76 destinations have scheduled flights from BWI, about 1,907 departures a week. Weekly frequencies come from airline schedules and observed departures, not live status.
| Destination | Flights per week | Airlines | Typical duration |
|---|---|---|---|
| Hartsfield Jackson Atlanta International Airport (ATL) | 88 | Delta Air Lines, Southwest Airlines Co., Frontier Airlines, Inc., Air Transport International Inc. | — |
| Orlando International Airport (MCO) | 82 | Southwest Airlines Co., Frontier Airlines, Inc., Spirit Airlines | — |
| Tampa International Airport (TPA) | 64 | Southwest Airlines Co., Frontier Airlines, Inc. | — |
| Boston Logan International Airport (BOS) | 60 | Southwest Airlines Co., Delta Air Lines | — |
| Charlotte Douglas International Airport (CLT) | 56 | American Airlines, Southwest Airlines Co., Frontier Airlines, Inc. | — |
| Miami International Airport (MIA) | 49 | Southwest Airlines Co., Star Up S.A. dba Star Peru, American Airlines, Envoy Air Inc., Frontier Airlines, Inc. | — |
| Denver International Airport (DEN) | 45 | Southwest Airlines Co., Albatross Airlines | — |
| Fort Lauderdale Hollywood International Airport (FLL) | 44 | Southwest Airlines Co., Spirit Airlines, Frontier Airlines, Inc. | — |
| Nashville International Airport (BNA) | 43 | Southwest Airlines Co., MN Airlines LLC | — |
| Raleigh-Durham International Airport (RDU) | 42 | Southwest Airlines Co. | — |
| Bradley International Airport (BDL) | 37 | Southwest Airlines Co. | — |
| Jacksonville International Airport (JAX) | 37 | Southwest Airlines Co. | — |
| Sarasota Bradenton International Airport (SRQ) | 37 | Southwest Airlines Co. | — |
| Detroit Metropolitan Wayne County Airport (DTW) | 36 | Delta Air Lines, Southwest Airlines Co., Frontier Airlines, Inc. | — |
| Manchester-Boston Regional Airport (MHT) | 36 | Southwest Airlines Co. | — |
| Dallas Love Field (DAL) | 34 | Southwest Airlines Co. | — |
| George Bush Intercontinental Airport (IAH) | 34 | Albatross Airlines, Air Transport International Inc., Spirit Airlines, Frontier Airlines, Inc. | — |
| Palm Beach International Airport (PBI) | 34 | Southwest Airlines Co. | — |
| Harry Reid International Airport (LAS) | 32 | Southwest Airlines Co. | — |
| Chicago O'Hare International Airport (ORD) | 32 | Envoy Air Inc., Albatross Airlines, Frontier Airlines, Inc. | — |
| Portland International Jetport (PWM) | 32 | Southwest Airlines Co. | — |
| William P. Hobby Airport (HOU) | 31 | Southwest Airlines Co. | — |
| Buffalo Niagara International Airport (BUF) | 30 | Southwest Airlines Co. | — |
| Phoenix Sky Harbor International Airport (PHX) | 30 | Southwest Airlines Co., MN Airlines LLC | — |
| Southwest Florida International Airport (RSW) | 30 | Southwest Airlines Co. | — |
| Albany International Airport (ALB) | 29 | Southwest Airlines Co. | — |
| Indianapolis International Airport (IND) | 29 | Southwest Airlines Co., Four Island Air | — |
| Minneapolis–Saint Paul International Airport / Wold–Chamberlain Field (MSP) | 29 | Delta Air Lines, Southwest Airlines Co. | — |
| Dallas Fort Worth International Airport (DFW) | 28 | American Airlines, Frontier Airlines, Inc. | — |
| Rhode Island T. F. Green International Airport (PVD) | 28 | Southwest Airlines Co. | — |
| Los Angeles International Airport (LAX) | 27 | Southwest Airlines Co., Albatross Airlines | — |
| Austin Bergstrom International Airport (AUS) | 26 | Southwest Airlines Co. | — |
| Cincinnati Northern Kentucky International Airport (CVG) | 26 | Southwest Airlines Co., Air Transport International Inc. | — |
| Chicago Midway International Airport (MDW) | 25 | Southwest Airlines Co. | — |
