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Cheap flights from St. Louis to Baltimore (STL - BWI) 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 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
Jun 7 — Jun 141
From?
To?
Fri 6/7
Fri 6/14
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 Tuesday or Thursday 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 June 2, 2024.

Popular in

March

Cheapest in

October

Round-trip from

$236

One-way from

$157
High demand for flights, 21% potential price rise
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Best time to find cheap flights, 22% potential price drop
Search Deals
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 Monday is a good option for securing a great price. You can expect to save up to 32% 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 108% 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 $327, or $466 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 $276. 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.

What is the cheapest time of day to fly from STL to BWI?

It’s typically best to fly out from St. Louis to Baltimore in the evening. Doing so could potentially save you 36% on the flight price compared to flying at noon, which is usually more expensive.

Cheap American Airlines flights from St. Louis to Baltimore

Explore cheap flight options specifically provided by American 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 2,807,690 searches. Data last updated June 2, 2024.
Find some of the cheapest American Airlines flights traveling from St. Louis to Baltimore. Come back soon if you're not finding the exact deal you're looking for.
Tue 6/116:00 amSTL - BWI
1 stop4h 29mAmerican Airlines
Tue 6/118:16 pmBWI - STL
1 stop4h 47mAmerican Airlines
Deal found 6/1$424
Fri 6/289:23 amSTL - BWI
1 stop4h 34mAmerican Airlines
Sun 6/305:00 amBWI - STL
2 stops13h 18mAmerican Airlines
Deal found 6/1$595
Sun 6/235:15 amSTL - BWI
1 stop6h 14mAmerican Airlines
Sun 6/306:20 amBWI - STL
2 stops11h 58mAmerican Airlines
Deal found 6/1$607
Thu 10/107:30 amSTL - BWI
2 stops10h 54mAmerican Airlines
Sun 10/1311:28 amBWI - STL
1 stop6h 54mAmerican Airlines
Deal found 6/1$630
Wed 6/123:27 pmSTL - BWI
1 stop5h 56mAmerican Airlines
Sat 6/155:00 amBWI - STL
2 stops18h 02mAmerican Airlines
Deal found 6/1$641
Wed 6/123:27 pmSTL - BWI
1 stop5h 56mAmerican Airlines
Sat 6/155:00 amBWI - STL
2 stops10h 26mAmerican Airlines
Deal found 6/2$769
Fri 6/286:00 amSTL - BWI
2 stops10h 13mAmerican Airlines
Sun 6/305:00 amBWI - STL
2 stops10h 26mAmerican Airlines
Deal found 6/1$774
Wed 6/126:00 amSTL - BWI
2 stops10h 15mAmerican Airlines
Sat 6/155:00 amBWI - STL
2 stops10h 26mAmerican Airlines
Deal found 6/1$862
Sun 6/236:00 amSTL - BWI
2 stops10h 13mAmerican Airlines
Sun 6/305:00 amBWI - STL
2 stops10h 26mAmerican Airlines
Deal found 6/2$880

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 2,807,690 searches. Data last updated June 2, 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.
Mon 6/106:16 pmSTL - BWI
1 stop19h 25mFrontier
Tue 6/118:48 pmBWI - STL
1 stop13h 41mFrontier
Deal found 6/1$215
Fri 6/77:44 pmSTL - BWI
1 stop18h 04mFrontier
Tue 6/118:48 pmBWI - STL
1 stop13h 41mFrontier
Deal found 6/1$220
Wed 6/128:02 pmSTL - BWI
1 stop15h 37mFrontier
Sat 6/155:37 pmBWI - STL
1 stop22h 00mFrontier
Deal found 6/2$229
Wed 7/38:02 pmSTL - BWI
1 stop15h 37mFrontier
Sun 7/78:19 pmBWI - STL
1 stop13h 24mFrontier
Deal found 6/2$266
Sun 6/167:44 pmSTL - BWI
1 stop11h 03mFrontier
Tue 6/188:48 pmBWI - STL
1 stop13h 41mFrontier
Deal found 5/31$267
Wed 6/128:02 pmSTL - BWI
1 stop15h 37mFrontier
Sat 6/155:37 pmBWI - STL
1 stop22h 00mFrontier
Deal found 6/1$274
Wed 6/128:02 pmSTL - BWI
1 stop15h 37mFrontier
Mon 6/177:09 pmBWI - STL
2 stops16h 33mFrontier
Deal found 6/1$292
Fri 6/77:44 pmSTL - BWI
1 stop18h 04mFrontier
Mon 6/107:09 pmBWI - STL
2 stops16h 33mFrontier
Deal found 6/2$293
Mon 6/106:16 pmSTL - BWI
1 stop19h 25mFrontier
Wed 6/127:09 pmBWI - STL
2 stops16h 33mFrontier
Deal found 5/31$312

