Fly from San Francisco to San Juan, PR for $349 round-trip, including all taxes, on Delta Air Lines.
Searching Delta.com, we found seats departing SFO on Thursday, February 5, returning from SJU on the following Thursday, February 12. Flights connect via New York JFK.
Seats are a tad scarce for travel in fall months, with more availability from January through June.
For booking info, see our Fare Details.
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