$129 Cheap Delta flights Washington (DCA) to San Diego (SAN)

View $129 flight on Tue, Mar 24, 2026Opens in a new window

$129 Cheap Delta flights Washington (DCA) to San Diego (SAN)

Prices were available within the past 7 days and start at $129 for one-way flights and $290 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Delta
Tue, Jan 20 - Tue, Jan 27
DCA
Washington
SAN
San Diego
$290 Roundtrip, found 1 day ago
$290
Roundtrip
found 1 day ago
Select Delta flight, departing Tue, Jan 20 from Washington to San Diego, returning Tue, Jan 27, priced at $290 found 1 day ago
Delta
Tue, Mar 24 - Sat, Mar 28
DCA
Washington
SAN
San Diego
$309 Roundtrip, found 2 hours ago
$309
Roundtrip
found 2 hours ago
Select Delta flight, departing Tue, Mar 24 from Washington to San Diego, returning Sat, Mar 28, priced at $309 found 2 hours ago

Find the cheapest month to fly from Washington (DCA) to San Diego (SAN)

January is typically the cheapest month to fly

From $134 - $308 per traveler.

Alternative airports near San Diego

Prices were available within the past 7 days. Prices and availability are subject to change.

Select flight to San Diego Intl. SAN. Cheapest and Closest option available. Average driving time to city center is 5 minutes. Flights from $187
SAN
San Diego Intl.
CheapestClosest
Average driving time to city center5 min
Flights from $187
Flights from Washington (DCA) to San Diego (SAN)
Origin airport
Ronald Reagan Washington National
Destination airport
San Diego Intl.
Distance
3633 km
Average flight time
4 hours 17 mins