Direct (nonstop) flights from San Juan to Dulles

2 airlines fly nonstop from Luis Munoz Marin International (SJU) to Washington Dulles International (IAD). It's 1,571 miles (2,528 km), about 4h 5m in the air. Operated by Frontier Airlines, United Airlines.

SJU
Luis Munoz Marin International
🇵🇷 San Juan, Puerto Rico
IAD
Washington Dulles International
🇺🇸 Dulles, USA
Flight Time
4h 5m
Distance
1,571 mi
2,528 km
CO₂/pax
265 kg
−28 kg vs. layover
Airlines
2
Frontier Airlines +1
Time Diff
Same timezone
Operated by Frontier Airlines Frontier Airlines United Airlines United Airlines

Route data last updated: May 27, 2026

Airlines with non-stop flights

Frontier Airlines F9 Frontier Airlines
Route
SJU → IAD
Flight Time
4h 5m
Distance
1,571 mi
United Airlines UA United Airlines
Route
SJU → IAD
Flight Time
4h 5m
Distance
1,571 mi

Alternative Routes

Other ways to fly from San Juan to Dulles with one stop · direct emits 265 kg CO₂ per passenger

SJU ORF (Norfolk) IAD
Leg 1: 3h 41m (1,414 mi) Leg 2: 1h 12m (157 mi) Total: ~4h 53m 🍃 293 kg CO₂ (+11% vs. direct)
Leg 1
SJU → ORF
3h 41m · 1,414 mi
View SJU to ORF flights →
Leg 2
ORF → IAD
1h 12m · 157 mi
View ORF to IAD flights →
SJU RDU (Raleigh/Durham) IAD
Leg 1: 3h 44m (1,432 mi) Leg 2: 1h 11m (224 mi) Total: ~4h 55m 🍃 309 kg CO₂ (+17% vs. direct)
Leg 1
SJU → RDU
3h 44m · 1,432 mi
View SJU to RDU flights →
Leg 2
RDU → IAD
1h 11m · 224 mi
View RDU to IAD flights →
SJU STT (Saint Thomas) IAD
Leg 1: 39m (68 mi) Leg 2: 4h 18m (1,606 mi) Total: ~4h 57m 🍃 309 kg CO₂ (+17% vs. direct)
Leg 1
SJU → STT
39m · 68 mi
View SJU to STT flights →
Leg 2
STT → IAD
4h 18m · 1,606 mi
View STT to IAD flights →
SJU PUJ (Punta Cana) IAD
Leg 1: 1h 1m (155 mi) Leg 2: 3h 57m (1,506 mi) Total: ~4h 58m 🍃 309 kg CO₂ (+17% vs. direct)
Leg 1
SJU → PUJ
1h 1m · 155 mi
View SJU to PUJ flights →
Leg 2
PUJ → IAD
3h 57m · 1,506 mi
View PUJ to IAD flights →
SJU RIC (Richmond) IAD
Leg 1: 3h 55m (1,481 mi) Leg 2: 1h 3m (99 mi) Total: ~4h 58m 🍃 293 kg CO₂ (+11% vs. direct)
Leg 1
SJU → RIC
3h 55m · 1,481 mi
View SJU to RIC flights →
Leg 2
RIC → IAD
1h 3m · 99 mi
View RIC to IAD flights →

Looking for the return flight?

IAD → SJU: Flights from Dulles to San Juan

Frequently Asked Questions

How long is the direct flight from San Juan to Dulles?

A nonstop flight from San Juan (SJU) to Dulles (IAD) takes approximately 4 hours and 5 minutes. The distance is 1,571 miles (2,528 km).

Which airlines fly nonstop from San Juan to Dulles?

2 airlines: Frontier Airlines, United Airlines.

Is there a nonstop flight from San Juan to Dulles?

Yes. 2 airlines: Frontier Airlines, United Airlines.

How far is San Juan from Dulles?

The flight distance from San Juan to Dulles is 1,571 miles (2,528 km), measured as the great-circle (shortest air) distance.

What type of aircraft flies from San Juan to Dulles?

At 4h 5m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.

Do I need a visa to travel from Puerto Rico to USA?

Depends on your passport. Check with the USA embassy or an official visa portal before booking — requirements change.

What is the carbon footprint of a flight from San Juan to Dulles?

Roughly 265 kg CO2 per passenger one-way. That's about the same as driving 1,325 km.

Is the return flight from Dulles to San Juan also nonstop?

Yes — nonstop flights run both ways. Flight time may differ slightly due to wind patterns.

When is the cheapest time to fly from San Juan to Dulles?

Midweek flights (Tue/Wed) outside holiday peaks are usually cheapest. 3-6 weeks ahead is a good window for this route. Use "Check Prices" above to compare.

How early should I arrive at Luis Munoz Marin International for this flight?

3 hours before departure for international flights. You need time for check-in, security, and immigration.