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$54+ Cheap flights from St. Louis to Baltimore (STL - BWI)

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 10/3. Fares are subject to change and may not be available on all flights or dates of travel.
STL — BWI
set 24 — out 11
From?
To?
ter 9/24
ter 10/1
1 adult, Economy
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The best prices from Lambert-St Louis to Baltimore/Washington are usually found in September or October, booked 32 days in advance, depart on a Tuesday or Thursday and return on a Thursday

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 setembro 19, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

March

Cheapest in

September

Round-trip from

$118
(CheapOair)

One-way from

$54
(Frontier)
Provider with most accurate pricing for Lambert-St Louis-Baltimore/Washington flight deals.
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Provider most trusted by Cheapflights users for Lambert-St Louis-Baltimore/Washington flights.
Search Deals
High demand for flights, 21% potential price rise
Search Deals
Best time to find cheap flights, 29% potential price drop
Search Deals
From Lambert-St Louis to Baltimore/Washington
Search Deals
One-way flight from Lambert-St Louis to Baltimore/Washington
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Cheap St. Louis to Baltimore flights in September & October 2024

Find cheap flight options from St. Louis to Baltimore specifically for the months of September and October 2024. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 3,055,650 searches. Prices were last updated on setembro 19, 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.
This CheapOair deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 10/39:43 amSTL - BWI
1 stop8h 10mFrontier
qui 10/109:35 pmBWI - STL
1 stop27h 12mFrontier
Deal found 9/18$118
This Booking.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/235:20 pmSTL - BWI
1 stop26h 15mMultiple Airlines
ter 10/296:30 amBWI - STL
1 stop10h 51mMultiple Airlines
Deal found 9/18$157
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/165:31 amSTL - BWI
1 stop6h 45mAmerican Airlines
sex 10/187:18 pmBWI - STL
1 stop5h 49mAmerican Airlines
Deal found 9/18$158
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/97:15 amSTL - BWI
1 stop4h 29mDelta
sáb 10/196:00 amBWI - STL
1 stop4h 18mDelta
Deal found 9/18$176
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/126:30 amSTL - BWI
1 stop7h 32mUnited Airlines
ter 10/156:40 amBWI - STL
1 stop4h 27mUnited Airlines
Deal found 9/18$225
This FareScan deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/188:33 amSTL - BWI
1 stop11h 14mSpirit Airlines
seg 10/2112:15 pmBWI - STL
1 stop29h 06mSpirit Airlines
Deal found 9/18$231
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/1612:45 pmSTL - BWI
2 stops5h 30mSouthwest
sáb 10/196:30 amBWI - STL
1 stop4h 20mSouthwest
Deal found 9/18$244

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 3,055,650 searches. Data last updated setembro 19, 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.
This CheapOair deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 10/39:43 amSTL - BWI
1 stop8h 10mFrontier
qui 10/109:35 pmBWI - STL
1 stop27h 12mFrontier
Deal found 9/18$118
This Booking.com deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/235:20 pmSTL - BWI
1 stop26h 15mMultiple Airlines
ter 10/296:30 amBWI - STL
1 stop10h 51mMultiple Airlines
Deal found 9/18$157
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/165:31 amSTL - BWI
1 stop6h 45mAmerican Airlines
sex 10/187:18 pmBWI - STL
1 stop5h 49mAmerican Airlines
Deal found 9/18$158
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/97:15 amSTL - BWI
1 stop4h 29mDelta
sáb 10/196:00 amBWI - STL
1 stop4h 18mDelta
Deal found 9/18$176
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 10/126:30 amSTL - BWI
1 stop7h 32mUnited Airlines
ter 10/156:40 amBWI - STL
1 stop4h 27mUnited Airlines
Deal found 9/18$225
This FareScan deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 10/188:33 amSTL - BWI
1 stop11h 14mSpirit Airlines
seg 10/2112:15 pmBWI - STL
1 stop29h 06mSpirit Airlines
Deal found 9/18$231
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/1612:45 pmSTL - BWI
2 stops5h 30mSouthwest
sáb 10/196:30 amBWI - STL
1 stop4h 20mSouthwest
Deal found 9/18$244

