There are 7 ways to get from St. Louis to Baltimore Airport (BWI) by plane, train, subway, bus or car

Select an option below to see step-by-step directions and to compare ticket prices and travel times in Rome2rio's travel planner.

Recommended option

Fly to Baltimore  •  3 h 21 min

  1. Fly from St. Louis (STL) to Baltimore (BWI) STL - BWI

$142 - $372

Cheapest option

Bus  •  22 h 13 min

  1. Take the bus from St Louis, Mo to Harrisburg, Pa 1612 / ...
  2. Take the bus from Harrisburg, Pa to Baltimore Downtown, Md 4695 / ...

$93 - $229

5 alternative options

Fly to Reagan Washington, train  •  4 h 46 min

  1. Fly from St. Louis (STL) to Reagan Washington (DCA) STL - DCA
  2. Take the train from Washington Union Station Amtrak to BWI Marshall Airport Amtrak

$192 - $544

Fly to Washington Dulles, subway, train  •  5 h 53 min

  1. Fly from St. Louis (STL) to Washington Dulles (IAD) STL - IAD
  2. Take the subway from L'ENFANT PLAZA station to NEW CARROLLTON station
  3. Take the train from New Carrollton Amtrak to BWI Marshall Airport Amtrak

$146 - $580

Train via Washington Union Station Amtrak  •  25 h 1 min

  1. Take the train from St. Louis Gateway Station Amtrak to Chicago Union Station Amtrak
  2. Take the train from Chicago Union Station Amtrak to Washington Union Station Amtrak
  3. Take the train from Washington Union Station Amtrak to BWI Marshall Airport Amtrak

$206 - $593

Train  •  32 h 15 min

  1. Take the train from St. Louis Gateway Station Amtrak to Chicago Union Station Amtrak Lincoln Service / ...
  2. Take the train from Chicago Union Station Amtrak to Baltimore Penn Station Amtrak Cardinal

$173 - $500

Drive  •  13 h 59 min

  1. Drive from St. Louis to Baltimore Airport (BWI) 822.8 miles

$80 - $120

Questions & Answers

The cheapest way to get from St. Louis to Baltimore Airport (BWI) is to drive which costs $80 - $120 and takes 13 h 59 min.

More details

The quickest way to get from St. Louis to Baltimore Airport (BWI) is to fly which costs $140 - $380 and takes 3 h 21 min.

More details

The distance between St. Louis and Baltimore Airport (BWI) is 732 miles. The road distance is 822.8 miles.

Get driving directions

It takes approximately 3 h 21 min to get from St. Louis to Baltimore Airport (BWI), including transfers.

More details

What companies run services between St. Louis, MO, USA and Baltimore Airport (BWI), USA?

Southwest Airlines, Delta and two other airlines fly from St. Louis to Baltimore Airport (BWI) hourly. Alternatively, you can take a bus from St. Louis to Baltimore Airport (BWI) via Harrisburg, Pa, Baltimore Downtown, Md, HAINES ST & WARNER ST wb, Patapsco Light Rail Station Bay 2, and PATAPSCO & LIGHT RAIL STAT sb in around 22 h 13 min.

