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

Friday, December 11th, 2026

4 round-trip options

Returning
Fri, Dec 18, 20267 Day Trip
$619 USD
Returning
Sat, Dec 19, 20268 Day Trip
$709 USD
Returning
Sun, Dec 20, 20269 Day Trip
$709 USD
Returning
Mon, Dec 21, 202610 Day Trip
$709 USD