Dulles (IAD) to San Jose (SJO) flights
One airline flies nonstop from Dulles (IAD) to San Jose (SJO): United Airlines. The two airports are 2,044 miles (3,289 km) apart. United Airlines is in Star Alliance. There are also 25 ways to fly it with one stop, through Miami, Fort Lauderdale and Orlando and more.
Airlines flying nonstop from IAD to SJO
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book IAD to SJO 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
- ANA Mileage ClubBooks United Airlines
- Avianca LifeMilesBooks United Airlines
- Emirates SkywardsBooks United Airlines
- EVA Air Infinity MileageLandsBooks United Airlines
- JetBlue TrueBlueBooks United Airlines
- Lufthansa Miles & MoreBooks United 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
IAD to SJO with one stop
25 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Miami (MIA)American Airlines the whole way
- Via Fort Lauderdale (FLL)United Airlines and Frontier Airlines, then JetBlue Airways
- Via Orlando (MCO)Frontier Airlines the whole way
Q6 - Via Tampa (TPA)United Airlines and Frontier Airlines, then Breeze Airways
- Via Charlotte (CLT)American Airlines the whole way
- Via Guanacaste (LIR)United Airlines, then SANSARZ
- Via Cancun (CUN)United Airlines, then Volaris Costa Rica and VolarisQ6
- Via Atlanta (ATL)Delta Air Lines and Frontier Airlines the whole way
- Via San Salvador (SAL)AVIANCA the whole wayN3+1
- Via Nashville (BNA)United Airlines, then Southwest Airlines
- Via Guatemala City (GUA)AVIANCA the whole way
- Via Panama City (PTY)Copa Airlines the whole way
- Via New York (EWR)United Airlines the whole way
- Via New York (JFK)Delta Air Lines, then JetBlue Airways
- Via Toronto (YYZ)Air Canada the whole way
IAD to SJO: common questions
Which airlines fly nonstop from IAD to SJO?
United Airlines (Star Alliance) flies nonstop from Dulles (IAD) to San Jose (SJO).
How far is Dulles from San Jose by plane?
Dulles (IAD) and San Jose (SJO) are 2,044 miles (3,289 km) apart along the great circle, the shortest path a flight can take. Connections add distance on top.
Which points programs can book IAD to SJO award flights?
13 programs can book at least one of the nonstop airlines: Air Canada Aeroplan, Air New Zealand Airpoints, ANA Mileage Club, Avianca LifeMiles, Emirates Skywards, EVA Air Infinity MileageLands, JetBlue TrueBlue, Lufthansa Miles & More and 5 more. Which flights each can book depends on its partners, so check the airline before you transfer points.
How many miles does IAD to SJO cost?
It depends on the program: each prices the route from its own chart or dynamically. The Award Flight Pricer compares 30+ programs for IAD to SJO with taxes and fees.
Where can I connect between Dulles and San Jose?
The most direct connections are through Miami (MIA), Fort Lauderdale (FLL), Orlando (MCO), Tampa (TPA) and Charlotte (CLT). On 16 of them the same airline flies both flights, for example American Airlines through Miami.
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.