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

Thursday, December 10th, 2026

4 round-trip options

Returning
Thu, Dec 17, 20267 Day Trip
$513 USD
Returning
Fri, Dec 18, 20268 Day Trip
$523 USD
Returning
Sat, Dec 19, 20269 Day Trip
$613 USD
Returning
Sun, Dec 20, 202610 Day Trip
$613 USD