Direct (nonstop) flights from Dulles to San Jose
1 airline flys nonstop from Washington Dulles International (IAD) to Juan Santamaria International (SJO). It's 2,036 miles (3,277 km), about 4h 58m in the air. Operated by United Airlines.
United Airlines
Route data last updated: May 29, 2026
Airlines with non-stop flights
UA
United Airlines
Alternative Routes
Other ways to fly from Dulles to San Jose with one stop · direct emits 344 kg CO₂ per passenger
Looking for the return flight?
SJO → IAD: Flights from San Jose to DullesOther direct flights from Dulles
Direct flights from San Jose (SJO)
Frequently Asked Questions
How long is the direct flight from Dulles to San Jose?
A nonstop flight from Dulles (IAD) to San Jose (SJO) takes approximately 4 hours and 58 minutes. The distance is 2,036 miles (3,277 km).
Which airlines fly nonstop from Dulles to San Jose?
Just United Airlines.
Is there a nonstop flight from Dulles to San Jose?
Yes. 1 airline: United Airlines.
How far is Dulles from San Jose?
The flight distance from Dulles to San Jose is 2,036 miles (3,277 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What is the time difference between Dulles and San Jose?
San Jose is 2 hours behind Dulles. (America/New_York vs America/Costa_Rica.)
What type of aircraft flies from Dulles to San Jose?
At 4h 58m, 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 USA to Costa Rica?
Depends on your passport. Check with the Costa Rica embassy or an official visa portal before booking — requirements change.
What is the carbon footprint of a flight from Dulles to San Jose?
Roughly 344 kg CO2 per passenger one-way. That's about the same as driving 1,720 km.
Is the return flight from San Jose to Dulles 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 Dulles to San Jose?
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 Washington Dulles International for this flight?
3 hours before departure for international flights. You need time for check-in, security, and immigration.