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

Sunday, December 13th, 2026

4 round-trip options

Returning
Sun, Dec 20, 20267 Day Trip
$739 USD
Returning
Mon, Dec 21, 20268 Day Trip
$739 USD
Returning
Tue, Dec 22, 20269 Day Trip
$619 USD
Returning
Wed, Dec 23, 202610 Day Trip
$619 USD