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

Find cheap flight options from St. Louis to Baltimore specifically for the months of June and July 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,807,690 searches. Prices were last updated on June 2, 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 6/113:23 pmSTL - BWI
1 stop23h 38mSpirit Airlines
Wed 6/1210:45 pmBWI - STL
2 stops21h 37mSpirit Airlines
Deal found 6/1$164
Tue 6/113:23 pmSTL - BWI
1 stop23h 38mSpirit Airlines
Wed 6/1210:45 pmBWI - STL
1 stop19h 43mSpirit Airlines
Deal found 6/1$172
Sun 6/305:22 pmSTL - BWI
1 stop14h 13mSpirit Airlines
Mon 7/110:45 pmBWI - STL
1 stop16h 38mSpirit Airlines
Deal found 6/2$178
Thu 6/276:22 pmSTL - BWI
1 stop13h 13mSpirit Airlines
Sat 6/297:18 pmBWI - STL
1 stop22h 14mSpirit Airlines
Deal found 6/1$180
Tue 6/1811:57 amSTL - BWI
1 stop10h 53mMultiple Airlines
Sat 6/228:15 pmBWI - STL
1 stop11h 52mMultiple Airlines
Deal found 6/1$189
Sun 6/305:22 pmSTL - BWI
1 stop14h 13mSpirit Airlines
Tue 7/26:30 amBWI - STL
2 stops8h 53mSpirit Airlines
Deal found 6/2$193
Tue 6/1111:57 amSTL - BWI
2 stops10h 54mSpirit Airlines
Wed 6/1210:45 pmBWI - STL
2 stops21h 37mSpirit Airlines
Deal found 6/1$204
Thu 6/206:22 pmSTL - BWI
1 stop29h 23mSpirit Airlines
Mon 6/2410:45 pmBWI - STL
1 stop16h 38mSpirit Airlines
Deal found 6/1$209
Sat 6/1511:34 amSTL - BWI
1 stop12h 50mSpirit Airlines
Mon 6/1710:45 pmBWI - STL
1 stop16h 38mSpirit Airlines
Deal found 5/31$211

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 2,807,690 searches. Data last updated June 2, 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 7/23:23 pmSTL - BWI
1 stop8h 22mSpirit Airlines
Tue 7/96:00 amBWI - STL
2 stops9h 23mSpirit Airlines
Deal found 6/2$163
Tue 6/113:23 pmSTL - BWI
1 stop23h 38mSpirit Airlines
Wed 6/1210:45 pmBWI - STL
2 stops21h 37mSpirit Airlines
Deal found 6/1$164
Tue 7/23:23 pmSTL - BWI
1 stop8h 22mSpirit Airlines
Tue 7/96:45 amBWI - STL
1 stop8h 38mSpirit Airlines
Deal found 6/2$165
Wed 9/184:31 pmSTL - BWI
1 stop23h 41mSpirit Airlines
Sun 9/2210:40 amBWI - STL
1 stop8h 49mSpirit Airlines
Deal found 6/1$167
Tue 6/113:23 pmSTL - BWI
1 stop23h 38mSpirit Airlines
Wed 6/1210:45 pmBWI - STL
1 stop19h 43mSpirit Airlines
Deal found 6/1$172
Sun 6/305:22 pmSTL - BWI
1 stop14h 13mSpirit Airlines
Mon 7/110:45 pmBWI - STL
1 stop16h 38mSpirit Airlines
Deal found 6/2$178
Thu 6/276:22 pmSTL - BWI
1 stop13h 13mSpirit Airlines
Sat 6/297:18 pmBWI - STL
1 stop22h 14mSpirit Airlines
Deal found 6/1$180
Wed 9/184:31 pmSTL - BWI
2 stops23h 59mSpirit Airlines
Sun 9/2210:40 amBWI - STL
1 stop8h 49mSpirit Airlines
Deal found 6/1$185
Tue 7/23:23 pmSTL - BWI
1 stop8h 22mSpirit Airlines
Sat 7/66:45 amBWI - STL
1 stop11h 43mSpirit Airlines
Deal found 5/31$187

