Washington (DCA) to San Diego (SAN) flights
One airline flies nonstop from Washington (DCA) to San Diego (SAN): Alaska Airlines. The two airports are 2,271 miles (3,655 km) apart. Alaska Airlines is in oneworld. There are also 44 ways to fly it with one stop, through Saint Louis, Cincinnati and Indianapolis and more.
Airlines flying nonstop from DCA to SAN
- Alaska Airlinesoneworld · bookable with 9 programsWho books it

Book DCA to SAN with points
Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- Finnair PlusBooks Alaska Airlines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
DCA to SAN with one stop
44 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)American Airlines and Delta Air Lines, then Breeze Airways



- Via Indianapolis (IND)American Airlines, then Southwest Airlines


- Via Phoenix (PHX)American Airlines the whole way


+1
- Via Kansas City (MCI)Southwest Airlines the whole way



- Via Tulsa (TUL)American Airlines, then Alaska Airlines


- Via Columbus (CMH)Southwest Airlines the whole way



- Via Pittsburgh (PIT)American Airlines, then Southwest Airlines and Breeze Airways



- Via Nashville (BNA)Southwest Airlines the whole way




- Via Omaha (OMA)Southwest Airlines the whole way



- Via Denver (DEN)Frontier Airlines and United Airlines the whole way



+1
- Via Chicago (MDW)Southwest Airlines the whole way


- 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



DCA to SAN: common questions
Which airlines fly nonstop from DCA to SAN?
Alaska Airlines (oneworld) flies nonstop from Washington (DCA) to San Diego (SAN).
How far is Washington from San Diego by plane?
Washington (DCA) and San Diego (SAN) are 2,271 miles (3,655 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book DCA to SAN award flights?
9 programs can book at least one of the nonstop airlines: Alaska Atmos Rewards, American AAdvantage, British Airways Club, Cathay Pacific Asia Miles, Finnair Plus, Iberia Club, JAL Mileage Bank, Qantas Frequent Flyer and 1 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does DCA 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 DCA to SAN with taxes and fees.
Where can I connect between Washington and San Diego?
The most direct connections are through Saint Louis (STL), Cincinnati (CVG), Indianapolis (IND), Phoenix (PHX) 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.