Cheap American Airlines Flights from Washington to San Diego (DCA→SAN)

View AU$227 flight on Mon, 4 Aug. 2025Opens in a new window

  • Plan, book, fly with confidence

  • trending down icon
    Be in the know
    Get alerts if flight prices drop or rise*
  • bex rewards loyalty icon
    Book smarter
    Save up to 35% on select hotels after you book a flight*
  • payments icon
    Earn twice
    Earn your airline miles on top of our rewards
    Sign in

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed., 13 Aug. - Wed., 20 Aug.
DCA
Washington
SAN
San Diego
AU$393 Return, found 3 days ago
AU$393
Return
found 3 days ago
Select American Airlines flight, departing Wed., 13 Aug. from Washington to San Diego, returning Wed., 20 Aug., priced at AU$393 found 3 days ago
American Airlines
Wed., 13 Aug. - Wed., 20 Aug.
DCA
Washington
SAN
San Diego
AU$470 Return, found 3 days ago
AU$470
Return
found 3 days ago
Select American Airlines flight, departing Wed., 13 Aug. from Washington to San Diego, returning Wed., 20 Aug., priced at AU$470 found 3 days ago
American Airlines
Sat., 16 Aug. - Sat., 23 Aug.
DCA
Washington
SAN
San Diego
AU$486 Return, found 1 day ago
AU$486
Return
found 1 day ago
Select American Airlines flight, departing Sat., 16 Aug. from Washington to San Diego, returning Sat., 23 Aug., priced at AU$486 found 1 day ago
American Airlines
Wed., 13 Aug. - Wed., 20 Aug.
DCA
Washington
SAN
San Diego
AU$516 Return, found 3 days ago
AU$516
Return
found 3 days ago
Select American Airlines flight, departing Wed., 13 Aug. from Washington to San Diego, returning Wed., 20 Aug., priced at AU$516 found 3 days ago
American Airlines
Wed., 13 Aug. - Wed., 20 Aug.
DCA
Washington
CLD
Carlsbad
AU$516 Return, found 3 days ago
AU$516
Return
found 3 days ago
Select American Airlines flight, departing Wed., 13 Aug. from Washington to Carlsbad, returning Wed., 20 Aug., priced at AU$516 found 3 days ago
American Airlines
Wed., 13 Aug. - Wed., 20 Aug.
DCA
Washington
SAN
San Diego
AU$546 Return, found 3 days ago
AU$546
Return
found 3 days ago
Select American Airlines flight, departing Wed., 13 Aug. from Washington to San Diego, returning Wed., 20 Aug., priced at AU$546 found 3 days ago
Flight from Washington to San Diego route information
Origin airport
Ronald Reagan Washington National
Destination airport
San Diego Intl.
Distance
3633 km
Average flight time
5 hours 11 mins
*Available to Expedia members.