Cheap Flights from Washington to San Diego

View €68 flight on Mon, 25 Aug 2025Opens in a new window

Popular airlines from Washington to San Diego

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Cheap flights from Washington to San Diego (WAS-SAN)

Prices were available within the past 7 days and start at €68 for one-way flights and €167 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Fri, 15 Aug - Sun, 17 Aug
IAD
Washington
SAN
San Diego
€167 Return, found 6 days ago
€167
Return
found 6 days ago
Select American Airlines flight, departing Fri, 15 Aug from Washington to San Diego, returning Sun, 17 Aug, priced at €167 found 6 days ago
American Airlines
Mon, 25 Aug - Tue, 2 Sep
DCA
Washington
SAN
San Diego
€190 Return, found 5 days ago
€190
Return
found 5 days ago
Select American Airlines flight, departing Mon, 25 Aug from Washington to San Diego, returning Tue, 2 Sep, priced at €190 found 5 days ago
American Airlines
Mon, 25 Aug - Tue, 2 Sep
BWI
Baltimore
SAN
San Diego
€196 Return, found 5 days ago
€196
Return
found 5 days ago
Select American Airlines flight, departing Mon, 25 Aug from Baltimore to San Diego, returning Tue, 2 Sep, priced at €196 found 5 days ago
JetBlue Airways
Mon, 25 Aug - Tue, 2 Sep
DCA
Washington
SAN
San Diego
€228 Return, found 5 days ago
€228
Return
found 5 days ago
Select JetBlue Airways flight, departing Mon, 25 Aug from Washington to San Diego, returning Tue, 2 Sep, priced at €228 found 5 days ago
United
Mon, 25 Aug - Tue, 2 Sep
BWI
Baltimore
SAN
San Diego
€235 Return, found 5 days ago
€235
Return
found 5 days ago
Select United flight, departing Mon, 25 Aug from Baltimore to San Diego, returning Tue, 2 Sep, priced at €235 found 5 days ago
Delta
Mon, 25 Aug - Tue, 2 Sep
DCA
Washington
SAN
San Diego
€241 Return, found 5 days ago
€241
Return
found 5 days ago
Select Delta flight, departing Mon, 25 Aug from Washington to San Diego, returning Tue, 2 Sep, priced at €241 found 5 days ago

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

August is typically the cheapest month to fly

From €94 - €209 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.