⚡ Fare recorded April 25, 2026 · Prices change daily

Washington DC to San Juan flights

Washington DC (IAD) to San Juan (SJU): 1,574 miles (2,534 km) great-circle, about 3h 40m nonstop by our estimate. Cheapest fare observed: $632 round-trip on United Airlines, nonstop, departing July 2, 2026.

UAUnited AirlinesUA2025
Depart
IAD
Washington DC, USA
17:24
2026-07-02
✈
Arrive
SJU
San Juan, United States
Returns 07:20
2026-07-05
Stops
non-stop
Distance
1,574 mi
Est. nonstop time
3h 40m
Trip type
Round-trip
$632
Round-trip · per person
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About this flight

When did the cheapest Washington DC to San Juan fare fly?

$632 round-trip, United Airlines UA2025, departing 2026-07-02 at 17:24, returning 2026-07-05. The recorded itinerary left on a Thursday, returning on a Sunday 3 nights later; the fare was observed 68 days before departure. "Book this flight" opens Kiwi.com with the same airline and dates.

Route facts

How far is Washington DC from San Juan?

  • Distance: 1,574 miles (2,534 km) great-circle, heading southeast.
  • Estimated nonstop flight time: about 3h 40m.
  • Departure airport: Washington Dulles International Airport (IAD), Washington DC, United States, UTC-4 on July 2, 2026.
  • Arrival: Luis Munoz Marin International Airport (SJU), United States, UTC-4 on July 2, 2026.
  • Time difference: none on the recorded date.
  • Route type: domestic, within United States.
  • Arrival airport elevation: 9 ft.
  • Recorded itinerary: United Airlines UA2025, non-stop, round-trip, 3 days between departure and return.
Fare comparison

How does the Washington DC to San Juan fare compare with other routes from IAD?

At $632, it ranked 14th of the 30 round-trip fares we recorded from IAD (median $775). That is 40.1 cents per great-circle mile (round-trip price over one-way distance), above the IAD median of 22.5 cents across 30 round-trip routes.

Routes from IAD of similar length: Denver (1,449 mi) at $156 and Austin (1,295 mi) at $264.

United Airlines had the cheapest fare on 4 of 30 IAD routes. It is the 21st longest of the 30 routes we track from IAD.

Other ways in

What did other cities pay to fly to San Juan?

Of 20 departure airports with a fare to San Juan, Washington DC (IAD) ranked 20th at $632. Lowest: $127 from Orlando (MCO); highest: $632 from Washington DC (IAD); 7 nonstop. Cheapest-fare airlines (routes): Frontier (9), Spirit (4), American Airlines (2), JetBlue (2), Southwest (1) and United Airlines (1), plus 1 more.

Sources

Where do these numbers come from?

Travelpayouts fares (cheapest per route, observed April 25, 2026); OurAirports coordinates and elevations; IANA zones America/New_York, America/Puerto_Rico; flight time is our estimate.

FAQ

Washington DC to San Juan flight questions

How far is Washington DC from San Juan by plane?

+
Washington DC is about 1,574 miles (2,534 km) from San Juan on a great-circle line from Washington Dulles International Airport (IAD) to Luis Munoz Marin International Airport (SJU), heading southeast. It is the 21st longest of the 30 routes we track from IAD. The recorded itinerary was nonstop.

How long is the flight from Washington DC to San Juan?

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About 3h 40m nonstop by our estimate for 1,574 miles (500 mph cruise plus 30 minutes, not a timetable). The recorded United Airlines fare was nonstop. 20 airports in our feed had a fare to San Juan; this one ranked 20th, and 7 of the 20 were nonstop.

What is the time difference between Washington DC and San Juan?

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On July 2, 2026, Washington DC was on UTC-4 (America/New_York) and San Juan on UTC-4 (America/Puerto_Rico), so the two cities shared the same clock time: noon in Washington DC was 12:00 in San Juan. Daylight saving changes it: in mid-January 2026 the gap is San Juan 1 hour ahead, in mid-July no difference.

How much is a flight from Washington DC to San Juan?

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As observed on April 25, 2026: $632 per person round-trip on United Airlines flight UA2025, departing July 2, 2026, returning July 5, 2026, nonstop. At $632, it ranked 14th of the 30 round-trip fares we recorded from IAD (median $775). That is 40.1 cents per great-circle mile (round-trip price over one-way distance), above the IAD median of 22.5 cents across 30 round-trip routes. Prices change daily, so check the live fare.

Is there a nonstop flight from Washington DC to San Juan?

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Yes, the cheapest recorded fare was a nonstop United Airlines flight, UA2025, on July 2, 2026. Into San Juan, 7 of the 20 recorded fares were nonstop. From IAD, 7 of 30 were. Routes from IAD of similar length: Denver (1,449 mi) at $156 and Austin (1,295 mi) at $264.

Which airports serve flights from Washington DC to San Juan?

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It departs Washington Dulles International Airport (IAD) in Washington DC, United States, and arrives at Luis Munoz Marin International Airport (SJU) in San Juan, United States. A domestic United States flight. United Airlines had the cheapest fare on 4 of 30 IAD routes.

Where else near San Juan can you fly from Washington DC?

Miami (MIA) $211Fort Lauderdale (FLL) $186Orlando (ORL) $121Atlanta (ATL) $122San Salvador (SAL) $275Guatemala City (GUA) $629All flights from Washington DC →

Other cities with flights to San Juan

From Orlando (MCO) $127From Philadelphia (PHL) $134From Tampa (TPA) $142From Punta Cana (PUJ) $148From Newark (EWR) $150From Fort Lauderdale (FLL) $163

Ready to fly?

Book United Airlines IAD → SJU · $632 →