Washington (IAD) to San José (SJO) flight deal in business from $782

Sunday, September 13th, 2026

8 round-trip options

Returning
Fri, Sep 18, 20265 Day Trip
$836 USD
Returning
Sat, Sep 19, 20266 Day Trip
$1,239 USD
Returning
Mon, Sep 21, 20268 Day Trip
$871 USD
Returning
Tue, Sep 22, 20269 Day Trip
$1,712 USD
Returning
Wed, Sep 23, 202610 Day Trip
$1,712 USD
Returning
Thu, Sep 24, 202611 Day Trip
$1,712 USD
Returning
Fri, Sep 25, 202612 Day Trip
$1,712 USD
Returning
Sun, Sep 27, 202614 Day Trip
$1,900 USD