Washington (IAD) to San Diego (SAN) flight deal in economy from $307

Thursday, September 10th, 2026

5 round-trip options

Returning
Tue, Sep 15, 20265 Day Trip
$347 USD
Returning
Sat, Sep 19, 20269 Day Trip
$347 USD
Returning
Sun, Sep 20, 202610 Day Trip
$507 USD
Returning
Wed, Sep 23, 202613 Day Trip
$347 USD
Returning
Thu, Sep 24, 202614 Day Trip
$387 USD