United States · 2,249 miles (3,620 km)

San Diego (SAN) to Dulles (IAD) flights

2 airlines fly nonstop from San Diego (SAN) to Dulles (IAD): Alaska Airlines and United Airlines. The two airports are 2,249 miles (3,620 km) apart. Alaska Airlines is in oneworld and United Airlines is in Star Alliance. There are also 47 ways to fly it with one stop, through Saint Louis, Cincinnati and Albuquerque and more.

Airlines flying nonstop from SAN to IAD

  • Alaska Airlines logo
    Alaska Airlinesoneworld · bookable with 9 programsWho books it
  • United Airlines logo
    United AirlinesStar Alliance · bookable with 13 programsWho books it

Book SAN to IAD with points

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

SAN to IAD with one stop

47 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.

  • Via Saint Louis (STL)Southwest Airlines, then United Airlines
    Southwest Airlines logo
    United Airlines logo
  • Via Cincinnati (CVG)Breeze Airways, then United Airlines
    Breeze Airways logo
    United Airlines logo
  • Via Albuquerque (ABQ)Southwest Airlines, then United Airlines
    Southwest Airlines logo
    United Airlines logo
  • Via Indianapolis (IND)Southwest Airlines, then United Airlines
    Southwest Airlines logo
    United Airlines logo
  • Via Kansas City (MCI)Southwest Airlines, then United Airlines
    Southwest Airlines logo
    United Airlines logo
  • Via Phoenix (PHX)American Airlines, Southwest Airlines and 2 more, then United Airlines
    American Airlines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
    United Airlines logo
  • Via Columbus (CMH)Southwest Airlines, then United Airlines
    Southwest Airlines logo
    United Airlines logo
  • Via Pittsburgh (PIT)Southwest Airlines and Breeze Airways, then United Airlines
    Southwest Airlines logo
    Breeze Airways logo
    United Airlines logo
  • Via Nashville (BNA)Southwest Airlines, then United Airlines
    Southwest Airlines logo
    United Airlines logo
  • Via Denver (DEN)United Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    Southwest Airlines logo
    +1
    United Airlines logo
  • Via Chicago (ORD)United Airlines the whole way
    American Airlines logo
    United Airlines logo
    Alaska Airlines logo
    United Airlines logo
  • Via Vail (EGE)Alaska Airlines, then United Airlines
    Alaska Airlines logo
    United Airlines logo
  • Via Las Vegas (LAS)Frontier Airlines the whole way
    Delta Air Lines logo
    Southwest Airlines logo
    Frontier Airlines logo
    +1
    Frontier Airlines logo
    United Airlines logo
  • Via Detroit (DTW)Delta Air Lines the whole way
    Delta Air Lines logo
    Delta Air Lines logo
    United Airlines logo
  • Via Dallas (DFW)American Airlines and Frontier Airlines the whole way
    American Airlines logo
    Frontier Airlines logo
    Alaska Airlines logo
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
See all 47 in Routes

SAN to IAD: common questions

Which airlines fly nonstop from SAN to IAD?

Alaska Airlines (oneworld) and United Airlines (Star Alliance) fly nonstop from San Diego (SAN) to Dulles (IAD).

How far is San Diego from Dulles by plane?

San Diego (SAN) and Dulles (IAD) are 2,249 miles (3,620 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 IAD award flights?

22 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, Alaska Atmos Rewards, American AAdvantage, ANA Mileage Club, Avianca LifeMiles, British Airways Club, Cathay Pacific Asia Miles and 14 more. Which flights each can book depends on its partners, so check the airline before you transfer points.

How many miles does SAN to IAD 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 IAD with taxes and fees.

Where can I connect between San Diego and Dulles?

The most direct connections are through Saint Louis (STL), Cincinnati (CVG), Albuquerque (ABQ), Indianapolis (IND) and Kansas City (MCI). On 19 of them the same airline flies both flights, for example United Airlines through Denver.

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.