United States to Puerto Rico · 1,575 miles (2,534 km)

Dulles (IAD) to San Juan (SJU) flights

Avianca LifeMiles logo
17,500 milesCheapest economy award, one way, with Avianca LifeMiles

An economy award from Dulles (IAD) to San Juan (SJU) starts at 17,500 miles one way with Avianca LifeMiles on United Airlines, plus taxes and fees from $30.60. 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.

How many miles IAD to SJU costs

Economy, one way, on the nonstop flights, from the Award Flight Pricer's award charts. Ranges run off-peak to peak; "from" is the floor of a dynamic price.

ProgramEconomyTaxes and fees
Avianca LifeMilesOn United Airlines17,500$30.60
Emirates SkywardsOn United Airlines18,000$5.60–355.60
Singapore Airlines KrisFlyerOn United Airlines20,500$5.60
EVA Air Infinity MileageLandsOn United Airlines25,000$5.60
ANA Mileage ClubOn United Airlines30,000$5.60
TAP Miles&GoOn United Airlines30,000$50.40
Turkish Airlines Miles&SmilesOn United Airlines90,000$5.60–45.60

Business and first class prices are in the Award Flight Pricer. Chart prices need award space on your date, so search it before you transfer points.

Compare every program in the Award Flight Pricer

Airlines flying nonstop from IAD to SJU

Book IAD to SJU with points

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

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
    United Airlines logo
    JetBlue Airways logo
  • Via Richmond (RIC)United Airlines, then JetBlue Airways
    United Airlines logo
    JetBlue Airways logo
  • Via Raleigh/Durham (RDU)United Airlines, then Frontier Airlines, JetBlue Airways and 1 more
    United Airlines logo
    Frontier Airlines logo
    JetBlue Airways logo
    Delta Air Lines logo
  • Via Punta Cana (PUJ)United Airlines, then JetBlue Airways, Frontier Airlines and 1 more
    United Airlines logo
    JetBlue Airways logo
    Frontier Airlines logo
    Arajet logo
  • Via Saint Thomas (STT)United Airlines, then Cape Air, JetBlue Airways and 1 more
    United Airlines logo
    Cape Air logo
    JetBlue Airways logo
    Sun Country Airlines logo
  • Via Philadelphia (PHL)United Airlines, then American Airlines, Frontier Airlines and 1 more
    United Airlines logo
    American Airlines logo
    Frontier Airlines logo
    JetBlue Airways logo
  • Via Charlotte (CLT)American Airlines the whole way
    American Airlines logo
    United Airlines logo
    American Airlines logo
    Frontier Airlines logo
  • Via New York (EWR)United Airlines the whole way
    United Airlines logo
    JetBlue Airways logo
    United Airlines logo
    Frontier Airlines logo
  • Via New York (JFK)Delta Air Lines the whole way
    Delta Air Lines logo
    JetBlue Airways logo
    Delta Air Lines logo
  • Via New York (LGA)United Airlines, then Frontier Airlines
    United Airlines logo
    Frontier Airlines logo
  • Via Sint Maarten (SXM)United Airlines, then Contour Aviation
    United Airlines logo
    LF
  • Via Jacksonville (JAX)United Airlines and Allegiant Air, then Frontier Airlines and JetBlue Airways
    United Airlines logo
    Allegiant Air logo
    Frontier Airlines logo
    JetBlue Airways logo
  • Via Orlando (MCO)Frontier Airlines the whole way
    Frontier Airlines logo
    United Airlines logo
    JetBlue Airways logo
    Frontier Airlines logo
    Southwest Airlines logo
  • Via Fort Lauderdale (FLL)Frontier Airlines the whole way
    United Airlines logo
    Frontier Airlines logo
    JetBlue Airways logo
    Southwest Airlines logo
    Frontier Airlines logo
  • Via Miami (MIA)American Airlines and Frontier Airlines the whole way
    American Airlines logo
    United Airlines logo
    Frontier Airlines logo
    American Airlines logo
    Frontier Airlines logo
See all 30 in Routes

IAD to SJU: common questions

How many miles does IAD to SJU cost?

In economy it starts at 17,500 miles one way with Avianca LifeMiles on United Airlines, plus taxes and fees from $30.60. Next cheapest: Emirates Skywards (18,000), Singapore Airlines KrisFlyer (20,500) and EVA Air Infinity MileageLands (25,000). These are award chart prices from the Award Flight Pricer. Programs that price dynamically can cost more on busy dates, so check yours before you transfer points. Business and first class prices are in the pricer too.

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.

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.