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 2,807,690 searches. Data last updated June 2, 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.
Tue 6/113:23 pmSTL - BWI
1 stop23h 38mSpirit Airlines
Wed 6/1210:45 pmBWI - STL
2 stops21h 37mSpirit Airlines
Deal found 6/1$164
Tue 6/113:23 pmSTL - BWI
1 stop23h 38mSpirit Airlines
Wed 6/1210:45 pmBWI - STL
1 stop19h 43mSpirit Airlines
Deal found 6/1$172
Tue 6/1111:57 amSTL - BWI
2 stops10h 54mSpirit Airlines
Wed 6/1210:45 pmBWI - STL
2 stops21h 37mSpirit Airlines
Deal found 6/1$204
Mon 6/106:16 pmSTL - BWI
1 stop19h 25mFrontier
Tue 6/118:48 pmBWI - STL
1 stop13h 41mFrontier
Deal found 6/1$215
Fri 6/77:44 pmSTL - BWI
1 stop18h 04mFrontier
Tue 6/118:48 pmBWI - STL
1 stop13h 41mFrontier
Deal found 6/1$220
Wed 6/128:02 pmSTL - BWI
1 stop15h 37mFrontier
Sat 6/155:37 pmBWI - STL
1 stop22h 00mFrontier
Deal found 6/2$229
Wed 6/128:02 pmSTL - BWI
1 stop15h 37mMultiple Airlines
Sat 6/155:31 pmBWI - STL
1 stop25h 34mMultiple Airlines
Deal found 6/1$237
Sun 6/96:55 pmSTL - BWI
1 stop27h 30mMultiple Airlines
Tue 6/118:48 pmBWI - STL
1 stop13h 41mMultiple Airlines
Deal found 6/1$244
Tue 6/1111:57 amSTL - BWI
2 stops10h 54mMultiple Airlines
Wed 6/128:18 amBWI - STL
3 stops36h 37mMultiple Airlines
Deal found 5/31$246

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 2,807,690 searches. Data last updated June 2, 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 6/113:23 pmSTL - BWI
1 stop23h 38mSpirit Airlines
Deal found 6/1$55
Tue 6/1111:57 amSTL - BWI
2 stops10h 54mSpirit Airlines
Deal found 6/1$87
Fri 9/134:31 pmSTL - BWI
2 stops15h 11mSpirit Airlines
Deal found 6/1$91
Sun 6/305:22 pmSTL - BWI
1 stop14h 13mSpirit Airlines
Deal found 6/1$93
Fri 9/138:00 pmSTL - BWI
1 stop15h 03mFrontier
Deal found 6/1$98
Mon 6/106:16 pmSTL - BWI
1 stop19h 25mFrontier
Deal found 6/1$100
Sun 6/235:22 pmSTL - BWI
2 stops22h 09mSpirit Airlines
Deal found 6/1$104
Tue 6/1111:57 amSTL - BWI
3 stops27h 04mSpirit Airlines
Deal found 6/1$105
Wed 6/198:02 pmSTL - BWI
1 stop15h 37mFrontier
Deal found 5/31$111

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 2,807,690 searches. Data last updated June 2, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$167 - $424

