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

Monday, December 28th, 2026

4 round-trip options

Returning
Mon, Jan 4, 20277 Day Trip
$1,293 USD
Returning
Tue, Jan 5, 20278 Day Trip
$843 USD
Returning
Wed, Jan 6, 20279 Day Trip
$529 USD
Returning
Thu, Jan 7, 202710 Day Trip
$529 USD