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

Wednesday, December 16th, 2026

4 round-trip options

Returning
Wed, Dec 23, 20267 Day Trip
$853 USD
Returning
Thu, Dec 24, 20268 Day Trip
$843 USD
Returning
Fri, Dec 25, 20269 Day Trip
$853 USD
Returning
Sat, Dec 26, 202610 Day Trip
$1,027 USD