Nonstop flights from Washington to San Diego
2 airlines fly this route, with up to 4 flights a day.
IADWashington Dulles International
2,249 mi · 28 flights a week
SANSan Diego International
When they leave
Washington time8:55a7:35pFirst departure 8:55 AM, last 7:35 PM
One morning flight at 8:55 AM, then one afternoon flight at 12:35 PM, then two in the evening, 6:00 PM to 7:35 PM. Every flight runs daily.
Every flight
Earliest first
Schedules last checked Sep 11, 2026. Times are local.
Flying from Washington to San Diego
United Airlines flies most often, 3 times a day on the Boeing 737 MAX 9 and Boeing 737. Alaska Airlines flies daily on the Boeing 737 MAX 9.
There are 4 flights every day of the week. The first arrival in San Diego is at 11:17 AM and the last at 9:59 PM. The flight covers 2,249 miles.
Flying back, San Diego to Washington has 28 nonstop flights a week. Baltimore (BWI) and Ronald Reagan Washington National (DCA) also have nonstop flights to San Diego, 20 and 7 a week.
Return flights
Every Washington airport
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Find the cheapest day to fly from Washington to San Diego.
Schedules as of Oct 9, 2026.