Cheap American Airlines flights Washington (DCA) to San Diego (SAN)

You can find affordable round-trip American Airlines flights from DCA to SAN by filtering your results from "Price (lowest to highest)" on Expedia. Or look for bargains 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.

American Airlines flights to San Diego are generally cheaper in the low-season months of January and November. Whether you need a round-trip or one-way ticket, you could land a better deal then.

Simply enter your dates, hit search and check "Nonstop" on Expedia to browse any direct flights from DCA to SAN with American Airlines or other airlines.

American Airlines flights from Ronald Reagan Washington National Airport (DCA) to San Diego arrive at San Diego Intl. Airport (SAN). This is the main entry point here.

Changes are often free within 24 hours of making your booking, but your airline may add a charge after that. For further information about altering your reservation, head to your "Trips," select your flight and click on "Manage Booking." If you'd like the freedom to update your itinerary without being charged, check the "No cancel fee" or "Changes included" filter when organizing your next getaway.