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 3,055,650 searches. Data last updated setembro 19, 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.
This Frontier deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/269:43 amSTL - BWI
1 stop8h 10mFrontier
sáb 9/288:48 pmBWI - STL
1 stop12h 00mFrontier
Deal found 9/17$177
This American Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
dom 9/297:19 amSTL - BWI
1 stop6h 35mAmerican Airlines
qua 10/95:00 amBWI - STL
1 stop6h 11mAmerican Airlines
Deal found 9/18$210
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/267:06 pmSTL - BWI
1 stop4h 03mDelta
qua 10/26:00 amBWI - STL
1 stop6h 43mDelta
Deal found 9/18$241
This FareScan deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/268:57 amSTL - BWI
1 stop11h 10mSpirit Airlines
qua 10/28:51 amBWI - STL
2 stops24h 11mSpirit Airlines
Deal found 9/18$254
This United Airlines deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 9/286:30 amSTL - BWI
1 stop7h 32mUnited Airlines
qui 10/106:40 amBWI - STL
1 stop4h 27mUnited Airlines
Deal found 9/18$307
This CheapOair deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sáb 9/285:20 pmSTL - BWI
1 stop19h 21mMultiple Airlines
seg 9/3012:20 pmBWI - STL
1 stop24h 20mMultiple Airlines
Deal found 9/19$339
This Southwest deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 9/268:25 pmSTL - BWI
Nonstop2h 00mSouthwest
sáb 9/286:40 amBWI - STL
1 stop4h 30mSouthwest
Deal found 9/17$483

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 3,055,650 searches. Data last updated setembro 19, 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.
This Frontier deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qui 10/39:43 amSTL - BWI
1 stop8h 10mFrontier
Deal found 9/19$54
This American Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 11/197:05 amSTL - BWI
1 stop5h 06mAmerican Airlines
Deal found 9/17$79
This Delta deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 10/166:05 amSTL - BWI
1 stop5h 39mDelta
Deal found 9/18$88
This FareScan deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FareScan is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 10/155:11 pmSTL - BWI
2 stops20h 59mSpirit Airlines
Deal found 9/19$95
This Southwest deal was found by Cheapflights users on 9/18. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ter 11/1911:55 amSTL - BWI
2 stops6h 15mSouthwest
Deal found 9/18$103
This United Airlines deal was found by Cheapflights users on 9/17. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sex 11/296:30 amSTL - BWI
1 stop6h 17mUnited Airlines
Deal found 9/17$141
This Mytrip deal was found by Cheapflights users on 9/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
qua 11/2012:15 pmSTL - BWI
3 stops19h 18mMultiple Airlines
Deal found 9/19$162

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 3,055,650 searches. Data last updated setembro 19, 2024.

Fly from

Any airport

Fly to

Any airport

Budget

$118 - $244

Route

Depart

Return

Price

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

qui 10/3

1 stop8h 10m

Baltimore/Washington

qui 10/10

1 stop27h 12m

$118

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

qua 10/23

1 stop26h 15m

Baltimore/Washington

ter 10/29

1 stop10h 51m

$157

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

qua 10/16

1 stop6h 45m

Baltimore/Washington

sex 10/18

1 stop5h 49m

$158

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

qua 10/9

1 stop4h 29m

Baltimore/Washington

sáb 10/19

1 stop4h 18m

$176

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

sáb 10/12

1 stop7h 32m

Baltimore/Washington

ter 10/15

1 stop4h 27m

$225

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

sex 10/18

1 stop11h 14m

Baltimore/Washington

seg 10/21

1 stop29h 06m

$231

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

qua 10/16

2 stops5h 30m

Baltimore/Washington

sáb 10/19

1 stop4h 20m

$244

Flights are sorted by cheapest first

Deals found on 9/18

Compare providers for flights from St. Louis to Baltimore

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from St. Louis to Baltimore in September.
ProviderPrice AccuracyTrust Score*Cancellation Policy
ExpediaPrice Accuracy2 starsTrust Score*3 starsCancellation PolicyAirline Policy
FlightHubPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
eDreamsPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
PricelinePrice Accuracy1 starTrust Score*3 starsCancellation PolicyAirline Policy
FareScanPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyNo Information
CheapflightsfaresPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
CheapOairPrice Accuracy2 starsTrust Score*3 starsCancellation PolicyAirline Policy
MytripPrice Accuracy3 starsTrust Score*3 starsCancellation PolicyAirline Policy
CheapfaremartPrice Accuracy-Trust Score*3 starsCancellation PolicyAirline Policy

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on St. Louis-Baltimore flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on St. Louis-Baltimore flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from St. Louis-Baltimore flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on St. Louis-Baltimore flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for St. Louis-Baltimore flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

Travel insights for flights from St. Louis to Baltimore

Get recent, data-driven insights about flights from St. Louis to Baltimore including ideal travel times, pricing trends, and more.

