San José (SJO) to Washington (IAD) flight deal in economy from $342

Thursday, August 13th, 2026

7 round-trip options

Returning
Wed, Aug 19, 20266 Day Trip
$602 USD
Returning
Thu, Aug 20, 20267 Day Trip
$488 USD
Returning
Fri, Aug 21, 20268 Day Trip
$488 USD
Returning
Sun, Aug 23, 202610 Day Trip
$488 USD
Returning
Mon, Aug 24, 202611 Day Trip
$488 USD
Returning
Tue, Aug 25, 202612 Day Trip
$488 USD
Returning
Wed, Aug 26, 202613 Day Trip
$488 USD