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 Airlinesoneworld · bookable with 9 programsWho books it

- 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.
- Air Canada AeroplanBooks United Airlines
- Air New Zealand AirpointsBooks United Airlines
- Alaska Atmos RewardsBooks Alaska Airlines
- American AAdvantageBooks Alaska Airlines
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- British Airways ClubBooks Alaska Airlines
- Cathay Pacific Asia MilesBooks Alaska Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- Finnair PlusBooks Alaska Airlines
- Iberia ClubBooks Alaska Airlines
- JAL Mileage BankBooks Alaska Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United Airlines
- Qantas Frequent FlyerBooks Alaska Airlines
- Qatar Airways Privilege ClubBooks Alaska Airlines
- Singapore Airlines KrisFlyerBooks United Airlines
- TAP Miles&GoBooks United Airlines
- Thai Royal Orchid PlusBooks United Airlines
- Turkish Airlines Miles&SmilesBooks United Airlines
- United MileagePlusBooks United Airlines
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


- Via Cincinnati (CVG)Breeze Airways, then United Airlines


- Via Albuquerque (ABQ)Southwest Airlines, then United Airlines


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


- Via Kansas City (MCI)Southwest Airlines, then United Airlines


- Via Phoenix (PHX)American Airlines, Southwest Airlines and 2 more, then United Airlines

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- Via Columbus (CMH)Southwest Airlines, then United Airlines


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



- Via Nashville (BNA)Southwest Airlines, then United Airlines


- Via Denver (DEN)United Airlines the whole way

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- Via Chicago (ORD)United Airlines the whole way




- Via Vail (EGE)Alaska Airlines, then United Airlines


- Via Las Vegas (LAS)Frontier Airlines the whole way

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- Via Detroit (DTW)Delta Air Lines the whole way



- Via Dallas (DFW)American Airlines and Frontier Airlines the whole way






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.