Dulles (IAD) to San Juan (SJU) flights
2 airlines fly nonstop from Dulles (IAD) to San Juan (SJU): Frontier Airlines and United Airlines. The two airports are 1,575 miles (2,534 km) apart. United Airlines is in Star Alliance. There are also 30 ways to fly it with one stop, through Norfolk, Richmond and Raleigh/Durham and more.
Airlines flying nonstop from IAD to SJU
- Frontier AirlinesNot in an allianceWho books it
- United AirlinesStar Alliance · bookable with 13 programsWho books it
Book IAD to SJU 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 SJU with one stop
30 connections, most direct first. 2-stop routings and flight times are in Routes with Pro.
- Via Norfolk (ORF)United Airlines, then JetBlue Airways
- Via Richmond (RIC)United Airlines, then JetBlue Airways
- Via Raleigh/Durham (RDU)United Airlines, then Frontier Airlines, JetBlue Airways and 1 more
- Via Punta Cana (PUJ)United Airlines, then JetBlue Airways, Frontier Airlines and 1 more
- Via Saint Thomas (STT)United Airlines, then Cape Air, JetBlue Airways and 1 more
- Via Philadelphia (PHL)United Airlines, then American Airlines, Frontier Airlines and 1 more
- Via Charlotte (CLT)American Airlines the whole way
- Via New York (EWR)United Airlines the whole way
- Via New York (JFK)Delta Air Lines the whole way
- Via New York (LGA)United Airlines, then Frontier Airlines
- Via Sint Maarten (SXM)United Airlines, then Contour AviationLF
- Via Jacksonville (JAX)United Airlines and Allegiant Air, then Frontier Airlines and JetBlue Airways
- Via Orlando (MCO)Frontier Airlines the whole way
- Via Fort Lauderdale (FLL)Frontier Airlines the whole way
- Via Miami (MIA)American Airlines and Frontier Airlines the whole way
IAD to SJU: common questions
Which airlines fly nonstop from IAD to SJU?
Frontier Airlines and United Airlines (Star Alliance) fly nonstop from Dulles (IAD) to San Juan (SJU).
How far is Dulles from San Juan by plane?
Dulles (IAD) and San Juan (SJU) are 1,575 miles (2,534 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 SJU 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 SJU 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 SJU with taxes and fees.
Where can I connect between Dulles and San Juan?
The most direct connections are through Norfolk (ORF), Richmond (RIC), Raleigh/Durham (RDU), Punta Cana (PUJ) and Saint Thomas (STT). On 12 of them the same airline flies both flights, for example American Airlines through Charlotte.
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.