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Cheap flights from St. Louis to Baltimore (STL - BWI) from $50

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 6/11. 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.
STL — BWI
May 13 — May 201
From?
To?
Mon 5/13
Mon 5/20
1 adult, Economy
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The best prices from Lambert-St Louis to Baltimore/Washington are usually found in October or September, booked 15 days in advance, depart on a Thursday or Tuesday and return on a Wednesday

Cheap flight deals from St. Louis to Baltimore

Discover tips and strategies to find the most affordable flight options for your journey from St. Louis (STL) to Baltimore (BWI). 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

March

Cheapest in

October

Round-trip from

$235

One-way from

$113
High demand for flights, 21% potential price rise
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Best time to find cheap flights, 22% potential price drop
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From Lambert-St Louis to Baltimore/Washington
Search Deals
One-way flight from Lambert-St Louis to Baltimore/Washington
Search Deals

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

Departing on a Wednesday is a good option for securing a great price. You can expect to save up to 36% when planning your travel around this day of the week.

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

Travelers have found it’s best to book a flight 53 days in advance to save up to 96% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 53 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from St. Louis to Baltimore 1-2 weeks in advance for as low as $310, or $462 for flights within the next 24 hours.

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

January can be a great time to fly to Baltimore from St. Louis with a flight ticket averaging about $278. Cheapflights users have found deals in the month of January for as cheap as $108. The most expensive prices can be found in the month of June.

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

It’s typically best to fly out from St. Louis to Baltimore in the evening. Doing so could potentially save you 33% on the flight price compared to flying at noon, which is usually more expensive.

Cheap Spirit Airlines flights from St. Louis to Baltimore

Explore cheap flight options specifically provided by Spirit Airlines for the route between St. Louis and Baltimore. 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 St. Louis to Baltimore. Come back soon if you're not finding the exact deal you're looking for.
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Tue 6/115:45 amBWI - STL
1 stop6h 12mSpirit Airlines
Deal found 5/6$122
Tue 6/1111:57 amSTL - BWI
1 stop10h 53mSpirit Airlines
Sat 6/155:45 amBWI - STL
1 stop5h 49mSpirit Airlines
Deal found 5/7$125
Tue 6/1111:57 amSTL - BWI
1 stop10h 53mSpirit Airlines
Sat 6/155:45 amBWI - STL
1 stop5h 49mSpirit Airlines
Deal found 5/7$126
Tue 6/42:35 pmSTL - BWI
2 stops17h 00mSpirit Airlines
Tue 6/115:45 amBWI - STL
1 stop6h 12mSpirit Airlines
Deal found 5/6$138
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Fri 6/1410:45 pmBWI - STL
1 stop19h 43mSpirit Airlines
Deal found 5/8$151
Sat 6/15:15 pmSTL - BWI
1 stop14h 27mSpirit Airlines
Tue 6/46:14 amBWI - STL
1 stop8h 23mSpirit Airlines
Deal found 5/8$156
Tue 5/2810:34 amSTL - BWI
1 stop21h 08mSpirit Airlines
Thu 5/306:49 amBWI - STL
1 stop11h 40mSpirit Airlines
Deal found 5/7$159
Tue 6/42:35 pmSTL - BWI
2 stops17h 00mSpirit Airlines
Tue 6/116:30 amBWI - STL
2 stops8h 53mSpirit Airlines
Deal found 5/6$161
Tue 6/113:23 pmSTL - BWI
1 stop8h 22mSpirit Airlines
Wed 6/126:41 pmBWI - STL
1 stop23h 47mSpirit Airlines
Deal found 5/7$179

