Delta Cheap Flights from Washington to San Diego

View €111 flight on Sat, 6 Dec 2025Opens in a new window
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Prices were available within the past 7 days and start at €111 for one-way flights and €222 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Sat, 6 Dec - Sat, 13 Dec
IAD
Washington
SAN
San Diego
€222 Return, found 3 days ago
€222
Return
found 3 days ago
Select Delta flight, departing Sat, 6 Dec from Washington to San Diego, returning Sat, 13 Dec, priced at €222 found 3 days ago
Delta
Mon, 3 Nov - Tue, 4 Nov
IAD
Washington
SAN
San Diego
€731 Return, found 11 hours ago
€731
Return
found 11 hours ago
Select Delta flight, departing Mon, 3 Nov from Washington to San Diego, returning Tue, 4 Nov, priced at €731 found 11 hours ago
Delta
Mon, 3 Nov - Tue, 4 Nov
IAD
Washington
SAN
San Diego
€745 Return, found 11 hours ago
€745
Return
found 11 hours ago
Select Delta flight, departing Mon, 3 Nov from Washington to San Diego, returning Tue, 4 Nov, priced at €745 found 11 hours ago
Delta
Mon, 3 Nov - Tue, 4 Nov
IAD
Washington
SAN
San Diego
€749 Return, found 11 hours ago
€749
Return
found 11 hours ago
Select Delta flight, departing Mon, 3 Nov from Washington to San Diego, returning Tue, 4 Nov, priced at €749 found 11 hours ago
Delta
Mon, 3 Nov - Tue, 4 Nov
IAD
Washington
SAN
San Diego
€753 Return, found 11 hours ago
€753
Return
found 11 hours ago
Select Delta flight, departing Mon, 3 Nov from Washington to San Diego, returning Tue, 4 Nov, priced at €753 found 11 hours ago
Delta
Mon, 3 Nov - Tue, 4 Nov
IAD
Washington
SAN
San Diego
€813 Return, found 11 hours ago
€813
Return
found 11 hours ago
Select Delta flight, departing Mon, 3 Nov from Washington to San Diego, returning Tue, 4 Nov, priced at €813 found 11 hours ago

Frequently asked questions

How much is a Delta Air Lines flight from Washington Dulles Intl. Airport (IAD) to San Diego Intl. Airport (SAN)?
You'll discover cheap return Delta Air Lines flights from €222 from IAD to SAN by filtering your results from "Price (lowest to highest)" on Expedia. Or look for options from €111 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.
What is the cheapest month to fly from IAD to SAN with Delta Air Lines?
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.
Does Delta Air Lines fly nonstop from Washington Dulles Intl. Airport (IAD) to San Diego Intl. Airport (SAN)?
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.
What airports does Delta Air Lines fly into in San Diego?
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.
Can I change or cancel my Delta Air Lines flight from Washington Dulles Intl. Airport (IAD) to San Diego Intl. Airport (SAN)?
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.

Travel information

Origin airport
Washington Dulles Intl.
Destination airport
San Diego Intl.
Airlines serving
American Airlines, Delta, United
Popular airline
American Airlines
Distance
3598 km
Average flight time
3 hours 20 mins

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*Available to Expedia members.