| St. Louis Lambert International Airport (STL) | 25 | Southwest Airlines Co. | — |
| Charleston International Airport (CHS) | 24 | Southwest Airlines Co. | — |
| Louis Armstrong New Orleans International Airport (MSY) | 24 | Southwest Airlines Co. | — |
| John Glenn Columbus International Airport (CMH) | 23 | Southwest Airlines Co. | — |
| Norfolk International Airport (ORF) | 23 | Southwest Airlines Co. | — |
| Frederick Douglass Greater Rochester International Airport (ROC) | 23 | Southwest Airlines Co. | — |
| San Diego International Airport (SAN) | 23 | Southwest Airlines Co. | — |
| Cleveland Hopkins International Airport (CLE) | 22 | Southwest Airlines Co. | — |
| Long Island MacArthur Airport (ISP) | 22 | Southwest Airlines Co. | — |
| Pittsburgh International Airport (PIT) | 22 | Southwest Airlines Co. | — |
| Myrtle Beach International Airport (MYR) | 21 | Southwest Airlines Co. | — |
| Savannah Hilton Head International Airport (SAV) | 21 | Southwest Airlines Co. | — |
| Greenville-Spartanburg International Airport (GSP) | 19 | Southwest Airlines Co. | — |
| San Francisco International Airport (SFO) | 19 | Southwest Airlines Co., Albatross Airlines | — |
| Luis Munoz Marin International Airport (SJU) | 19 | Southwest Airlines Co., Frontier Airlines, Inc. | — |
| Kansas City International Airport (MCI) | 18 | Southwest Airlines Co., MN Airlines LLC | — |
| Louisville Muhammad Ali International Airport (SDF) | 17 | Southwest Airlines Co., UPS Airlines | — |
| Cancún International Airport (CUN) | 16 | Southwest Airlines Co., Frontier Airlines, Inc. | — |
| General Mitchell International Airport (MKE) | 15 | Southwest Airlines Co. | — |
| San Antonio International Airport (SAT) | 14 | Southwest Airlines Co. | — |
| Richmond International Airport (RIC) | 13 | Southwest Airlines Co. | — |
| Sacramento International Airport (SMF) | 13 | Southwest Airlines Co. | — |
| Ontario International Airport (ONT) | 12 | Southwest Airlines Co. | — |
| Destin-Fort Walton Beach Airport (VPS) | 12 | Southwest Airlines Co. | — |
| Albuquerque International Sunport (ABQ) | 11 | Southwest Airlines Co. | — |
| Frederick W. Smith International Airport (MEM) | 11 | Southwest Airlines Co., Four Island Air | — |
| McGhee Tyson Airport (TYS) | 11 | Southwest Airlines Co. | — |
| Gerald R. Ford International Airport (GRR) | 10 | Southwest Airlines Co. | — |
| Keflavik International Airport (KEF) | 10 | Icelandair | — |
| Salt Lake City International Airport (SLC) | 10 | Southwest Airlines Co. | — |
| Wilmington Airpark (ILN) | 7 | Air Transport International Inc. | — |
| London Heathrow Airport (LHR) | 7 | British Airways | — |
| Sangster International Airport (MBJ) | 7 | Southwest Airlines Co. | — |
| Seattle–Tacoma International Airport (SEA) | 7 | Alaska Airlines | — |
| Mineta San Jose International Airport (SJC) | 7 | Southwest Airlines Co. | — |
| Eugene F. Kranz Toledo Express Airport (TOL) | 7 | MN Airlines LLC | — |
| Birmingham-Shuttlesworth International Airport (BHM) | 6 | Southwest Airlines Co. | — |
| Tocumen International Airport (PTY) | 5 | COPA Airlines | — |
| Tweed New Haven Airport (HVN) | 4 | Xtra Airways | — |
| Wilmington International Airport (ILM) | 2 | Xtra Airways | — |
| Pitt-Greenville Airport (PGV) | 2 | North Coast Aviation | — |
| Mc Guire Air Force Base (WRI) | 1 | Air Transport International Inc. | — |
GET /routes returns each scheduled flight from BWI: airline, flight number, departure and arrival time, duration, days of operation and aircraft type.
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