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

Sunday, September 27th, 2026

5 round-trip options

Returning
Fri, Oct 2, 20265 Day Trip
$427 USD
Returning
Tue, Oct 6, 20269 Day Trip
$347 USD
Returning
Wed, Oct 7, 202610 Day Trip
$347 USD
Returning
Sat, Oct 10, 202613 Day Trip
$347 USD
Returning
Sun, Oct 11, 202614 Day Trip
$454 USD