San Francisco (SFO) to Cancún (CUN) flight deal in economy from $345

Tuesday, December 29th, 2026

4 round-trip options

Returning
Tue, Jan 5, 20277 Day Trip
$613 USD
Returning
Wed, Jan 6, 20278 Day Trip
$529 USD
Returning
Thu, Jan 7, 20279 Day Trip
$529 USD
Returning
Fri, Jan 8, 202710 Day Trip
$618 USD