Both Virgin America and United Airlines have round trip airfares travelling to and from San Francisco (SFO) and San Diego (SAN) for $116, nonstop. However on United it is a basic economy fare so go with Virgin America if flight dates/times fit your schedule.
Travel Availability:
wide availability beginning Jan 11 thru May 31 (no Valentines Day) and then June 1-4, 7, 11, 14, 18, 21; July 5 (<—returns available July 10, 11)
Book this on Virgin America , Alaska Airlines or United Airlines . Or choose Priceline or Expedia to see which airline comes up and bundle hotel with airfare.
Sample shown is for July 5-11, 2018 PEAK SUMMER!
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