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

Thursday, July 16th, 2026

7 round-trip options

Returning
Wed, Jul 22, 20266 Day Trip
$545 USD
Returning
Thu, Jul 23, 20267 Day Trip
$417 USD
Returning
Fri, Jul 24, 20268 Day Trip
$545 USD
Returning
Sun, Jul 26, 202610 Day Trip
$393 USD
Returning
Mon, Jul 27, 202611 Day Trip
$417 USD
Returning
Tue, Jul 28, 202612 Day Trip
$402 USD
Returning
Wed, Jul 29, 202613 Day Trip
$393 USD