI
1 stop10h 54mFrontier
Deal found 5/7$174
Fri 5/1710:12 pmBWI - STL
1 stop19h 13mSpirit Airlines
Tue 5/2110:34 amSTL - BWI
1 stop21h 08mSpirit Airlines
Deal found 5/7$178
Sat 5/188:46 pmBWI - STL
1 stop11h 22mFrontier
Mon 5/209:26 pmSTL - BWI
1 stop10h 04mFrontier
Deal found 5/7$189
Thu 5/1610:00 pmBWI - STL
1 stop10h 08mFrontier
Mon 5/209:26 pmSTL - BWI
1 stop10h 04mFrontier
Deal found 5/7$194

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 2,752,338 searches. Data last updated May 8, 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 6/46:14 amBWI - STL
1 stop8h 23mSpirit Airlines
Deal found 5/7$37
Thu 6/68:05 amBWI - STL
1 stop12h 17mSpirit Airlines
Deal found 5/7$70
Wed 5/158:50 pmBWI - STL
1 stop11h 18mFrontier
Deal found 5/7$76
Mon 6/37:43 pmBWI - STL
1 stop14h 56mSpirit Airlines
Deal found 5/7$77
Sat 6/158:15 pmBWI - STL
1 stop11h 52mFrontier
Deal found 5/7$78
Tue 6/256:45 amBWI - STL
1 stop8h 38mSpirit Airlines
Deal found 5/7$80
Mon 6/2410:45 pmBWI - STL
1 stop16h 38mSpirit Airlines
Deal found 5/7$88
Thu 6/68:05 amBWI - STL
1 stop12h 17mSpirit Airlines
Deal found 5/7$93
Mon 5/2710:12 pmBWI - STL
1 stop12h 27mSpirit Airlines
Deal found 5/6$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 2,752,338 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$105 - $146

Route

Depart

Return

Price

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Wed 5/29

2 stops21h 28m

Lambert-St Louis

Tue 6/4

1 stop8h 41m

$105

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Wed 5/29

1 stop20h 17m

Lambert-St Louis

Tue 6/4

1 stop8h 41m

$111

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Thu 5/30

1 stop13h 26m

Lambert-St Louis

Tue 6/4

1 stop8h 41m

$115

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Tue 6/4

1 stop8h 23m

Lambert-St Louis

Tue 6/11

1 stop8h 22m

$117

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Tue 5/28

1 stop24h 42m

Lambert-St Louis

Tue 6/4

1 stop8h 41m

$118

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Sat 6/8

1 stop11h 52m

Lambert-St Louis

Tue 6/11

1 stop10h 53m

$137

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Sat 5/25

1 stop11h 27m

Lambert-St Louis

Wed 5/29

1 stop10h 35m

$140

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Wed 6/5

1 stop23h 29m

Lambert-St Louis

Tue 6/11

1 stop7h 04m

$142

Baltimore/WashingtonLambert-St Louis

BWI - STL

BWISTL

Baltimore/Washington

Sat 6/8

1 stop11h 52m

Lambert-St Louis

Wed 6/12

1 stop15h 37m

$146

Flights are sorted by cheapest first

Deals found on 5/7

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 May 3, 2024.
To ensure you get the cheapest price possible for a flight from Baltimore to St. Louis, you should look to book at least 34 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 May 5, 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. Saturday 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 $77 while a round-trip flight costs $126. Price data was last updated on May 5, 2024.

Currently, September is the cheapest month in which you can book a flight from Baltimore to St. Louis (average of $322). Flying from Baltimore to St. Louis in July is currently the most expensive (average of $372). 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

$342

June

$369

July

$372

August

$336

September

$322

October

$324

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 May 8, 2024.
See what other customers who have flown with Spirit Airlines, Frontier 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.
American Airlines
7.3
Good
14,677 reviews
Check prices

Crew

8.0

Food

6.6

Entertainment

7.1

Overall

7.3

Boarding

7.6

Comfort

7.2

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.

American Airlines
7.3
Good
14,677 reviews
American Airlines
7.3
Good
14,677 reviews
Check prices

Crew

8.0

Food

6.6

Entertainment

7.1

Overall

7.3

Boarding

7.6

Comfort

7.2

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.

Sun Country Air
7.2
Good
640 reviews
American Airlines
7.3
Good
14,677 reviews
Check prices

Crew

8.0

Food

6.6

Entertainment

7.1

Overall

7.3

Boarding

7.6

Comfort

7.2

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.

Spirit Airlines
6.4
Okay
8,706 reviews
American Airlines
7.3
Good
14,677 reviews
Check prices

Crew

8.0

Food

6.6

Entertainment

7.1

Overall

7.3

Boarding

7.6

Comfort

7.2

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.

Frontier
6.3
Okay
4,088 reviews
American Airlines
7.3
Good
14,677 reviews
Check prices

Crew

8.0

Food

6.6

Entertainment

7.1

Overall

7.3

Boarding

7.6

Comfort

7.2

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. 2h 10m 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 $105, but on average you can expect to pay $135.

  • 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: Friday.

  • 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 $105, Spirit Airlines can have you in St. Louis from Baltimore in 11h 27m. 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 $105. Another option worth looking into is Frontier, starting at $140 round trip. Users have found that Spirit Airlines is 71% cheaper than the other options available to this destination.

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

    Before booking your flight from Baltimore to St. Louis check out the most popular airlines for this route: American Airlines, Delta or Frontier.

  • 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 5/7.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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See prices for flight routes from nearby airports that may be better suited for you.

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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 2,752,338 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$167FlexibilityNo cancel feeOn-time62%
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Spirit AirlinesCheapest$107Average$182FlexibilityNo cancel feeOn-time65%
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United AirlinesCheapest$172Average$314FlexibilityNo cancel feeOn-time69%
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American AirlinesCheapest$224Average$489FlexibilityNo cancel feeOn-time71%
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DeltaCheapest$264Average$373FlexibilityNo cancel feeOn-timeN/A
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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.
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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 May 8, 2024.
10%of flight departuresEarly morningMidnight to 6 am
25%of flight departuresMorning6 am to noon
40%of flight departuresAfternoonNoon to 6 pm
25%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 May 8, 2024.
Sunday5daily flights
Monday4daily flights
Tuesday4daily flights
Wednesday4daily flights
Thursday4daily flights
Friday4daily flights
Saturday5daily flights

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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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