United States · 2,271 miles (3,655 km)

San Diego (SAN) to Washington (DCA) flights

One airline flies nonstop from San Diego (SAN) to Washington (DCA): 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 SAN to DCA

Book SAN to DCA with points

Loyalty programs that can book at least one of the nonstop airlines, from the Award Booking Guide.

SAN to DCA 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
    Southwest Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Cincinnati (CVG)Breeze Airways, then American Airlines and Delta Air Lines
    Breeze Airways logo
    American Airlines logo
    Delta Air Lines logo
  • Via Indianapolis (IND)Southwest Airlines, then American Airlines
    Southwest Airlines logo
    American Airlines logo
  • Via Phoenix (PHX)American Airlines the whole way
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
    American Airlines logo
  • Via Kansas City (MCI)Southwest Airlines the whole way
    Southwest Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Tulsa (TUL)Alaska Airlines, then American Airlines
    Alaska Airlines logo
    American Airlines logo
  • Via Columbus (CMH)Southwest Airlines the whole way
    Southwest Airlines logo
    American Airlines logo
    Southwest Airlines logo
  • Via Pittsburgh (PIT)Southwest Airlines and Breeze Airways, then American Airlines
    Southwest Airlines logo
    Breeze Airways logo
    American Airlines logo
  • Via Nashville (BNA)Southwest Airlines the whole way
    Southwest Airlines logo
    American Airlines logo
    Southwest Airlines logo
    Delta Air Lines logo
  • Via Omaha (OMA)Southwest Airlines the whole way
    Southwest Airlines logo
    Delta Air Lines logo
    Southwest Airlines logo
  • Via Denver (DEN)Frontier Airlines and United Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
    Frontier Airlines logo
    United Airlines logo
  • Via Chicago (MDW)Southwest Airlines the whole way
    Southwest Airlines logo
    Southwest Airlines logo
  • Via Chicago (ORD)American Airlines and United Airlines the whole way
    American Airlines logo
    United Airlines logo
    Alaska Airlines logo
    American Airlines logo
    United Airlines logo
  • Via Las Vegas (LAS)Southwest Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
    American Airlines logo
    Southwest Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    American Airlines logo
    Delta Air Lines logo
See all 44 in Routes

SAN to DCA: common questions

Which airlines fly nonstop from SAN to DCA?

Alaska Airlines (oneworld) flies nonstop from San Diego (SAN) to Washington (DCA).

How far is San Diego from Washington by plane?

San Diego (SAN) and Washington (DCA) 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 SAN to DCA 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 SAN to DCA cost?

It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for SAN to DCA with taxes and fees.

Where can I connect between San Diego and Washington?

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.