Baltimore (BWI) to San Diego (SAN) flights
One airline flies nonstop from Baltimore (BWI) to San Diego (SAN): Southwest Airlines. The two airports are 2,290 miles (3,686 km) apart. There are also 42 ways to fly it with one stop, through Saint Louis, Cincinnati and Indianapolis and more.
Airlines flying nonstop from BWI to SAN
- Southwest AirlinesNot in an allianceWho books it
BWI to SAN with one stop
42 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Saint Louis (STL)Southwest Airlines the whole way
- Via Cincinnati (CVG)Southwest Airlines, then Breeze Airways
- Via Indianapolis (IND)Southwest Airlines the whole way
- Via Albuquerque (ABQ)Southwest Airlines the whole way
- Via Kansas City (MCI)Southwest Airlines the whole way
- Via Columbus (CMH)Southwest Airlines the whole way
- Via Phoenix (PHX)Southwest Airlines the whole way
+1
- Via Pittsburgh (PIT)Southwest Airlines the whole way
- Via Chicago (MDW)Southwest Airlines the whole way
- Via Nashville (BNA)Southwest Airlines the whole way
- Via Denver (DEN)United Airlines and Southwest Airlines the whole way
+1 - Via Chicago (ORD)American Airlines and United Airlines the whole way
- Via Las Vegas (LAS)Southwest Airlines the whole way
+1 - Via Detroit (DTW)Delta Air Lines the whole way
- Via Milwaukee (MKE)Southwest Airlines the whole way
BWI to SAN: common questions
Which airlines fly nonstop from BWI to SAN?
Southwest Airlines flies nonstop from Baltimore (BWI) to San Diego (SAN).
How far is Baltimore from San Diego by plane?
Baltimore (BWI) and San Diego (SAN) are 2,290 miles (3,686 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
How many miles does BWI to SAN cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for BWI to SAN with taxes and fees.
Where can I connect between Baltimore and San Diego?
The most direct connections are through Saint Louis (STL), Cincinnati (CVG), Indianapolis (IND), Albuquerque (ABQ) and Kansas City (MCI). On 36 of them the same airline flies both flights, for example Southwest Airlines through Saint Louis.
More routes
Routes are scheduled nonstop flights. The route data is refreshed monthly; this list was last checked November 11, 2026. Seasonal routes and new launches can be missing or end early, so confirm with the airline before you book. Distances are great-circle, the shortest path between the two airports.