Cheap Flights from Watsonville to San Diego: SJC→SAN from HK$704

View HK$704 flight on Sat, 16 Aug 2025Opens in a new window

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Find Cheap Flights from Watsonville (SJC) to San Diego (SAN)

Prices were available within the past 7 days and start at HK$704 for one-way flights and HK$1,350 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Sat, 16 Aug - Mon, 18 Aug
SJC
San Jose
SAN
San Diego
HK$1,350 Return, found 1 hour ago
HK$1,350
Return
found 1 hour ago
Select Alaska Airlines flight, departing Sat, 16 Aug from San Jose to San Diego, returning Mon, 18 Aug, priced at HK$1,350 found 1 hour ago
Delta
Sat, 16 Aug - Mon, 18 Aug
SJC
San Jose
SAN
San Diego
HK$1,396 Return, found 1 hour ago
HK$1,396
Return
found 1 hour ago
Select Delta flight, departing Sat, 16 Aug from San Jose to San Diego, returning Mon, 18 Aug, priced at HK$1,396 found 1 hour ago
Delta
Sat, 16 Aug - Mon, 18 Aug
SJC
San Jose
SAN
San Diego
HK$1,438 Return, found 1 hour ago
HK$1,438
Return
found 1 hour ago
Select Delta flight, departing Sat, 16 Aug from San Jose to San Diego, returning Mon, 18 Aug, priced at HK$1,438 found 1 hour ago
American Airlines
Sat, 16 Aug - Mon, 18 Aug
SJC
San Jose
SAN
San Diego
HK$1,468 Return, found 1 hour ago
HK$1,468
Return
found 1 hour ago
Select American Airlines flight, departing Sat, 16 Aug from San Jose to San Diego, returning Mon, 18 Aug, priced at HK$1,468 found 1 hour ago
Delta
Sat, 16 Aug - Mon, 18 Aug
SJC
San Jose
SAN
San Diego
HK$1,556 Return, found 1 hour ago
HK$1,556
Return
found 1 hour ago
Select Delta flight, departing Sat, 16 Aug from San Jose to San Diego, returning Mon, 18 Aug, priced at HK$1,556 found 1 hour ago
United
Sat, 16 Aug - Mon, 18 Aug
SJC
San Jose
SAN
San Diego
HK$3,609 Return, found 1 hour ago
HK$3,609
Return
found 1 hour ago
Select United flight, departing Sat, 16 Aug from San Jose to San Diego, returning Mon, 18 Aug, priced at HK$3,609 found 1 hour ago

Find the cheapest month to fly from San Jose (SJC) to San Diego (SAN)

August is typically the cheapest month to fly

From HK$308 - HK$970 per traveller.

Graph displaying average flight prices per month

*Available to Expedia members.