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

Wednesday, December 23rd, 2026

4 round-trip options

Returning
Wed, Dec 30, 20267 Day Trip
$1,018 USD
Returning
Thu, Dec 31, 20268 Day Trip
$961 USD
Returning
Fri, Jan 1, 20279 Day Trip
$1,214 USD
Returning
Sat, Jan 2, 202710 Day Trip
$1,686 USD