April is by far the best month, wherein you can get cheapest flights for San Diego to Washington. Meanwhile, is perceived as the expensive month due to the varying factors. That’s why it’s highly advised to make advanced online flight booking to save huge amounts of money.
Disclaimer - All the above-mentioned fares were found within last 48 hrs. The displayed fares are based on historical data and are subject to change. The fares cannot be guaranteed at the time of booking.

San Diego
22:40
San Diego
San Diego International Airport
Tue , 07 Apr 2026

Washington
08:25
Washington
Ronald Reagan Washington National Airport
Wed, 08 Apr 2026

San Diego
08:00
San Diego
San Diego International Airport
Tue , 28 Apr 2026

Washington
19:31
Washington
Ronald Reagan Washington National Airport
Tue, 28 Apr 2026

San Diego
22:25
San Diego
San Diego International Airport
Sat , 18 Apr 2026

Washington
10:19
Washington
Ronald Reagan Washington National Airport
Sun, 19 Apr 2026

San Diego
06:21
San Diego
San Diego International Airport
Tue , 07 Apr 2026

Washington
18:59
Washington
Ronald Reagan Washington National Airport
Tue, 07 Apr 2026

San Diego
20:30
San Diego
San Diego International Airport
Thu , 30 Apr 2026

Washington
07:59
Washington
Ronald Reagan Washington National Airport
Fri, 01 May 2026

San Diego
20:30
San Diego
San Diego International Airport
Fri , 01 May 2026

Washington
09:44
Washington
Ronald Reagan Washington National Airport
Sat, 02 May 2026

San Diego
20:30
San Diego
San Diego International Airport
Tue , 28 Apr 2026

Washington
07:59
Washington
Ronald Reagan Washington National Airport
Wed, 29 Apr 2026

San Diego
10:30
San Diego
San Diego International Airport
Wed , 15 Apr 2026

Washington
21:59
Washington
Ronald Reagan Washington National Airport
Wed, 15 Apr 2026

San Diego
08:00
San Diego
San Diego International Airport
Wed , 15 Apr 2026

Washington
16:59
Washington
Ronald Reagan Washington National Airport
Thu, 16 Apr 2026

San Diego
12:00
San Diego
San Diego International Airport
Tue , 07 Apr 2026

Washington
12:02
Washington
Ronald Reagan Washington National Airport
Wed, 08 Apr 2026

San Diego
12:42
San Diego
San Diego International Airport
Fri , 17 Apr 2026

Washington
21:00
Washington
Ronald Reagan Washington National Airport
Fri, 17 Apr 2026










Flying from San Diego to Washington has never been easier. Whether you’re planning a short business trip, a weekend getaway, or reconnecting with family and friends, Easemytrip brings you the best deals, seamless booking, and flexible options for this popular flight route. Our platform is built to help travellers like you compare flight prices, explore direct and connecting options, and find the perfect departure time — all within a few clicks.
The air route between San Diego to Washington is one of the most frequently travelled, offering reliable services from top airlines and excellent connectivity between San Diego International Airport (SAN) and Ronald Reagan Washington National Airport (DCA). You can expect a flight distance of approximately 3654 km, and most direct services cover it in around 14:26.
Let’s take a closer look at everything you need to know before booking your flight from San Diego to Washington.
| Flight Details | Information |
|---|---|
| Route Distance | 3654 km |
| Average Flight Time | 14:26 hrs |
| Departure Airport | San Diego International Airport (SAN) |
| Arrival Airport | Ronald Reagan Washington National Airport (DCA) |
| Cabin Classes Available | Economy Class, Premium Economy, Business Class, First Class |
| Direct Flights | YES |
| Common Airlines | Southwest, Delta Airlines, JetBlue Airways, Frontier Airlines |
The route is serviced regularly by both full-service and budget airlines, catering to all types of travellers — from those looking for no-frills budget options to those preferring business and first-class comfort. If you're flying for business, early morning weekday flights are a great choice, while leisure travellers often opt for weekend and evening departures.