Airlines
Southwest Airlines
Website
southwest.com
Flights from St. Louis to Baltimore
Ave. Duration
1 h 57 min
When
Every day
Estimated price
$310 - $850
Flights from St. Louis to Baltimore via Chicago Midway
Ave. Duration
3 h 37 min
When
Monday, Tuesday, Wednesday, Thursday, Friday and Sunday
Estimated price
$310 - $850
Flights from St. Louis to Reagan Washington
Ave. Duration
1 h 54 min
When
Every day
Estimated price
$280 - $850
Flights from St. Louis to Reagan Washington via Chicago Midway
Ave. Duration
3 h 42 min
When
Monday to Friday
Estimated price
$280 - $850
American Airlines
Website
aa.com
Flights from St. Louis to Reagan Washington
Ave. Duration
2 h 14 min
When
Every day
Estimated price
$180 - $800
Flights from St. Louis to Washington Dulles via Charlotte
Ave. Duration
4 h 40 min
When
Every day
Estimated price
$250 - $1,000
United Airlines
Website
united.com
Flights from St. Louis to Washington Dulles
Ave. Duration
2 h 2 min
When
Every day
Estimated price
$230 - $800
Flights from St. Louis to Washington Dulles via Chicago O'Hare
Ave. Duration
4 h 21 min
When
Every day
Estimated price
$230 - $800
Flights from St. Louis to Washington Dulles via Newark
Ave. Duration
4 h 54 min
When
Saturday
Estimated price
$230 - $800
Delta
Website
delta.com
Flights from St. Louis to Washington Dulles via Atlanta
Ave. Duration
4 h 24 min
When
Every day
Estimated price
$230 - $800
Flights from St. Louis to Washington Dulles via Detroit
Ave. Duration
4 h 18 min
When
Every day
Estimated price
$230 - $800
Flights from St. Louis to Washington Dulles via Minneapolis
Ave. Duration
4 h 55 min
When
Every day
Estimated price
$230 - $800
Train operators
Amtrak Acela Express
Rome2rio's guide to Amtrak Acela Express
Contact Details
Phone
+1 1-800-872-7245
Website
amtrak.com
Train from Washington Union Station Amtrak to BWI Marshall Airport Amtrak
Ave. Duration
20 min
Frequency
Hourly
Estimated price
$55 - $150
Website
amtrak.com
Business Seat
$55 - $140
First Class Seat
$120 - $150
Metro Washington DC
Phone
202-637-7000
Website
wmata.com
Subway from L'ENFANT PLAZA station to NEW CARROLLTON station
Ave. Duration
25 min
Frequency
Every 15 minutes
Estimated price
$2 - $4
Schedules at
wmata.com
Amtrak Northeast Regional
Rome2rio's guide to Amtrak Northeast Regional
Contact Details
Phone
+1 1-800-872-7245
Website
amtrak.com
Train from New Carrollton Amtrak to BWI Marshall Airport Amtrak
Ave. Duration
15 min
Frequency
Hourly
Estimated price
$65 - $180
Website
amtrak.com
Coach Seat
$65 - $110
Business Seat
$95 - $180
Maryland Transit
Phone
1-866-743-3682
Website
mta.maryland.gov
Train from NEW CARROLLTON MARC nb to BWI RAIL STATION MARC nb
Ave. Duration
26 min
Frequency
Every 4 hours
Estimated price
$3 - $6
Schedules at
mta.maryland.gov
Amtrak
Rome2rio's guide to Amtrak
Contact Details
Phone
+1 1-800-872-7245
Website
amtrak.com
Train from St. Louis Gateway Station Amtrak to Chicago Union Station Amtrak
Ave. Duration
5 h 40 min
Frequency
Every 4 hours
Estimated price
$50 - $130
Website
amtrak.com
Coach Seat
$50 - $75
Flexi Coach Seat
$90 - $130
Business Coach Seat
$90 - $130
Room
$230 - $320
Train from Chicago Union Station Amtrak to Washington Union Station Amtrak
Ave. Duration
17 h 25 min
Frequency
Once daily
Estimated price
$100 - $310
Website
amtrak.com
Coach Seat
$100 - $160
Flexi Coach Seat
$190 - $280
Business Coach Seat
$220 - $310
Room
$440 - $600
Train from Chicago Union Station Amtrak to Baltimore Penn Station Amtrak
Ave. Duration
24 h 31 min
Frequency
3 times a week
Estimated price
$120 - $370
Website
amtrak.com
Coach Seat
$120 - $190
Flexi Coach Seat
$220 - $330
Business Coach Seat
$260 - $370
Room
$500 - $700
Bus operators
Greyhound USA
Rome2rio's guide to Greyhound USA
Contact Details
Phone
+1 214-849-8100/1-800-231-2222
Email
ifsr@greyhound.com
Website
greyhound.com
Bus from St Louis, Mo to Harrisburg, Pa
Ave. Duration
18 h 25 min
Frequency
Hourly
Estimated price
$75 - $190
Website
greyhound.com
Economy
$75 - $130
Flexible
$140 - $190
Bus from Harrisburg, Pa to Baltimore Downtown, Md
Ave. Duration
2 h
Frequency
Hourly
Estimated price
$14 - $35
Website
greyhound.com
Economy
$14 - $21
Flexible
$25 - $35

Want to know more about travelling around United States

Rome2rio's Travel Guide series provide vital information for the global traveller. Filled with useful and timely travel information, the guides answer all the hard questions - such as 'How do I buy a ticket?', 'Should I book online before I travel? ', 'How much should I expect to pay?', 'Do the trains and buses have Wifi?' - to help you get the most out of your next trip.