Direct (nonstop) flights from Dulles to San Diego
2 airlines fly nonstop from Washington Dulles International (IAD) to San Diego International Airport (SAN). It's 2,254 miles (3,627 km), about 5h 40m in the air. Operated by Alaska Airlines, United Airlines.
Alaska Airlines
United Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
AS
Alaska Airlines
UA
United Airlines
Alternative Routes
Other ways to fly from Dulles to San Diego with one stop · direct emits 381 kg CO₂ per passenger
Looking for the return flight?
SAN → IAD: Flights from San Diego to DullesOther direct flights from Dulles
Direct flights from San Diego (SAN)
Frequently Asked Questions
How long is the direct flight from Dulles to San Diego?
A nonstop flight from Dulles (IAD) to San Diego (SAN) takes approximately 5 hours and 40 minutes. The distance is 2,254 miles (3,627 km).
Which airlines fly nonstop from Dulles to San Diego?
2 airlines: Alaska Airlines, United Airlines.
Is there a nonstop flight from Dulles to San Diego?
Yes. 2 airlines: Alaska Airlines, United Airlines.
How far is Dulles from San Diego?
The flight distance from Dulles to San Diego is 2,254 miles (3,627 km), measured as the great-circle (shortest air) distance. That's roughly the same distance as New York to Los Angeles.
What type of aircraft flies from Dulles to San Diego?
At 5h 40m, this route typically uses narrow-body or mid-range jets — Boeing 737 MAX or Airbus A320neo. Varies by airline.
What is the carbon footprint of a flight from Dulles to San Diego?
Roughly 381 kg CO2 per passenger one-way. That's about the same as driving 1,905 km.
Is the return flight from San Diego 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 Diego?
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?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.