Cheap Frontier flights from St. Louis to Baltimore

Explore cheap flight options specifically provided by Frontier for the route between St. Louis and Baltimore. 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 St. Louis to Baltimore. Deals frequently update to provide users with more options.
Fri 5/178:45 pmSTL - BWI
1 stop20h 01mFrontier
Mon 5/208:38 amBWI - STL
1 stop23h 30mFrontier
Deal found 5/6$133
Thu 5/1611:06 pmSTL - BWI
1 stop11h 27mFrontier
Sat 5/188:46 pmBWI - STL
1 stop11h 22mFrontier
Deal found 5/7$145
Wed 5/299:10 pmSTL - BWI
1 stop10h 35mFrontier
Mon 6/39:15 amBWI - STL
1 stop12h 05mFrontier
Deal found 5/7$147
Thu 5/167:44 pmSTL - BWI
1 stop11h 28mFrontier
Mon 5/208:38 amBWI - STL
1 stop12h 48mFrontier
Deal found 5/7$150
Tue 6/117:44 pmSTL - BWI
1 stop11h 03mFrontier
Wed 6/127:09 pmBWI - STL
2 stops16h 33mFrontier
Deal found 5/7$152
Sun 5/197:44 pmSTL - BWI
1 stop10h 54mFrontier
Tue 5/218:28 pmBWI - STL
1 stop24h 42mFrontier
Deal found 5/7$153
Fri 5/177:44 pmSTL - BWI
1 stop11h 46mFrontier
Mon 5/208:38 amBWI - STL
1 stop12h 48mFrontier
Deal found 5/7$154
Sun 5/197:44 pmSTL - BWI
1 stop10h 54mFrontier
Tue 5/218:28 pmBWI - STL
1 stop24h 42mFrontier
Deal found 5/7$155
Fri 9/68:00 pmSTL - BWI
1 stop15h 03mFrontier
Mon 9/91:03 pmBWI - STL
1 stop23h 47mFrontier
Deal found 5/7$158

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

Find cheap flight options from St. Louis to Baltimore 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.
Check out some of the best flight deals from St. Louis to Baltimore in 2024. More deals are always being added, so be sure to check back regularly.
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Tue 6/115:45 amBWI - STL
1 stop6h 12mSpirit Airlines
Deal found 5/6$122
Tue 6/1111:57 amSTL - BWI
1 stop10h 53mSpirit Airlines
Sat 6/155:45 amBWI - STL
1 stop5h 49mSpirit Airlines
Deal found 5/7$125
Tue 6/1111:57 amSTL - BWI
1 stop10h 53mSpirit Airlines
Sat 6/155:45 amBWI - STL
1 stop5h 49mSpirit Airlines
Deal found 5/7$126
Fri 5/178:45 pmSTL - BWI
1 stop20h 01mFrontier
Mon 5/208:38 amBWI - STL
1 stop23h 30mFrontier
Deal found 5/6$133
Tue 6/42:35 pmSTL - BWI
2 stops17h 00mSpirit Airlines
Tue 6/115:45 amBWI - STL
1 stop6h 12mSpirit Airlines
Deal found 5/6$138
Thu 5/1611:06 pmSTL - BWI
1 stop11h 27mFrontier
Sat 5/188:46 pmBWI - STL
1 stop11h 22mFrontier
Deal found 5/7$145
Wed 5/155:56 pmSTL - BWI
1 stop26h 04mFrontier
Sat 5/188:46 pmBWI - STL
1 stop11h 22mFrontier
Deal found 5/7$147
Thu 5/167:44 pmSTL - BWI
1 stop11h 28mFrontier
Mon 5/208:38 amBWI - STL
1 stop12h 48mFrontier
Deal found 5/7$150
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Fri 6/1410:45 pmBWI - STL
1 stop19h 43mSpirit Airlines
Deal found 5/8$151