Route

Depart

Return

Price

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Wed 9/18

1 stop23h 41m

Baltimore/Washington

Sun 9/22

1 stop8h 49m

$167

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Thu 6/27

1 stop13h 13m

Baltimore/Washington

Sat 6/29

1 stop22h 14m

$180

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Wed 9/18

2 stops23h 59m

Baltimore/Washington

Sun 9/22

1 stop8h 49m

$185

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Tue 7/2

1 stop8h 22m

Baltimore/Washington

Sat 7/6

1 stop11h 43m

$187

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Tue 6/18

1 stop10h 53m

Baltimore/Washington

Sat 6/22

1 stop11h 52m

$189

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Fri 9/20

1 stop13h 10m

Baltimore/Washington

Sun 9/22

1 stop8h 49m

$193

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Tue 7/16

1 stop6h 15m

Baltimore/Washington

Tue 7/16

1 stop13h 31m

$200

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Wed 7/3

1 stop15h 37m

Baltimore/Washington

Sun 7/7

1 stop13h 24m

$266

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Fri 6/14

1 stop4h 12m

Baltimore/Washington

Sun 6/16

1 stop4h 10m

$424

Flights are sorted by cheapest first

Deals found on 6/1

How far ahead should I 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 31, 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

What is the cheapest day 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 26, 2024.
Morning
Noon
Afternoon
Evening
All times are departure.
Travelers seeking maximum savings on their St. Louis to Baltimore flight should consider departing on Wednesday evenings when fares are most often at their lowest. Sunday mornings flights should be avoided if possible as fares are typically the most expensive at this time.
Search Deals

Best time to book a flight from St. Louis to Baltimore

Have a flexible travel schedule? Discover the best time to fly to Baltimore from St. Louis with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

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 June 2, 2024.
Read reviews from past customers who have flown American Airlines, Frontier and Spirit 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.
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Alaska Airlines
8.1
Very good
9,198 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Delta
8.0
Very good
10,402 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

American Airlines
7.3
Good
14,260 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Spirit Airlines
6.4
Okay
8,602 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

Frontier
6.2
Okay
4,006 reviews
Alaska Airlines
8.1
Very good
9,198 reviews
Check prices

Crew

8.6

Food

7.3

Comfort

7.9

Entertainment

7.3

Boarding

8.2

Overall

8.1

Reviews

1 / 10

Crew and airport staff were excellent. They accommodated my needs and were super professional and kind.

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. 4h 12m 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 $167, but on average you can expect to pay $207.

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

    You can find nonstop flights on the following days: Monday.

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

    Travelers can expect 1 flight from St. Louis to Baltimore on average per day.
    Early Morning (Midnight to 6am) - 100% of flight departures

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

    There are many flights that can get you from St. Louis to Baltimore in 23h 41m. Fly via Spirit Airlines to get the fastest option. The distance between St. Louis and Baltimore is about 739 mi.

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

    Spirit Airlines, at $167, was found to be the cheapest airline from St. Louis to Baltimore.. Spirit Airlines is 51% cheaper than the average price of flights available within the next 90 days to this destination.

  • 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 6/2.

  • 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 is the cheapest month to book a flight from St. Louis to Baltimore?

    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 $288). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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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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Fort Leonard Wood to Reagan-National flights

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 2,807,690 searches. Data last updated June 2, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$100Average$176FlexibilityNo cancel feeOn-time62%
Search Frontier flights
Spirit AirlinesCheapest$144Average$193FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
American AirlinesCheapest$224Average$431FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
United AirlinesCheapest$239Average$360FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
DeltaCheapest$261Average$352FlexibilityNo 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 June 2, 2024.
17%of flight departuresEarly morningMidnight to 6 am
33%of flight departuresMorning6 am to noon
32%of flight departuresAfternoonNoon to 6 pm
18%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 June 2, 2024.
Sunday6daily flights
Monday7daily flights
Tuesday7daily flights
Wednesday7daily flights
Thursday7daily flights
Friday7daily flights
Saturday3daily flights

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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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