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

Sunday, October 4th, 2026

5 round-trip options

Returning
Fri, Oct 9, 20265 Day Trip
$417 USD
Returning
Tue, Oct 13, 20269 Day Trip
$356 USD
Returning
Wed, Oct 14, 202610 Day Trip
$347 USD
Returning
Sat, Oct 17, 202613 Day Trip
$347 USD
Returning
Sun, Oct 18, 202614 Day Trip
$387 USD