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 September 13, 2024.

Booking 32 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.

Find deals

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

Currently, February is the cheapest month in which you can book a flight from St. Louis to Baltimore (average of $99). Flying from St. Louis to Baltimore in January is currently the most expensive (average of $202). 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.

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

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 setembro 19, 2024.

It’s typically best to fly out from St. Louis to Baltimore in the evening. Doing so could potentially save you 23% on the flight price compared to flying at noon, which is usually more expensive.

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

Our users search for these airlines the most when looking for flights from St. Louis to Baltimore. Data last updated on setembro 19, 2024.

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

Delta

Delta

From $214

American Airlines

American Airlines

From $166

Frontier

Frontier

From $98

Southwest

Southwest

From $291

Rainfall in Baltimore by month

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

In terms of precipitation, rainfall in Baltimore ranges from 2.9 - 4.1 inches per month. July is typically the wettest month, when rainfall can reach 4.1 in. February is typically the driest time to visit Baltimore when rainfall is around 2.9 in.

Temperature in Baltimore by month

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

If weather is an important factor for your trip to Baltimore, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 77.0 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 33.8 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 setembro 19, 2024.
Read reviews from past customers who have flown Frontier, American Airlines and Delta 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
5,315 reviews

Overall

8.2

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Southwest
8.2
Very good
5,315 reviews
Southwest
8.2
Very good
5,315 reviews

Overall

8.2

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Delta
8.0
Very good
9,069 reviews
Southwest
8.2
Very good
5,315 reviews

Overall

8.2

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

United Airlines
7.4
Good
9,524 reviews
Southwest
8.2
Very good
5,315 reviews

Overall

8.2

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

American Airlines
7.3
Good
10,000 reviews
Southwest
8.2
Very good
5,315 reviews

Overall

8.2

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

Spirit Airlines
6.3
Okay
8,264 reviews
Southwest
8.2
Very good
5,315 reviews

Overall

8.2

Entertainment

7.8

Boarding

8.3

Comfort

8.1

Crew

8.7

Food

7.3

Reviews

1 / 10

Great service throughout our flight. Easy boarding with early bird check in

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 3 daily flights to Baltimore from 6 different airlines. 1h 55m 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 Frontier for just $118, but on average you can expect to pay $187.

  • Are there nonstop flights from St. Louis to Baltimore for under $300 on Cheapflights?

    Cheapflights has at least 10 direct flights from St. Louis to Baltimore under $300. A good price for a nonstop flight from St. Louis to Baltimore is less than $445.

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

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

  • How popular is this St. Louis to Baltimore flight route?

    Within the past month, 2 users have taken a look at flights from Lambert-St Louis to Baltimore/Washington.

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

    Frontier, at $118, was found to be the cheapest airline from St. Louis to Baltimore.Alternate airlines to your destination round-trip include American Airlines and Delta. Frontier 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 Frontier. According to our data, you can fly for as low as $54. Users have also found prices from $79 and $88 on American Airlines and Delta, respectively.

  • What are the cheapest flights from St. Louis to Baltimore?

    The cheapest flight price from St. Louis to Baltimore is $172. On average you can expect to pay $306. The most popular route, (Lambert-St Louis - Baltimore/Washington), can usually be booked for $157.

  • 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 9/18.

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

    Currently, February is the cheapest month in which you can book a flight from St. Louis to Baltimore (average of $99). Flying from St. Louis to Baltimore in January is currently the most expensive (average of $202). 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.

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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 6 airlines flying from St. Louis to Baltimore

Discover the top 6 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 3,055,650 searches. Data last updated setembro 19, 2024.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$98Average$154FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$158Average$239FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$166Average$381FlexibilityNo cancel feeOn-time71%
DeltaCheapest$214Average$361FlexibilityNo cancel feeOn-timeN/A
SouthwestCheapest$291Average$373FlexibilityNo cancel feeOn-time63%
United AirlinesCheapest$314Average$360FlexibilityNo cancel feeOn-time69%
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