Cheap Flights from Watsonville to San Diego: SJC→SAN from HK$820

View HK$820 flight on Sun, 27 Jul 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$820 for one-way flights and HK$1,954 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, 23 Jul - Sat, 26 Jul
SJC
San Jose
SAN
San Diego
HK$1,954 Return, found 4 days ago
HK$1,954
Return
found 4 days ago
Select American Airlines flight, departing Wed, 23 Jul from San Jose to San Diego, returning Sat, 26 Jul, priced at HK$1,954 found 4 days ago
Alaska Airlines
Wed, 23 Jul - Sat, 26 Jul
SJC
San Jose
SAN
San Diego
HK$2,038 Return, found 4 days ago
HK$2,038
Return
found 4 days ago
Select Alaska Airlines flight, departing Wed, 23 Jul from San Jose to San Diego, returning Sat, 26 Jul, priced at HK$2,038 found 4 days ago
American Airlines
Wed, 23 Jul - Sat, 26 Jul
SJC
San Jose
SAN
San Diego
HK$2,104 Return, found 4 days ago
HK$2,104
Return
found 4 days ago
Select American Airlines flight, departing Wed, 23 Jul from San Jose to San Diego, returning Sat, 26 Jul, priced at HK$2,104 found 4 days ago
American Airlines
Wed, 23 Jul - Sat, 26 Jul
SJC
San Jose
CLD
Carlsbad
HK$3,718 Return, found 4 days ago
HK$3,718
Return
found 4 days ago
Select American Airlines flight, departing Wed, 23 Jul from San Jose to Carlsbad, returning Sat, 26 Jul, priced at HK$3,718 found 4 days ago
American Airlines
Wed, 23 Jul - Mon, 28 Jul
SJC
San Jose
CLD
Carlsbad
HK$4,342 Return, found 5 days ago
HK$4,342
Return
found 5 days ago
Select American Airlines flight, departing Wed, 23 Jul from San Jose to Carlsbad, returning Mon, 28 Jul, priced at HK$4,342 found 5 days ago
American Airlines
Wed, 23 Jul - Mon, 28 Jul
SJC
San Jose
CLD
Carlsbad
HK$4,653 Return, found 6 days ago
HK$4,653
Return
found 6 days ago
Select American Airlines flight, departing Wed, 23 Jul from San Jose to Carlsbad, returning Mon, 28 Jul, priced at HK$4,653 found 6 days 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.