St. Louis to Baltimore 2024 flight deals

Discover exclusive flight deals for travel between St. Louis and Baltimore 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.
Check out some of the best flight deals from St. Louis to Baltimore in 2024. More deals are always being added, so be sure to check back regularly.
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Tue 6/115:45 amBWI - STL
1 stop6h 12mSpirit Airlines
Deal found 5/6$122
Tue 6/1111:57 amSTL - BWI
1 stop10h 53mSpirit Airlines
Sat 6/155:45 amBWI - STL
1 stop5h 49mSpirit Airlines
Deal found 5/7$125
Tue 6/1111:57 amSTL - BWI
1 stop10h 53mSpirit Airlines
Sat 6/155:45 amBWI - STL
1 stop5h 49mSpirit Airlines
Deal found 5/7$126
Fri 5/178:45 pmSTL - BWI
1 stop20h 01mFrontier
Mon 5/208:38 amBWI - STL
1 stop23h 30mFrontier
Deal found 5/6$133
Tue 6/42:35 pmSTL - BWI
2 stops17h 00mSpirit Airlines
Tue 6/115:45 amBWI - STL
1 stop6h 12mSpirit Airlines
Deal found 5/6$138
Thu 5/1611:06 pmSTL - BWI
1 stop11h 27mFrontier
Sat 5/188:46 pmBWI - STL
1 stop11h 22mFrontier
Deal found 5/7$145
Wed 5/155:56 pmSTL - BWI
1 stop26h 04mFrontier
Sat 5/188:46 pmBWI - STL
1 stop11h 22mFrontier
Deal found 5/7$147
Thu 5/167:44 pmSTL - BWI
1 stop11h 28mFrontier
Mon 5/208:38 amBWI - STL
1 stop12h 48mFrontier
Deal found 5/7$150
Tue 6/42:35 pmSTL - BWI
1 stop8h 41mSpirit Airlines
Fri 6/1410:45 pmBWI - STL
1 stop19h 43mSpirit Airlines
Deal found 5/8$151

St. Louis to Baltimore flights leaving soon

Find last-minute flight options from St. Louis to Baltimore 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.
Book one of these great deals on flights from St. Louis to Baltimore. To prevent any unwanted surprises, users should verify their flight info before booking.
Fri 5/178:45 pmSTL - BWI
1 stop20h 01mFrontier
Mon 5/208:38 amBWI - STL
1 stop23h 30mFrontier
Deal found 5/6$133
Thu 5/1611:06 pmSTL - BWI
1 stop11h 27mFrontier
Sat 5/188:46 pmBWI - STL
1 stop11h 22mFrontier
Deal found 5/7$145
Wed 5/155:56 pmSTL - BWI
1 stop26h 04mFrontier
Sat 5/188:46 pmBWI - STL
1 stop11h 22mFrontier
Deal found 5/7$147
Thu 5/167:44 pmSTL - BWI
1 stop11h 28mFrontier
Mon 5/208:38 amBWI - STL
1 stop12h 48mFrontier
Deal found 5/7$150
Fri 5/177:44 pmSTL - BWI
1 stop11h 46mFrontier
Mon 5/208:38 amBWI - STL
1 stop12h 48mFrontier
Deal found 5/7$154
Thu 5/1611:06 pmSTL - BWI
1 stop11h 27mFrontier
Mon 5/201:44 pmBWI - STL
2 stops18h 24mFrontier
Deal found 5/7$174
Fri 5/177:44 pmSTL - BWI
1 stop11h 46mFrontier
Mon 5/201:44 pmBWI - STL
2 stops18h 24mFrontier
Deal found 5/6$178
Fri 5/177:44 pmSTL - BWI
1 stop16h 53mFrontier
Mon 5/201:44 pmBWI - STL
2 stops18h 24mFrontier
Deal found 5/7$180
Thu 5/167:44 pmSTL - BWI
1 stop11h 28mFrontier
Fri 5/1712:33 pmBWI - STL
1 stop21h 52mFrontier
Deal found 5/7$253

One-way flights to Baltimore from St. Louis

Search for one-way flight options from St. Louis to Baltimore. 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.
Some of the best available deals we've found on one-way flights from St. Louis to Baltimore. For those needing a return trip from St. Louis, there is a search form available above.
Tue 6/1111:57 amSTL - BWI
1 stop10h 53mSpirit Airlines
Deal found 5/7$50
Sat 6/86:22 pmSTL - BWI
1 stop6h 06mSpirit Airlines
Deal found 5/7$80
Thu 5/1611:06 pmSTL - BWI
1 stop11h 27mFrontier
Deal found 5/8$81
Tue 6/1111:57 amSTL - BWI
2 stops10h 54mSpirit Airlines
Deal found 5/7$83
Tue 5/147:16 pmSTL - BWI
1 stop18h 40mFrontier
Deal found 5/7$85
Tue 5/2110:34 amSTL - BWI
2 stops19h 36mSpirit Airlines
Deal found 5/7$87
Thu 6/67:44 pmSTL - BWI
1 stop11h 03mFrontier
Deal found 5/7$88
Tue 5/144:50 pmSTL - BWI
2 stops21h 26mFrontier
Deal found 5/7$90
Thu 6/66:22 pmSTL - BWI
1 stop13h 13mSpirit Airlines
Deal found 5/7$96

