Delta Cheap Flights from Washington to San Diego

You'll discover cheap return Delta Air Lines flights €272 from IAD to SAN by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options from €136 for a one-way journey.*

*These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

January is one of the most affordable months to jet off to San Diego with Delta Air Lines. You could also find fantastic deals on one-way and round-trip fares in November.

Fill in your dates, hit search and check the "Nonstop" filter on Expedia to browse any direct flights from IAD to SAN with Delta Air Lines or other carriers.

Delta Air Lines flights from Washington Dulles Intl. Airport (IAD) to San Diego arrive at San Diego Intl. Airport (SAN). This is the main entry point to this destination.

Typically, you can reschedule or cancel your flight, although additional fees may apply if you booked more than 24 hours ago. Need flexible options? Use Expedia's "Changes included" and "No cancel fee" filters to find flights that won't penalize you if you have to adjust your plans. To update your itinerary, visit "Trips," select your flight and click on "Manage Booking" for further information.