San José (SJO) to Seattle / Tacoma (SEA) flight deal in economy from $438

Thursday, December 31st, 2026

3 round-trip options

Returning
Tue, Jan 5, 20275 Day Trip
$1,622 USD
Returning
Mon, Jan 11, 202711 Day Trip
$1,566 USD
Returning
Wed, Jan 13, 202713 Day Trip
$1,007 USD