Find flights from St. Louis to Baltimore within your budget

Customize your flight search to find flights from St. Louis 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 2,752,338 searches. Data last updated May 8, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$122 - $315

Route

Depart

Return

Price

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Tue 6/4

1 stop8h 41m

Baltimore/Washington

Tue 6/11

1 stop6h 12m

$122

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Tue 6/11

1 stop10h 53m

Baltimore/Washington

Sat 6/15

1 stop5h 49m

$125

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Tue 6/11

1 stop10h 53m

Baltimore/Washington

Sat 6/15

1 stop5h 49m

$126

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Tue 6/4

2 stops17h 00m

Baltimore/Washington

Tue 6/11

1 stop6h 12m

$138

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Wed 5/29

1 stop10h 35m

Baltimore/Washington

Mon 6/3

1 stop12h 05m

$147

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Tue 6/11

1 stop11h 03m

Baltimore/Washington

Wed 6/12

2 stops16h 33m

$152

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Sat 9/14

1 stop12h 38m

Baltimore/Washington

Mon 9/16

1 stop23h 47m

$164

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Sat 8/3

1 stop6h 51m

Baltimore/Washington

Sun 8/4

1 stop4h 30m

$311

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Wed 7/17

1 stop4h 02m

Baltimore/Washington

Sun 7/21

1 stop4h 13m

$315

Flights are sorted by cheapest first

Deals found on 5/6

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

Use this chart to determine the optimal time to book a round-trip flight from St. Louis to Baltimore. Price data was last updated on May 3, 2024.
Booking 15 days in advance of your planned departure date is, on average, the best time to get cheap flights from St. Louis to Baltimore. The general trend is that the closer you book to the departure date, the more expensive your flight will be.
Search Deals

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

Use this chart to determine the cheapest time to fly round-trip from St. Louis to Baltimore. Price data was last updated on May 5, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Baltimore flight should consider departing on Thursday evenings when fares are most often at their lowest. Monday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Average price of flights to Baltimore by month

Plan your trip from St. Louis to Baltimore by taking into account the cheapest months to travel. The average price of a one-way flight from St. Louis to Baltimore is currently $82 while a round-trip flight costs $178. Price data was last updated on May 5, 2024.

Currently, December is the cheapest month in which you can book a flight from St. Louis to Baltimore (average of $238). Flying from St. Louis to Baltimore in July is currently the most expensive (average of $296). 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

$266

February

$248

March

$258

April

$257

May

$266

June

$280

July

$296

August

$266

September

$243

October

$253

November

$266

December

$238

Temperature and rainfall in Baltimore by month

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

WAS

Temperature

35.6 - 80.6 °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 May 8, 2024.
Read reviews from past customers who have flown Spirit Airlines, Frontier and American Airlines from St. Louis to Baltimore. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Southwest
8.2
Very good
6,075 reviews
Check prices

Entertainment

7.8

Overall

8.2

Crew

8.7

Boarding

8.3

Comfort

8.1

Food

7.3

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Southwest
8.2
Very good
6,075 reviews
Southwest
8.2
Very good
6,075 reviews
Check prices

Entertainment

7.8

Overall

8.2

Crew

8.7

Boarding

8.3

Comfort

8.1

Food

7.3

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Alaska Airlines
8.1
Very good
9,141 reviews
Southwest
8.2
Very good
6,075 reviews
Check prices

Entertainment

7.8

Overall

8.2

Crew

8.7

Boarding

8.3

Comfort

8.1

Food

7.3

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Delta
8.1
Very good
10,789 reviews
Southwest
8.2
Very good
6,075 reviews
Check prices

