Nonstop flights from San Diego to Washington
3 airlines fly from San Diego (SAN) to 3 Washington airports (IAD, BWI and DCA), with up to 9 flights a day.
Routes
3 airport pairs- SAN to IADSan Diego to Dulles4 a day
- SAN to BWISan Diego to Baltimore/Washington International Thurgood Marshall3 to 4 a day
- SAN to DCASan Diego to Ronald Reagan Washington NationalDaily
When they leave
San Diego timeFour in the morning, 6:35 AM to 11:45 AM, then three in the afternoon, 12:40 PM to 3:30 PM, then two in the evening, 9:45 PM to 10:40 PM.
Every flight
Earliest firstSchedules last checked Sep 21, 2026. Times are local.
Flying from San Diego to Washington
Southwest Airlines flies most often, 3 to 4 times a day on the Boeing 737 MAX 8 and Boeing 737-700. United Airlines flies 3 times a day on the Boeing 737 MAX 9 and Boeing 737. Alaska Airlines flies twice a day on the Boeing 737 MAX 9 and Boeing 737-800.
Flights run every day of the week, 9 on Mondays, Thursdays and Fridays and 8 on the other days. The first arrival in Washington is at 2:40 PM and the last at 6:35 AM the next day.
SAN to IAD is the busiest airport pair, with 28 flights a week, then SAN to BWI with 24 and SAN to DCA with 7.
Flying back, Washington to San Diego has 55 nonstop flights a week.
Return flights
Schedules as of Oct 9, 2026.