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

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

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

Travelers can expect 2 flights from St. Louis to Baltimore on average per day. Early Morning (Midnight to 6am) - 50% of flight departures Morning (6am - Noon) - 50% 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 9h 55m. Fly via Spirit Airlines, Sun Country Air, or Frontier to get the fastest option. The distance between St. Louis and Baltimore is about 739 mi. This flight may include one or multiple stops.

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

Spirit Airlines, at $214, was found to be the cheapest airline from St. Louis to Baltimore.Alternate airlines to your destination round-trip include Sun Country Air and Frontier. Spirit Airlines is 38% 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 $105. Users have also found prices from $112 and $113 on American Airlines and Sun Country Air, 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.

Can I find flights from St. Louis to Baltimore for under $300 on Cheapflights?

Yes, there are multiple flights from St. Louis to Baltimore for under $300. The cheapest flight booked recently is on Spirit Airlines for just $214, but on average you can expect to pay $248.

Are there last-minute flights available from St. Louis to Baltimore for under $300?

There are currently 20+ open flights from St. Louis to Baltimore within the next 7 days for less than $300.

Which airlines flying from Lambert-St Louis to Baltimore/Washington have flexible cancellations due to COVID-19?

American Airlines, Delta, and Frontier are some of the carriers that may have flexible cancellation policies. You can use our site to filter for other airlines that may also have this kind of flexibility.

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 191% when planning your travel around this day of the week.

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

February can be a great time to fly to Baltimore from St. Louis with a flight ticket averaging about $332. Cheapflights users have found deals in the month of February for as cheap as $202. 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 afternoon. Doing so could potentially save you 49% on the flight price compared to flying at noon, which is usually more expensive.

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. 0h 28m is how long a flight from St. Louis to Baltimore/Washington will take if you book a nonstop flight.

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.

Flights from St. Louis, MO to Baltimore, MD from $105

How to find the cheapest flight from St. Louis (STL) to Baltimore (BWI)

Popular in	June
Cheapest in	October
Round-trip from	$218
One-way from	$113

High demand for flights, 22% potential price rise

Search Deals

Best time to find cheap flights, 38% 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

STL - BWI Price	$218 - $446
BWI Temperature	33.8 - 77 °F
BWI Rainfall	2.9 - 4.1 inches

STL - BWI

Price

$218 - $446

BWI

Temperature

33.8 - 77 °F

BWI

Rainfall

2.9 - 4.1 inches

Travelers have found it’s best to book a flight 26 days in advance to save up to 30% 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 26 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 $359, or $433 for flights within the next 24 hours.

Cheap flights from St. Louis to Baltimore in May, June 2023

Check out some of the best flight deals from St. Louis to Baltimore in 2023. More deals are always being added, so be sure to check back regularly.

Jun 28 - Jul 5

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

9h 55m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

6h 43m

$214

Spirit Airlines

Deal found 5/29

Jun 22 - Jun 27

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

14h 12m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

21h 12m

$221

Multiple Airlines

Deal found 5/29

Jun 12 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

2 stops

19h 36m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

6h 58m

$228

Multiple Airlines

Deal found 5/29

Jun 7 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

6h 58m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

6h 58m

$233

Multiple Airlines

Deal found 5/29

Jun 9 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

21h 47m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

6h 58m

$235

Spirit Airlines

Deal found 5/29

Jun 7 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

6h 58m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

19h 15m

$241

Multiple Airlines

Deal found 5/29

Jun 23 - Jun 26

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

6h 58m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

25h 29m

$242

Multiple Airlines

Deal found 5/30

Jun 11 - Jun 13

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

25h 29m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

14h 44m

$243

Spirit Airlines

Deal found 5/29

Jun 11 - Jun 13

STL

Lambert-St Louis

BWI

Baltimore/Washington

2 stops

21h 26m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

14h 44m

$244

Spirit Airlines

Deal found 5/29

St. Louis to Baltimore 2023 flight deals

Check out some of the best flight deals from St. Louis to Baltimore in 2023. More deals are always being added, so be sure to check back regularly.

