Seattle / Tacoma (SEA) to San Juan (SJU) flight deal in economy from $320

American AirlinesAAAmerican Airlines
Round Trip•Economy
United StatesSEA

Seattle–Tacoma International Airport

Seattle / Tacoma, United States
Puerto RicoSJU

Luis Muñoz Marín International Airport

San Juan, Puerto Rico
$509 USD
-37%$320 USD
Verified about 6 hours ago
Fair Availability
32% of dates checked are available within 10% of the lowest price

Saturday, December 19th, 2026

10 round-trip options

Returning
Thu, Dec 24, 2026•5 Day Trip
$981 USD
Google Flights
Returning
Fri, Dec 25, 2026•6 Day Trip
$981 USD
Google Flights
Returning
Sat, Dec 26, 2026•7 Day Trip
$1,115 USD
Google Flights
Returning
Sun, Dec 27, 2026•8 Day Trip
$1,282 USD
Google Flights
Returning
Mon, Dec 28, 2026•9 Day Trip
$1,209 USD
Google Flights
Returning
Tue, Dec 29, 2026•10 Day Trip
$1,232 USD
Google Flights
Returning
Wed, Dec 30, 2026•11 Day Trip
$1,232 USD
Google Flights
Returning
Thu, Dec 31, 2026•12 Day Trip
$1,218 USD
Google Flights
Returning
Fri, Jan 1, 2027•13 Day Trip
$1,309 USD
Google Flights
Returning
Sat, Jan 2, 2027•14 Day Trip
$1,686 USD
Google Flights