Entertainment

7.8

Overall

8.2

Crew

8.7

Boarding

8.3

Comfort

8.1

Food

7.3

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

United Airlines
7.4
Good
11,043 reviews
Southwest
8.2
Very good
6,075 reviews
Check prices

Entertainment

7.8

Overall

8.2

Crew

8.7

Boarding

8.3

Comfort

8.1

Food

7.3

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

American Airlines
7.3
Good
14,677 reviews
Southwest
8.2
Very good
6,075 reviews
Check prices

Entertainment

7.8

Overall

8.2

Crew

8.7

Boarding

8.3

Comfort

8.1

Food

7.3

Reviews

1 / 10

The seats are too narrow and uncomfortable. I do appreciate that there was room for my knees. I hate the boarding circus.

Related info for your journey

Find useful and relevant information for your journey from St. Louis to Baltimore. 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 St. Louis to Baltimore?

    Baltimore/Washington is the airport most travelers will use when flying to Baltimore from Lambert-St Louis. Booking flights from Lambert-St Louis (STL) to Baltimore/Washington (BWI) should be relatively easy as there are 6 daily flights to Baltimore from 5 different airlines. 5h 02m is how long a flight from St. Louis to Baltimore/Washington will take if you book a nonstop flight.

  • Can I find flights from St. Louis to Baltimore for under $200 on Cheapflights?

    Yes, there are multiple flights from St. Louis to Baltimore for under $200. The cheapest flight booked recently is on Spirit Airlines for just $122, but on average you can expect to pay $154.

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

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

  • What are the cheapest airlines flying from St. Louis to Baltimore round-trip?

    Spirit Airlines, at $122, was found to be the cheapest airline from St. Louis to Baltimore. An alternate airline flying to your destination would be Frontier. Spirit Airlines is 65% cheaper than the average price of flights available within the next 90 days to this destination.

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

    For one-way options, check prices for Spirit Airlines. According to our data, you can fly for as low as $50. Users have also found prices from $81 and $113 on Frontier and American Airlines, respectively.

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

    American Airlines, Delta and Frontier are the most popular airlines when flying from St. Louis to Baltimore.

  • What does STL to BWI mean?

    STL and BWI are unique codes to identify airports used in the aviation industry. They are defined by IATA (International Air Transport Association) and are commonly called IATA codes. STL to BWI refers to a flight route from Lambert-St Louis Airport to Baltimore/Washington Airport.

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

    The amount of baggage you can bring on your St. Louis to Baltimore 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 St. Louis to Baltimore with specific airlines?

    Yes, Cheapflights allows you to browse and filter St. Louis to Baltimore 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 St. Louis to Baltimore that include hotel bookings?

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

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

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

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

    Yes. Cheapflights offers flight deals from St. Louis 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.

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

    Many airlines flying from St. Louis to Baltimore 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 St. Louis to Baltimore?

    Yes, you can often find last-minute deals on St. Louis to Baltimore 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 St. Louis to Baltimore flight deals updated?

    The St. Louis to Baltimore flight deals you see on this page were last updated on 5/8.

See more FAQs

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Alternative routes for St. Louis to Baltimore
See prices for flight routes from nearby airports that may be better suited for you.

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Top 5 airlines flying from St. Louis to Baltimore

Discover the top 5 airlines that operate flights from St. Louis 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 2,752,338 searches. Data last updated May 8, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$177FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$140Average$224FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$219Average$438FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$249Average$361FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$264Average$362FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
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Search flights from St. Louis to Baltimore by cabin class

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

Find hourly flight availability from St. Louis 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 May 8, 2024.
26%of flight departuresEarly morningMidnight to 6 am
29%of flight departuresMorning6 am to noon
20%of flight departuresAfternoonNoon to 6 pm
25%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from St. Louis to Baltimore

Explore weekly flight availability from St. Louis to Baltimore. 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.
Sunday6daily flights
Monday7daily flights
Tuesday7daily flights
Wednesday7daily flights
Thursday7daily flights
Friday7daily flights
Saturday3daily flights

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Fly with Cheapflights

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

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from St. Louis to Baltimore.

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

Yes, we can. To see specific flights from St. Louis to Baltimore 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 St. Louis to Baltimore become cheaper?

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