Jun 28 - Jul 5

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

9h 55m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

6h 43m

$214

Spirit Airlines

Deal found 5/29

Jun 22 - Jun 27

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

14h 12m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

21h 12m

$221

Multiple Airlines

Deal found 5/29

Jun 12 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

2 stops

19h 36m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

6h 58m

$228

Multiple Airlines

Deal found 5/29

Jun 7 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

6h 58m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

6h 58m

$233

Multiple Airlines

Deal found 5/29

Jun 9 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

21h 47m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

6h 58m

$235

Spirit Airlines

Deal found 5/29

Jun 7 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

6h 58m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

19h 15m

$241

Multiple Airlines

Deal found 5/29

Jun 23 - Jun 26

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

6h 58m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

25h 29m

$242

Multiple Airlines

Deal found 5/30

Jun 11 - Jun 13

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

25h 29m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

14h 44m

$243

Spirit Airlines

Deal found 5/29

Jun 11 - Jun 13

STL

Lambert-St Louis

BWI

Baltimore/Washington

2 stops

21h 26m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

14h 44m

$244

Spirit Airlines

Deal found 5/29

Cheap Spirit Airlines flights from St. Louis to Baltimore

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.

Jun 28 - Jul 5

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

9h 55m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

6h 43m

$214

Spirit Airlines

Deal found 5/29

Jun 9 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

21h 47m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

6h 58m

$235

Spirit Airlines

Deal found 5/29

Jun 11 - Jun 13

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

25h 29m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

14h 44m

$243

Spirit Airlines

Deal found 5/29

Jun 11 - Jun 13

STL

Lambert-St Louis

BWI

Baltimore/Washington

2 stops

21h 26m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

14h 44m

$244

Spirit Airlines

Deal found 5/29

Jun 13 - Jun 20

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

28h 24m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

14h 44m

$250

Spirit Airlines

Deal found 5/29

Jun 12 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

24h 49m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

6h 58m

$255

Spirit Airlines

Deal found 5/29

Jun 9 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

21h 47m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

18h 59m

$260

Spirit Airlines

Deal found 5/29

Jun 10 - Jun 13

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

8h 59m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

13h 05m

$265

Spirit Airlines

Deal found 5/29

Jun 14 - Jun 21

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

23h 38m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

18h 59m

$268

Spirit Airlines

Deal found 5/29

Cheap Frontier flights from St. Louis to Baltimore

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.

Aug 2 - Aug 7

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

22h 35m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

17h 45m

$248

Frontier

Deal found 5/30

Jul 17 - Jul 21

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

8h 29m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

17h 59m

$258

Frontier

Deal found 5/29

Jun 4 - Jun 9

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

13h 07m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

11h 53m

$270

Frontier

Deal found 5/29

Jun 5 - Jun 7

STL

Lambert-St Louis

BWI

Baltimore/Washington

2 stops

26h 13m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

28h 23m

$348

Frontier

Deal found 5/29

Jun 8 - Jun 10

STL

Lambert-St Louis

BWI

Baltimore/Washington

2 stops

15h 39m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

22h 43m

$392

Frontier

Deal found 5/29

Jun 5 - Jun 9

STL

Lambert-St Louis

BWI

Baltimore/Washington

2 stops

21h 14m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

19h 12m

$395

Frontier

Deal found 5/28

Jun 4 - Jun 8

STL

Lambert-St Louis

BWI

Baltimore/Washington

2 stops

16h 08m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

26h 29m

$401

Frontier

Deal found 5/29

Last minute flights from St. Louis to Baltimore

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.

Jun 7 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

6h 58m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

6h 58m

$233

Multiple Airlines

Deal found 5/29

Jun 9 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

21h 47m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

6h 58m

$235

Spirit Airlines

Deal found 5/29

Jun 7 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

6h 58m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

19h 15m

$241

Multiple Airlines

Deal found 5/29

Jun 9 - Jun 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

21h 47m

BWI

Baltimore/Washington

STL

Lambert-St Louis

2 stops

18h 59m

$260

Spirit Airlines

Deal found 5/29

Jun 4 - Jun 9

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

13h 07m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

11h 53m

$270

Frontier

Deal found 5/29

Jun 5 - Jun 9

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

17h 00m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

16h 07m

$274

Multiple Airlines

Deal found 5/28

Jun 9 - Jun 11

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

12h 37m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

11h 13m

$282

Multiple Airlines

Deal found 5/29

Jun 7 - Jun 11

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

9h 55m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

11h 13m

$286

Spirit Airlines

Deal found 5/30

Jun 5 - Jun 7

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

17h 00m

BWI

Baltimore/Washington

STL

Lambert-St Louis

1 stop

18h 59m

$292

Multiple Airlines

Deal found 5/29

One-way flights to Baltimore from St. Louis

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.

