San José (SJO) to Washington (DCA) flight deal in economy from $354

Thursday, December 10th, 2026

5 round-trip options

Returning
Wed, Dec 16, 20266 Day Trip
$452 USD
Returning
Fri, Dec 18, 20268 Day Trip
$965 USD
Returning
Mon, Dec 21, 202611 Day Trip
$553 USD
Returning
Tue, Dec 22, 202612 Day Trip
$610 USD
Returning
Wed, Dec 23, 202613 Day Trip
$503 USD