San Jose (SJC) to San Juan (SJU) flight deal in economy from $386

Delta Air LinesDLDelta Air Lines
Round Trip•Economy
United StatesSJC

Norman Y. Mineta San Jose International Airport

San Jose, United States
Puerto RicoSJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico
$745 USD
-48%$386 USD
Verified 14 days ago
Fair Availability
21% of dates checked are available within 10% of the lowest price

Monday, September 28th, 2026

6 round-trip options

Returning
Sun, Oct 4, 2026•6 Day Trip
$489 USD
Google Flights
Returning
Tue, Oct 6, 2026•8 Day Trip
$386 USD
Google Flights
Returning
Wed, Oct 7, 2026•9 Day Trip
$386 USD
Google Flights
Returning
Thu, Oct 8, 2026•10 Day Trip
$433 USD
Google Flights
Returning
Sat, Oct 10, 2026•12 Day Trip
$386 USD
Google Flights
Returning
Mon, Oct 12, 2026•14 Day Trip
$661 USD
Google Flights