Jun 20

STL

Lambert-St Louis

BWI

Baltimore/Washington

2 stops

19h 41m

$105

Spirit Airlines

Deal found 5/28

Sep 7

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

6h 56m

$112

American Airlines

Deal found 5/29

Sep 17

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

15h 02m

$113

Sun Country Air

Deal found 5/28

Jun 9

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

12h 37m

$120

Frontier

Deal found 5/29

Jul 10

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

8h 29m

$121

Frontier

Deal found 5/29

Jul 2

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

4h 26m

$127

American Airlines

Deal found 5/29

Jun 5

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

17h 00m

$128

Spirit Airlines

Deal found 5/29

Jul 14

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

8h 11m

$131

Frontier

Deal found 5/29

Jun 20

STL

Lambert-St Louis

BWI

Baltimore/Washington

1 stop

28h 24m

$137

Spirit Airlines

Deal found 5/28

Find flights from St. Louis to Baltimore within your budget

Fly from

Fly to

Budget

$214 - $258

Route

Depart

Return

Price

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Wed 6/28

1 stop9h 55m

Baltimore/Washington

Wed 7/5

1 stop6h 43m

$214

Pick Dates

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Thu 6/22

1 stop14h 12m

Baltimore/Washington

Tue 6/27

1 stop21h 12m

$221

Pick Dates

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Mon 6/12

2 stops19h 36m

Baltimore/Washington

Wed 6/14

1 stop6h 58m

$228

Pick Dates

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Fri 6/9

1 stop21h 47m

Baltimore/Washington

Wed 6/14

1 stop6h 58m

$235

Pick Dates

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Fri 6/23

1 stop6h 58m

Baltimore/Washington

Mon 6/26

1 stop20h 51m

$242

Pick Dates

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Fri 8/18

1 stop15h 20m

Baltimore/Washington

Sun 8/20

1 stop10h 40m

$245

Pick Dates

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Wed 8/2

1 stop22h 35m

Baltimore/Washington

Mon 8/7

1 stop17h 45m

$248

Pick Dates

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Wed 6/28

1 stop6h 32m

Baltimore/Washington

Sun 7/2

1 stop4h 39m

$257

Pick Dates

Lambert-St LouisBaltimore/Washington

STL - BWI

STLBWI

Lambert-St Louis

Mon 7/17

1 stop8h 29m

Baltimore/Washington

Fri 7/21

1 stop17h 59m

$258

Pick Dates

Flights are sorted by cheapest first

Deals found on 5/29

Reviews of Airlines Servicing Baltimore

Read reviews from past customers who have flown Spirit Airlines, Frontier 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.

Delta

8.0

Very good

2,363 reviews

Check prices

Reviews

1 / 10

Flights were on time with no delays, luggage arrived with the flight. I know the flights were short, but the only drinks offered were water, tea and coffee. It would’ve been nice to have the option to choose a soda, especially since I was in comfort class. The snacks were very small.

Delta

8.0

Very good

2,363 reviews

Delta

8.0

Very good

2,363 reviews

Check prices

Reviews

1 / 10

Flights were on time with no delays, luggage arrived with the flight. I know the flights were short, but the only drinks offered were water, tea and coffee. It would’ve been nice to have the option to choose a soda, especially since I was in comfort class. The snacks were very small.

Sun Country Air

7.4

Good

84 reviews

Delta

8.0

Very good

2,363 reviews

Check prices

Reviews

1 / 10

Flights were on time with no delays, luggage arrived with the flight. I know the flights were short, but the only drinks offered were water, tea and coffee. It would’ve been nice to have the option to choose a soda, especially since I was in comfort class. The snacks were very small.

