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

Tuesday, September 22nd, 2026

5 round-trip options

Returning
Sun, Sep 27, 20265 Day Trip
$416 USD
Returning
Thu, Oct 1, 20269 Day Trip
$347 USD
Returning
Fri, Oct 2, 202610 Day Trip
$347 USD
Returning
Mon, Oct 5, 202613 Day Trip
$347 USD
Returning
Tue, Oct 6, 202614 Day Trip
$307 USD