Direct (nonstop) flights from Washington to San Diego
1 airline flys nonstop from Ronald Reagan Washington National (DCA) to San Diego International Airport (SAN). It's 2,275 miles (3,662 km), about 5h 40m in the air. Operated by Alaska Airlines.
Alaska Airlines
Route data last updated: May 27, 2026
Airlines with non-stop flights
AS
Alaska Airlines
Alternative Routes
Other ways to fly from Washington to San Diego with one stop · direct emits 385 kg CO₂ per passenger
Looking for the return flight?
SAN → DCA: Flights from San Diego to WashingtonOther direct flights from Washington
Direct flights from San Diego (SAN)
Frequently Asked Questions
How long is the direct flight from Washington to San Diego?
A nonstop flight from Washington (DCA) to San Diego (SAN) takes approximately 5 hours and 40 minutes. The distance is 2,275 miles (3,662 km).
Which airlines fly nonstop from Washington to San Diego?
Just Alaska Airlines.
Is there a nonstop flight from Washington to San Diego?
Yes. 1 airline: Alaska Airlines.
How far is Washington from San Diego?
The flight distance from Washington to San Diego is 2,275 miles (3,662 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 Washington 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 Washington to San Diego?
Roughly 385 kg CO2 per passenger one-way. That's about the same as driving 1,925 km.
Is the return flight from San Diego to Washington 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 Washington 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 Ronald Reagan Washington National for this flight?
1.5-2 hours for domestic. Add more time during holidays or busy travel weekends.