American Airlines

7.4

Good

2,147 reviews

Delta

8.0

Very good

2,363 reviews

Check prices

Reviews

1 / 10

Flights were on time with no delays, luggage arrived with the flight. I know the flights were short, but the only drinks offered were water, tea and coffee. It would’ve been nice to have the option to choose a soda, especially since I was in comfort class. The snacks were very small.

Spirit Airlines

6.6

Okay

1,027 reviews

Delta

8.0

Very good

2,363 reviews

Check prices

Reviews

1 / 10

Flights were on time with no delays, luggage arrived with the flight. I know the flights were short, but the only drinks offered were water, tea and coffee. It would’ve been nice to have the option to choose a soda, especially since I was in comfort class. The snacks were very small.

Frontier

5.9

Fair

663 reviews

Delta

8.0

Very good

2,363 reviews

Check prices

Reviews

1 / 10

Flights were on time with no delays, luggage arrived with the flight. I know the flights were short, but the only drinks offered were water, tea and coffee. It would’ve been nice to have the option to choose a soda, especially since I was in comfort class. The snacks were very small.

Related info for your journey

Top 5 airlines flying from St. Louis to Baltimore

Airline	Cheapest	Average	Flexibility	On-time	COVID-19 safety
Spirit Airlines	Cheapest$105	Average$188	FlexibilityNo cancel fee	On-time65%	COVID-19 safety	Search Spirit Airlines flights
Frontier	Cheapest$164	Average$214	FlexibilityNo cancel fee	On-time62%	COVID-19 safety	Search Frontier flights
United Airlines	Cheapest$202	Average$388	FlexibilityNo cancel fee	On-time69%	COVID-19 safety	Search United Airlines flights
American Airlines	Cheapest$242	Average$382	FlexibilityNo cancel fee	On-time71%	COVID-19 safety	Search American Airlines flights
Delta	Cheapest$264	Average$393	FlexibilityNo cancel fee	On-timeN/A	COVID-19 safety	Search Delta flights

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Hourly flight availability from St. Louis to Baltimore

40%of flight departures	Early morningMidnight to 6 am
0%of flight departures	Morning6 am to noon
40%of flight departures	AfternoonNoon to 6 pm
20%of flight departures	Evening6 pm to midnight

Midnight

6 AM

Noon

6 PM

Weekly flight availability from St. Louis to Baltimore

Sunday	6daily flights
Monday	7daily flights
Tuesday	7daily flights
Wednesday	7daily flights
Thursday	7daily flights
Friday	7daily flights
Saturday	3daily flights

Cheap flights from St. Louis to Baltimore (STL - BWI) from $105

This is the cheapest one-way flight price, found on 5/28. Prices may vary by date and flight preferences.

The best prices from Lambert-St Louis to Baltimore/Washington are usually found in October or September, booked 41 days in advance, depart on a Tuesday or Wednesday and return on a Wednesday

How to find the cheapest flight from St. Louis (STL) to Baltimore (BWI)

All the information you need to plan the best STL to BWI flight in 2023: compare St. Louis to Baltimore flight prices with the expected peak season, weather and rainfall in Baltimore.

Popular in

Cheapest in

Round-trip from

One-way from

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

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

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

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

Cheap flights from St. Louis to Baltimore in May, June 2023

The best prices found for STL to BWI flights for May, June

Check out some of the best flight deals from St. Louis to Baltimore in 2023. More deals are always being added, so be sure to check back regularly.

St. Louis to Baltimore 2023 flight deals

Cheap flights to Baltimore from St. Louis found for this year

Check out some of the best flight deals from St. Louis to Baltimore in 2023. More deals are always being added, so be sure to check back regularly.

Cheap Spirit Airlines flights from St. Louis to Baltimore

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.

Cheap Frontier flights from St. Louis to Baltimore

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.

Last minute flights from St. Louis to Baltimore

Late deals on return flights to Baltimore from St. Louis, departing today and this week

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One-way flights to Baltimore from St. Louis

The cheapest one-way flights from St. Louis to Baltimore

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.

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Reviews of Airlines Servicing Baltimore

Read reviews from past customers who have flown Spirit Airlines, Frontier 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.

Related info for your journey

Useful info, stats and facts about St. Louis to Baltimore flights.

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Top 5 airlines flying from St. Louis to Baltimore

The chart below displays the airlines Cheapflights users traveling from St. Louis to Baltimore choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.

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